Samsung 4GB (2x 2GB) DDR3-1066 PC3-8500 1.5V DR x8 240-pin UDIMM RAM Kit Brand_Kingston This RAM kit runs at

This RAM kit runs at 266MHz per second

This 8GB (1x 8GB) DDR4 2133 MT/s Dual rank RAM module from Crucial is for use in DDR4 compatible systems and operates at 2133 MT/s with an overall transfer rate of PC4-17000

This is the only way we could guarantee consistency of quality

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

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

Samsung 4GB (2x 2GB) DDR3-1066 PC3-8500 1.5V DR x8 240-pin UDIMM RAM Kit Brand_Kingston This RAM kit runs atProduct 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