HP 16GB DDR5 SDRAM Memory Module - 4M9Y0AAGeneral Information Manufacturer: HP Inc. Manufacturer Part Number: 4M9Y0AA Manufacturer Website Address: http: www. hp. com Brand Name: HP Product Name: 16GB DDR5 SDRAM Memory Module Product Type: RAM Module Technical Information Memory Size: 16 GB Memory Technology: DDR5 SDRAM Memory Voltage: 1. 10 V Number of Modules: 1 x 16GB Memory Speed: 4800 MHz Memory Standard: DDR5 4800 PC5 38400 Memory Rank: Single rank Error Checking: Non ECC Signal