The Vintage Micron 256MB DDR PC2100 266MHz 184-Pin Desktop RAM is a single module of DDR1 SDRAM memory designed for desktop computers. Made by Micron in the United States, this RAM has a total capacity of 256MB with a bus speed of PC-2100 (DDR-266). The DIMM form factor and 184 pins make it compatible with a wide range of desktop systems, providing reliable and high-performance memory for older computers. Perfect for those looking to upgrade their system with a piece of nostalgia from the early 2000s.