Amazon.com: Corsair CMK8GX4M2A2400C14 Vengeance® LPX 8GB (2x4GB) DDR4 DRAM 2400MHz (PC4-19200) C14 Memory Kit - Black : Electronics
497767-B21 HP 8GB PC2-6400 DDR2 SDRAM 2X4GB Memory
8GB (2x4GB Kit) RAM DDR3 1600 MHz
CMS 8GB (2X4GB) DDR3 10600 1333MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Pavilion Notebook Dm1Z Series Ddr3 Only - C22 System Specific Memory - Newegg.com
Corsair CMSA8GX3M2A1333C9 Mac Memory, 8GB (2x4GB) DDR3 1333MHz SODIMM
Corsair CMK8GX4M2A2400C16 Vengeance LPX 8GB (2x4GB) DDR4 DRAM 2400MHz (PC4 19200) C16 Memory Kit - Black at Amazon.com