This listing is for a (Lot of 2) items total. Up for auction is a lot of two Hynix DIMM memory modules. Each module has a total capacity of 1GB, consisting of four 256MB 1RX16 PC2-4200U-444-11-C1 modules. These modules have a bus speed of PC2-4200 (DDR2-533) and are compatible with a wide range of computers and motherboards. These Hynix memory modules are in excellent working condition and have been fully tested. They are perfect for upgrading or replacing existing memory modules in your computer. With their high-speed performance and reliable operation, these modules are sure to improve your computer's overall performance.