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September 16th, 2019 17:00
Max allowable current draw for 8930 case fan header?
The existing fan is rated at 0.41 amps; I'm considering adding a front case fan using a y-splitter off the case fan header. What is the maximum allowable current draw for the 4-pin case fan header on the 8930 motherboard? Thanks!
HanoverB
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September 16th, 2019 19:00
https://www.dell.com/community/XPS-Desktops/XPS-8930-GPU-and-CPU-Liquid-Cooler-PSU-Case-Swap-Upgrade/m-p/6138060/highlight/true#M16396
Highest rated stock fan seen on the header is 1.5A. So safe to assume you would not want to exceed that. Your fan is well within those ratings, so adding another fan in combination is fine up to that 1.5A rating.