XFX

XFX MBN790IUL9 nForce 790i Ultra SLI DDR3 1600Mhz FSB Socket LGA 775 ATX Intel Motherboard

Name: XFX MBN790IUL9 nForce 790i Ultra SLI DDR3 1600Mhz FSB Socket LGA 775 ATX Intel Motherboard
Brand: XFX
SKU: B001664EBS

Bottom line: The XFX MBN790IUL9 nForce 790i Ultra SLI DDR3 1600Mhz FSB Socket LGA 775 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 2026-10-19

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

✓ Form Factor - ATX

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

XFX Motherboard MBN790IUL9

SpecPicks Verdict

SpecPicks scored XFX MBN790IUL9 nForce 790i Ultra SLI DDR3 1600Mhz FSB Socket LGA 775… using a rating × review-volume × price-fit model applied to published specs and reviews across the retro motherboards category. XFX'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

Form Factor - ATX
USB 2.0 Port - 10
Pin Count - LGA775
NVIDIA nForce 790i Ultra MCP
System Memory

Full Specifications

Brand	XFX
Platform	Windows Vista
CPU Socket	LGA 775
Chipset Type	NVIDIA nForce 790i Ultra
Connectivity	USB
Model Number	MBN790IUL9
Chipset Family	nForce
Mfr Part Number	MBN790IUL9
Number of Ports	10
Total Usb Ports	10
Item Part Number	MBN790IUL9
Processor Socket	LGA 775
Compatible Devices	Personal Computer
Memory Clock Speed	1600 MHz
Warranty Description	2 Year Limited Warranty
RAM Memory Technology	DDR3
Memory Slots Available	4
Graphics Card Interface	PCI Express
Memory Storage Capacity	8 GB
System Bus Standard Supported	SATA 2

Ready to buy?

XFX MBN790IUL9 nForce 790i Ultra SLI DDR3 1600Mhz FSB Socket LGA 775 ATX Intel 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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