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The ASUS TUF Gaming 850W Gold PSU Overview: Robust However Honest

Although ASUS as an organization wants no introduction to common AnandTech readers, even for us it is simple to miss simply how huge their vary of product traces is today. As the corporate has moved past PC motherboards and core elements to saved diversifying over time, they’ve established entire subsidiary model names within the course of, such because the “Republic of Avid gamers” or “ROG”. These days, the ASUS brand could be discovered on nearly each PC element and peripheral there’s, from mouse pads to gaming laptops.

One of many many collection of merchandise ASUS is supplying beneath its model title – and that, someway, we have by no means reviewed up till now – is a fairly in depth array of energy provide models. The corporate splits its models into three primary collection, the ROG, the TUF Gaming, and the Prime, all of that are focusing on larger segments of the market. In reality, ASUS is pretty uncommon on this respect; in contrast to most different producers, ASUS largely stays out of the low-to-middle vary of the market altogether, as a substitute specializing in the extra profitable premium and gaming segments.

As we speak’s evaluate directs its focus in direction of ASUS’s TUF Gaming collection, which is – in our opinion – essentially the most versatile collection that the corporate at present markets. The TUF Gaming models are designed with long-term reliability and excessive efficiency in focus and are being marketed accordingly. The brand new 850W Gold variant of this collection aligns with Intel’s ATX 3.0 design pointers, with the 80Plus Gold certification and 10-year producer’s guarantee as the foremost highlights, and retails for an inexpensive price ticket.

Asus TUF Gaming 850W Gold
Energy Specs ( Rated @ 50 °C )
RAIL +3.3V +5V +12V +5Vsb -12V
MAX OUTPUT 25A 25A 70.8A 3A 0.8A
130W 850W 15W 9.6W
80 Plus Score Gold
AC INPUT 100 – 240 VAC, 50 – 60 Hz
MSRP $111


Packaging and Bundle

ASUS is understood to watch out with their packaging and the field that the TUF Gaming 850W Gold is equipped in isn’t any exception. The art work on the field is detailed, with loads of info to be discovered on the edges and rear of the field. The field is sturdy and the unit is well-protected inside to make sure secure transport.

A good bundle could be discovered contained in the field of the TUF Gaming 850W Gold PSU. Except for the everyday AC energy cable and the mounting screws, ASUS additionally provides a number of cable ties, three high quality cable straps, and a thick handbook in 30 languages. There’s additionally a “certificates of reliability” that signifies which assessments the capacitors and chokes of the models needed to cross for ASUS to make use of them. Most of them are executed in accordance to the MIL-STD-202 and MIL-STD-810H requirements, which gave ASUS the bottom to boast about “military-grade reliability”. The assessments are carried out by iST, an unbiased laboratory based mostly in Taiwan.

The TUF Gaming 850W Gold is a totally modular design, permitting for the elimination of each DC energy cable, together with the 24-pin ATX connector. The entire cables are black, with black connectors and individually sleeved wires, together with the ATX 24-pin and the brand new 12VHPWR cables. It’s attention-grabbing to notice that the full variety of connectors is pretty low for a unit with that form of capability.

ASUS TUF Gaming Gold
Connector sort Hardwired Modular
ATX 24 Pin 1
EPS 4+4 Pin 2
EPS 8 Pin
PCI-E 5.0 1
PCI-E 8 Pin 3
Molex 4

The ASUS TUF Gaming 850W Gold PSU

Exterior Look

Externally, the TUF Gaming 850W Gold PSU is in direct contradiction to the “army” theme ASUS’s advertising is closely relying upon. The reason being that army designs are presupposed to be fully minimal and inconspicuous, whereas the designer of the TUF Gaming 850W Gold PSU virtually left no a part of the physique untouched in an effort to create an aesthetically interesting product. Chamfered edges, embossed designs, graphic prints, debossed lettering – this unit has all of it. The chassis is simply 150 mm deep, which ensures compatibility with all however the smallest ATX-compliant circumstances.

Each side of the chassis are closely adorned however they aren’t equivalent. A cutout of the collection brand could be seen on the left aspect, serving as slightly cooling vent. There isn’t any such cutout on the appropriate aspect and the collection brand is printed on the chassis as a substitute. The whole thing of the highest aspect is roofed by a sticker with {the electrical} specs and certifications of the unit. The fan cutout on the backside aspect of the TUF Gaming 850W Gold PSU is hexagonal as a substitute of spherical.


Naturally, the entrance aspect of the PSU is residence to the connectors for the modular cables. A fundamental legend is printed immediately onto the physique of the PSU in white paint. The collection brand is subtly etched throughout the highest a part of the entrance aspect. The rear aspect is typical, with simply the AC energy receptacle and a fundamental on/off swap in sight.

Inside Design

The fan answerable for the cooling of the TUF Gaming 850W Gold PSU is a dual-ball bearing engine fan made by Champion, a Chinese language producer whose we very not often encounter the merchandise of inside PC elements. The 135mm CF1325H12D has a most pace of 2100 RPM, which may be very excessive for a fan of that measurement. ASUS markets the fan as an “axial-tech” expertise fan, which mainly is a plastic ring that connects the outer a part of the fan’s blades, supposedly growing the fan’s strain.


The OEM behind the creation of the TUF Gaming 850W Gold PSU is Nice Wall, a Chinese language OEM that turned identified within the Western markets only some years again when Corsair determined to make use of them for a number of of their mainstream merchandise. The TUF Gaming 850W Gold is predicated on a platform that we’ve got not encountered earlier than and definitely is without doubt one of the newest Nice Wall designs, developed to adjust to the ATX 3.0 design information necessities.

We are able to see that the principle swap and AC plug receptacle are hooked up to a vertical PCB that additionally hosts a couple of of the filtering stage elements, with the remainder on the principle PCB. The filtering stage is typical, totaling 4 Y capacitors, two X capacitors, and two filtering inductors. It results in a twin enter rectifying bridge configuration equipped by Leshan Radio Firm (GBU15K), a Chinese language firm that we’ve got by no means encountered earlier than. The passive APFC elements are two Rubycon 420V/390μF capacitors and a large filtering inductor.

The entire lively elements earlier than the principle transformer that want cooling are hooked up to a single lengthy heatsink throughout the sting of the PCB. The first aspect inversion circuit is a typical half-bridge LLC topology, with the 2 switchers additionally equipped by an organization that we’ve got by no means seen earlier than (WAYON) and we couldn’t discover any datasheet for these explicit chips (WMJ36N6N65SF2). Contemplating the PSU’s effectivity score and half-bridge configuration, these positively are very environment friendly low on-resistance MOSFETs however we’ve got been unable to come back by their precise specs.


On the secondary aspect of the principle transformer, six transistors from one more producer that we’ve got by no means seen earlier than (Jinlibo Electronics 4NA1R4C-A) type a conversion circuitry that generates the principle 12V line. The secondary 3.3V and 5V traces are generated on the vertical daughterboard that’s hooked up each to the principle and the vertical PCB with the unit’s connectors. The entire electrolytic capacitors on the secondary aspect are equipped by Nippon Chemi-Con and Rubycon, whereas the solid-state capacitors are equipped by Nippon Chemi-Con and Nichicon.


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