Reviews - Corsair TX850 Power Supply
Sample Provided by: Corsair (By OklahomaWolf on Wed, Dec-17-2008)

Page 1 -

Power supplies come and go here at jonnyGURU.com, and of those power supplies few are more anticipated lately than those from Corsair. Today, I've just had another one land in my lap, the brand new TX850. You'll recall that the TX750 did very well here, and I confess my expectations for this one are very high. Then again, knowing Corsair's penchant for high quality power supplies at a good price, my expectations for them are always high.

Already by the above box shot we see some of Corsair's exacting standards showing. First, there's the usual five year warranty, which is getting more and more common lately thanks to companies like PC Power and Cooling and Corsair leading the way.

Then, we have a prominent 80 Plus logo on the front. While a glance over at the 80 Plus site doesn't show it listed along with the other Corsair units, taking a look at Channel Well Technology's listing does show the model on which this unit is based, the PSH 850W. Now, the PSH platform has traditionally proven itself an excellent performer, but history has shown it to be getting out of its comfort zone at 850W. I am particularly anxious to see what changes Corsair made to this platform to bring the 850W up to their standards.

But, I'm getting ahead of myself here. First, I'm going to make you sit through some more lovely box shots. Well, I guess you don't have to do it, but here they are anyway.

The box doesn't overwhelm a guy with information, but at the same time there is a lot of useful data printed on it. Like this here load table, with two diagrams for noise level and efficiency curve below it. These are printed, along with the rest of the box highlights, in a particularly eye catching yellow which practically screams the words, "Oh, just buy me already."

The back of the box holds even more useful info in five languages. You're going to make me type all this out, aren't you? Ok, ok, I'm doing it, I'm doing it... put down that pitchfork. Here's the English part of it:

  • Guaranteed to deliver rated specifications at 50°C - awesome!
  • 80%+ energy efficiency at 20%, 50% and 100% load condition for less heat generation and lower energy bill - this conforms to standard 80 Plus certification
  • Active Power Factor Correction (PFC) with PF value of 0.99 - nothing new here - most good units that don't come free with a computer case have APFC
  • Dedicated single +12V rail offers maximum compatibility with latest components
  • Supports the latest ATX12V v2.2 and EPS12V 2.91 standards and is backwards compatible with ATX12V 2.01 systems
  • High quality Japanese capacitors provide uncompromised performance and reliability
  • Powerful +5Vsb rail with 3A rating - I'll be checking on this during load testing
  • Compatibility guaranteed with dual-GPU configurations
  • Auto switching circuitry provide universal AC input 90-264V - a side effect of APFC designs
  • Over Current/Voltage/Power Protection, Under Voltage Protection, and Short Circuit Protection provide maximum safety for your critical system components
  • Dimensions: 5.9"(W) x 3.4"(H) x 6.25"(L) - 150mm(W) x 86mm(H) x 160mm(L)
  • MTBF: 100,000 Hours

Our final box shot is this here view of the top, where we get to see all the connectors, and how many of them there are. As usual, I'll have a table down at the bottom of the page with that information. Meantime, let's get this box open and unpacked.

The first thing we get to look at is the user guide. While this is several pages thick, the information it contains is a merely adequate listing of features and specs along with a small portion of marketing on the side. It covers all three of the current TX series units, including this unit, the TX750, and the TX650, and is printed in eight languages.

Beneath the manual and a layer of foam rests the power supply itself, which is nestled in Corsair's lovely velvet PSU cozy. Hey, wait a minute here... is that ATX connector actually trying to eat the silica gel? Doesn't it know what could happen if it does that?

The contents of the box: one power supply, one PSU cozy, one manual, a bag of screws, some zip ties, a case badge, and a... European spec power cord. Hmm... last week's Ikonik review samples also came with European power cords. You think these companies are maybe getting together and playing a practical joke on old Wolfie here? Naaaah, couldn't be. Not that I'm wanting for power cords around here, or anything. They practically grow on trees out here.

No, seriously - there's a power cord tree out back... I just go out there and pick one when I need to. Although, if I'm not careful to water it sometimes I get one that's 24AWG and have to throw it out.

Just like the box, the labels on this unit are done up in that same eye catching yellow.

As is the trend with Corsair, this unit is done up in that matte black I like so much. The finish is coarse and harder to scratch than most units I review.

You can't see it in this picture, but to my dismay this unit continues the "not quite into the case" sleeving trend I saw with previous Corsair units. While not a terribly big deal, I do like a somewhat cleaner look than this.

The back panel, as usual, is pretty clean and uncluttered, adorned with an extra little sticker proclaiming the unit's model number below (above) the AC receptacle and power switch. This unit should have no trouble keeping itself cool.

And here's the business end of the load table sticker. Zowie... 840W available on the 12V rail alone. And 180W combined 3.3V/5V... that's not half bad either for those of you unfortunate enough to still be rocking a Pentium III rig.

Corsair TX850 +3.3V +5V +12V1 -12V +5VSB
30A 30A 70A 0.8A 3A
Max Power 180W 840W 9.6W 15W
850W

As promised, here's a shot of the cables with a table thrown in for good measure. One sight I was happy to see was the four 6+2 pin PCI-E connectors. This means that this puppy should have no trouble with anything up to and including a pair of 4870 x2 cards, if that 12V rating is to be believed.

Type of connector: Corsair TX850
ATX connector (580mm) 20+4 pin
8-pin EPS12V/ATX12V connector (610mm) 4+4 pin
5.25" Drive (400mm+150mm+150mm+150mm) 8
3.5" Drive connectors (+150mm) 2
SATA (395mm+150mm+150mm+150mm) 8
2 x 4 PCIe (610mm) 4*
Unit Dimensions(L x W x H)
160mm x 150mm x 86mm

*connectors are 6+2 pin modular type


 

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