Processor | ASUS Crosshair IV Formula | |
Socket | AM3 | |
Processors supported | AMD Phenom II/Athlon II/Sempron 100 Series | |
System bus | HyperTransport | |
Support for multi-core processors | yes | |
Chipset | ASUS Crosshair IV Formula | |
Chipset | AMD 890FX | |
BIOS | AMI | |
SLI/CrossFire | CrossFire X | |
Memory | ASUS Crosshair IV Formula | |
Memory | DDR3 DIMM, 1066 - 2000 MHz | |
Memory type | ECC/non-ECC | |
Number of memory slots | 4 | |
Supports dual channel mode | yes | |
Maximum memory | 16 GB | |
Disk controllers | ASUS Crosshair IV Formula | |
IDE | no | |
SATA | number of connectors SATA 3Gb/s: 1, number of connectors SATA 6Gb/s: 6, RAID: 0, 1, 5, 10 based on AMD SB850 | |
Expansion slots | ASUS Crosshair IV Formula | |
Expansion slots | 3xPCI-E x16, 1xPCI-E x4, 2xPCI | |
PCI Express 2.0 support | yes | |
Supported modes of PCI-Express | dual x16, triple x16, x8, x8 | |
Audio/video | ASUS Crosshair IV Formula | |
Sound | 7.1CH, HDA | |
Network | ASUS Crosshair IV Formula | |
Ethernet | 1000 Mbps, based on the Marvell 8059 | |
Connection | ASUS Crosshair IV Formula | |
Interfaces | 14 USB 2 USB 3.0 ports (2 on the back panel), 2xFireWire (IEEE1394a), S/PDIF output 1xeSATA, Ethernet, PS/2 (keyboard) | |
Back panel connectors | 9 USB 2 USB 3.0, 1xFireWire (IEEE1394a), optical output, 1xeSATA, Ethernet, PS/2 (keyboard) | |
Main power connector | 24-pin | |
Processor power connector | 8-pin | |
Advanced settings | ASUS Crosshair IV Formula | |
Form factor | ATX | |
Packing list | plug the rear ports housing, connection cable ROG, set the Q-connectors, cables SATA 6.0Gb/s, signal cables SATA 3.0Gb/s, strap 2 x USB2.0 ESATA cable Crossfire, set screeds, stickers ROG | |
Additional information | ROG Connect MemOK!, iROG, 1 x Clr CMOS; 1 USB 2.0 port is used to connect ROG | |