Samsung 8GB (1x 8GB) DDR3L-1600 PC3L-12800 1.35V / 1.5V SR x4 ECC Registered 240-pin RDIMM RAM Module Classification_ram-ddr2-667-rdimm-2gb-1x-dr this means you can upgrade

this means you can upgrade to Samsung brand memory without voiding your system’s original warranty

Here at RamCity we've been upgrading Mac's since 2004 and have experts ready to answer your questions

Dramatically improve performance and handle larger user and application workloads in your mission critical workstations and servers with this 1GB (1x 1GB) DDR 266 MT/s 184-pin RDIMM RAM module from Kingston

Dramatically improve performance and handle larger user and application workloads in your mission critical workstations and servers with this 32GB (2x 16GB) DDR4 2133 MT/s 288-pin EUDIMM RAM kit from Crucial

This 2GB (1x 2GB) DDR3L 1600 MT/s Dual rank 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

Samsung 8GB (1x 8GB) DDR3L-1600 PC3L-12800 1.35V / 1.5V SR x4 ECC Registered 240-pin RDIMM RAM Module Classification_ram-ddr2-667-rdimm-2gb-1x-dr this means you can upgradeProduct Overview Dramatically improve performance and handle larger user and application workloads in your mission critical workstations and servers with this 8GB (1x 8GB) DDR3L 1600 MT s 240 pin RDIMM RAM module from Samsung . This Single rank, x4 configuration RAM module 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