Thermaltake ToughPower Grand 850W Power Supply Review

Today we take a look at the Thermaltake ToughPower Grand 850W PSU.  This is a higher end PSU, let’s see how it stacks up.

About Thermaltake


We live in a world where most things seem to move at the speed of light. At Thermaltake, we feel the same way and that is exactly how Thermaltake conducts itself to deliver innovative, reliable and customer-centric solutions to the worldwide market.

Since the beginning of Thermaltake in 1999, it has been at the forefront of creating new and exciting products at a time where most computer users were provided little to no choices for components that may seem irrelevant, but in reality crucial to the performance of a PC.

Thermaltake Server Series solutions, with years of thermal experience and industry leadership, sets its goal on reforming total thermal management in server segment by formulating the perfect mixture of versatility, efficiency and thermal management with each respective server product category: Rackmount Chassis, Server Fixed & Redundant Power Supply and Server CPU Cooling Management Solutions.

With its comprehensive line of products available, it enables Thermaltake’s core customers to enjoy a one-stop-shop experience, reduce product design-in evaluation period and most important of all, flawless integration process. Each of Thermaltake’s strengths enables its customer to focus on their core business while taking advantage of the skills and efficiency of a single thermal management solution partner.


– Wattage 850 Watts
– Fan
140mm fan
1900RPM ± 10%
99.6 CFM

– Efficiency up to 93%
– PFC Active PFC
– Hold-Up Time 20 ms at 75% of full load @ 230 VAC input
– Switches ATX Logic on-off additional power rocker switch (with light indicator)
– Motherboard Connectors
24-pin Main Connector
8-pin EPS Connector
4+4-pin EPS Connector

– Power Good Signal 100 – 500 ms
– Form Factor ATX 12V 2.3 & SSI EPS 12V 2.92
– Dimension
7.1 x 5.9 x 3.4 inch (L)x(W)x(H)
180 x 150 x 86 mm (L)x(W)x(H)

– Warranty 7 Years
– Certifications
ATI CrossFireX Certified
NVIDIA SLI Certified
80PLUS GOLD Certified

– Input Voltage 100 VAC ~ 240 VAC
– Input Current Max. 11A
– Input Frequency Range 50Hz ~ 60Hz
– Inrush Current
– Operating Range
– MTBF 120,000
– Output Table


– Operating Temperature 10 ℃ to 50 ℃
– Storage Temperature -40 ℃ to 70℃
– Operating Humidity 20% to 90%, non-condensing
– Storage Humidity 20% to 95%, non-condensing


– Over Voltage Protection Yes
– Over Current Protection Yes
– Over Load Protection Yes
– Over Termperature Protection Yes
– Under Voltage Protection Yes
– Short Circuit Protection Yes

The Product:


Please click on thumbnails for larger images.

Have you ever opened up a product and just felt like you were getting quality hardware?  This is one of those times.  The PSU comes double boxed, and wrapped in a cloth bag to protect the PSU.  The box is substantial, and you know this is a flagship product by the care in packaging.  Inside you will find the PSU, a nice glossy instruction manual, and a black Thermaltake bag with a monstrous selection of accessory and power cables.  There are some anti-vibration strips as well as mounting screws that are a tad longer than normal for drilling through the anti-vibration strips.  There is also a heavy duty power cable to connect the PSU to your wall outlet or power strip, with noise isolators.  It’s little nuances like this that let you know they thought of everything.  The PSU itself is matt black, with an anodized look.  There is a red stripe around the PSU, and a RED LED indicator just below the power connection.  The whole thing just looks good.

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