This product is a lot of six 1GB DDR-400 PC3 desktop RAM memory modules from various brands. The modules have a total capacity of 4.75GB, with each module being 1GB. The memory features include desktop RAM and the bus speed is PC-3200 (DDR-400). The model is Kingston FURY Beast, known for its high performance and reliability in enhancing computer speed and efficiency. Ideal for upgrading or replacing current RAM modules, this lot offers a variety of brands and a reliable brand like Kingston for improved system performance.