Mainboard AMD FX series AM3 plus

90-MIBJI0-G0EAY0VZ

ASUS M5A99X EVO R2.0, AMD 990X/SB950 chipset, 4 DDR3 2133, max memory 32GB, 2 PCI 2.0 x16, supports  PCIe 2.0 x4, 2 PCIe 2.0 x1, PCI,  8 SATA III 6Gbps, 2 eSATA, Gbit LAN, 8 ch audio, 4 USB 3.0, 14 USB 2.0, ATX form factor, black PCB

90-MIBJA0-G0EAY0VZ

ASUS Sabertooth FX990 R 2.0, chipset AMD 990FX/SB950, 5.2GT/s HyperTransport 3.0 bus,  4 DDR3 1866,max memory 32GB, 3 x PCIe 2.0 x16 (dual x16 or x16/x8/x8), PCIe 2.0 x16 (x4 mode, black), PCIe 2.0 x1 & PCI slots, 8 x SATA III 6Gb/s, 2 x eSATA 6Gb/s, 1 x Gbit LAN, 4 x USB 3.0, 8 x USB 2.0 , Optical S/PDIF out, USB BIOS Flashback Button(s), 8 ch hd audio, military grade components, 5 years warranty

ASUS ROG Crosshair V Formula-Z, AMD 990FX/SB950 chipset, 4 DDR3 2400, max memory 32GB, 3 PCIe 2.0 x16, PCIe 2.0 x4, PCIe 2.0 x1, supports NVIDIA Quad-GPU SLI, 3-Way AMD CrossFireX  8 SATA III 6Gbps, 2 eSATA 6Gbps, intel Gbit LAN, SupremeFX III 8 ch audio, 6 USB 3.0, 12 USB 2.0, UEFI ROG BIOS, ATX form factor

ASUS M5A97 LE R2.0, AM3+ socket, AMD 970 /SB950 chipset, 2 PCIe 2.0 x16, 2 PCIe 2.0 x1, 2 PCI, AMD Quad-GPU CrossFireX, 6 SATA III, 0 IDE, 4 DDR3 2133, 2 USB 3.0, 12 USB 2.0, Gbit LAN, 8 channel audio, black PCB