Amazon.com: Timetec 8GB KIT(2x4GB) Compatible for Apple DDR3 1333MHz PC3-10600 for Mac Book Pro (Early/Late 2011 13/15/17 inch), iMac (Mid 2010, Mid/Late 2011 21.5/27 inch), Mac Mini(Mid 2011) RAM Upgrade : Electronics
OWC 32GB (4 x 8GB) PC3-10600 DDR3 ECC-R 1333MHz... at MacSales.com
Crucial 8GB Kit (2 x 4GB) DDR3L-1333 SODIMM Memory for Mac | CT2K4G3S1339M | Crucial.com
Apple Mac Mini 2011 4GB DDR3 1333MHz PC3-10600 Memory
4GB PC10600 DDR3 1333MHz SO-DIMM Memory Compatible with 2011 MacBook Pro, Mid 2010/2011 21.5" & 27" iMac Models, 2011 Mac Mini (OWC1333DDR3S4GB) at Amazon.com
Mac Pro Memory for Model 5.1 | DDR3 1333MHz | 4GBx8 | MacMemory.com
For Mac Pro Mb871 Mb535 Mc250 Mc561 Server Ram 8gb Ddr3 1333mhz 4gb 2rx8 Pc3-10600e Memory 8g 1333 Ddr3 Ecc Unbuffered Sdram - Rams - AliExpress
CORSAIR 16GB (2 x 8GB) 204-Pin DDR3 SO-DIMM DDR3 1333 (PC3 10600) Memory for Apple Model CMSA16GX3M2A1333C9 - Newegg.com