Kingston 512MB PC2-4200 Unbuffered 214-pin Micro-DIMM Capacity_2GB x4 configuration RAM module is

x4 configuration RAM module is for use in DDR3 compatible systems and operates at 1066 MT/s with an overall transfer rate of PC3-8500

x8 configuration RAM module for Mac (or PC) from Crucial is for use in DDR3L compatible systems and operates at 1600 MT/s with an overall transfer rate of PC3L-12800

M471B5173QH0-YK0 Capacity 4GB (1x 4GB) Brand Samsung Speed DDR3L-1600 - 1600MT/s - PC3L-12800 Voltage 1

2xM393B2K70CM0-CF8 Capacity 32GB (2x 16GB) Brand Samsung Speed DDR3-1066 -1066MT/s - 1067MT/s - PC3-8500 Voltage 1

2xM393B2G70DB0-YK0 Capacity 32GB (2x 16GB) Brand Samsung Speed DDR3L-1600 - 1600MT/s - PC3L-12800 Voltage 1

Kingston 512MB PC2-4200 Unbuffered 214-pin Micro-DIMM Capacity_2GB x4 configuration RAM module isThis 512MB (1x 512MB) DDR2 533 MT s RAM module from Kingston is for use in DDR2 compatible systems and operates at 533 MT s with an overall transfer rate of PC2 4200. This RAM module also operates at a standard voltage of 1. 8V and is designed to allow you to run more applications simultaneously, switch between them faster, and provide a smoother computing experience. Compatibility You can verify the compatibility of this RAM module in a number of