I.P67,S.1155, Z67 PROFESSIONAL, INTEL P67, 4xDDR3 2133(OC) DualCh max 32GB, 3xPciex2.0/2xPCiex16/2xPCI, 8CH HD, Pci-ex1 Gb LAN, 6xSATA3 6.0 Gb/s (RAID), 4xSATA2 3.0 Gb/s (RAID), 2xIEEE1394, 6xUSB3.0, rev3.0USB 3.0 Panel, 1 x Rear USB 3.0 B
I Z77 Dual Channel 4xDDR3 - 2800I HD Graphics with Built-in Visuals Pixel Shader 5.0, DirectX 11 with I Ivy Bridge CPU, Pixel Shader 4.1, DirectX 10.1 with I Sandy Bridge CPU, max. memory 1760MB (shared) supports HDCP, Full HD 1080p Blu-ray/ HD-DVD playback Four VGA Output: D-Sub, DVI-D, HDMI and DisplayPortGigabit LAN 10/100/1000HD 7.1 channel (ALC898)Premium Blu-ray audio support Supports THX TruStudioSupports AMD Quad CrossFireX, 3-Way CrossFireX and CrossFireX Supports NVIDIA Quad SLI and SLI2x PCI Express 3.0 x16 (PCIE1/PCIE3: single at x16 (PCIE1) / x8 (PCIE3) or dual x8/x8)1x PCIExpress 2.0 x16 (PCIE4: x4 mode) 1x PCI Extress 2.0 x1(0,1,5,10)4x USB 3.0 ports on board 2x additional USB 3.0 ports via header 1x USB 2.0 ports on board 6x additional USB 2.0 via header 1x Fatal1ty Mouse port (USB 2.0)

I X79,S.2011,DDR3 2400+(OC)/1600/1333/1066/800 non-ECC,3 x PCI Express 3.0 x16 slots (PCIE1 @ x16 mode; PCIE3 @ x16 mode; PCIE4 @ x8 mode),2 x PCI Express 2.0 x1 slots,2 x PCI slots, Supports AMD QuadCrossFireX? , 3-Way CrossFireX? and CrossFireX?, Supports NVIDIA? Quad SLI? , 3-Way SLI? and SLI,2 x SATA3 6.0 Gb/s connectors by Intel? X79, support RAID (RAID 0, RAID 1, RAID 5, RAID 10 and Intel? Rapid Storage 3.0), NCQ, AHCI and "Hot Plug" functions, 3 x SATA3 6.0 Gb/s connectors by ASMedia ASM1061, support NCQ, AHCI and "Hot Plug" functions,- 2 x Rear USB 3.0 ports by ASMedia ASM1042, support USB 1.0/2.0/3.0 up to 5Gb/s, 1 x Front USB 3.0 header (supports 2 USB 3.0 ports) by ASMedia ASM1042, supports USB 1.0/2.0/3.0 up to 5Gb/s,4 x SATA2 3.0 Gb/s connectors, support RAID (RAID 0, RAID 1, RAID 5, RAID 10 and Intel? Rapid Storage 3.0), NCQ, AHCI and Hot Plug functions,5 x SATA3 6.0 Gb/s connectors,PCIE x1 Gigabit LAN 10/100/1000 Mb/s,7.1 CH HD Audio with Content Protection (Realtek ALC898 Audio Codec)
I X79,S.2011, 4xDDR3 2400+(OC)/1600/1333/1066/800, 3xPCIEx3.0, 2xPCIEx1, 2xPCI, 8Ch HD, GBLAN, 5xSATA 6Gb/s, 2xUSB3.0, 1xeSATA, ATX
AMD 990FX + SB950 Fatal1ty Series, Skt AM3+, HT 5200MT/s, 4*DDR3 2100(OC)/1866/1600/1333/1066/800 non-ECC max 32GB, 3*PCIex2.0/2*PCIex1/2*PCI, AMD Quad CrossFireX, 3-Way CrossFireX and CrossFireX, NVIDIA Quad SLI and SLI, 8CH HD Audio THX TruStudio Pro
I Z77 Dual Channel 4xDDR3 - 2800I HD Graphics with Built-in Visuals Pixel Shader 5.0, DirectX 11 with I Ivy Bridge CPU, Pixel Shader 4.1, DirectX 10.1 with I Sandy Bridge CPU, max. memory 1760MB (shared) supports HDCP, Full HD 1080p Blu-ray/ HD-DVD playback Four VGA Output: D-Sub, DVI-D, HDMI and DisplayPortGigabit LAN 10/100/1000HD 7.1 channel (ALC898) Premium Blu-ray audio support Supports THX TruStudioSupports AMD Quad CrossFireX, 3-Way CrossFireX and CrossFireX Supports NVIDIA Quad SLI and SLI 2x PCI Express 3.0 x16 (PCIE2/PCIE4: single at x16 (PCIE2) / x8 (PCIE4) or dual x8/x8) 1x PCI Express 2.0 x1 1x mini-PCI Express slot(0,1,5,10)4x USB 3.0 ports on board 2x additional USB 3.0 ports via header 2x USB 2.0 ports on board 6x additional USB 2.0 via header
I P67, S.1155, 4*DDR3 2133(OC)/1866(OC)/1600/1333/1066 DualCh, 3*Pciex2.0/2*PCiex16/2*PCI, ATI Quad CrossFireX, 3-Way CrossFireX, CrossFireX, NVIDIA Quad SLI and SLI, 8CH HD AUDIO, Pci-ex1 Gigabit LAN (dual LAN with teaming function), 6*SATA3 6.0 Gb/s (RAID 0, RAID 1, RAID 10, RAID 5 and Intel? Rapid Storage), 4*SATA2 3.0 Gb/s (RAID 0, RAID 1, RAID 10, RAID 5 and Intel? Rapid Storage), 2*IEEE1394, 6*USB3.0, 6*USB2.0, 1 x ASRock SLI_Bridge_2S Card , 1 x Front USB 3.0 Panel, 1 x Rear USB 3.0 Bracket, 1 x Fatal1ty Mouse Port (USB 2.0), ATX
I Z77 Dual Channel 4xDDR3 - 2800I HD Graphics with Built-in Visuals Pixel Shader 5.0, DirectX 11 with I Ivy Bridge CPU, Pixel Shader 4.1, DirectX 10.1 with I Sandy Bridge CPU, max. memory 1760MB (shared) supports HDCP, Full HD 1080p Blu-ray/ HD-DVD playback Four VGA Output: D-Sub, DVI-D, HDMI and DisplayPortGigabit LAN 10/100/1000HD 7.1 channel (ALC898)Premium Blu-ray audio support Supports THX TruStudioSupports AMD Quad CrossFireX, 3-Way CrossFireX and CrossFireX Supports NVIDIA Quad SLI and SLI2x PCI Express 3.0 x16 (PCIE1/PCIE3: single at x16 (PCIE1) / x8 (PCIE3) or dual x8/x8)1x PCIExpress 2.0 x16 (PCIE4: x4 mode) 1x PCI Extress 2.0 x1(0,1,5,10)4x USB 3.0 ports on board 2x additional USB 3.0 ports via header 1x USB 2.0 ports on board 6x additional USB 2.0 via header 1x Fatal1ty Mouse port (USB 2.0)
I Z77 Dual Channel 4xDDR3 - 2800I HD Graphics with Built-in Visuals Pixel Shader 5.0, DirectX 11 with I Ivy Bridge CPU, Pixel Shader 4.1, DirectX 10.1 with I Sandy Bridge CPU, max. memory 1760MB (shared) supports HDCP, Full HD 1080p Blu-ray/ HD-DVD playback Three VGA Output: D-Sub, DVI-D and HDMIGigabit LAN 10/100/1000HD 7.1 channel (ALC892) Premium Blu-ray audio support Supports THXTruStudioSupports AMD Quad CrossFireX and CrossFireX 1x PCI Express 3.0 x16 (PCIE1: x16) 1x PCI Express 2.0 x16 (PCIE3: x4) 1x PCI Express 2.0 x1(0,1,5,10)4x USB 3.0 ports on board 2x additional USB 3.0 ports via header 3x USB 2.0 ports on board 6x additional USB 2.0 via header 1x Fatal1ty Mouse port (USB 2.0)
I.Z68,S1155, 4xDDR3 2133(OC) max 32GB, VGA(max sh 1759MB), D-Sub, DVI-D and HDMI, FullHD, 3xPciex3.0/2xPciex2.0/2xPCI, 2xSATA3 6.0 Gb/s, 2xSATA3 6.0 Gb/s ,RAID, GLAN, 8CH, 2xIEEE1394, 4xUSB3.0, ATX