The HMA81GS6AFR8N-VK is a high-performance 8GB DDR4 memory module from SK hynix designed for use in laptops and compact PCs. It operates at a frequency of 2666 MHz, providing a superb balance of speed and power efficiency. This module features a 1Gx64 SODIMM design in a 1Rx8 configuration, which means it has a single rank composed of eight 1Gbit components. The 260-pin SODIMM format ensures compatibility with most modern laptops and small form factor PCs that require DDR4 type memory. The HMA81GS6AFR8N-VK is engineered to enhance system performance by increasing the speed of data transfer between the memory and the processor, thereby reducing application load times and improving the ability to multitask effectively. SK hynix's commitment to quality and reliability makes this memory module a popular choice among users looking to upgrade their system.