ASUS Crosshair IV Formula

Model
Brand ASUS
Model Crosshair IV Formula
Supported CPU
CPU Socket Type AM3
CPU Type Phenom II / Athlon II / Sempron 100 Series
AMD 140W CPU Support
FSB 2600 MHz
Chipsets
Chipset AMD 890FX
South Bridge AMD SB850
Memory
Number of Memory Slots 4x240pin
Memory Standard DDR3 2000(O.C.)/1800(O.C.)/1600(O.C.)/1333/1066
Maximum Memory Supported 16GB
Channel Supported Dual Channel
Expansion Slots
PCI Express 2.0 x16 3 (dual @x16, triple @x16 x8 x8)
1 (@x4)
PCI Slots 2 x PCI Slots
Storage Devices
SATA 3Gb/s 1 x SATA 3Gb/s
SATA 6Gb/s 6 x SATA 6Gb/s
SATA RAID 0/1/5/10
Onboard Video
Onboard Video Chipset None
Onboard Audio
Audio Chipset SupremeFX X-Fi 8-Ch audio with EAX Advanced HD 4.0 support
Audio Channels 8 Channels
Onboard LAN
LAN Chipset Marvell 8059
Max LAN Speed 1Gbps
Rear Panel Ports
Back I/O Ports 1 x LAN (RJ45) / 1 x Optical S/PDIF Out / 1 x PS/2 / 2 x USB 3.1 Gen 2 Type-A / 6 x Audio Jacks / 8 x USB 2.0/1.1
PS/2 1
USB 3.0 2 x USB 3.0
USB 1.1/2.0 7 x USB 2.0/1.1 ports (1 port is also for ROG Connect)
IEEE 1394 1 x IEEE 1394a
eSATA 1 x eSATA 3Gb/s
S/PDIF Out 1 x Optical
Audio Ports 6 Ports
Internal I/O Connectors
Onboard USB 3 x USB 2.0 connectors supports additional 5 USB 2.0 ports
Onboard 1394 1 x 1394a
Physical Spec
Form Factor ATX
Dimensions (W x L) 12.0" x 9.6"
Power Pin 24 Pin
Features
Features Core Unlocker - Unlock extra cores for true core performance

Turbo Key II for Easy O.C. - Level up system performance with one button

GameFirst - Prioritize packets with an intuitive interface

ROG Connect - Connect to a notebook and overclock!

SupremeFX X-Fi audio card - Bring gaming to life with HD
Additional Information
Date First Available April 26, 2010

+I/O shield krytka