Memory Module HP SODIMM 4GB DDR3 12800

The HP SODIMM 4GB DDR3 12800 memory module (MPN 687515-951-RFB, EAN 5715328015913) is a compact laptop RAM module engineered for use in notebooks and small form-factor PCs. This 4GB DDR3 module operates at DDR3-1600 (commonly referenced as 12800 MT/s) and is designed to improve system responsiveness and support basic multitasking in compatible HP and third-party systems. The module follows the SODIMM form factor and standard voltage for DDR3 memory, providing a straightforward upgrade path for aging systems that accept DDR3-1600 SODIMM modules.

Advantages

The HP SODIMM 4GB DDR3 12800 offers a balance of capacity and speed suitable for everyday computing tasks, enabling smoother application switching and improved boot times compared with lower-speed or lower-capacity RAM. As an original HP-branded module (MPN 687515-951-RFB), it is manufactured to meet OEM compatibility and reliability expectations. Its SODIMM size ensures compatibility with most laptops and compact desktops that accept DDR3-1600 memory modules.

Suitable for

• Upgrading older laptops to improve multitasking and system responsiveness
• Replacing faulty or missing laptop RAM in HP and compatible third-party notebooks
• Small form-factor desktops and mini-PCs that use DDR3 SODIMM slots
• Light office work, web browsing, and media playback where 4GB memory is sufficient

Key specifications

• Brand: HP
• Model: SODIMM 4GB DDR3 12800
• MPN: 687515-951-RFB
• EAN: 5715328015913
• Form factor: SODIMM (204-pin typical for DDR3 laptops)
• Capacity: 4GB
• Type and speed: DDR3-1600 (12800 MT/s)

How to use

Power off the laptop or compact PC and disconnect all power sources before installation. Open the device memory compartment according to the manufacturer’s instructions. If replacing existing RAM, gently release the retaining clips and remove the old SODIMM. Align the notch on the HP SODIMM 4GB DDR3 12800 with the slot and insert at a slight angle, then press down until the retaining clips engage. Reassemble the device, reconnect power, and verify the system recognizes the new 4GB module in the BIOS or operating system memory information screen.

Usage recommendations

For best compatibility, install memory modules of the same type, speed, and capacity in matching channels when possible. Check the device manual or HP support resources to confirm DDR3-1600 SODIMM compatibility and maximum supported memory. To maintain system stability, handle the module using anti-static precautions and avoid touching gold contacts.