450W PSU sufficient for GTX970 and i5 4690k?

[RHINO_Mk_II]

Recently I ordered parts for my first PC build including a Corsair CSM 450W 80+ Gold Certified Semi-Modular ATX Power Supply, which carries 35.5 amps on the 12V rail. I estimated the power consumption for the system using this calculator. It shows 335W consumption at peak load without overclocking. However, after a few years' 30% capacitor degradation and overclocked to 4.0GHz, it estimates 455W consumption. Will this cause serious problems for the system right away or in the future, and if so would you recommend I return the PSU now for something higher rated or can I wait to replace it until I have the funds to spare?

CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor (Purchased For $199.99)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler (Purchased For $34.99)
Motherboard: Gigabyte GA-Z97-HD3P ATX LGA1150 Motherboard (Purchased For $84.99)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory (Purchased For $49.99)
Memory: G.Skill Ripjaws X Series 4GB (1 x 4GB) DDR3-1600 Memory (Purchased For $25.00)
Storage: Samsung 850 EVO-Series 250GB 2.5" Solid State Drive (Purchased For $79.99)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive (Purchased For $49.99)
Video Card: Asus GeForce GTX 970 4GB STRIX Video Card (Purchased For $263.99)
Case: Enermax ECA3310A-B ATX Mid Tower Case (Purchased For $52.49)
Power Supply: Corsair CSM 450W 80+ Gold Certified Semi-Modular ATX Power Supply (Purchased For $29.99)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer (Purchased For $12.99)
Operating System: Microsoft Windows 8.1 Pro OEM (64-bit) ($0.00)
Total: $884.40
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-06-22 17:18 EDT-0400

 

[toyftw]

Recently I ordered parts for my first PC build including a Corsair CSM 450W 80+ Gold Certified Semi-Modular ATX Power Supply, which carries 35.5 amps on the 12V rail. I estimated the power consumption for the system using this calculator. It shows 335W consumption at peak load without overclocking. However, after a few years' 30% capacitor degradation and overclocked to 4.0GHz, it estimates 455W consumption. Will this cause serious problems for the system right away or in the future, and if so would you recommend I return the PSU now for something higher rated or can I wait to replace it until I have the funds to spare?

CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor (Purchased For $199.99)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler (Purchased For $34.99)
Motherboard: Gigabyte GA-Z97-HD3P ATX LGA1150 Motherboard (Purchased For $84.99)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory (Purchased For $49.99)
Memory: G.Skill Ripjaws X Series 4GB (1 x 4GB) DDR3-1600 Memory (Purchased For $25.00)
Storage: Samsung 850 EVO-Series 250GB 2.5" Solid State Drive (Purchased For $79.99)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive (Purchased For $49.99)
Video Card: Asus GeForce GTX 970 4GB STRIX Video Card (Purchased For $263.99)
Case: Enermax ECA3310A-B ATX Mid Tower Case (Purchased For $52.49)
Power Supply: Corsair CSM 450W 80+ Gold Certified Semi-Modular ATX Power Supply (Purchased For $29.99)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer (Purchased For $12.99)
Operating System: Microsoft Windows 8.1 Pro OEM (64-bit) ($0.00)
Total: $884.40
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-06-22 17:18 EDT-0400

Hi - Most sites recommend 500w, however, the +12v amps avail is the key power spec and that PSU
has 35 +12v amps while a sys with a gtx970 requires 28. That GPU requires one 8 pin pcie
connector which your PSU has. You can run the system with the card.

You might want to upgrade down the road, but go with it for now.

 

[Zerk2012]

The above is not true a GTX 970 has a TDP of 145 watts that is equal 12.1 AMPS
http://www.anandtech.com/show/8568/the-geforce-gtx-970-review-feat-evga
You should be fine.

 

[RHINO_Mk_II]

Thanks for the feedback guys. I decided it made more sense to bite the bullet and get a better PSU right away instead of waiting until I start OCing or consider upgrading or SLIing GPUs in a few years' time. I do want the system to have more power available eventually, so spending $30 more now and just getting something that I won't have to replace seems reasonable. Went with the EVGA SuperNova GS 650W, which sets my mind at ease.

 

[toyftw]

Thanks for the feedback guys. I decided it made more sense to bite the bullet and get a better PSU right away instead of waiting until I start OCing or consider upgrading or SLIing GPUs in a few years' time. I do want the system to have more power available eventually, so spending $30 more now and just getting something that I won't have to replace seems reasonable. Went with the EVGA SuperNova GS 650W, which sets my mind at ease.

Good choice - Enjoy!