The low tech answer is that both should work at providing 48V at about 7 amps. Technically I have had switching power supplies that have generated noise and interfered with a 5V signal for my system. I would look closely at the sustained current output (not just max) and P-P noise ratio (should be in volts in the specs) when evaluating both of these. Choose the one with the longest sustained current output and provides the least amount of noise (lowest value).
Hope this helps.