Mr Bill wrote:So, the system in the sig used to have an Asus Radeon 4770 and I upgraded to the XFX R7870 Double Dissipation (2GB memory GHz edition). The power draw on my UPS is typically showing around 205W load at present and jumps up to about 350W when actually playing WOW. I have been occasionally smelling a burnt smell from the PSU. Seems to me I may be pushing the limits? Maybe this card is a bit much for my PSU?
External Power - 6-Pins:2
Minimum Power Supply Requirement:500 watt
XFX Recommended Power Supply:XFX 650W PSU
■500W (or greater) power supply with one 75W 6-pin PCI Express power connector recommended ◦600W power supply (or greater) with two 75W 6-pin PCI Express power connectors recommended for AMD CrossFire™ technology.
Mr Bill wrote:Its just that one day I got home and the whole house smelled burnt and it was all coming from the PSU. But now there is no odor. Very odd. I have an APC Back-USP NS1250 protecting this system and it give real time watts.
continuum wrote:Antec NeoHE 550W for a 7870? You're showing 350W AC from the UPS, which is probably only about 280W DC from the PSU itself?
You should be more than fine, unless the PSU is failing for some other reason. Load-wise you're more than ok. Heck, a Seasonic G360 should run that setup easily.
Chrispy_ wrote:My advice would be to look for any of the models from Antec/Corsair/Seasonic and hunt the deals/sales for the models where Seasonic is the OEM.
Antec also use CWT, Fortron and HEC to make cheaper models. Seasonic makes their flagship stuff.
Seasonic stuff tends to be expensive, but sometimes you can get deals.
Cheaper Corsair models are made by CWT, pricier models are (can you guess?) Seasonic.
The fact that some of the biggest PSU names use Seasonic to make their flagship lines speaks volumes about Seasonic quality in general.
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