2 pieces 4gb significant that there are 2 pieces of ram, each ram is 4gb, total 8gb. Capacity: 8GB 4GB. Screen: DDR3. It can also be used for server motherboards such as X79 X58. Product features: no buffer.
Samsung 16GB DDR3 ECC RDIMM Server Memory RAM – Mixed Models/SKUs
SAMSUNG DDR3 1600MHz 16GB (2 x 8GB) PC3-12800 2Rx8 Laptop Memory SODIMM RAM 1.5V
Samsung 8GB DDR4 RAM 2666MHz SODIMM Memory Module M471A1K43DB1-CTD RAM
8GB DDR3 RAM 1333MHz 1600MHz Desktop Memory CL9 CL11 ECC Server Desktop Memory
16GB DDR3 RAM - Pair 2x 8GB PC3L-12800S 1600MT SODIMM Samsung M471BG73xx0
SAMSUNG DDR3L 1600MHz 16GB (2 x 8GB) PC3L-12800 2Rx8 Laptop Memory SODIMM RAM
