4 ms·
You shouldn't pull more than ~1 to 2A from a motherboard fan header which means you can probably only have 1-2 fans per fan header. Also controlling the motherb
by KingMachiavelli 5y ago
You shouldn't pull more than ~1 to 2A from a motherboard fan header which means you can probably only have 1-2 fans per fan header. Also controlling the motherboard fan headers from the OS is always finicky (most BIOS are utter garbage anyway). This USB adapter pulls power directly from the PSU so it can have 5+ fans and can be more easily controlled from the OS. This specific one can also control some LED strips, etc.
TBH it's not really necessary but people like to have it.
- rale00 5y agoI guess it depends on what fans you're running, but 1 A should be enough for at least 3 of the most commonly used ones. Noctua lists max input current for all their fans, and even the high speed industrial ones are only 0.18 A.
- timpattinson 5y agoI don't know of any PC fan which draws more than 0.2A, apart from server fans.
- tuatoru 5y agoStartup, stall and low-speed currents can be higher than rated becase there is less back-emf.