The HP Pro Liant ML150 Gen 9 Server delivers the essential mix of performance, price & expandability to fit the needs of growing budget conscious businesses. Designed as a dual-socket tower server, it is a right size tower with performance & expandability. With expansion options, it means that you can grow as needed with a low initial capital outlay. Covering a wide range of applications, workloads & addressing customers from sophisticated SMB to large enterprise class server environments. Hard drive options available, add QF 359538 for 500GB or see QF 359394 for 1TB. OS options recommended are QF 611751 Server Standard R2 2012 or 611750 Server Essentials R2 2012. 3 Year Next Business Day Warranty available here, for more options please contact solutions@ebuyer.com.