Kingston Value (KVR16N11S8/4) RAM 4GB 1600MHz PC3-12800 DDR3 Non-ECC CL11 DIMM SR x8 Desktop Memory at Amazon.com
Patriot Viper 3 Series, Black Mamba, DDR3 8GB (2 x 4GB) 1600MHz Dual Channel Kit (PV38G160C9K) at Amazon.com
Crucial 4GB Single DDR3 1600 MT/s PC3-12800 CL11 Unbuffered UDIMM 240-Pin Desktop Memory Module CT51264BA160B at Amazon.com
OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com
4GB (1x4GB) DDR3-1600MHz PC3-12800 Non-ECC UDIMM 2Rx8 Desktop Memory Module by NEMIX RAM at Amazon.com
4GB Memory for Dell Optiplex 7020 Small Form Factor (SFF) DDR3 PC3-12800 1600 MHz Non-ECC DIMM RAM (PARTS-QUICK Brand) at Amazon.com
MICRON MT18KDF51272PDZ-1G6M1HF PC3L-12800R DDR3 1600 4GB ECC REG 2RX8 VLP (for Server ONLY) at Amazon.com
G.SKILL Ripjaws Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model (F3-12800CL9D-8GBRL) at Amazon.com