Samsung 4GB (2x 2GB) DDR3-1066 PC3-8500 1.5V DR x8 240-pin UDIMM RAM Kit Brand_Kingston This is the only way

This is the only way we could guarantee consistency of quality

x8 configuration RAM module for Mac (or PC) for use in DDR3L compatible systems and operates at 1333 MT/s with an overall transfer rate of PC3L-10600

M393B1K73CHD-YF8 Capacity 8GB (1x 8GB) Brand Samsung Speed DDR3-1066 -1066MT/s - 1067MT/s - PC3-8500 Voltage 1

This RAM kit runs at 266MHz per second

Samsung 4GB (2x 2GB) DDR3-1066 PC3-8500 1.5V DR x8 240-pin UDIMM RAM Kit Brand_Kingston This is the only wayProduct Overview This 4GB (2x 2GB) DDR3 1066 MT s Dual rank, x8 configuration RAM kit from Samsung is for use in DDR3 compatible systems and operates at 1066 MT s with an overall transfer rate of PC3 8500. This RAM kit also operates at a standard voltage of 1. 5V and is designed to allow you to run more applications simultaneously, switch between them faster, and provide a smoother computing experience. Technical Specifications Part No. 2xM378B5673FH0