Crucial 4GB Single DDR3 1333 MT/s (PC3-10600) CL9 Unbuffered UDIMM 240-Pin Desktop Memory Module CT51264BA1339 at Amazon.com
How to overclock your RAM?-TEAMGROUP
OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com
overclocking desktop memory module series 】recommened│TEAMGROUP