8GB, 204-Pin SODIMM, DDR3 PC3-10600,

CT8G3S1339M is a single 8 GB DDR3 1.35V Notebook module that operates at speeds up to 1333 MT/s and has a CL9 latency. It is dual voltage and can operate at 1.35-Volt or 1.5-Volt. It is Unbuffered and is non-ECC. It conforms to the industry standard SODIMM layout of 204-Pins and is compatible with computers that take DDR3 SODIMM memory.
This is mac specific part that is compatible with the following models of Apple computers:
Mac mini (Intel Core i5 2.3Ghz) DDR3 - Mid 2011
Mac mini (Intel Core i5 2.5Ghz) DDR3 - Mid 2011
Mac mini (Intel Core i7 2.0Ghz) DDR3 - Mid 2011
Mac mini (Intel Core i7 2.7Ghz) DDR3 - Mid 2011
Mac mini (Mid 2011)
Mac mini Server (Mid 2011)
MacBook Pro (13-inch, Early 2011)
MacBook Pro (13-inch, Late 2011)
MacBook Pro (15-inch, Early 2011)
MacBook Pro (15-inch, Late 2011)
MacBook Pro (17-inch, Early 2011)
MacBook Pro (17-inch, Late 2011)
MacBook Pro 2.0GHz Intel Core i7 (15-inch DDR3) Early-2011
MacBook Pro 2.2GHz Intel Core i7 (15-inch DDR3) Early-2011
MacBook Pro 2.2GHz Intel Core i7 (17-inch DDR3) Early-2011
MacBook Pro 2.2GHz Intel Quad-Core i7 (15-inch DDR3) Late-2011
MacBook Pro 2.3GHz Intel Core i5 (13-inch DDR3) Early-2011
MacBook Pro 2.3GHz Intel Core i5 (15-inch DDR3) Early-2011
MacBook Pro 2.3GHz Intel Core i5 (17-inch DDR3) Early-2011
MacBook Pro 2.3GHz Intel Core i7 (15-inch DDR3) Early-2011
MacBook Pro 2.3GHz Intel Core i7 (17-inch DDR3) Early-2011
MacBook Pro 2.4GHz Intel Core i5 (13-inch DDR3) Late-2011
MacBook Pro 2.4GHz Intel Quad-Core i7 (15-inch DDR3) Late-2011
MacBook Pro 2.4GHz Intel Quad-Core i7 (17-inch DDR3) Late-2011
MacBook Pro 2.5GHz Intel Quad-Core i7 (15-inch DDR3) Late-2011
MacBook Pro 2.5GHz Intel Quad-Core i7 (17-inch DDR3) Late-2011
MacBook Pro 2.7GHz Intel Core i7 (13-inch DDR3) Early-2011
MacBook Pro 2.8GHz Intel Core i7 (13-inch DDR3) Late-2011
iMac (21.5 and 27-inch, Mid 2011)
iMac (21.5-inch, Late 2011)
iMac 2.5GHz Intel Quad-Core i5 (21.5-inch - DDR3) Mid 2011
iMac 2.7GHz Intel Quad-Core i5 (21.5-inch - DDR3) Mid 2011
iMac 2.7GHz Intel Quad-Core i5 (27-inch - DDR3) Mid 2011
iMac 2.8GHz Intel Quad-Core i7 (21.5-inch - DDR3) Mid 2011
iMac 2.8GHz Intel Quad-Core i7 (27-inch - DDR3) Mid 2011
iMac 3.1GHz Intel Dual-Core i3 (27-inch - DDR3) Late 2011
iMac 3.1GHz Intel Quad-Core i5 (27-inch - DDR3) Mid 2011
iMac 3.4GHz Quad-Core Intel-Core i7 (27-inch - DDR3) Mid 2011