ASUS

ASUS Crosshair III Formula 790FX/SB750 AM3 DDR3 160O.C. 2PCIE@X16 iROG Motherboard

Name: ASUS Crosshair III Formula 790FX/SB750 AM3 DDR3 160O.C. 2PCIE@X16 iROG Motherboard
Brand: ASUS
SKU: B002DH8HZS

Bottom line: The ASUS Crosshair III Formula 790FX/SB750 AM3 DDR3 160O.C. 2PCIE@X16 is a specs-and-price decision rather than a crowd-consensus one in the retro motherboards category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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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

✓ ATX Form Factor 12 inch x 9.6 inch (30.5 cm x 24.5 cm)

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Used and vintage listings vary by seller and condition — check the listing photos, description and return terms before buying

Manufacturer description

Socket AM3 790FX/SB750 4DDR3Primary InformationMainboard Form Factor : ATX Mainboard Chipset Type : AMD 790FX Max Bus Speed : 2600 MHz ProcessorProcessor / Socket Type : Socket AM3 UNSPSC CodeUNSPSC Code : 43201513

SpecPicks Verdict

SpecPicks scored ASUS Crosshair III Formula 790FX/SB750 AM3 DDR3 160O.C. 2PCIE@X16… using a rating × review-volume × price-fit model applied to published specs and reviews across the retro motherboards category. ASUS'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

ATX Form Factor 12 inch x 9.6 inch (30.5 cm x 24.5 cm)
AMD Socket AM3; Phenom II/Athlon II/Sempron 100 Series Processors
Supports 45nm CPU
AMD Cool 'n' Quiet Technology
Chipset AMD 790FX/SB750

Full Specifications

Brand	ASUS
USB 2.0	6
Platform	Not Machine Specific
CPU Model	Athlon
CPU Socket	Socket AM3
Chipset Type	AMD 790FX/SB750
Model Number	CROSSHAIR III FORMUL
Mfr Part Number	CROSSHAIR III FORMUL
Total Usb Ports	9
Processor Socket	Socket AM3
Compatible Devices	Personal Computer
Memory Clock Speed	2600 MHz
Compatible Processors	AMD Athlon, AMD Sempron
RAM Memory Technology	DDR3 1600(O.C.);DDR3 1333;DDR3 1066
S/PDIF Connector Type	Optical
Memory Slots Available	2
Graphics Card Interface	PCI, PCI Express
Memory Storage Capacity	16 GB
Ram Memory Maximum Size	16 GB
System Bus Standard Supported	SATA 3

Ready to buy?

ASUS Crosshair III Formula 790FX/SB750 AM3 DDR3 160O.C. 2PCIE@X16 iROG Motherboard 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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