Seasonic X-Series SS-460FL: 460 Watts of Fanless Power
by Martin Kaffei on October 20, 2010 12:01 AM EST- Posted in
- Cases/Cooling/PSUs
- Seasonic
- PSUs
- X-460
- Fanless
Ripple and Noise
The voltage quality is absolutely flawless. Small transients are no big deal and all the rails are always below 20mV ripple. +3.3V and +5V show no more than 12mV, and +12V is even better.
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Haravikk - Friday, December 27, 2019 - link
Don't know why I never posted a comment sooner, but I got one of these ages ago, and it's still going strong over six years later.It's been used in two different builds now, and currently in use for a small form factor gaming PC, in a Rajinteck Metis case, which mounts the full-sized ATX PSU vertically at the front. While I'm not going fanless, this arrangement actually works really well for this PSU, as my CPU cooler is able to draw air in through the PSU before exhausting it out the back, which is fine, as with the PSU's high efficiency it doesn't generate much heat at all, and I have just a single fan cooling everything currently in my system, making it nice and quiet.
In future I'll be adding discrete graphics (I've gotten a lot of mileage out the Ryzen with Vega's onboard GPU so far), so that'll be a second fan, it will also be pulling air through the PSU and exhausting it at the back, so I don't expect any issues. Plus the PSU easily gives me the headroom for that.
In such a system as PSU with built in fan would either starving the interior of the case of air (by pulling from inside) or pushing air into a tiny case that only really needs a good exhaust fan to guarantee good airflow.
Sure, it was a hefty price tag for minor benefits, but I've been pleased with it, and will buy fanless again if I can get one to the same high standard (or better).