HP 721101-001 - 16GB (1X16GB) 1600Mhz 2RX4 PC3-12800R ECC Registered Memory Sale $79.00 Retail $129.00
HP 715274-001 - 16GB 1866Mhz PC3-14900R 2RX4 DDR3 ECC Registered Server Memory Sale $65.00 Retail $99.00