Helping me choosing the right PSU Tags: Power Supplies Components Last response: March 1, 2011 10:20 PM in Components Share lolipop12 March 1, 2011 9:07:53 PM Hello guys, I'm building a new PC and I have already chosen all the parts I needed, but I'm stuck on the PSU. I would like some help to choose the right PSU, for its wattage, compatibility, and obviously its quality. So here are my specs: CPU/Processor: Intel Core i5-760 Lynnfield 2.8GHz 8MB L3 Cache LGA 1156 95W Quad-Core Desktop Processor BX80605I5760 Link: http://www.newegg.ca/Product/Product.aspx?Item=N82E1681... Motherboard: ASUS P7P55D-E LX LGA 1156 Intel P55 SATA 6Gb/s USB 3.0 ATX Intel Motherboard Link: http://www.newegg.ca/Product/Product.aspx?Item=N82E1681... Memory: G.SKILL Sniper 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory Model F3-10666CL9D-8GBSR Link: http://www.newegg.ca/Product/Product.aspx?Item=N82E1682... Video card: XFX HD-695X-ZNDC Radeon HD 6950 1GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card with Eyefinity Link: http://www.newegg.ca/Product/Product.aspx?Item=N82E1681... Hard drive: Western Digital Caviar Black WD1002FAEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive Link: http://www.newegg.ca/Product/Product.aspx?Item=N82E1682... Computer case: AZZA Fantom 900 Black Japanese SECC Steel/Aluminum ATX Mid Tower Computer Case Link: http://www.newegg.ca/Product/Product.aspx?Item=N82E1681... CPU Fan: ZALMAN CNPS9900ALED 120mm 2 Ball Low-noise Blue LED CPU Cooler Link: http://www.newegg.ca/Product/Product.aspx?Item=N82E1683... Optical drive: LITE-ON Black 24X DVD+R 8X DVD+RW 12X DVD+R DL 24X DVD-R 6X DVD-RW 12X DVD-RAM 16X DVD-ROM 48X CD-R 32X CD-RW 48X CD-ROM 2MB Cache SATA 24X DVD Writer LightScribe Support Link: http://www.newegg.ca/Product/Product.aspx?Item=N82E1682... So yeah, based on my specs you've just see, which PSU should I buy? More about : helping choosing psu ct1615 a c 164 ) Power supply March 1, 2011 9:18:11 PM do you have a specific budget? do you want a modular unit? is 80+ efficiency OK or do you want a higher efficiency? otherwise... a 500w+ from antec, XFX, corsair, PC Power & Cooling, seasonic, enermax, silverstone, or OCZ if you plan to get a second AMD 6950, look for a 700w+ oc_mania March 1, 2011 9:49:31 PM This is a good PSU and it would let you get another GPU for Crossfire. http://www.newegg.ca/Product/Product.aspx?Item=N82E1681... Related resources Help me with choosing the right PSU for my system! - Forum Help me choose a right psu ... - Forum Choosing the Right PSU for a HD7850 crossfire - Forum Help me to choose right PSU for my RIG - Forum Help me to choose right PSU - Forum Can't find your answer ? Ask ! Get the answer lolipop12 March 1, 2011 9:56:06 PM I'm not going to Crossfire nor SLI, so the PSU would power only one video card. Also,I have very low budget, less than 100$. I just want a good working/compatible PSY for my system for a cheap price. oc_mania March 1, 2011 9:58:59 PM now i noticed your motherboard doesnt support Crossfire or SLI, this one should be powerful enough to power your Amd 6950 : http://www.newegg.ca/Product/Product.aspx?Item=N82E1681... for 109$, or this one for 89$ http://www.newegg.ca/Product/Product.aspx?Item=N82E1681... or even this one for 59$ http://www.newegg.ca/Product/Product.aspx?Item=N82E1681... . Amd says a 500w should be powerful enough for that gpu. Sry for all the editing karma831 March 1, 2011 10:08:31 PM I'd go for one of these Newegg.ca: http://www.newegg.ca/Product/Product.aspx?Item=N82E1681... NCIX.com: http://www.ncix.com/products/index.php?sku=33041&vpn=OC... galeener March 1, 2011 10:09:24 PM If budget is really tight then this has a 15 dollar rebate right now and should be sufficient for what you want. http://www.newegg.ca/Product/Product.aspx?Item=N82E1681... Its always best to get the best power supply you can afford though as its the real heart of the system. iceclock a b ) Power supply March 1, 2011 10:20:21 PM http://ncix.com/products/?sku=55665&vpn=SX850&manufactu... cougar 850 watter 80+ silver certified 129$ 40 dollars rebate , or these 2 other choices, these are ps that will future proof u if u wanna upgrade to a crossfire or sli setup, http://ncix.com/products/?sku=55700&vpn=SS-850HT&manufa... seasonic 850 watt also 80+silver certified and also this if ur budget is tight, http://ncix.com/products/?sku=26414&vpn=CMPSU-650TX&man... corsair 650 watter Can't find your answer ? Ask ! 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