Macintosh II – SCSI Cable (Internal) $25.00 590-0566 Internal hard drive cable Macintosh II - SCSI Cable (Internal) quantity Add to cart Add to Quote Continue Shopping Categories: SCSI Parts (Internal), Macintosh II, IIx, IIfx Description Apple internal SCSI cable, 590-0566 for one device (hard drive), approximately 11″ long. I believe this is for the Macintosh II, IIx, & IIfx