Increase the memory capacity of your server with this Sun 371-2142 Memory module. It features 1GB of DDR2 SDRAM capacity, with a bus speed of PC2-5300 (DDR2-667) and 240 pins. It also includes ECC memory features that allow it to detect and correct common data errors in real-time. With a form factor of DIMM and a total capacity of 1GB, it is compatible with most server systems. Upgrade your server memory capacity today with this reliable and efficient Sun memory module.