ASRock

ASRock Motherboard FATAL1TY 990FX Killer

Name: ASRock Motherboard FATAL1TY 990FX Killer
Brand: ASRock
SKU: B00HQRDE7Q

Bottom line: The ASRock Motherboard FATAL1TY 990FX Killer: Socket AM3+ board for FX-8350/FX-9590 builds, a rare new-old-stock retro AMD platform; main trade-off: 990FX/SB950 chipset is PCIe 2.0 only, halving bandwidth versus PCIe 3.0 boards.

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-20

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. About the author →

Pros & Cons

Pros

✓ Socket AM3+ board for FX-8350/FX-9590 builds, a rare new-old-stock retro AMD platform
✓ Three PCIe 2.0 x16 slots support Quad CrossFireX and Quad SLI on one board
✓ Killer E2200 gigabit NIC prioritizes game traffic without a separate add-in card
✓ Four DDR3 DIMM slots reach 64GB dual-channel, with OC profiles up to DDR3-2450

Cons

✗ 990FX/SB950 chipset is PCIe 2.0 only, halving bandwidth versus PCIe 3.0 boards
✗ Third x16 slot runs at x4, so triple-GPU setups are bandwidth-limited
✗ DDR3 only, so DDR4 and DDR5 kits will not fit
✗ AM3+ socket caps you at FX-series CPUs, no Ryzen upgrade path

Manufacturer description

ASROCK FATAL1TY 990FX KILLER Socket AM3+/ AMD 990FX/ DDR3/ Quad Crossfire & Quad SLI/ SATA3&USB3.0/ A&GbE/ ATX Motherboard

SpecPicks Verdict

SpecPicks scored ASRock Motherboard FATAL1TY 990FX Killer using a rating × review-volume × price-fit model applied to published specs and reviews across the retro motherboards category. ASRock'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.

Key Features

Chipset: North Bridge AMD 990FX & South Bridge AMD SB950
Memory: 4x DDR3-2450(OC)/ 2100(OC)/ 1600/ 1333/ 1066 DIMM Slots, Dual Channel, Non-ECC, Buffered, Max Capacity of 64GB
Slots: 3x PCI-Express 2.0 x16 Slots (dual run at x16, one runs at x4), 2x PCI-Express 2.0 x1 Slots
SATA: 5x SATA3 Ports, Support RAID 0, 1, 0+1, 5, JBOD
LAN: Qualcomm Atheros KillerTM E2200 Series PCI-Express x1 Gigabit Ethernet Controller
Ports: 7x USB 3.0 Ports (4 rear, 2 via header, 1 Vertical Type A), 10x USB 2.0 Ports (5 rear, 4 via headers, 1 Fatal1ty Mouse Port), 1x PS/2 Mouse Port, 1x PS/2 Keyboard Port, 1 x Optical SPDIF Out Port, 1x eSATA3 Port, 1x RJ45 LAN Port, Audio I/O Jacks

Full Specifications

LAN	Qualcomm Atheros KillerTM E2200 Series PCI-Express x1 Gigabit Ethernet Controller
SATA	5x SATA3 Ports, Support RAID 0, 1, 0+1, 5, JBOD
Brand	ASRock
Slots	3x PCI-Express 2.0 x16 Slots (dual run at x16, one runs at x4), 2x PCI-Express 2.0 x1 Slots
Memory	4x DDR3-2450(OC)/ 2100(OC)/ 1600/ 1333/ 1066 DIMM Slots, Dual Channel, Non-ECC, Buffered, Max Capacity of 64GB
Chipset	North Bridge AMD 990FX & South Bridge AMD SB950
USB 2.0	6
Platform	Windows 8
CPU Model	AMD FX
CPU Socket	Socket AM3+
Model Name	FATAL1TY 990FX KILLER
Chipset Type	AMD 990FX
Connectivity	USB
Model Number	90-MXGST0-A0UAYZ
Chipset Family	AMD 990FX
Mfr Part Number	90-MXGST0-A0UAYZ
Number of Items	1
Number of Ports	19
Power Connector	1x 24pin ATX Power Connector, 1x 8pin 12V Power Connector, 1x SLI/XFire Power Connector
Total Usb Ports	12

Ready to buy?

ASRock Motherboard FATAL1TY 990FX Killer is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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