This auction is for the rare Apple Macintosh Video cable. Part number is 590-0621-A. This is a beige video cable for vintage Apple Monochrome Portrait Displays that have vertical or portrait orientation capabilities. The hardware on the Macintosh has a graphics card with 15-pin D-shaped Video connector with 2 parallel rows of 7 and 8 pins, and the Apple Display has wide diamond shape arrangement containing pins, as shown in the photo. Works only with supported Macintosh graphics video cards and requires System 7. This cable is 6-feet in length. This cable is not to be confused with the other 13w3 cable that has part number 590-0615-A designed for the larger 2-page Apple 21" Monochrome Display. Please check the configurations of your Apple display and graphics card prior to purchase to verify compatibility, no returns please.