Part No: 641369-005 - HP 4GB PC3-12800 DDR3-1600MHz non-ECC Unbuffered CL11 204-Pin SoDimm Dual Rank Memory Module

Capacity: 4GB (1 stick of 4GB)
Speed: 1600MHz
Memory Standard: PC3-12800
CAS Latency: Typically CL11 (standard for 1600MHz speed)
ECC (Error-Correcting Code): Non-ECC (does not provide error correction, suitable for consumer-grade systems)
Buffering: Unbuffered (direct connection to the memory controller, ideal for laptops and compact desktops)
Form Factor: 204-Pin SoDIMM (Small Outline Dual Inline Memory Module)
Compatibility: Designed for use in laptops and other systems supporting DDR3-1600 memory