This is the EDGE Tech 512MB SD RAM module. It offers high power speed and reliability. The blue EDGE mark guarantees you’ve bought a top-quality memory upgrade. It meets or exceeds OEM standards and passes strict quality checks. It ensures smooth performance for heavy-duty applications. Up to 133 MHz memory speed with unbuffered signal to manage your routine software with pace and accuracy. The 144-pin SDRAM interface allows fast data transfer. This item is in new condition.