m4a79-deluxe support amd socket am2 & am2+ & am3 athlon 64 and phenom cpu atx ati 790fx chipset ddr2 1066 hybrid cross fire support pci-e x 16 sataii raid gb lan intelligent overclocking tools cpu phenom™ x4 / phenom™ x3 / athlon™ x2 / athlon™ / sempron™ processors (socket am2+ / am2) compatible with phenom™ ii / athlon™ x4 / athlon™ x3 / athlon™ x2 (am3 cpu) supports 45nm cpu amd® cool 'n' quiet™ technology chipset amd® 790fx / sb750 system bus up to 5200 mt/s hypertransport™ 3.0 interface for am3 / am2+ cpu 2000 / 1600 mt/s for am2 cpu memory 4 x dimm, max. 16gb, ddr2 1066* / 800 / 667 mhz, ecc and non-ecc, un-buffered memory dual channel memory architecture due to amd cpu limitation, ddr2 1066 is supported by am2+ / am3 cpu for one dimm per channel only. due to os limitation, when installing total memory of 4gb capacity or more, windows® 32-bit operation system may only recognize less than 3gb. hence, a total installed memory of less than 3gb is recommended. expansion slots 4 x pci express 2.0 x16 slots, support ati crossfirex™ technology (@ dual x16, triple x16 / x8 / x8, or quad x8 link) 2 x pci 2.2 slots storage sb750 chipset: - 1 x ultra dma 133/100/66 for up to 2 pata devices - 5 x sata 3gb/s ports with raid 0, 1, 5, 10 and jbod - 1 x esata 3gb/s port lan realtek® 8112 gigabit lan controller featuring ai net 2 audio realtek® alc1200 8-channel high definition audio codec - supports jack-detection, multi-streaming, and front panel jack-retasking - coaxial / optical s/pdif out ports at back i/o - asus noise filtering ieee 1394 via® vt6315n controller supports 2 x ieee 1394a ports (1 at mid-board; 1 at back panel) usb 12 x usb 2.0/1.1 ports (6 ports at mid-board, 6 ports at back panel) asus unique features asus power solutions: - 8+2 phase power design - asus anti-surge protection asus green design: - epu - asus ai nap express gate asus quiet thermal solutions: - asus fanless design: heat pipe solution - asus fanless design: stack cool 2 - asus q-fan 2 asus ez diy: - asus q-shield - asus q-connector - asus o.c. profile - asus crashfree bios 2 - asus ez flash 2 - onboard switch special features 100% high-quality japan-made conductive polymer capacitors! (5000hrs vrm, over 57 years operation lifespan at 65。c) asus mylogo 2 amd® overdrive support* *advanced cooling system is required when advanced overclocking functions of amd overdrive are enabled. asus exclusive overclocking features intelligent overclocking tools: - ai overclocking (intelligent cpu frequency tuner) - turbo v - turbo key precision tweaker 2: - vcore: adjustable cpu voltage at 0.0125v increment - vchipset (nb): 16-step chipset voltage control - vdimm: 36-step dram voltage control sfs (stepless frequency selection) - fsb tuning from 200mhz up to 600mhz at 1mhz increment - pci express frequency tuning from 100mhz up to 150mhz at 1mhz increment