Heavy-duty 2U enterprise-grade server, great for virtualization labs, compute clusters, or storage nodes. No hard drives included—buyer provides their own. This R820 supports up to 16x 2.5” hot-swap drives for maximum storage flexibility. Specs: • 4x Intel Xeon E5-4603 CPUs (4 cores each, 16 total) • 32GB DDR3 ECC RDIMM (4x 8GB) • PERC H710 RAID Controller w/ 512MB NV Cache (RAID 1 capable) • iDRAC7 Enterprise remote management • Intel I350 Quad-Port 1Gb Ethernet • Emulex 8Gb Fibre Channel HBA • Dual 750W Redundant Hot-Swap Power Supplies • DVD-RW Optical Drive • TPM module installed • No hard drives or OS included