Elpida 4GB (1x 4GB) CL11 DDR3-1600 PC3-12800 1.5V 240-pin UDIMM RAM Module Classification_ram-ddr3-1066-sodimm-4gb-2x-dr-fm 2xM393B5170EH1-CH9 Capacity 8GB (2x 4GB)

2xM393B5170EH1-CH9 Capacity 8GB (2x 4GB) Brand Samsung Speed DDR3-1333 - 1333MT/s - PC3-10600 Voltage 1

This RAM module has been specially designed and proven in OWC's lab and is guaranteed to meet or exceed all Apple specifications

here’s what the manufacturer warranties say:

This is the only way we can guarantee quality

2xHMT125U6TFR8C-H9 Capacity 4GB (2x 2GB) Brand Hynix Speed DDR3-1333 - 1333MT/s - PC3-10600 Voltage 1

Elpida 4GB (1x 4GB) CL11 DDR3-1600 PC3-12800 1.5V 240-pin UDIMM RAM Module Classification_ram-ddr3-1066-sodimm-4gb-2x-dr-fm 2xM393B5170EH1-CH9 Capacity 8GB (2x 4GB)Product Overview This 4GB (1x 4GB) DDR3 1600 MT s RAM module from Elpida is for use in DDR3 compatible systems and operates at 1600 MT s with an overall transfer rate of PC3 12800. This RAM module also operates at a standard voltage of 1. 5V with a CAS Latency of CL11, 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.