The HPE 868843-001-RFB is a refurbished server memory module for expanding memory in supported HPE ProLiant systems. It is a single 32GB DDR4 ECC registered DIMM, with a 2Rx4 organization and PC4-21300 / 2666 MHz speed.
The registered ECC design is intended for server memory configurations that use this module type. The listing identifies the ProLiant DL 325 G10 and DL385 G10 as intended systems. It specifies CAS latency 19, a 1.2 V operating voltage and a 288-pin connector. The listed manufacturer model is 838083-B21.