Processor(s) (1) Intel® Xeon® E5606 (2.13GHz/4-core/8MB/80W, DDR3-800) Processor Cache Memory 4MB (1 x 4MB) Level 3 cache Memory 4 GB (2 x 2 GB) PC3-10600R (DDR3-1333) Registered DIMMs NOTE: Total of 18 DDR3 DIMM slots. Network Controller Two HP NC382i Dual Port Multifunction Gigabit Server Adapter (4 x 1Gb Ports) Storage Controller HP Smart Array P410i/Zero Memory Controller Hard Drive None ship standard Internal Storage 4 SFF SAS/SATA HDD Bays (with optional 4SFF HDD upgrade) Optical Drive None ship standard PCI-Express Slots PCIe 2.01-full-length, full-height and 1-low profile Power Supply One 460W Common Slot Gold Hot Plug Power Supply Fans 3 total fans redundancy standard Form Factor 1U Rack form factor (1.75`), less than 28 inches (70.5 cm) deep Warranty Server Warranty includes 3-Year Parts, 3-Year Labor, 3-Year Onsite support with next business day response.