Quick view Sun 501-4440 A1000/D1000 1x12 SCSI Backplane Specs: Sun A1000/D1000 1x12 SCSI Backplane PN: 501-4440 The 501-4440 is a fully tested Sun A1000/D1000 1x12 SCSI Backplane. The 501-4440 has been fully refurbished by Serverworlds.com. The 501-4440 will be... MSRP: Was: Now: $35.00 Add to Cart