ASRock

ASRock 90-MXB100-A0UAYZ Motherboard Micro ATX DDR3 2400 NA A88M-G/3.1

Name: ASRock 90-MXB100-A0UAYZ Motherboard Micro ATX DDR3 2400 NA A88M-G/3.1
Brand: ASRock
SKU: B01AIZW928

Status: ASRock 90-MXB100-A0UAYZ Motherboard Micro ATX…: Unavailable on Amazon as of 2026-10-07 04:17 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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Bottom line: The ASRock 90-MXB100-A0UAYZ Motherboard Micro ATX DDR3 2400 NA A88M-G/3.1 is a specs-and-price decision rather than a crowd-consensus one in the motherboards category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

Unavailable on Amazon as of 2026-10-07 04:17 UTC

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Currently unavailable on Amazon. Not the same product — an in-stock alternative:

Similar: ASRock Motherboard Micro ATX DDR3 1066 NA D1800M — $39.99 on Amazon as of 2026-10-06 16:26 UTC (price may vary).

View Current Price — $39.99

Original listing (currently unavailable) → Compare to similar motherboards

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-07

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ CPU: Socket FM2+, Chipset: AMD A88X, Supports DDR3 2400+(OC), Sapphire Black PCB
✓ Backed by ASRock's warranty and support channels

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

ASRock A88M-G/3.1 Socket FM2+/ AMD A88X/ DDR3/ Quad CrossFireX/ SATA3&USB3.1/ M.2/ A&GbE/ MicroATX Motherboard

SpecPicks Verdict

SpecPicks scored ASRock 90-MXB100-A0UAYZ Motherboard Micro ATX DDR3 2400 NA A88M-G/3.1 using a rating × review-volume × price-fit model applied to published specs and reviews across the motherboards category. ASRock's 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 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.

Key Features

CPU: Socket FM2+, Chipset: AMD A88X, Supports DDR3 2400+(OC), Sapphire Black PCB
Memory: 4x DDR3-2400+(OC)/ 2133/ 1866/ 1600/ 1333/ 1066 DIMM Slots, Dual Channel, Non-ECC, Un-buffered, Max Capacity of 64GB
Slots: 1x PCI-Express 3.0 x16 Slot, 1x PCI-Express 2.0 x16 Slot (runs at x4), 1x PCI-Express 2.0 x1 Slot, 1x PCI Slot
SATA: 8x SATA3 Ports; M.2: 1x M.2 Port, M.2 PCI Express module up to Gen2 x4
Ports: 2x USB 3.1 Ports (1 Type A, 1 Type C), 4x USB 3.0 Ports (2 rear, 2 via header), 6x USB 2.0 Ports (2 rear, 4 via headers), 1x PS/2 Keyboard/Mouse Port, 1x VGA Port, 1x DVI-D Port, 1x HDMI Port, 1x RJ45 LAN Port, Audio I/O Jacks
Form Factor: MicroATX

Full Specifications

CPU	Socket FM2+, Chipset: AMD A88X, Supports DDR3 2400+(OC), Sapphire Black PCB
SATA	8x SATA3 Ports; M.2: 1x M.2 Port, M.2 PCI Express module up to Gen2 x4
Brand	ASRock
Slots	1x PCI-Express 3.0 x16 Slot, 1x PCI-Express 2.0 x16 Slot (runs at x4), 1x PCI-Express 2.0 x1 Slot, 1x PCI Slot
Memory	4x DDR3-2400+(OC)/ 2133/ 1866/ 1600/ 1333/ 1066 DIMM Slots, Dual Channel, Non-ECC, Un-buffered, Max Capacity of 64GB
USB 2.0	2
Platform	Windows 8.1
CPU Socket	Socket FM2+
Model Name	90-MXB100-A0UAYZ
Form Factor	MicroATX
Chipset Type	AMD A88X
Connectivity	USB
Model Number	90-MXB100-A0UAYZ
Built-In Media	Motherboard
Mfr Part Number	A88M-G/3.1
Number of Ports	4
Total Usb Ports	4
Processor Socket	Socket FM2+
Total PCIe Ports	3
Total SATA Ports	8

Ready to buy?

Amazon shows no buyable offer for ASRock 90-MXB100-A0UAYZ Motherboard Micro ATX… at the last check. A similar in-stock product is ASRock Motherboard Micro ATX DDR3 1066 NA D1800M. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $39.99