Probably the Ross Sparcplug, a full-fledged Sparcstation 20 compatible that fit into a full height 5.25" bay: https://computers.popcorn.cx/ross/sparcplug/ https

Probably the Ross Sparcplug, a full-fledged Sparcstation 20 compatible that fit into a full height 5.25" bay: https://computers.popcorn.cx/ross/sparcplug/ https://computers.popcorn.cx/ross/sparcplug/