HP 621569-001 | 4GB DDR3-1600MHz PC3-12800 non-ECC Unbuffered CL11 204-Pin SO-DIMM 1.35V Low Voltage Memory Module

Here are the technical specs for the HP 4GB DDR3-1600MHz Memory Module:

- Memory Type: DDR3 SDRAM
- Capacity: 4GB
- Speed: 1600MHz
- Latency: CL11
- Pin Count: 204-Pin SoDimm
- Voltage: 1.35V
- ECC: Non-ECC
- Buffered/Unbuffered: Unbuffered

Helpful notes:
- This memory module is compatible with laptops and other devices that use SoDimm memory.
- The low voltage of 1.35V helps to reduce power consumption and heat generation.
- Non-ECC memory is suitable for most consumer applications, while ECC memory is more commonly used in servers and other enterprise-level systems.