The hp proliant dl60 gen9 server provides the right density performance and manageability for file and print messaging collaboration workloads and cloud environments all in a compact 1u chassis at an affordable price to meet the needs of cost conscious service providers and smbs hard drive options available add qf 358979 for 500gb or to add 1tb see qf 358375 os options recommended are qf 611751 server standard r2 2012 or 611750 server essentials r2 2012 3 year next business day warranty