Technology: Unbuffered, Dual Channel Capability , Specification: DDR3 1600MHz SK hynix has secured the industry’s top-level micro process technology based on constant R&D and is constantly developing premium products that use less power than existing products but also have significantly improved capacity, speed, and performance With this memory card, you are purchasing a high quality product for your notebook. Samsung 4GB DDR3 Memory SO-DIMM 204pin PC3L-12800S 1600MHz M471B5273CH0 DDR3 SODIMM Memory DDR3L 4GB 1600MHz SO-DIMM 204-Pin Laptop Memory Module PC3L-12800S 1.35V From RAMs - Price 44.6 Hynix 4GB DDR3 RAM ) , Manufacturer: Hynix – Capacity: 1 x 4096 MB – Speed: PC3 12800S – Chip and module construction: 2R x 8 – technology: Unbuffered, dual channel capability Specification: DDR3 1600 MHz – Pin's: so dimm 204-pin – Cas Latency: CL – 11, Manufacturer: Hynix., capacity: 1 x 4,096 MB SK Hynix HMT451S6BFR8A 4GB 1Rx8 DDR3 SO-DIMM PC3-12800 1600MHz 204-Pin Non-ECC CL11 1.35V Laptop Memory Module HMT451S6BFR8A-PB. Model: HMT451S6BFR8A-PB_UA The highest quality (Highly compatible & reliable – for all chip sets. Original Hynix high-performance memory module., – Dual Channel, i., e.