BD8GX21333MTR23 - Black Diamond 16GB Kit (2 x 8GB) DDR3-1333 MHz PC3-1066 ECC CL9 240-pin RDIMM 1.5V 2Rx4 Memory Module
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Crucial 16GB 2x8GB DDR3 1333Mhz PC3-10600 SO-DIMM 204pin For Mac RAM Memory Green| Techinn
Mushkin Enhanced Essentials 16GB (2 x 8GB) DDR3 1333 (PC3 10600) Desktop Memory Model 997017 Desktop Memory - Newegg.com
Timetec 16GB Kit (2 x 8GB) DDR3-1333 UDIMM - Timetecinc.com - Memory of Lifetime and Easy Upgrades