OWC 8GB (1x 8GB) DDR3-1066 PC3-8500 1.5V DR x8 204-pin SODIMM RAM Module for Mac (or PC) Product Type_RAM KTC-PR266_512 Capacity 512MB (1x 512MB)

KTC-PR266_512 Capacity 512MB (1x 512MB) Brand Kingston Speed DDR-266 - 266MT/s - PC2100 Voltage 2

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

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

2V with a CAS Latency of CL17

Why is the speed of this RAM module shown as 1866 MT/s instead of 1866 Mhz

OWC 8GB (1x 8GB) DDR3-1066 PC3-8500 1.5V DR x8 204-pin SODIMM RAM Module for Mac (or PC) Product Type_RAM KTC-PR266_512 Capacity 512MB (1x 512MB)Product Overview This 8GB (1x 8GB) DDR3 1066 MT s Dual rank, x8 configuration RAM module for Mac (or PC) from OWC is for use in DDR3 compatible systems and operates at 1066 MT s with an overall transfer rate of PC3 8500. This RAM module 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