Mad Dog Multimedia MD-18-ATA-3SL 18" UDMA/133 40-Pin Round IDE Cable (Silver) Mad Dog Multimedia MD-18-ATA-3SL 18" UDMA/133 40-Pin Round IDE Cable General Features: 18-inch cable length UDMA/133 data transfer rate Silver cable 40-pin, 40-wire Premium quality cable for long-term reliability Connects two IDE devices Round design improves airflow