Is my old PSU sufficiant for new system? Tags: New Build Systems Last response: August 30, 2011 5:55 PM in Systems Share Berke53 August 29, 2011 11:10:11 PM Hi all I already ordered new parts for my pc but i don't really know if I have to look for a new psu because I'm a bit strapped for cash at the moment Here are the specs of my new build: -ASRock 880GMH/U3S3 motherbord -AMD Phenom II 965 Black edition (125w version) -ATI HD 6870 -2x4GB DDR3 @ 1600 mhz -1 DVD/CD drive -2 regular S-ATA HDD Here are the specs of my PSU: ultron UN-550G Green Force 550W - ATX Version 2.2 power supply - Passiv PFC - 82+ Efficiency - 2x 6-pin connectors AC output:______________________________________230Vac 5A_________________________________________ DC output:____+3,3V________+5V___________+12V(1)_________+12V(2)_____-5V______-12V________ +5Vsb _____________16A__________25A____________19A_____________19A_______0,5A______0,8A_________2,5A Max. Current: --------130W---------_____________-------------400W-----------_______-------12W--------_______12,5W Total wattage: 550W I already tried an PSU calculator. I came on 530W but I don't know if my Amps are sufficiant. I would be really gratefull to hear a convenient answer Thanx on advantage and sorry for my bad english. More about : psu sufficiant system | E-mail me updates | Report abuse Register or log in to remove madchemist83 August 29, 2011 11:18:39 PM should be allright | Report abuse madchemist83 August 29, 2011 11:18:58 PM just don't OC too much | Report abuse Berke53 August 29, 2011 11:35:03 PM Thats too bad... I was planning to get me a zalman cooler for 40 bucks so I can easely OC the cpu from 3.4 ghz to 4 ghz. Do you think i must not risk it? | Report abuse Related ressources Will my 9 yr old psu run this new setup? - Forum First New Build. Will my PSU be sufficient? - Forum Is GX 550 PSU is sufficiant for the current config...? - Forum Possible new system old hard drive incompatibility - Forum Will old PSU will be enough for new build. - Forum Ask the community Publish abekl August 30, 2011 2:13:01 AM I think you can overclock it, as long as you don't change the voltages. | Report abuse madchemist83 August 30, 2011 5:30:35 PM yeah but power consuption will go up neways | Report abuse 008Rohit August 30, 2011 5:55:23 PM 19A on a single +12V rail = Insufficient | Report abuse Register or log in to remove Ask the community Publish Tom's Hardware>Forum>Systems>Is my old PSU sufficiant for new system?> Related ressources: Forum7870... and a 6-year old PSU ForumNew build - replacing a 5yr old system with some new share parts ForumOld PSU + new mobo ForumOld psu work with new system ? ForumPSU sufficient? ForumNew build...2yr old psu ? ForumNew computer build, old PSU . Do I have enough power? Forum600W psu sufficient for an ATI 7850? ForumCan my 3 year old 500W PSU handle an HD5870? ForumNew AMD System to replace Old AMD System ForumIs this psu sufficient for a moderate OC and an x1950 pro? ForumNew System with Snap for Old User ForumWill this PCI Fit on my Motherboard? ForumNext System builder Marathon ForumWhat do you think of this system? More resources Read discussions in other Systems categories Homebuilt New Build Prebuilt Cases Power Supplies RAM CyberPower !