Amazon.com: OWC 4GB DDR3 ECC PC10600 1333MHz DIMM Memory Upgrade Module Compatible with Mac Pro 2009-2012 (OWC1333D3ECC4GB) : Everything Else
Samsung 4GB DDR3 1333MHz Unbuffered SODIMM 4GB DDR3 1333MHz Memory Module – Memory Module (DDR3, Laptop, 204-pin SO-DIMM, 2 x 2 GB, SO-DIMM, 512Mx64) at Amazon.com
Samsung 4GB DDR3 Memory SO-DIMM 204pin PC3L-12800S 1600MHz M471B5273CH0-YK0 at Amazon.com
OWC 8 GB (2 X 4GB) ram PC8500 DDR3 1066MHz sodimm 204-pin Memory Upgrade Kit, (OWC8566DDR3S8GP), Compatible with MacBook Pro, MacBook, Mac Mini and iMac at Amazon.com
A-Tech 16GB (4x4GB) DDR3 1600MHz PC3-12800 CL11 DIMM 240-Pin Non-ECC UDIMM Desktop RAM Memory Modules at Amazon.com
A-Tech 4GB DDR3 1600MHz PC3-12800 CL11 DIMM 240-Pin Non-ECC UDIMM Desktop RAM Memory Module at Amazon.com
New! 4GB DDR3 PC10600 1333MHz PC3-10600 SODIMM Laptop Memory at Amazon.com
DDR3 Desktop RAM, 4GB 1333Mhz High Frequency DDR3 240PIN PC3-10600 Computer Memory RAM 1.5V for Intel/ AMD at Amazon.com
Kingston Value RAM 4GB 1333MHz PC3-10600 DDR3 Non-ECC CL9 SODIMM SR X8 Notebook Memory (KVR13S9S8/4) at Amazon.com
Samsung 4GB PC3-10600U DDR3 1333MHz DIMM 240 Pin Memory M378B5273DH0-CH9 at Amazon.com
4GB (1x4GB) DDR3-1333MHz PC3-10600 2Rx8 SODIMM Laptop Memory by NEMIX RAM at Amazon.com
Motoeagle DDR3 1333MHz SODIMM 4GB 2Rx8 PC3-10600 10600S 204 Pin 1.5V Laptop RAM Memory at Amazon.com
A-Tech 4GB DDR3 1600MHz PC3-12800 CL11 DIMM 240-Pin Non-ECC UDIMM Desktop RAM Memory Module at Amazon.com
Crucial RAM 4GB DDR3 1600 MHz CL11 Desktop Memory CT51264BD160B at Amazon .com
A-Tech 8GB (2x4GB) DDR3 1600MHz PC3-12800 CL11 DIMM 240-Pin Non-ECC UDIMM Desktop RAM Memory Modules at Amazon.com
Kingston 4GB 1600MHz PC3-12800 1.35V SODIMM DDR3L Memory at Amazon.com
OFFTEK 4GB Replacement Memory RAM Upgrade for Apple MacBook Pro 2.5GHz Intel Core i5 - (13-inch) (DDR3) (Mid-2012) (DDR3-12800) Laptop Memory at Amazon.com
SK Hynix 4GB HMT451S6AFR8A-PB DDR3 1Rx8 PC3L-12800S Laptop Memory at Amazon .com
Amazon.com: Yongxinsheng 1333MHz 4GB DDR3 Ram Desktop PC3-10600 UDIMM Non-ECC Unbuffered 1.5V 2Rx8 Dual Rank 240-Pin CL9 PC Computer Memory Upgrade Module (Black) : Everything Else
Kingston ValueRAM 4 GB Kit (2x2 GB Modules) 1333MHz PC3-1066 DDR3 DIMM Desktop Memory KVR1333D3N9K2/4G at Amazon.com
Crucial 4GB Single DDR3 1333 MT/s (PC3-10600) CL9 Unbuffered UDIMM 240-Pin Desktop Memory Module CT51264BA1339 at Amazon.com
Amazon.com: Crucial RAM 4GB DDR3 1600 MHz CL11 Laptop Memory CT51264BF160B : Everything Else
Samsung ram Memory 4GB (1 x 4GB) DDR3 PC3-12800,1600MHz, 204 PIN, SODIMM for laptops at Amazon.com
Patriot 1.35V 4GB DDR3 1600MHz PC3-12800 CL11 SODIMM Memory PSD34G1600L2S at Amazon.com
Samsung original 4GB, 204-pin SODIMM, DDR3 PC3L-12800, ram memory module for laptop ( M471B5173QH0-YK0 ) at Amazon.com
