The EVGA Z68 SLI is a computer motherboard that utilizes an Intel chipset and is compatible with Intel Core i5 and Intel Core i7 central processing units. The specific chipset used by this EVGA motherboard is the Intel Z68. Memory for the Intel chipset motherboard is comprised of four 240-pin DIM sockets that offer up to 16 GB of DDR3 operating at 2133 MHz. The EVGA Z68 SLI is equipped with three Serial ATA 300MBpse interfaces that support RAID 0, RAID1, RAID 0+1, RAID5, RAID10 and JBOD. Dual Serial ATA 600MBpsec interfaces are also present and accommodate RAID 0 and RAID1. Expansion slots for the EVGA motherboard include a PCIex16/x8, PCIex8, PCIex4, and three PCIex1 slots. Audio connectors integrated with the Intel chipset motherboard are a line in, line out, and microphone. The EVGA motherboard includes 8-channel high-definition audio and 10/100/1000 Ethernet. This motherboard has an ATX form factor and supports Windows 7 32/64 bit, Windows Vista 32/64 bit, and Windows XP 32/64 bit operating systems.