Tripp Lite enhanced IDE (EIDE) ribbon cable connects up to two internal IDE hard drives to a controller card. This internal dual Ultra DMA/ATA ribbon supports UDMA/33, ATA/66 and ATA/100. This 18-inch cable is constructed with 80 conductor ribbon and contains three 40-pin socket connectors (one for the controller card and the other two for drives). Tripp Lite warrants this product to be free from defects in materials and workmanship for life.