Features : Type: 240-Pin Serve Memory Module Capacity: 16 GB Total Capacity:16GB / 32GB / 64GB / 128GB / 192GB / 256GB Speed: PC3-12800R 1600MHZ Voltage: 1.5V Buffering/Ecc: ECC Buffered Serve Memory Ram Warranty: Lifetime Brand:Samsung Serve Memory . Only fit for server motherboard.It doesn't work on desktop or other regular PC Buyers note : Each memory is fully tested by Memtest86+ before shipping,100% pass. Serve Memory.It doesn't work on desktop or other regular PC. Any compatible problem pls feel free to contact us. Package lisitng : (send by your choose) 16GB PC3-12800R Server memory x1/x2/x4/x8/x12/x16