Computers / Components / Memory / Memory Speed 2000 MHz, Capacity 4096 MB 

Kingston KHX1600C9D3K2/4G

DDR3, Capacity 4096 MB, Memory speed 1600 / 2000 MHz, PC12800, CL 9 ms, 240 pin

Corsair CMG4GX3M2A2000C8

DDR3, Capacity 4096 MB, Memory speed 2000 MHz, PC16000, CL 8 ms, 240 pin

Kingston KHX2000C9D3T1K2/4GX

DDR3, Capacity 4096 MB, Memory speed 2000 MHz, PC16000, CL 9 ms, 240 pin

Kingston KHX1600C8D3T1K2/4GX

DDR3, Capacity 4096 MB, Memory speed 2000 MHz, PC16000, CL 8 ms, 240 pin