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Review by: Daniel

Date: July 20, 2009

Provided by: ThermalTake

Thermaltake Toughpower XT 750 Watt Modular Power Supply

Thermaltake has been offering power supplies for a couple of years now, with each revision improving upon the last. When we reviewed their first offering in the Toughpower series, they needed to make some improvements, such as making the unit modular, improving the efficiency and having a quieter fan.  Now, with the introduction of the Toughpower XT series, they have made a lot of progress.  Today, we will be reviewing the Toughpower XT 750 Watt power supply.  This power supply is modular and features an 80 Plus Bronze certification.

The box it comes in is very nice.  It feels almost as if Thermaltake wants to rival Antec's Signature Series of power supplies.

Upon opening the box, you will find the users manual, a warranty card, power cable, screws, silicone vibration reduction pad, four velcro straps, a Thermaltake case badge, and a bag for holding unused modular cables.  Also, there is a 4-pin CPU power connection extension cable, and two 8-pin to 6-pin PCI-Express power cable converters. 

Here are some of the main features and specifications from Thermaltake's Website:

- FanDelayCool:
Evolved from high-end projector’s cooling system, FanDelayCool enables users to control how long the 14cm fan should continue to operate (up to 30 seconds) after system shutdown.

- S.P.T. Indicator:
Indicates the standby, PG signal, and temperature status of the power supply.

- 12Vin1:
Single +12V rail provides the best compatibility for the latest components.

- High Quality Japanese Capacitors provide superb performance and reliability.

- S.F.C. Quiet:
Toughpower XT’s 14cm dual-ball bearing cooling fan is equipped with S.F.C. Quiet technology so that the fan always operates at optimal speed for quiet operation.
 

- Gold-plated connectors for superior conductivity.

- Meet 80PLUS Bronze Efficiency Requirement: Eco-Friendly design for the highest efficiency, least heat,
and also lower energy bills.
 

- 5-Year Warranty: Thermaltake quality 5-year warranty for parts and labor.
 

- 14cm ball bearing cooling fan with Japanese made 8mm bearing system.
 

- Compliance with Intel ATX 12V 2.3 & SSI EPS 12V 2.92 standards.
 

- Support dual 8-pin PCI-E & dual 6-pin PCI-E connectors for next generation graphic cards.
 

- Guaranteed to deliver stable continuous output at 50℃ environment.
 

- Universal AC input 100V~240V and Active PFC (PF value up to 99%).
 

- DIMENSION: 5.9”(W) x 3.4”(H) x 6.3” (L);150mm(W) x 86mm(H) x 160mm(L)
 

- Protections: Over Power, Over Voltage, and Short-Circuit protection.
 

- Safety / EMI Approvals: CE, TUV, FCC, UL, CUL, GOST and BSMI certified.

The Power Supply:

The power supply features a metallic bronze colored housing and fan grill. Thermaltake has been using this color for a while, but it still looks great.

Looking at the side of the power supply, there is a Thermaltake label with their logo on it, the model number and a condensed specification list.  Note that there is only one +12v rail, supplying up to 60 Amps, which is great for a single rail solution. The 3.3v supplies up to 30 Amps and the +5v supplies up to 28 Amps. The efficiency is 80 percent or greater at 20%, 50% and 100% loads.  According to the 80Plus website, this power supply has an average efficiency of 87% at typical loads (50%) and an overall average efficiency of almost 86%.  This is great!  It is better than Xigmatek's NRP-MC751, which uses the same platform.

 

There is an large grill on the back which allows the 140 mm fan to exhaust hot air, an on/off switch and AC Power Input.  This power supply does feature Active PFC, so there is no need for a  switch to select the input voltage. The rear looks identical to other units utilizing CWT's PSH platform.  Note that there is a 'FAN DELAY COOL" switch, which allows the user to select from Auto, 15 second, or 30 second delay.  This allows the fan to cool the power supply components, even when the computer is off, which can help prolong the lifespan of the components.

The side of this power supply features three status indicating LED's.  They indicate Standby status, Power Good signal, and Temperature. During testing I did not have any issues with any of these indicators, which is good. 

A simulated scenario where the Power Good signal is not received by the power supply.

This power supply features the following cables:

The 24-pin ATX cable is quite long.

 

This power supply features modular connections.  The red colored sockets are for the PCI-Express connectors, the 6 pin black sockets are for the molex, floppy, and SATA connectors, and the 8-pin socket is for the 4/8-pin CPU power connectors.

 

-A 24-pin ATX power connector

-A 4-pin +12v CPU Power Connector

 

-An 8-pin +12v CPU/EPS Power Connector

 

-2x  6+2-Pin PCI-Express Power Connector and 2x 6-Pin PCI-Express Power Connector.  Note that Thermaltake includes two 8-pin to 6-pin adapters.  So, it is possible to have 4x 6-pin PCI-e power connectors.

 

-8x Molex Power Connectors, with a grip for easy removal.

 

-6x Serial ATA Power Connectors

 

-2x Floppy Power Connectors

Cooling:

 

There is a 140mm fan on the bottom of this power supply.  During testing, at idle loads, this fan is somewhat quiet, making a slight whirr when the computer first boots up.  With loads, the fan sped up a bit, making al whirring sound, but the noise was still acceptable.

Inside the Power Supply:

* Taking this power supply apart will void the warranty. 

Inside the power supply,  there are three densely finned black colored heat sinks, to cool down the voltage rectifiers.  The main transformer is near the upper middle of image, while the smaller transformer is below it.  The primary capacitor is Matsushita (Panasonic) branded and rated at 85c, while the secondary capacitors are Nippon Chemicon branded. The PCB layout and board quality is great.

The fan inside is a Thermaltake(Yate Loon) branded fan. It has the model number D14BH-12 (L-SSS) with a maximum draw of 0.70 Amps.

Testing:

For this power supply, the test system consists of the following:

 

-Antec Nine Hundred Two Case

-Intel Core 2 Quad Q6600 Quad Core Processor @ 3.4 GHz (1.40v)

-ZeroTherm Nirvana 120 Heatsink

-eVGA nForce 780i SLi FTW Motherboard

-4GB (2GB x 2) of OCZ Platinum DDRII-1066 Memory

-640GB x 4 Western Digital 7200RPM 32MB Cache Hard Drives

-1x nVIDIA GeForce GTX 260 Core 216 (55nm) Video Card @ 667MHz Core / 1053 MHz Memory

-Sound Blaster Live! 5.1 Digital Sound Card

-Lite-On 6x BD-ROM / 18x Asus DVD-RAM Drives

-4x 120MM fans, 1x 200mm fan

-2x CCFL Lights

 

(Multimeter Results)

 

*For additional / larger pictures of the Thermaltake Toughpower XT 750, Click Here

 

*Voltages are at a 'Max Load' for a typical gaming computer, running Orthos, Sisoft Sandra Hard Drive benchmark and 3DMark06 CPU Test 1 and 2 / Deep Freeze HDR test, and read with a Multi-Meter.

 

Capacitor Brands (subjective rating):

Primary: Excellent

Secondary: Excellent

 

Primary: Panasonic

Secondary: Nippon-Chemicon

 

Voltage Results:

+The results were excellent for this power supply, the results being well within range.  All rails remained quite strong, except for the 5v rail, which had a slight voltage drop, down to about 4.98v.  This result is similar to the Xigmatek NRP-MC751, which uses the same platform. 

 

Stability Results:

+Everything ran fine during testing, the system was stable and performed the tests as expected. 

 

Fan Speed Impressions:

+During the tests, the fan was quiet with idle loads and only produced a slight whirr with loads.

 

Installation:

+Installation of this power supply went well.  There were no issues fitting it inside the test system's case.  Since this power supply is modular, the interior of the case was much neater because unneeded cabling can be put away. The included silicone vibration absorbing pad produced no noticeable change in sound.

 

Conclusion:

This power supply would be ideal for anyone looking to build multi CPU core gaming / workstation system with two moderately powered video cards.  This power supply is ATI Crossfire certified, but not nVIDIA SLi Ready.  I'm sure it can handle most of nVIDIA's GPU's in SLi. There are an adequate amount of power connectors, as well, for its wattage rating.  It is also 80Plus Bronze certified.  At around $125, this power supply is priced perfectly for its wattage rating.  Overall, this is an excellent value for a 750 watt power supply and should be purchased by anyone looking for efficiency, great output performance, and great build quality.  Great work, Thermaltake!

Pros +

-Excellent power output

-Five Year Warranty

-Quiet fan

-80Plus Bronze certified

-Modular

 

Cons -

-Status indicators are not really useful in computer cases where the power supply has to face upside down.

 

 

Techaddicts.net would like to give this power supply an Excellent rating!

 

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