The EVGA Z68 SLI is physically identical in layout to EVGA's P67 SLI motherboard. The difference however, is that the EVGA Z68 SLI motherboard is capable of using Intel's Smart Response Technology, an SSD caching feature that marries boosts traditional HDD performance with SSD speeds. The EVGA Z68 SLI can run up to two PCI-E x16 graphic cards with an additional PCI-E x16 at x4 mode underneath for a dedicated PhysX card. Enthusiast features like on-board power, reset, clear CMOS and a debug LED found on the EVGA Z68 FTW are also available on the EVGA Z68 SLI motherboard. Since it carries the Z68 chipset, the EVGA Z68 SLI is capable of using Intel's Smart Response Technology to improve hard drive transfer rates by utilizing a low-cost SSD as a cache drive. Whether you are a tech addict, a habitual overclocker or just a mainstream consumer looking for a reliable motherboard for a new system build, the EVGA Z68 SLI mainboard promises to cater to your needs.