The Lenovo K430 desktop has Intel Core i7 CPUs, up to 32GB of DDR3 SDRAM, dual graphics support with NVIDIA's SLI or ATI CrossFireX, optional RAID 0 configured twin hard drives, an up to 4TB HDD, a three speed color-coded power switch with three modes (turbo, auto, and cool running), plus USB 3.0 connectors and a 9-in-1 card reader.