Your best bet is probably going for a Banana Pi board - they come with SATA to attach SSDs to. It's a close contender to the RaPi, but the software support isn'

Your best bet is probably going for a Banana Pi board - they come with SATA to attach SSDs to. It's a close contender to the RaPi, but the software support isn't 100% though. I've got one myself as an attempted NAS device. It worked 'ok', wouldn't advise it as full-time thing though, these things don't provide the AC nor CPU power to perform such tasks.