Dataram 16GB DDR4 SDRAM Memory Module - For Server - 16 GB (1 x 16GB) - DDR4-3200/PC4-25600 DDR4 SDRAM - 3200 MHz - 1.20 V - ECC - Registered - 288-pin - DIMM - Lifetime Warranty
The DRV3200R upgrades are registered memory which conform to JEDEC's DDR4-3200, PC4-3200AA standard.
One EEPROM is used for Serial Presence Detect and a combination register/PLL, with Address and Command Parity is also used.
A thermal sensor accurately monitors the DIMM module and can prevent exceeding the maximum operating temperature of 85C.
Lenovo ThinkSystem SR635 Server