ALL HAVE BEEN TESTED & ARE IN WORKING CONDITIONS SOLD INDIVIDUAL AND NOT AS A PAIR! The product is a single 8GB DDR4-3200 SO-DIMM memory module by Micron, with a total capacity of 8GB. This memory module has a bus speed of PC4-3200AA and 260 pins, designed for high performance and compatibility with a wide range of devices. It is ideal for upgrading or replacing existing memory modules in laptops or other compact devices that require SO-DIMM memory technology. The model number for this product is MTA4ATF1G64HZ-3G2B2, ensuring a reliable and consistent product from a trusted brand.