Kingston 4GB 1600MHz PC3-12800 1.35V SODIMM DDR3L Memory at Amazon.com
OWC 8GB PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 Memory Module Upgrade Compatible with iMac, Mac Mini, and MacBook Pro (OWC1600DDR3S8GB) at Amazon .com
Kingston Technology 32GB Kit of 4 (4 x 8GB) DDR3 1600MHz PC3-12800 ECC DIMM Memory for Select HP/Compaq Desktops KTH-PL316EK4/32G at Amazon.com
Kingston ValueRAM 8GB 1600MHz DDR3 Non - ECC CL11 DIMM STD Height 30mm Desktop Memory KVR16N11H/8 at Amazon.com
Kingston Technology 8GB DDR3 1600MHz PC3-12800 ECC DIMM Memory for Select HP/Compaq Desktops KTH-PL316E/8G at Amazon.com
Kingston Hyper X Blu 8 GB (2x4GB Modules) 1600MHz DDR3 Non-ECC CL9 XMP Desktop Memory - KHX1600C9D3B1K2/8GX at Amazon.com