SK hynix HMA851S6DJR6N-VK_UB accessory

SK hynix 4 GB DDR4 SO-DIMM

This 4 GB DDR4 SO-DIMM module is built for laptops that accept 260-pin memory. It suits owners who need a straightforward capacity increase for everyday tasks such as web browsing, document editing and light multitasking. The Non-ECC design matches standard consumer notebook requirements.

DDR4-2666 PC4-21300 interface limits

The module runs at 2666 MHz with CL19 latency on the PC4-21300 bus. This speed ceiling is set by the DDR4 standard at this frequency; systems that only support lower DDR4 speeds will down-clock the module automatically. Platforms requiring ECC or registered DIMMs cannot use this stick.

4 GB capacity and headroom

A single 4 GB rank handles typical office workloads and streaming video without paging. Heavier workloads such as modern gaming, video editing or running multiple virtual machines will exhaust the available memory quickly. Buyers who want more storage for large datasets or need higher bandwidth for integrated graphics should look elsewhere.