4Rx4 (Quad Rank) : Specifies the internal architecture. 10600R : Indicates a bandwidth speed of1333 MHz.
[Lot of 1 ] Micron 32GB 4RX4 PC3L-8500R-7-11-AB1 DDR3-1066 MHZ *SERVER*
Lot of 4 Samsung 32GB 4Rx4 PC3 14900L DDR3 ECC LRDIMM SDRAM M386B4G70DM0-CMA4
Samsung 32GB 4Rx4 PC3 14900L DDR3 ECC LRDIMM M386B4G70DM0-CMA3Q Server RAM
Samsung 32GB 4Rx4 PC3-14900L DDR3 1866 ECC Server Memory RAM
A-Tech 64GB 2x 32GB 4Rx4 PC4-17000L DDR4 2133 MHz ECC LRDIMM Server Memory RAM
Lot of 2 32GB Samsung DDR4-2133 ECC LRDIMM 4Rx4