Thermaltake Smart 850W Power Supply (SP-850M) - Online Only

  • Model #: W0414RU
  • Web Code: 10207856
Sold and shipped by: Best Buy
{{primarySeller.rating.rating.toFixed(1)}} seller rating, {{primarySeller.rating.count}} review(s)


SMART Series Power Supplies are for those who are upgrading, repairing or building a system and want a power supply that just works. SMART Series power supplies are tested on live fully functioning systems to ensure the best compatibility with actual system components. This translates into a better user experience and a power supply offering that is designed to work and work well.

More Information

  • Supports the latest ATX 12V V2.3 & EPS 12V standards.
  • Guaranteed to deliver 750W continuous output at 40° operating environment.
  • High current and single +12V rail provides superior performance.
  • 80 PLUS Bronze certified with 82-88% efficiency at 20-100% load under real world load conditions.
  • 100% high quality Japanese main capacitor ensures superb performance and reliability.
  • Solid state capacitors offer great stability at higher operating temperatures, frequencies, and currents.
  • Double forward ultra-efficient circuitry design for added power savings.
  • Synchronous rectification circuit design with DC-DC converter for extremely stable performance and high efficiency.
  • Ultra-quiet 140mm cooling fan delivers excellent airflow at an exceptionally low noise level.
  • Active PFC with Universal AC input.Flat, low-profile modular cables allow for easy cable routing and increased airflow.
  • Supports multiple core high-end graphic cards and CPU (NVIDIA SLI & ATI CrossFire Ready).
  • High reliability: MTBF>100,000 hours.Heavy-duty protection circuitry of Over Current, Over Voltage, Under Voltage, Over Power, and Short-Circuit protections.
  • Safety / EMI Approvals: UL/CUL/TUV/CE/FCC and BSMI certification.

Manufacturer's Warranty:

  • Parts - 1 Year(s)

Geek Squad Protection

We fix it or replace it.

Choose the coverage that’s right for you when you click Add to Cart.



Customer Reviews

5.0 / 5
Based on 7 review(s) More about Customer Reviews

Ratings in Detail

  • 5
  • 4
  • 3
  • 2
  • 1

Positive vs. Critical Reviews

Positive 100%

7 Reviews

Critical 0%

0 Reviews

Rate & Review this product

Tell others about your experience with this product.

Write a review

  • from Prince George, BC

Easy to install and good clean power

My Corsair 850 watt PS finally died after 6 years of service driving a 6 core processor, 12 gigs of ram, EVGA GTX680, an optical drive, 3 internal hard drives and 9 case fans. It was a traditional PS in that it was not modular and as a result management of unused cables was a nightmare. Symptoms of its demise were random PC hard restarts. This semi-modular case is really nice to work with. I have only installed the cables that I need, and it booted the PC up and it's been purring along ever since. This is a quiet power supply, and seems well built. Cables are perfect length for a floor tower case running an ATX board. I prefer the flat style cables that come with this PS, as it makes for easier cable management resulting in much better air flow throughout the case.

  • from Sydney, NS

Thermaltake Smart 850W PSU

Since my 750w version of this one died, most likely due to weakening from a couple power outs and plugging it back in after installing a few new fans after Christmas shorting it out(NOT a fault just something all electronics are prone to). Besides, it's my first system build and I always expect the unexpected. I bought this to replace it and know from a year with the other one that it works and will work perfectly. I did have a member of the geek squad install this one for me so he could check if the other components were damaged(thankfully nothing was and my drives were checked after he diagnosed the problem when it happened). 5 stars because I don't believe in skimping on the most key component in a computer so the cost and service provided was more than worth it.

  • from Ottawa, ON

A smart purchase

I bought this to replace a 550Watt stock power supply. It is very quiet due to the large fan. The semi-modular design is great for a tidy install. It has made my system more stable with a performance graphics card and multiple hard drives. It does what it claims to do.

  • from Halifax, NS

Good product

I like it, easy to install. Many different power cables that plug into the unit. No need for extra cables in your case that you dont require. No priblems yet. Very quiet for power rating. Very satisfied with product. Costs a little more then other units but is worth the quality.

  • from winnipeg

great power supply and cheap $

Bought this cause i needed to upgrade from a 300 watt power supply for a better gpu. Easy to install besides having a small case to put it in great value and bronze certified is nice does get warmer than my 300 watt power supply but thats expected

2 Review(s) available in French

Best Buy Gift Card
Best Buy Gift Cards
Best Buy Credit Card
Best Buy Credit Cards
Best Buy Reward Zone
Best Buy Reward Zone