HPE 850882-001 - 64 GB - 1 x 64 GB - DDR4 - 2666 MHz - 288-pin DIMM PC4-2666V-L - registered synchronous dynamic random access memory (SDRAM) 2Gx4 - operated in a dual data rate (DDR4) mode - packaged in a dual in-line memory module (DIMM) organized as 8G