LENOVO Lenovo - DDR4 - module - 64 GB - DIMM 288-pin - 2933 MHz / PC4-23400 - 1.2 V - registered - ECC - for ThinkStation P520 30BE, 30BQ, 30DC, P720 30BA, 30BB, 30BU, P920 30BC, 30BD, 30BV 4X70V98063
LENOVO Lenovo - DDR4 - module - 32 GB - DIMM 288-pin - 3200 MHz / PC4-25600 - 1.2 V - registered - ECC - green - for ThinkStation P620 30E0, 30E1 4X71B67861
LENOVO Lenovo Gen2 - DDR4 - module - 32 GB - DIMM 288-pin - 3200 MHz - unbuffered - ECC - green 4X71L66408