Processor: Intel Xeon 5345 QuadCore 2.33GHz/1333MHz (2 Standart) Cache Memory: 8MB L2 cache Memory: 4096 MB (4*1024MB) Standard, to 32 GB (Maximum) FBD PC2-5300 Network Controller: NC373i Multifunction Gigabit Server Adapters (2x10/100/1000) Storage Controller: HP Smart Array P400/512MB BBWC Controller (RAID 0/1/1+0/5/6) Hard Drive: optional SFF (2.5``) SAS HDD (up to 8) Internal Storage: 1.168TB (with optional SAS hard drives) Optical Drive: DVD-ROM/CDRW combo Power Supply: 1+1 hot-swap standart Form Factor: Rack (2U)