Full Details on Amazon.com : http://www.amazon.com/gp/product/B00G1H3TA4?tag=tsukuyomi-20
SAMSUNG Samsung DDR3-1600 4GB512Mx64 CL11 Memory / M378B5173QH0-CK0 /
Mfr Part Number M378B5173QH0-CK0
Type DDR3
Capacity 4GB
Size Bit 512M x 64
Speed PC12800 1600MHz
