2 * 64GB
Testade OK

General
Capacity: 64 GB
Upgrade Type: System specific
DIMM Type: LRDIMM
DIMM Capacity: 64 GB
DIMM Rank: Quad
DIMM Native Speed (MT/s): 2133 MT/s
Voltage: 1.2 V

Memory
Type: DRAM
Technology: DDR4 SDRAM
Form Factor: LRDIMM 288-Pin
Speed: 2133 MHz (PC4-17000)
Latency Timings: CL15 (CAS-15-15-15)
Data Integrity Check: ECC
Features: Quad Rank, Load-Reduced
Module Configuration: 8192 x 72
Chips Organization: X4

https://www.storagepartsdirect.com/hpe-752373-091-64gb-quad-rank-ddr4-2133-cl15-ecc-reg-ddr4-sdram-memory/