QNAP Systems has refreshed its business-grade NAS servers with the new two-bay TS-259 Pro+, four-bay TS-459 Pro+, five-bay TS-559 Pro+, and six-bay TS-659 Pro+. All use Intel's 1.8GHz Atom D525 processors paired with 1GB of RAM. Each is also VMware- and Citrix-ready, along with being compliant with Windows Server 2008 Hyper-V clusters and most common operating systems.