HP t610 Flexible Series Thin Clients deliver added security, broad expansion options and a PC-like multimedia experience for virtualized desktops. A flexible, two-form factor solution with one powerful boost in performance. Certifications and Standards: TAA Compliant, Ergonomics: German ZH1/618, EN29241-3, Safety: UL 1950, CSA 950, TV-GS (EN60 950), RF Interference: FCC Class B, CE, EN55022B, VCCI. Compatible with Citrix XenApp 5 and 6, Citrix XenDesktop 3 and 4, Citrix Presentation Server 4.0, Windows Server 2008 Terminal Services, Windows 2003 Server families, Windows 2003 Server Terminal Services, VMware Virtual Desktop Infrastructure. C3H80UP#ABA T610 Thin Client KB/MSE USB No OS is a terminals/thin clients product made by Hewlett Packard HP computers /servers/ laptops /pdas.