Crucial 2GB (1x 2GB) CL7 DDR3L-1066 PC3L-8500 1.35V / 1.5V SR x8 204-pin SODIMM RAM Module for Mac (or PC) Classification_ram-ddr3l-1600-sodimm-8gb-1x-dr-fm but the effective rate is

but the effective rate is 1066 megatransfers per second (MT/s) because there are 533 million rising edges per second and 533 million falling edges per second of a clock signal running at 533 MHz

M393B1K73DH0-YF8 Capacity 8GB (1x 8GB) Brand Samsung Speed DDR3-1066 -1066MT/s - 1067MT/s - PC3-8500 Voltage 1

HYS72T128000HR-5-A Capacity 1GB (1x 1GB) Brand Infineon Speed DDR2-400 - 400MT/s - PC2-3200 Voltage 1

2V Technology DDR4 Error Correction ECC Signal Processing Registered Form Factor 288-pin RDIMM Ranks Dual rank Configuration x8 Pieces in Kit 1 Compatibility

Crucial 2GB (1x 2GB) CL7 DDR3L-1066 PC3L-8500 1.35V / 1.5V SR x8 204-pin SODIMM RAM Module for Mac (or PC) Classification_ram-ddr3l-1600-sodimm-8gb-1x-dr-fm but the effective rate isProduct Overview This 2GB (1x 2GB) DDR3L 1066 MT s Single rank, x8 configuration RAM module for Mac (or PC) from Crucial is for use in DDR3L compatible systems and operates at 1066 MT s with an overall transfer rate of PC3L 8500. This RAM module also operates at a standard voltage of 1. 35V 1. 5V with a CAS Latency of CL7, and is designed to allow you to run more applications simultaneously, switch between them faster, and provide a smoother computing