The Quantum TR-S23BB-EY is available from Calhoun Technologies. Calhoun Tech can help your company save up to 80% on IT Hardware. Manufacturer: Quantum Part Number: TR-S23BB-EY Details: Quantum Tr-S23Bb-Ey Quantum Tr S23Bb Ey 160 320Gb Sdlt 320 External Hvd Scsi Tap