Free Tools
Free, no-signup tools for planning your smart-home and network gear — using the IEEE 802.3 standards, not guesswork.
PoE Power Budget Calculator Add up your Power-over-Ethernet devices, compare the draw against your switch budget, and see your remaining headroom before you overload it. Open tool → RAID Capacity Calculator Pick your drive count, size and RAID level to see usable capacity, how many drives can fail, and how much space the redundancy costs — RAID 0/1/5/6/10 and JBOD. Open tool → Device Running-Cost Calculator Enter a device’s power draw, hours per day and your electricity rate to see what it really costs to run — per day, month and year, plus kWh used. Open tool →