Chasis : 1U Rack CPU : 2 x Intel Xeon E5645, FCLGA1366,LGA1366 RAM : 4 x 4GB, Up to 288 GB RAM Slots : 18 dual inline, DDR3 HDD Bays : - Internal Storage (max) : 4 x 2.5” HDD, Up to 8 TB On board network : Internal Raid Controllers : SAS2008 PCI Slots : Slot 1 supports low-profile cards (PCI Express Gen2 x16 or PCI-X 1.0a 64-bit/133 MHz ), Slot 2 supports half-length, full-height cards (PCI Express Gen2 x16 or PCI-X 1.0a 64-bit/133 MHz) USB: rear 2 x USB 2.0, front 2 x USB 2.0 PSU: 2 x 675W

Chasis : 1U Rack CPU : 2 x Intel Xeon E5-2690, FCLGA2011 RAM : 2 x 8GB, Up to 768 GB RAM Slots : 24 dual inline, DDR3 HDD Bays : - Internal Storage (max) : 8 x 2.5” HDD, Up to 14.4 TB On board network : I350 4p Internal Raid Controllers : M5110 PCI Slots : Slot 1: PCIe x16; low profile, half-length, Slot 2: PCIe x8, opt. PCI-X or PCIe x16; full-height/half-length (PCIe x16 req. 2nd CPU) USB: rear 4 x USB 2.0, front 2 x USB 2.0, internal 1 x USB PSU: 2 x 750W

Chasis : 1U Rack CPU : 2 x Intel Xeon E5-2620, FCLGA2011 RAM : 2 x 16GB, Up to 768 GB RAM Slots : 24 DIMM sockets, DDR4 HDD Bays : - Internal Storage (max) : 12 x 2.5” HDD, Up to 92 TB On board network : NIC 4p Internal Raid Controllers : M5210 PCI Slots : PCIe 3.0 x16 or ML2; low profile, half-length (not present if the HDD Rear Kit is installed), PCIe 3.0 x16 or PCIe 3.0 x8; low profile or full-height, half-length (PCIe 3.0 x16 slot requires the second processor to be installed) (not present if the HDD Rear Kit is installed), PCIe 3.0 x16 or PCIe 3.0 x8; low profile, half-length, PCIe 3.0 x8 (dedicated for an internal storage controller) USB: rear 2x USB 3.0, front 1x USB 2.0 (standard), internal 1x USB 2.0 PSU: 2 x 750W