The Astra Gear Memory AHD19S8G26S DDR4 8GB RAM module is a UDIMM form factor memory stick with a total capacity of 8GB, divided across one module. This DDR4 SDRAM RAM module operates at a bus speed of PC4-21300 (DDR4-2666), making it suitable for enhancing the memory capacity of a computer for various tasks. With a reliable brand like Astra Gear, this RAM module offers a tested solution for boosting system performance and multitasking capabilities.