Model Brand ASUS Model P7F-C/4L Supported CPU CPU Socket Type LGA 1156 CPU Type Quad/Dual Core Intel Xeon 3400 series Server Processor Quad Core Intel Core i7-800 series Desktop Processor Quad/Dual Core Intel Core i5/ i3 series Desktop Processor Chipsets North Bridge Intel 3420 Memory Number of DDR Slots 6 x 184Pin Number of DDR3 Slots 6 (2-channel) RDIMM; 4UDIMM (Desktop processors and Xeon L3406 don't support RDIMM) DDR3 Standard DDR3 1066/1333 ECC UDIMM; DDR3 800/1066/1333 RDIMM Memory Size: 1GB, 2GB, 4GB, 8GB (RDIMM)/ 1 GB, 2GB, 4GB (UDIMM) Maximum Memory Supported Maximum up to 32GB (RDIMM); Maximum up to 16GB (UDIMM) Channel Supported Dual Channel ECC Supported Yes Registered Yes Expansion Slots PCI Express x16 2 x PCI-E x16 (x8 link) PCI Slots 4 x PCI 32bit/33 MHz Storage Devices SATA 6 x SATA 3.0Gb/s SATA RAID Intel Matrix Storage utility supports software RAID 0, 1, 10 & 5(Windows) LSI MegaRAID driver supports software RAID 0, 1& 10(Windows & Linux) Onboard Video Onboard Video Chipset XGI Z9s DDR2 64MB Onboard LAN LAN Chipset 4 x Marvell 8056 Max LAN Speed Quad 10/100/1000Mbps Rear Panel Ports PS/2 2 COM 1 Video Ports D-Sub USB 1.1/2.0 2 x USB 2.0 Onboard USB Onboard USB 3 x USB Connectors (support 5 USB ports) (One for internal Type A USB connector) Physical Spec Form Factor ATX Dimensions 12.0" x 9.6" Features Features Quad Enterprise-class LAN Ports Support DDR3 UDIMM/ RDIMM Rack Ready (Rack and Pedestal dual use) ASWM2.0 FAN speed control Manufacturer Warranty Parts 3 years limited Labor 3 years limited