691740-001 - HP 4GB PC3-12800 DDR3-1600MHz non-ECC Unbuffered CL11 204-Pin SoDimm 1.35V Low Voltage Single Rank Memory

Technical Specs:
- Capacity: 4GB
- Memory Type: DDR3 SDRAM
- Memory Speed: 1600 MHz
- Latency Timings: CL11
- Form Factor: SO-DIMM 204-pin
- Voltage: 1.35V
- Rank: Single Rank

Helpful Notes:
1. This memory module is designed for laptops and other mobile devices that require low-voltage memory.
2. It is non-ECC and unbuffered, which means it is not designed for use in servers or other high-end computing systems.
3. The 204-pin SO-DIMM form factor is a standard size for laptop memory, so it should be compatible with most laptops that use DDR3 memory.