Lenovo ThinkServer TS140 70A40037UX 4U Tower Server Intel Core i3-4150 3.5Ghz Processor: Intel Core i3-4130 processor 3.4 GHz, 2C, 4M Cache, 1.00 GT/s, 65W RAM: 1 x 4 GB PC3-12800E 1600MHz DDR3 ECC-UDIMM UDIMM / 4 Slots Total Hard Drive: NONE installed with 3 vacant 3.5'' bays / RAID: Software supporting 0, 1, 5 Levels Optical Drive: DVD-ROM / Power Supply: 280W Fixed / Networking: Gigabit Ethernet (Integrated) True server-class features