Disk 18.2GB, SBB, 10k, blue 3R-A0400-AA 1 -SA(SB) The BAll-SA master box contains a 4-by-9 slot backplane with 22-bit addressing on slots A/B only. The backplane accepts up to nine dual- or nine quad-height modules and is compatible with the RLV21 and the Disk 18.2GB, Disk 18.2GB, SBB, 10k, blue 3R-A0400-AA, 10k, blue 3R-A0400-AA options. Dimensions are 13.2 by 48.3 by 57.8 cm (5.2 by 19 by 22.7 in). The power supply comes with a master console and provides 36 amps ® 5 V and 5 amps ® 12 V. BA11-SE Same as BA11-SA but without a master console. Disk 18.2GB, SBB, 10k, blue 3R-A0400-AA-A The Disk 18.2GB, SBB, 10k, blue 3R-A0400-AA master box contains a 4 by 8 22-bit address back- plane. Slots one through three provide 22-bit addressing on slots A/B only and slots four through eight provide 22-bit addressing on slots A/B and C/D. Up to eight quad-height, or three quad-height and ten dual-height modules, can be mounted. The BA23 has mounting space for one RD51/RD52 and/or one RX50 mass-storage device. Disk 18.2GB, SBB, 10k, blue 3R-A0400-AA Disk 18.2GB, SBB, 10k, blue 3R-A0400-AA-A tabletop/pedestal enclosure. Disk 18.2GB, SBB, 10k, blue 3R-A0400-AA Disk 18.2GB, SBB, 10k, blue 3R-A0400-AA-A rackmount enclosure. Disk 18.2GB, SBB, 10k, blue 3R-A0400-AA BA23-A expansion enclosure.