Rely on Kingston memory for your Apple notebook or desktop. It’s guaranteed to be compatible with your Apple machine & delivers a great cost-performance benefit with better multitasking, smoother video streaming & better processing power. Kingston uses only the highest quality components to ensure maximum performance & reliability. Then each module is designed, manufactured, tested & tailored to maximise the performance of a specific Apple computer system. For added peace of mind, Kingston memory is backed by free technical support, a lifetime warranty & legendary Kingston reliability. DDR3 is the third generation of Double Data Rate (DDR) SDRAM memory. Similar to DDR2, it is a continuing evolution of DDR memory technology that delivers higher speeds (up to 1600 MHz), lower power consumption & heat dissipation. It is an ideal memory solution for bandwidth hungry systems equipped with dual & quad core processors & the lower power consumption is a perfect match for both server & mobile platforms. Dual In-line Memory Modules, or DIMMs, closely resemble SIMMs. Like SIMMs, most DIMMs install vertically into expansion sockets. The principal difference between the two is that on a SIMM, pins on opposite sides of the board are tied together to form one electrical contact; on a DIMM, opposing pins remain electrically isolated to form two separate contacts. Supported Systems Apple: Mac mini Core i 5 2.3/2.5 (Mid 2011) Mac mini Core i 7 2.0/2.7 (Mid 2011) Mac mini Server Core i 7 2.0/2.7 (Mid 2011) Mac Book Pro 13-inch (Early 2011) Mac Book Pro 13-inch (Late 2011) Mac Book Pro 15-inch (Early 2011) Mac Book Pro 15-inch (Late 2011) Mac Book Pro 17-inch (Early 2011) Mac Book Pro 17-inch (Late 2011)