Torisan CDR-S18 CD-ROM drive unit manufactured in March 1997. This internal 5.25-inch optical drive features an 8x speed rating and a classic beige faceplate suitable for vintage computing builds. It includes a front-panel headphone jack, volume control dial, and busy indicator LED. The metal casing shows standard mounting points and regulatory labels including FCC ID HVMCDR-S18. Ideal for collectors or enthusiasts maintaining legacy hardware from the late 1990s.