Nanya 8GB 2X4GB DDR3 2RX8 1600MHz PC3-12800S 204pin SODIMM Laptop Memory RAM 

Specifications

Manufacturer Nanya
Part Number NT4GC64B8HG0NS-DI
Capacity 2X4GB
Version 2Rx8 PC3-12800S
Configuration Single 4GB Stick
Memory Range Laptop / Notebook SODIMM
Format DDR3
Speed PC3-12800S
Bus Clock 1600MHz
Memory Timings CL11
Form Factor 204 pin SODIMM
Pin/Connector Material Gold
Error Correction None (Non ECC)
Buffering None (Unbuffered)

please check your devices compatiblity before purchase