The DRVP2133R upgrades are registered memory module,which conforms to JEDEC's DDR4, PC4-2133P standard.The DRVP2133LRQ is a load-reduced memory module (LRDIMM). One 4K-bit EEPROM is used for Serial Presence Detect and a combination register/PLL,with Address and Command Parity is also used.
32GB DDR4 SDRAM Memory Module