Hp K7P32LA # ABM Z440

2.8GHz Intel Xeon QuadCore E5-1603v3, 10MB cache, DDR4-1866 memory, 140W, Intel® C612 Chipset “8GB (1x8GB) Max. 128GB, DDR4-2133 RegRAM” 1TB SATA 6Gb / s 7200rpm, Disk Controller: 2 @ SATA 6Gb / s, supports NCQ and RAID 0,1. 4 sSATA, @ 6Gb / s, Supports RAID 0,1,10 and NCQ. Factory integrated RAID is Microsoft Windows network only.Controlador I-218 Integrated Intel Gbit LAN, 9.5mm Slim SuperMulti DVDRW, 2GB NVIDIA Quadro K620 Video RAM, 700W 90% Efficient wide-ranging, Active Power Factor Correction, with two graphics power cables, HP Solenoid Hood Lock and Hood Sensor, ‘Windows 8.1 Pro 64-bit Downgrade to Windows 7 Pro 64-bit OS’ 3/3/3. (WS INCLUDE ALL BRAND MOUSE AND KEYBOARD HP)