====== Rebel Backplane ====== **Rebel RB50E and RB500E** Expansion backplane systems for the QL by Rebel Electronics Ltd of Leeds, England. The RB50E was a four way buffered backplane for the QL, uncased. The RB500E was a similar four slot expansion device, but boxed, and costing around twice as much. Both devices were general purpose four way expansion device, but launched to go with the [[qlwiki:Rebel Hard Disk]] system.