RAM & Memory Upgrades
Crucial CT2K4G3S160BM 8 GB Kit (4 GBx2) (DDR3/DDR3L, 1600 MT/s, PC3-12800, SODIMM, 204-Pin) Memory for Mac
Increases Mac system performance Compatible with Mac systems All DDR3 and newer modules are lead and halogen-free Every single module extensively tested at the component and module level Available in SODIMMs, RDIMMs and ECC UDIMMs
https://www.bizrate.co.uk/ram_memoryupgrades/crucial-ct2k4g3s160bm-8-gb-kit-oid6611077069.html