Compatible with 1600 MHz or 1.6 GHz speed processor Desktops only ; Bullet Features: Increases system performance ; Speed: 1600 MT/S ; Number of Channels: Dual Channel Total Capacity: 8GB, 1600 MHz Speed or 1.6 GHz, NON-ECC, Form Factor: UDIMM, Module peak Bandwidth- 12800MB/Sec or 12.8 GB/sec