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