HPE 128GB Octal Rank x4 DDR4-2933 3DS LRDIMM P00928-B21 Device Type: Memory - DDR4 SDRAM Capacity: 128 GB Technology: DDR4 SDRAM Speed: 2933 MHz (PC4-23400) Form Factor: LRDIMM 288-pin Data Integrity Check: ECC Features: Octal rank, 3DS Load-Reduced