Lenovo 4XC0G88835. Certification: CB, FCC, EMC, C-tick, GS, CUL, UL, CE, Compatible products: 4XC0G88834. Supported server operating systems: Windows Server 2008 R2, Windows Server 2008 R2 x64, Windows Server 2012, Windows Server 2012 R2,.... Width: 10 mm, Depth: 9 mm, Height: 14 mm