XFX 790i Ultra SLI LGA 775 ATX Motherboard

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The 790i Ultra SLI motherboard ensures a premium gaming experience, with world record-setting memory speeds and ESA component control. Currently the only platform to support DDR3-2GHZ, this motherboard delivers top performance for 1600MHz FSB Intel CPUs with extreme CPU overclocking, as well as unmatched DirectX 10 gaming with 2-way, 3-way and Quad SLI technology.



NVIDIA SLI technology is a revolutionary platform innovation that allows users to intelligently scale graphics performance by combining multiple NVIDIA graphics solutions in a single system with an nForce SLI MCP. Available on nForce 680i SLI and nForce 650i SLI MCPs



High Definition Audio (HDA)

High definition audio brings consumer electronics quality sound to the PC delivering high quality sound from multiple channels. Using HDA, systems can deliver 192kHz/32-bit quality for eight channels, supporting new audio formats.


Networking with NVIDIA nForce

NVIDIA networking delivers the highest network throughput at the lowest CPU utilization. The manageable and stable NVIDIA networking solution results in better networking management and a lower total cost of ownership. Only NVIDIA integrates this level of networking features to allow you to take your online experience to the next level.


NVIDIA FirstPacket technology

Be the 'King of Ping' with NVIDIA FirstPacket technology. Get the crystal-clear phone conversations and online gaming performance you expect. NVIDIA FirstPacket technology assures your game data, VoIP conversations, and large file transfers are delivered according to preferences set by you in an intuitive wizard.


NVIDIA LinkBoost Technology

NVIDIA nForce 590 SLI MCP automatically increases bandwidth when select NVIDIA GeForce graphics cards are detected


NVIDIA MediaShield Storage

Suite of features that safeguards your most important digital media assets; always reliable, scalable, and accessible. Includes RAID and SATA drive support.


NVIDIA Native Gigabit Ethernet

The industry's fastest Gigabit Ethernet performance eliminates network bottlenecks and improves overall system efficiency and performance.


NVIDIA SLI Certified Components

Look for other components including select NVIDIA GeForce GPUs and system memory that automatically increase system bus speeds when paired with NVIDIA nForce 590 SLI motherboards.

PCI Express

Designed to run with PCI Express bus architecture. This bus doubles the bandwidth of AGP 8X, delivering 4GB/s of upstream data transfer and 4GB/s of downstream data transfer.


USB 2.0

A standard plug-and-play interface that provides easy-to-use connectivity for USB devices.



        Brand : XFX 

        Model : MBN790IUL9 

        Supported  CPU

        CPU Socket Type : LGA 775 

        CPU Type  : Quad-core / Core 2 Extreme / Core 2 Duo / Pentium 

        FSB  : 1600/1333MHz 



        North Bridge : NVIDIA nForce 790i Ultra SLI 



        Number of Memory Slots  : 4240pin 

        Memory Standard  : DDR3 1333/1066 MHz

        Support DDR3 up to 2000 MHz with EPP 2.0 Memory 


Maximum Memory Supported 8GB 

        Dual Channel Supported :  Yes 


Expansion Slots

        PCI Express 2.0 x16 :  2 

        PCI Express x16 : 1 

        PCI Express x1 : 2 

        PCI Slots : 2 


Storage Devices

        PATA : 1 x ATA100 2 Dev. Max 

        SATA 3Gb/s  : 6 

        SATA RAID : 0/1/0+1/5/JBOD 


Onboard Video

        Onboard Video Chipset : None 


Onboard Audio

        Audio Channels : 8 Channels 


Onboard LAN

        Max LAN Speed :  Dual 10/100/1000Mbps


Rear Panel Ports

        PS/2 : 2 

        USB : 6 x USB 2.0 

        IEEE 1394 1 x IEEE 1394a 

        eSATA  : 1 x eSATA 3Gb/s 

        S/PDIF Out  : 1x Optical, 1x Coaxial 

        Audio Ports  : 6 Ports 


Onboard USB

        Onboard USB  : 4 x USB 2.0


Onboard 1394

        Onboard 1394  : 1x 1394a 


Physical Spec

        Form Factor : ATX 



        Power Pin : 24 Pin 






Brand  XFX
Model  MBN790IUL9
Supported CPU
CPU Socket Type  LGA 775
CPU Type  Quad-core / Core 2 Extreme / Core 2 Duo / Pentium
FSB  1600/1333MHz
North Bridge  NVIDIA nForce 790i Ultra SLI
Number of Memory Slots  4240pin
Memory Standard  DDR3 2000(OC)/1800(OC)/1333 Support DDR3 up to 2000 MHz with EPP 2.0 Memory
Maximum Memory Supported  8GB
Channel Supported  Dual Channel
Expansion Slots
PCI Express 2.0 x16  2
PCI Express x1  2
PCI Slots  2
PCI Express x16  1
Storage Devices
SATA 3Gb/s  6
SATA RAID  0/1/0+1/5/JBOD
PATA  1 x ATA100 2 Dev. Max
Onboard Video
Onboard Video Chipset  None
Onboard Audio
Audio Channels  8 Channels
Onboard LAN
Max LAN Speed  Dual 10/100/1000Mbps
Rear Panel Ports
USB  6 x USB 2.0
IEEE 1394  1 x IEEE 1394a
eSATA  1 x eSATA 3Gb/s
S/PDIF Out  1 x Optical, 1 x Coaxial
Audio Ports  6 Ports
PS/2  2
Onboard USB
Onboard USB  4 x USB 2.0
Onboard 1394
Onboard 1394  1x 1394a
Physical Spec
Form Factor  ATX
Power Pin  24 Pin
Dimensions  12.0" x 9.6"


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