A-Tech 64 GB 4x 16 GB 2Rx4 PC3-12800R DDR3 1,35 V ECC RDIMM REG RAM server
Rank 2Rx4 (Dual Rank x4 based). Kit Capacity 64GB. Capacity 16GB. Class DDR3. Your computer loads a program or file you select from the hard drive in to your computers RAM, then it will access each bit of data from there.