Reduces noise and vibration with DVA(Dynamic Vibration Absorber). Reduces vibration with ABS(Automatic Ball Balancing System) Total Price Data Transfer Rate CD: Max 52X (7800KB/sec) Burst Transfer Rate PIO Mode 4 (16.6MB/sec) DMA Mode 2 (16.6MB/sec) Average Access Time 80ms Supported Disc CD-R,CD-RW,CD-DA, CD-ROM, CD-ROM/XA,Video-CD, CD-I, Photo CD, CD-Extra, CD-TEXT Buffer Memory 128KB Dimensions(WxHxD mm) 148.2 x 42 x 184 Weight (kg) 0.74