I've been searching for a NAS solution for about a year, initially eyeing up Synology and QNAP. But these options seemed to fall short in one way or another. The consumer grade boxes tend to lack upgradability. And some features require additional licensing fees, such as with security...

I'm about to buy ML10 with E3 1225v5, but I'd like to do some checking before final decision. - I plan to use 5 disks, is it necessary to buy HP's kit to fit the 5th disk, or can it be fixed without it? Are sata power cables standard? - is there enough airflow or should I buy some extra fan...