ProMOS 512MB DDR2-533MHz PC2-4200 Desktop RAM Memory Module Lot. This set includes multiple memory modules suitable for upgrading or replacing desktop RAM to improve system performance. Each module features standard DDR2 technology with a 533MHz speed rating, ideal for compatible desktops.Item Specifications:- Brand / Maker: ProMOS- Material & Finish: Electronic components on standard green PCB- Color / Pattern: Green with black memory chips- Style / Design: DDR2 Desktop RAM ModuleDimensions / Size: Standard desktop DIMM size, approximately 5.25 inches (13.34 cm) lengthCondition: Good condition with minor signs of use; modules appear functional and clean with no visible damage.