Mid-Range NAS Servers target SMB and corporate customers.
Incorporating Intel® Atom(TM) D410 single-core processor, models TS-239 Pro II (2-drive) and TS-439 Pro II (4-drive) are compatible with VMware's vSphere4 (ESX 4.0) virtualization platform, suited for departmental file sharing, storage, and advanced server applications in office environment. Desktop units come with version 3.2 of QNAP NAS management software, which supports iSCSI service and SPC-3 Persistent Reservation for clustering in VMware and Windows Server 2008.