HP 4GB DDR4 2666MHz SO-DIMM (Laptop Memory)

The HP DDR4 4GB SO-DIMM is a 2666MHz laptop memory module for HP notebooks and compatible DDR4 SO-DIMM systems. It provides a straightforward memory upgrade path for HP laptops that shipped with a single 4GB module.

HP DDR4 4GB SO-DIMM — 2666MHz Laptop Memory

This SO-DIMM is a standard DDR4 laptop memory module at 2666MHz for HP notebook models. Adding this module to a laptop with one existing 4GB SO-DIMM doubles total RAM to 8GB. When both modules are identical and installed in paired slots, the system runs dual-channel, doubling memory bandwidth. The 8GB total is a practical minimum for comfortable Windows 10 and Windows 11 operation with multiple applications open. Genuine HP memory is tested and qualified for HP’s notebook platforms, reducing the risk of compatibility issues. Find the compatibility list at the HP website.

Memory Upgrades for HP Notebooks in South Africa

South African businesses that purchased HP notebooks with 4GB base RAM will find a 4GB SO-DIMM upgrade one of the most cost-effective performance improvements available. The improvement is noticeable in switching between apps, running Teams alongside Office and keeping multiple browser tabs open. Many HP ProBook 400 and notebook models include two SO-DIMM slots, making this upgrade accessible. Browse laptop memory in the Memory &amp. Storage &gt. RAM section at Briggi Tech.

Note on Dual SKUs

This SKU (3TK86AA) and the 4VN05AA SKU are both HP 4GB DDR4 2666MHz SO-DIMMs. HP sometimes offers the same module under different SKUs for different regional or OEM channels. Both are functionally equivalent modules for the same supported laptop platforms. verify the HP compatibility list for your specific laptop model before ordering either variant.

HP also offers 8GB and 16GB SO-DIMM variants for HP laptops that require higher capacity per slot. For HP ProBook 440, 450 and 460 models with two SO-DIMM slots, the most common upgrade configurations are 4GB+4GB (8GB dual-channel), 8GB+8GB (16GB dual-channel) and 16GB+16GB (32GB dual-channel) depending on the workload requirements and budget.