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PoE switches now show how much of their power budget is in use. The device page, on a desktop and on a phone, has a PoE Budget card: watts delivered against watts available, and how many PoE ports are actually feeding something.
The available watts come from the model's datasheet, since RouterOS does not report a budget. For switches with an internal power supply that is a fixed figure; for switches you power yourself it is calculated from the current limit and the supply voltage the device reports, so a CRS112 on 28 V and the same switch on 53 V get different, correct ceilings. A CRS320 reads how many of its two power supplies are fitted and adjusts.
CRS328-24P also shows its per-block limit. Its 24 ports are three independent groups of 150 W, so it draws a bar per group — a switch well under its 450 W total can still run a group out of power.
You can set the budget by hand on any device, for a non-standard power supply. Leave it empty to use the datasheet figure.
Models not in the table show the measured draw with no bar, rather than a borrowed number that would look just as real.
Fixed
A PoE switch reported the power going out to PoE devices as its own power consumption. On a CRS320 the device page showed 28.5 W where the board was really drawing 59.6 W. The two are now separate readings, on SSH, REST and SNMP alike.