Crucial 4GB (1x 4GB) DDR3L-1600 PC3L-12800 1.35V / 1.5V SR x8 240-pin UDIMM RAM Module Model_iMAC_18_2 x8 configuration RAM module from

x8 configuration RAM module from Samsung is for use in DDR2 compatible systems and operates at 400 MT/s with an overall transfer rate of PC2-3200

This 8GB (1x 8GB) DDR3 1600 MT/s Dual rank

5V Technology DDR3 Error Correction Non-ECC Signal Processing Unbuffered Form Factor 204-pin SODIMM Ranks Dual rank Configuration 16-chip 512Mx8 Pieces in Kit 2 Compatibility

M470T2953CZ3-CE6 Capacity 1GB (1x 1GB) Brand Samsung Speed DDR2-667 - 667MT/s - PC2-5300 Voltage 1

Crucial 4GB (1x 4GB) DDR3L-1600 PC3L-12800 1.35V / 1.5V SR x8 240-pin UDIMM RAM Module Model_iMAC_18_2 x8 configuration RAM module fromProduct Overview This 4GB (1x 4GB) DDR3L 1600 MT s RAM module from Crucial is for use in DDR3L compatible systems and operates at 1600 MT s with an overall transfer rate of PC3L 12800. This RAM module also operates at a standard voltage of 1. 35V 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. CT51264BD160BJ Capacity