Iano Posted February 25, 2007 Share Posted February 25, 2007 I recently found a great deal on a UPS XS1500 to replace my aging Back-UPS Pro 1100. One strange quirk is on the XS1500 in battery mode I get a buzzing from the PSU. The Pro 1100 does not exhibit this. Both UPSs are similarly spec'd with stepped sine-waves. The question is, could this be a sign of a bad UPS, or is it the sign of a bad PSU, or is this normal for UPS/PSU interaction. Also, I'm currently thinking of stepping up a few components in my rig and want to make sure the 520 can still handle it. The new setup will be: Core 2 E6300 @ 1.86 (will be overclocking within reason). Intel BadAxe 2 mobo. 8800GTS (OC'd version @ 576 vs 500), either 320 or 640 MB. Pair of single platter Seagate SATA II 160s, 7200 rpm. Pair of 1GB Corsair DDR2 modules (will see a slight OC). Sound card, Linksys WIFI card, few fans. I'm pretty confident the 520 will be adequate, but I don't want to push it too hard. Think I'll be fine, or should I step up to the 620? Thanks! Ian Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted March 2, 2007 Corsair Employee Share Posted March 2, 2007 Sorry for the late reply, can you try it with out the UPS and see if the problem goes away? Link to comment Share on other sites More sharing options...
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