SpectraLogic tape libraries are insanely great. IMO they're the best available. Unfortunately they're quite expensive, sensibly more than Overland equivalent. A

SpectraLogic tape libraries are insanely great. IMO they're the best available. Unfortunately they're quite expensive, sensibly more than Overland equivalent. An Overland Neo 8000e should cost about 60000 bucks, to which you must add 350 60$ LTO-5 tapes. However the power usage cost will be negligible, while 500 TB of drives will burn more than its price in power and AC every year.