This Hitachi-LG DVD writable/CD-RW drive is a reliable option for your desktop computer. With a write speed of 32x, this internal desktop drive is compatible with PCs and features an IDE, PATA/IDE/EIDE interface. It is designed in black color and has a cache size of 2 MB.This model GSA-H21N has been tested and works perfectly. It is capable of reading and writing various formats, including DVD-R, DVD-R Dual Layer, DVD+R Dual Layer, DVD-RW, DVD+RW Dual Layer, DVD-RW Dual Layer, CD-R, DVD-ROM, DVD+RW, CD-ROM, CD-RW, and DVD+R. It also has a feature of indication light and is manufactured in China.