The Brocade XBR-000228 is available from Calhoun Technologies. Calhoun Tech can help your company save up to 80% on IT Hardware. Manufacturer: Brocade Part Number: XBR-000228 Details: Brocade XBR-000228 57-0000090-01. 4x16G FC SWL QSFP 50m Transceiver For Use