Dell A7515505 16GB PC3L-12800 1600MHz CL11 ECC DDR3 SDRAM Server Memory - Integrity Global Solutions
Samsung DDR3-1600 16GB/1Gx4 ECC/REG CL11 Samsung Chip Server Memory at Amazon.com
256GB (16 x 16GB) DDR3 PC3-10600 1333MHz ECC RDIMM Server RAM
Hynix 16GB PC3-12800 DDR3 1600MHz ECC Registered Server Memory 240-Pin Dual Rank Model HMT42GR7MFR4C-PB at Amazon.com
16GB (2X8GB) DDR3 PC3-12800 1600 NON ECC LOW DENSITY Ram BLS8G3D1609DS1S00.16FED | eBay
V7 16GB DDR3 PC3-12800 - 1600mhz 1.35V SERVER ECC REG Server Memory Module - V71280016GBR
OWC 32GB (2 x 16GB) PC10600 DDR3 ECC-R 1333MHz DIMMs Memory Compatible with Mac Pro Early 2009 & Late 2010 'Nehalem' & 'Westmere' Systems and Early 2009 Xserve. (OWC85MP3S9M032K) at Amazon.com