Best AM5 Motherboards for Ryzen 9000: 2026 Mega Guide

By AiCybr Editorial · Published August 11, 2026

Choosing an AM5 motherboard in 2026 is not a matter of buying the highest chipset or the board with the largest VRM. The real question is what remains usable at the same time after you install a flagship GPU, several NVMe drives, USB4 devices, a fast NIC, capture card or second accelerator.

For a Ryzen 9 9950X/9950X3D-class PC with one high-end GPU, three to four NVMe drives, USB4, fast Ethernet and normal future expansion, the MSI MAG X870 Tomahawk WiFi is the best overall AM5 motherboard at its current $229.99 U.S. price. It preserves the primary GPU at PCIe 5.0 x16 with all four onboard M.2 drives populated, provides dual USB4, 5GbE, Wi-Fi 7, ALC4080 audio, four SATA ports and numeric diagnostics, and avoids expensive features most buyers will never use.

The Gigabyte X870 AORUS Elite X3D is the best premium X870 step-up around $259.99. The MSI MAG X870E Tomahawk WiFi is the strongest conventional X870E board around $289.99. The ASRock X870E Nova WiFi is the raw storage/value standout at $229.99, with five onboard M.2 drives while the primary GPU remains x16. At the budget end, MSI B850 Gaming Plus MAX WiFi around $160 and ASRock B850 Pro RS WiFi at $139.99 show that a Ryzen 9 does not require an X-series chipset.

Workstations are different. ASRock X870E Taichi Lite is one of the lowest-cost current boards with true CPU x8/x8 plus rear USB4. Gigabyte B850 AI TOP offers x8/x8 and dual 10GbE. ASUS ProArt B850-Creator WiFi Neo provides x8/x8 and dual 5GbE. ASUS Pro WS B850M-ACE SE adds BMC/IPMI, 10GbE, MCIO and U.2 in microATX. At the premium end, Gigabyte X870E AORUS Master X3D Ice, MSI X870E Carbon MAX, ASUS Crosshair X870E Dark Hero and MSI X870E ACE MAX target multi-card and high-I/O systems.

Price snapshot: August 11, 2026, U.S. new retail before tax. Prices can change daily. The lane-sharing and simultaneous-use tables are the durable part of this guide; treat prices as dated buying triggers.

If your first question is which chipset tier to buy rather than which exact board, start with X870E vs X870 vs B850 vs X670E. If you already know the chipset, jump to the detailed X870E, X870, B850 or discounted X670E guide.

Top 20 AM5 motherboards for a high-end one-GPU build

This ranking assumes Ryzen 9000/7000, one flagship GPU, three to four SSDs in the typical build, USB4 desirable, fast networking useful, and no immediate requirement for a second CPU-connected x8 accelerator.

Good boards just outside the top 20

• Gigabyte X870 Eagle WiFi7: clean three-drive layout and dual USB4, but basic networking/audio and warmer broad-test VRM behavior keep it below stronger similarly priced options.
• ASUS Prime X870-P WiFi: can run four onboard M.2 while preserving the primary GPU, but maximum storage consumes valuable secondary PCIe/SATA resources.
• ASRock X870 Pro RS WiFi: technically competent, usually squeezed by Steel Legend, LiveMixer or Nova sale pricing.
• MSI X870 Gaming Plus WiFi: sensible, but its position depends on how close it is to PRO X870-P and Tomahawk.
• Gigabyte B850 AORUS Elite WiFi7: competent but usually too close to X870 pricing.
• ASUS TUF B850-Plus WiFi: good board, weak cross-chipset value around the low-$200s unless discounted.

Price triggers that can change the order

The exact ranking is price-sensitive. Use these thresholds rather than treating one day’s order as permanent.

Best AM5 motherboard by use case

X870E vs X870 vs B850 vs X670E

AMD’s current AM5 platform table provides the high-level resource differences:

B850 board-specific exception

Do not use the generic B850 table to overwrite exact motherboard wiring. Several current B850 boards explicitly specify Ryzen 9000/7000 graphics at CPU PCIe 5.0 x16. The exact board specification/manual takes precedence for a buying decision.

What X870E actually buys

X870E’s larger chipset-side resource budget can translate into more simultaneous M.2, high-speed USB, SATA or secondary PCIe without forcing additional sharing. It does not guarantee that every X870E board has a better lane map than every X870 board.

What B850 gives up

Mostly onboard USB4 and platform I/O headroom, not Ryzen CPU capability. A good B850 can be computationally just as fast as X870E with the same CPU and settings.

Why X670E still matters

X670E remains rich in resources but is now an old-stock/clearance decision. Buy it because a specific board provides x8/x8, USB4, 10GbE, SATA or creator I/O at the right price.

For the full chipset-first explanation, see X870E vs X870 vs B850 vs X670E.

Mega lane-sharing table

NVMe @ GPU x16 counts onboard M.2 SSDs that can coexist while one Ryzen 9000/7000 discrete GPU remains at full x16 electrical width.

For a dedicated X870E lane-sharing explainer using representative boards, see X870E lane sharing explained.

Intentional x8/x8 vs accidental GPU-lane loss

These are fundamentally different.

Intentional workstation split

A board such as X870E Taichi Lite, B850 AI TOP, ProArt B850-Creator Neo, Carbon MAX or AORUS Master X3D runs the primary CPU lane group at x16 with one card and x8/x8 when a second CPU-connected card is intentionally installed. You receive useful second-card bandwidth in return.

Accidental storage penalty

On some mainstream boards, installing an SSD in a particular M.2 socket reduces the primary GPU to x8 even though there is no second x8 card. For a one-GPU workstation, this is generally the less attractive trade.

PCIe physical size, electrical width and bifurcation

A full-length physical x16 connector does not prove x16 electrical operation. It can be wired x1, x2, x4 or x8.

Likewise, BIOS bifurcation support is not the same as having two motherboard slots wired x8/x8. A CPU can support splitting x16 into x8/x8 or smaller groups, but the motherboard must physically route those lanes to useful connectors or a supported riser.

If you need two accelerators, verify the exact slot table says the relevant CPU-connected slots operate x16 single / x8+x8 dual.

Is PCIe 5.0 x8 bad for a GPU?

PCIe 5.0 x8 has the same theoretical raw link bandwidth as PCIe 4.0 x16. Real performance impact depends on the exact GPU and workload, so there is no honest universal percentage loss.

This guide still rewards boards that preserve x16 because there is little reason to surrender lanes merely to add an SSD when a similarly priced board avoids the trade.

Two RAM sticks vs four: the AM5 memory guide

This is one of the most misunderstood AM5 topics.

Ryzen 9 9950X and 9950X3D have two memory channels.

• Two DIMMs normally means one DIMM per channel (1DPC).
• Four DIMMs means two DIMMs per channel (2DPC).
• Four DIMMs remain dual-channel.
• 1R and 2R mean memory rank, not channel count.

AMD officially specifies both CPUs at:

The statement “four sticks run at half speed” is therefore inaccurate. The official supported rate falls from 5600 to 3600 MT/s, roughly 36%, because two DIMMs per channel create greater electrical loading.

Why can four sticks run faster than DDR5-3600?

DDR5-3600 is AMD’s supported baseline, not a physical ceiling. Board vendors validate higher rates as memory overclocking.

Actual four-DIMM stability depends on:

• the CPU’s integrated memory controller;
• DIMM count and rank;
• DIMM density/capacity;
• memory ICs;
• board trace layout;
• BIOS/AGESA;
• voltages/timings;
• whether all modules were sold and validated as one kit.

Current MSI regional pages even disagree on the hardest 2DPC/2R overclocking ceiling for some Tomahawk-class boards. That is a good reminder that marketing OC maxima are not universal guarantees.

Is DDR5-6000 the sweet spot?

DDR5-6000 is a widely used Ryzen 9000 performance target and appears in AMD/vendor performance guidance, but it is still memory overclocking relative to AMD’s official DDR5-5600 two-DIMM specification. EXPO is an overclocking profile.

Recommended capacity configurations

For most 9950X systems, 2×32GB or 2×48GB is the cleanest choice.

Can you add another identical memory kit later?

You can try, but retaining the original EXPO speed is not guaranteed. Two kits with the same retail SKU were not necessarily binned as one four-DIMM set, and adding the second pair changes the memory topology from 1DPC to 2DPC.

If final capacity is known, buy one matched kit at the final capacity whenever practical.

Does one DDR5 DIMM count as dual-channel?

No. DDR5 DIMMs have internal subchannels, but a single DIMM does not populate both independent Ryzen desktop memory channels in the normal dual-channel sense. For two DIMMs, use the manual’s recommended pair, normally A2/B2.

How important is QVL?

QVL means tested, not “everything else is incompatible.”

It becomes more valuable for:

• four DIMMs;
• 96GB+ capacity;
• 64GB UDIMMs;
• aggressive EXPO speeds;
• unusual rank combinations;
• CUDIMMs;
• workstations where memory errors are unacceptable.

Why AM5 can take a long time to boot

DDR5 platforms perform memory training. The firmware calibrates timings, voltages and signal parameters for the installed modules.

A long first POST can be normal after:

• first assembly;
• BIOS update;
• RAM replacement;
• adding another pair of DIMMs;
• clearing CMOS.

High-capacity/four-DIMM configurations may take longer. After memory stability is confirmed, Memory Context Restore can shorten later boots by reusing trained parameters.

Do not interrupt a normal first training cycle merely because the DRAM LED remains on for longer than expected. If the system never completes POST at defaults, then troubleshoot the DIMMs, slots, socket and BIOS.

Storage planning: which M.2 slot should you use?

A practical order is:

1. Put the primary OS/work SSD in the first CPU-connected Gen5 x4 M.2.
2. Use additional sockets that do not reduce GPU width before using a graphics-sharing M.2.
3. If a second CPU M.2 shares with USB4, decide which resource your workload needs more.
4. Preserve a secondary x4 expansion slot if you expect a future 10GbE NIC, HBA, capture card or accelerator.
5. Check whether an M.2 disables SATA before planning mixed NVMe/SATA storage.

The fastest advertised socket is not always the best place for the next SSD if it costs a more valuable resource.

USB4 vs USB-C vs headers

Type-C describes the connector, not the protocol.

A Type-C port can carry USB 5/10/20/40Gbps, DisplayPort and different charging modes depending on implementation. A Thunderbolt/USB4 header can require an add-in card and additional PCIe/DisplayPort routing; it is not equivalent to two onboard rear USB4 ports.

X870/X870E standardize USB4. B850/X670E make it optional.

A good warning example is Gigabyte B850 AI TOP: its CPU-specific specification allows a higher-speed Type-C path with Ryzen 8000, but with Ryzen 9000/7000 the relevant rear Type-C path is specified at up to 10Gbps. For a 9950X build, do not treat it as a native USB4 substitute.

2.5GbE vs 5GbE vs 10GbE

Actual application throughput is lower due to protocol and storage overhead.

A 5GbE motherboard connected to a 1GbE switch will run at the slower link. 10GbE can still be extremely useful locally even if your internet is much slower.

Dual Ethernet ports do not automatically combine into one double-speed connection. They can serve separate networks, virtualization, failover or link aggregation where supported.

VRMs: how much is enough for a 9950X?

A Ryzen 9 needs competent sustained power delivery, not the largest phase count available.

Broad testing shows many mainstream X870/X870E and B850 boards can sustain a 9950X-class workload. Once a board stays within safe temperatures and does not impose a power limit, more phases do not inherently improve gaming FPS or compile time.

Use exact-board VRM testing to answer:

1. Does the board sustain the CPU?
2. Does it avoid thermal throttling?
3. Is the result from the exact board/revision?

Do not numerically rank temperatures from different reviewers as if they came from the same setup.

BIOS size, Flashback and diagnostics

32MB vs 64MB BIOS

64MB provides more firmware-storage headroom for microcode, UI and features. It does not make the CPU, GPU or memory faster.

Use BIOS capacity as a tie-breaker, not a primary reason to spend another $100.

BIOS Flashback matters more than cosmetic features

Flashback can update/recover firmware without a normally booting system. It is especially valuable for older X670E stock paired with a newer Ryzen 9000 CPU.

Numeric POST code vs four LEDs

Numeric displays such as MSI EZ Digit Debug, ASRock Dr. Debug, ASUS Q-Code and Gigabyte Smart 80 Port provide much more granular fault information than four CPU/DRAM/VGA/BOOT LEDs.

For a complex workstation with many devices, numeric diagnostics are a legitimate quality-of-life feature.

ECC on AM5: not a simple checkbox

Ryzen 9 9950X/9950X3D support ECC when the motherboard supports it.

Evidence has levels:

1. Manufacturer “ECC/non-ECC unbuffered” wording = compatibility-level evidence.
2. BIOS notes specifically mentioning ECC-UDIMM = stronger firmware evidence.
3. Independent use with ECC = evidence for that exact configuration.
4. OS-visible correction/reporting = strongest evidence.

Several mainstream MSI boards explicitly specify non-ECC. Do not assume the CPU’s ECC capability overrides the motherboard specification.

ASRock’s 2026 AM5 issue history

ASRock has several of the best lane layouts and prices in this ranking. It also has a reliability context buyers should know.

In February 2026, ASRock publicly said it was monitoring Ryzen 9000 behavior/performance reports on its AMD platforms, performing internal verification with AMD and optimizing BIOS/system stability. It subsequently published BIOS work described as improving stability and addressing no-boot scenarios.

Independent broad testing did not reproduce every reported failure, and there is no trustworthy population-wide failure percentage.

The balanced buying rule is:

• do not blanket-ban ASRock;
• use a current stable BIOS;
• prefer a retailer with a strong return/warranty route;
• buy ASRock when its topology/value materially wins, not because one spec is marginally larger.

That is why Nova and Taichi Lite remain recommended without automatically replacing MSI/Gigabyte defaults.

B850 workstation boards prove chipset tier is not use case

Gigabyte B850 AI TOP

Around the mid-$300s, it offers:

• two CPU PCIe 5.0 full-length slots operating x16 or x8/x8;
• two CPU Gen5 M.2 + one chipset Gen4 M.2;
• four SATA;
• dual 10GbE;
• Wi-Fi 7;
• ALC1220.

It lacks the normal Ryzen-9000 rear USB4 experience of X870/X870E, but it is exceptional for dual accelerators plus fast networking.

ASUS ProArt B850-Creator WiFi Neo

At $299.99 it combines:

• CPU x16 or x8/x8;
• two Gen5 M.2 + one Gen4 M.2;
• four SATA;
• dual 5GbE;
• Wi-Fi 7;
• ALC1220P;
• 64MB BIOS.

It has a related header path but no normal native rear USB4 pair.

ASUS Pro WS B850M-ACE SE

Around $380 it provides a compact managed workstation/server platform:

• CPU Gen5 x16;
• two Gen5 M.2;
• Gen5 MCIO;
• U.2;
• 10GbE + 2.5GbE user networking;
• dedicated management LAN;
• AST2600 BMC/IPMI;
• Windows Server support.

This is a server/workstation product, not a gaming-value board.

Discounted X670E: the price ceilings that make sense

Read the full discounted X670E guide before buying old stock.

Five practical build recipes

1. Ryzen 9 + flagship GPU + four NVMe + USB4

Buy MSI X870 Tomahawk.

It keeps all four onboard drives with GPU x16, provides dual USB4 and 5GbE, and costs far less than halo X870E boards.

2. One GPU + five onboard SSDs

Best value: ASRock X870E Nova.
X870 alternative: ASRock X870 Nova.

Both are better fits than boards advertising multiple CPU Gen5 M.2 sockets that borrow graphics lanes.

3. Two GPUs / two accelerators

Strong options include:

• ASRock X870E Taichi Lite for affordable x8/x8 + USB4;
• Gigabyte B850 AI TOP for x8/x8 + dual 10GbE;
• Gigabyte X870E AORUS Master X3D for premium x8/x8 + 10G/5G;
• MSI X870E Carbon MAX / ACE MAX;
• ASUS Crosshair X870E Dark Hero.

Verify physical slot spacing. Electrical x8/x8 is useless if two 3.5-slot GPUs cannot physically fit or receive airflow.

4. Compact managed workstation/server

ASUS Pro WS B850M-ACE SE if BMC/IPMI, 10GbE and MCIO/U.2 are actual requirements.

For a normal desktop, its price is difficult to justify.

5. Creator workstation with 10GbE + USB4

Discounted ProArt X670E-Creator ≤$300 remains unusually strong.

For a current premium platform, evaluate X870E Master X3D/Dark Hero-class boards if the budget is much higher.

Frequently asked AM5 motherboard questions

1. Do I need X870/X870E for a 9950X?

No. A good B850 can run the CPU perfectly well. Buy X870/X870E for I/O, USB4, expansion and board features.

2. Does X870E make the CPU faster?

Not inherently. Once the board sustains the CPU properly, chipset tier does not add cores or clocks.

3. Why is X870 Tomahawk ranked above many X870E boards?

Because for a one-GPU/four-SSD system it already supplies the resources most buyers use at ~$230. Paying for unused chipset lanes does not improve the workload.

4. Which M.2 should I use first?

Usually the first CPU-connected Gen5 x4 socket. Then prioritize sockets that do not reduce GPU width.

5. Will adding an SSD reduce my GPU to x8?

Board-specific. That is why this guide tracks NVMe @ GPU x16 instead of raw socket count.

6. Is PCIe 5.0 x8 a disaster?

No. It has the same theoretical bandwidth as PCIe 4.0 x16. Exact GPU/workload impact varies.

7. Is every full-length PCIe slot x16 electrically?

No. Always read the exact slot table.

8. Does bifurcation mean two onboard GPUs can run x8/x8?

Only if the board physically routes those lanes to suitable slots. Firmware capability alone is not enough.

9. Why can more Gen5 M.2 sockets be worse?

Because extra CPU M.2 sockets may borrow graphics lanes or disable expansion. Simultaneous usability matters more than Gen5 count.

10. Do four RAM sticks run at half speed?

No. AMD specifies DDR5-5600 with two DIMMs and DDR5-3600 with four on 9950X/9950X3D. Four DIMMs remain dual-channel.

11. Should I use two or four RAM sticks?

Use two whenever you can reach the required capacity with two modules. It is easier on the memory controller and usually supports higher stable clocks.

12. Is 2×48GB preferable to 4×24GB for 96GB?

Usually yes, because 2×48GB keeps one DIMM per channel.

13. Is 2×64GB preferable to 4×32GB for 128GB?

When the exact board/BIOS/QVL validates the 64GB modules, two DIMMs are generally easier to stabilize.

14. Can I add another identical RAM kit later?

Possibly, but the original EXPO speed is not guaranteed. One matched final-capacity kit is preferable.

15. Does RAM need to be on QVL?

No, but QVL becomes more useful with four DIMMs, very high capacity and aggressive EXPO speeds.

16. Is DDR5-6000 guaranteed?

No. It is a common AM5 performance target but is memory overclocking relative to AMD’s official DDR5-5600 two-DIMM support.

17. Why does AM5 sit on the DRAM LED for a long time?

It may be training memory, particularly after BIOS/RAM changes or with high-capacity/four-DIMM configurations.

18. What is Memory Context Restore?

A firmware feature that reuses trained memory parameters on later boots to reduce retraining time. Use it after confirming memory stability.

19. Does 5GbE help with a 1GbE router?

Not across that 1GbE path. The slowest link sets the negotiated speed.

20. Do I need 10GbE?

Usually not for ordinary internet use. It can be extremely valuable for fast NAS, VM storage, creator files and AI datasets.

21. Does dual 10GbE equal one 20Gbps connection?

No. Separate interfaces can serve different networks, VMs, failover or aggregation where supported.

22. Do I need 20+ VRM phases?

No. You need a board proven to sustain the CPU without thermal or power limiting.

23. Is 64MB BIOS a major performance feature?

No. It is useful firmware-storage headroom.

24. Does ECC support guarantee correction/reporting in Windows or Linux?

Not automatically. Compatibility wording is only one layer of evidence.

25. Is USB-C the same as USB4?

No. Type-C is the connector; protocol and speed depend on implementation.

26. Is a USB4/Thunderbolt header the same as rear USB4?

No. A header can require an add-in card and additional resources.

27. Is X670E obsolete?

No. It remains technically strong, but its value depends on clearance price and exact specialist features.

28. Why can the same motherboard behave differently with Ryzen 8000?

Ryzen 8000 APUs expose different/fewer PCIe resources. Read the CPU-specific table in the exact manual.

29. Should I prioritize SATA or M.2?

Match your storage plan. HDD arrays benefit from SATA; high-performance local storage usually benefits from M.2.

30. Which diagnostic features matter most?

For a complex build: BIOS Flashback, numeric POST code, Clear CMOS, then basic status LEDs and easy-release mechanisms.

What “future-proof” should mean

Future-proofing is not buying the most expensive chipset.

Useful future-proofing means buying resources you can plausibly use:

• enough RAM capacity without filling four DIMMs unnecessarily;
• a clean lane map for future SSDs/cards;
• 5/10GbE if a faster NAS/network is realistic;
• USB4 if you use high-speed external devices/docks;
• x8/x8 only if a second accelerator/card is plausible;
• active firmware support and BIOS Flashback;
• enough M.2/SATA for the storage plan;
• physical slot spacing for modern thick GPUs.

A $700 motherboard is not more future-proof if its specialist resources remain unused.

Final pre-purchase checklist

Before ordering an AM5 motherboard, answer these:

1. Which CPU family: Ryzen 9000/7000 or Ryzen 8000?
2. How many NVMe drives now and in three years?
3. Which exact M.2 sockets preserve GPU x16?
4. Which M.2 sockets disable SATA or secondary PCIe?
5. Do you need a second CPU-connected x8 slot?
6. Can two physically large cards fit and breathe?
7. Do you need actual rear USB4 or only Type-C/20Gbps?
8. Do you need 2.5GbE, 5GbE or 10GbE—and can the network use it?
9. How many SATA devices will you actually install?
10. Can your RAM target be reached with two DIMMs?
11. If using four DIMMs, is the exact kit/configuration validated?
12. Does the exact board support your total RAM capacity?
13. Is BIOS Flashback available?
14. Do you want a numeric POST display?
15. Is firmware actively updated for your CPU generation?
16. Are you comparing the exact suffix/revision: original vs MAX vs Neo vs X3D vs Ice?
17. Is the quoted price new retail, open-box, refurbished or marketplace?
18. Are you paying for a giant VRM/RGB instead of I/O you will use?

Final verdict

For most high-end Ryzen 9000 builds, MSI MAG X870 Tomahawk WiFi is the motherboard to beat around $230. It wins because its compromises are sensible, not because it has the most expensive chipset.

Move to Gigabyte X870 AORUS Elite X3D for a more premium 64MB/Smart-80 implementation. Move to MSI X870E Tomahawk when you specifically need X870E’s extra simultaneous resources. Choose ASRock X870E Nova or X870 Nova when storage density is the priority and you accept the extra current-BIOS/warranty caution. Choose Taichi Lite, B850 AI TOP, ProArt B850-Creator Neo, Master X3D, Carbon MAX, Dark Hero or ACE MAX only when their x8/x8, 10GbE or workstation resources match an actual requirement.

At the value end, a well-designed B850 is not a CPU-performance compromise. At the old-stock end, X670E remains viable only when its clearance price or specialist I/O beats newer alternatives.

And for memory, the simplest rule remains the most useful: buy two matched DIMMs at the capacity you actually need whenever possible. Four DIMMs are valid and sometimes necessary, but the Ryzen memory controller—not the chipset badge—sets the real difficulty.

Related AM5 motherboard guides

• X870E vs X870 vs B850 vs X670E: which chipset should you buy?
• Best X870E motherboards for Ryzen 9000
• Best X870 motherboards for Ryzen 9000
• Best B850 motherboards for Ryzen 9000
• Best X670E motherboards to buy on sale
• X870E lane sharing explained

Sources

AMD platform and memory

• AMD AM5 chipset specifications: https://www.amd.com/en/products/processors/chipsets/am5.html
• AMD Ryzen 9 9950X: https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9950x.html
• AMD Ryzen 9 9950X3D: https://www.amd.com/en/products/processors/desktops/ryzen/9000-series/amd-ryzen-9-9950x3d.html
• AMD EXPO: https://www.amd.com/en/products/processors/technologies/expo.html

Key current board specifications

• MSI X870 Tomahawk: https://www.msi.com/Motherboard/MAG-X870-TOMAHAWK-WIFI/Specification
• MSI X870E Tomahawk: https://www.msi.com/Motherboard/MAG-X870E-TOMAHAWK-WIFI/Specification
• MSI X870E Gaming Plus MAX: https://www.msi.com/Motherboard/MAG-X870E-GAMING-PLUS-MAX-WIFI/Specification
• Gigabyte X870 AORUS Elite X3D: https://www.gigabyte.com/us/Motherboard/X870-AORUS-ELITE-X3D/sp
• Gigabyte X870E AORUS Master X3D Ice: https://www.gigabyte.com/Motherboard/X870E-AORUS-MASTER-X3D-ICE/sp
• ASRock X870 Nova: https://www.asrock.com/MB/AMD/X870%20Nova%20WiFi/
• ASRock X870E Nova: https://www.asrock.com/MB/AMD/X870E%20Nova%20WiFi/
• ASRock X870E Taichi Lite: https://www.asrock.com/MB/AMD/X870E%20Taichi%20Lite/
• Gigabyte B850 AI TOP: https://www.gigabyte.com/Motherboard/B850-AI-TOP
• ASUS ProArt B850-Creator WiFi Neo: https://www.asus.com/us/motherboards-components/motherboards/proart/proart-b850-creator-wifi-neo/
• ASUS Pro WS B850M-ACE SE: https://www.asus.com/us/motherboards-components/motherboards/workstation/pro-ws-b850m-ace-se/techspec/
• ASUS ProArt X670E-Creator: https://www.asus.com/us/motherboards-components/motherboards/proart/proart-x670e-creator-wifi/techspec/
• MSI X670E Carbon: https://www.msi.com/Motherboard/MPG-X670E-CARBON-WIFI/Specification
• ASRock X670E Taichi: https://www.asrock.com/MB/AMD/X670E%20Taichi/

Independent broad testing

• TechSpot 53-board X870/X870E comparison: https://www.techspot.com/review/3143-amd-x870-motherboards-full/
• TechSpot X870/X870E launch comparison: https://www.techspot.com/review/2907-amd-x870-motherboards/
• TechSpot 47-board B850 comparison: https://www.techspot.com/review/3050-amd-b850-motherboards-full/
• TechSpot B850 under-$200 comparison: https://www.techspot.com/review/3027-amd-b850-motherboards/
• TechSpot X670/X670E comparison: https://www.techspot.com/bestof/amd-x670-motherboards/

Memory training/tuning

• ASUS ROG AM5 memory-training guide: https://rog-forum.asus.com/t5/amd-800-series/understanding-memory-training-on-amd-am5-motherboards-q-code-15/td-p/1099400
• MSI Ryzen 9000 DDR5 tuning guidance: https://www.msi.com/blog/how-to-boost-amd-ryzen-9000-series-gaming-performance-amd-opp-msi-memory-try-It-and-high-efficiency-mode

Prices are a dated snapshot. Verify current stock, seller and exact model revision before purchase.