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Gigabyte B550M AORUS Elite Motherboard, B550 Chipset, AMD AM4, mATX, DDR4
GIGABYTE

Gigabyte B550M AORUS Elite Motherboard, B550 Chipset, AMD AM4, mATX, DDR4

Bottom line: The Gigabyte B550M AORUS Elite Motherboard ($136.06 on Amazon as of 2026-10-20 18:15 UTC): PCIe 4.0 x4 M.2 slot hits 64Gb/s for NVMe; main trade-off: mATX layout limits expansion vs full ATX B550 boards.

$136.06

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Buy on Amazon — $136.06 Compare to similar retro motherboards

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ PCIe 4.0 x4 M.2 slot hits 64Gb/s for NVMe
  • ✓ Dual M.2 connectors with SATA and RAID support
  • ✓ 4 DIMM slots, up to 128GB DDR4 (32GB per stick)
  • ✓ 5+3 phase digital PWM feeds 105W TDP Ryzen chips

Cons

  • ✗ mATX layout limits expansion vs full ATX B550 boards
  • ✗ AM4 socket only — no upgrade path to AM5 Ryzen
  • ✗ DDR4 4000+ speeds are OC profiles, not guaranteed
  • ✗ Second M.2 is PCIe 3.0 x2, roughly quarter-speed

Manufacturer description

The Gigabyte B550M AORUS Elite is a micro-ATX AM4 board built around AMD's B550 chipset, and it hits the sweet spot for a Ryzen build that needs PCIe 4.0 without a flagship price. Gigabyte specs a 5+3 phase digital PWM with Low RDS(on) MOSFETs, which is what lets this mATX board feed 3rd Gen Ryzen processors up to 105W TDP steadily rather than throttling under sustained load. Storage is the standout: two M.2 connectors, one running PCIe 4.0 x4 at up to 64Gb/s and a second at PCIe 3.0 x2, with SATA and RAID support alongside. Four DIMM slots take up to 128GB of DDR4 (32GB per stick), with…

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SpecPicks Verdict

SpecPicks scored Gigabyte B550M AORUS Elite Motherboard using a rating × review-volume × price-fit model applied to published specs and reviews across the retro motherboards category. GIGABYTE's retro motherboards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for retro motherboards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Does this motherboard support PCIe 4.0?

Yes. The B550M AORUS Elite includes a PCIe 4.0/3.0 x4 M.2 connector rated for data transfer up to 64Gb/s, plus a second PCIe 3.0 x2 M.2 connector for a total of two M.2 devices.

How much RAM can I install?

It has 4 DDR4 DIMM sockets supporting up to 128GB total, with a 32GB maximum per single DIMM. Overclocked speeds up to DDR4-4000 are listed for 3rd Gen Ryzen, and higher OC profiles for Ryzen processors with Radeon graphics.

Which CPUs work with this board?

It uses AMD Socket AM4 and Gigabyte lists support for 3rd Gen AMD Ryzen and 3rd Gen Ryzen with Radeon graphics, up to 105W TDP. Check Gigabyte's CPU Support List for your exact model and any required BIOS version.

Will it fit a small form factor case?

It is a micro-ATX board, so it fits mATX and larger cases. Confirm your case lists mATX support and check clearance for your cooler and GPU before buying.

Is it good for liquid cooling?

Smart Fan 5 supports hybrid fan headers in both PWM and voltage modes and lets you tie individual headers to different onboard thermal sensors, which makes pump and radiator fan curves easier to tune for an AIO or custom loop.

Key Features

  • GIGABYTE B550 motherboards maximize your PC's potential with AMD StoreMI technology. StireMI accelerates traditional storage devices to reduce startup times and improve the overall user experience.
  • GIGABYTE AORUS series motherboards use a pure 5+3 phase digital PWM design + Low RDS(on) MOSFETs to support 3rd generation AMD Ryzen CPUs, delivering incredible precision in delivering power to the most demanding, power-sensitive motherboard components, while providing enhanced system performance and final hardware scalability.
  • With built-in PCIe 4.0*/3.0 x4 and PCIe 3.0 x2 M.2 NVMe connectors, GIGABYTE motherboards take users to experience NVMe or SATA mode connectivity to M.2 SSD devices. Offering data transfer speeds of up to 64Gb/s, the dual M.2 connector design provides an optimal storage solution as well as supporting RAID modes.
  • With Smart Fan 5, users can ensure their PC can maintain its performance while remaining cold. Smart Fan 5 allows users to swap their fan headers to reflect different thermal sensors at different locations on the motherboard. In addition, with the Smart Fan 5, more hybrid fan connectors supporting PWM and Voltage modes have been introduced to make the motherboard more liquid cooling friendly.

Full Specifications

BrandGIGABYTE
USB 2.04
PlatformWindows 10, Windows 11
CPU ModelAMD Ryzen 5 5600G
CPU SocketSocket AM4
Model NameB550M
Unit Count1 count
Chipset TypeAMD B550
Model NumberB550M AORUS ELITE
CompatibilityPC
Chipset FamilyAMD
Item Type NameMotherboard
Mfr Part NumberB550M AORUS ELITE
Number of Items1
Number of Ports4
Total Usb Ports8
Processor SocketSocket AM4
Total PCIe Ports3
Total SATA Ports4
Compatible DevicesPersonal Computer

Ready to buy?

Gigabyte B550M AORUS Elite Motherboard, B550 Chipset, AMD AM4, mATX, DDR4 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $136.06

*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.

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Gigabyte B550M AORUS Elite Motherboard, B550 Chipset, AMD AM4, mATX, DDR4
$136.06
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