G.SKILL FA-1333C9S-8GSQ, Single Channel Mac Sodimm, 204-Pin DDR3 SO-DIMM, For MacBook Pro, iMac, Mac mini, 8GB, Speed DDR3 1333 (PC3 10600), Cas Latency 9, 1.5V. Designed for Apple’s Mac systems, the G.SKILL DDR3 SO-DIMM for Mac series is hand-tested for compatibility, reliability, and stability - all in the G.SKILL memory tradition.