HP Enterprise RAM Memory 32GB DDR4 DIMM 840758-091 2666MHz RegisteredHP Enterprise 32GB 288 pin DDR4 DIMM DIMM, 32GB PC4 2666V R, 2GX4 RU 32GB PC4 2666V R registered synchronous dynamic RAM (SDRAM) 2Gx4, operating in double data rate mode (DDR4), packaged in a dual in line memory module (DIMM) organized as 4Gx72. Specifications for 840758 091 Features Buffered Memory Type Registered (Buffered) CAS Latency 19 Intended For Server ECC Yes Internal Memory 32 GB Internal Memory Type DDR4 Memory Clock Speed 2666 MHz Memory