HP 4M9Y2AA is a desktop memory module for adding or upgrading system memory in a compatible computer. It provides 32 GB of DDR5 memory in one UDIMM module, with a listed speed of 4800. HP identifies it as NECC, or non-ECC memory.
The module measures 133.35 × 31.25 × 2.67 mm. HP lists the Pro Small Form Factor 400 G9 Desktop PC and Elite SFF 800 G9 Desktop PC among compatible systems, giving a useful reference for supported HP configurations.
Box contents: one memory module, a warranty card, an installation guide and product notices.