The Sony VAIO PCMCIA External CD-ROM Drive PCGA-CD51 is a high-quality external drive designed for laptops and PCs. With a sleek silver design, this drive is capable of reading CD-ROMs and writing CD-R and CD-RW formats at a fast 16x speed. Made by Sony, a trusted brand known for its quality products, this drive is perfect for those in need of a reliable external CD-ROM drive. Its compact size of 2.6 cm makes it easy to transport and use on the go, while its cache size of 512 MB ensures smooth operation.untested