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The Cooler Grasp XG850 Plus Platinum PSU Evaluate: High quality Plus RGB

Cooler Grasp is a widely known model amongst fanatics. The agency started as a maker of PC cooling methods and quickly moved into instances and energy provides, that are answerable for most of its current renown. At present, the agency enjoys international recognition and manufactures lots of of merchandise, however they by no means cease updating and upgrading their catalogs.

Though Cooler Grasp did diversify in direction of gaming PC peripherals and even related furnishings, the corporate stays strongly targeted on PC Circumstances, Coolers, and PSUs, providing an unlimited choice of merchandise in all of those three classes. On the time of this overview, Cooler Grasp is providing an outworldish assortment of over 75 PC instances, 90 coolers, and 120 PSUs.

At present we’re taking a look on the new XG Plus Platinum sequence, the newest energy provide household from prolific PC peripherals producer Cooler Grasp. Designed to supply a top quality PSU with an additional sprint of aptitude, the RGB fan (and RGB show) outfitted XG Plus Platinum is a PSU that is not fairly like the rest available on the market. The XG household ranges from 650 to 850 Watts, and at the moment we’re evaluating essentially the most highly effective unit within the sequence, the 850W XG850 Plus Platinum.

Cooler Grasp XG850 Plus Platinum
Energy specs ( Rated @ 50 °C )
RAIL +3.3V +5V +12V +5Vsb -12V
MAX OUTPUT 20A 20A 70.8A 3A 0.3A
100W 849.6W 15W 3.6W
AC INPUT 100 – 240 VAC, 50 – 60 Hz


Packaging and Bundle

In comparison with a lot of the PC trade lately, Cooler Grasp is something however refined with the design of their packaging. The art work is colourful and lavish, mixing geometrical patterns with footage and hanging colours. In the end, what issues is that the unit is shipped in a really sturdy cardboard field and guarded by ample layers of packaging foam.

Apart from the everyday AC energy cable, mounting screws, and a fundamental directions leaflet, Cooler Grasp additionally bundles quite a few cable ties and some cables straps alongside with XG Plus Platinum.

The XG Plus Platinum is an all-modular design, permitting for the elimination of each DC energy cable, together with the 24-pin ATX connector. The entire cables are naked, ribbon-like, with black wires and black connectors. There isn’t any floppy connector or adapter.

Cooler Grasp XG850 Plus Platinum
Connector kind Hardwired Modular
ATX 24 Pin 1
EPS 4+4 Pin 1
EPS 8 Pin 1
PCI-E 5.0
PCI-E 8 Pin 6
Molex 4

The Cooler Grasp XG850 Plus Platinum PSU

Exterior Look

The chassis of the Cooler Grasp XG850 Plus Platinum PSU measures 86 mm × 150 mm × 160 mm (H × W × D), which is 20 mm deeper than a totally ATX compliant PSU. The overwhelming majority of contemporary PC instances account for the size of such high-performance PSU however the barely prolonged size can nonetheless be a compatibility drawback with sure small footprint designs.


Cooler Grasp actually does need their newest PSU to face out from the group, thus they went with a customized chassis with an embossed left aspect and an built-in fan finger guard. The embossed left aspect shall be seen if the unit is positioned upside-down on the backside of a typical ATX case. The sticker with the unit’s certifications and specs covers a lot of the unit’s prime aspect.

A typical on/off swap will be seen on the rear aspect of the unit, proper subsequent to the usual AC energy receptacle. The perimeter of Cooler Grasp’s brand is printed subsequent to the swap. About half of the entrance aspect of the unit is roofed by the connectors for the modular cables, with a fundamental legend printed above every connector. Right here we will additionally see a small connector for an inner USB cable that connects the PSU to the motherboard.


Whereas the PSU is turned off, the appropriate aspect of the unit is completely plain and, not like the metallic matte physique of the unit, it’s a shiny acrylic. There may be an RGB show hidden behind the acrylic, displaying the unit’s mannequin and three sensible figures – energy output, temperature, and fan RPM. The PSU must be put in with care as a result of the acrylic will be very simply scratched.

Nonetheless, the true drawback right here is the orientation of the PSU itself – if customers choose a case that has the PSU compartment situated at its backside, they may have to select between showcasing the RGB fan or the aspect panel show. Additionally it is doubtless that the aspect panel show won’t be seen even when the PSU is situated on the prime of the case, as many merchandise are designed in order to cover the PSU from direct eye contact.

Inner Design

Cooler Grasp has rebranded the 135 mm RGB fan that’s contained in the XG Plus Platinum unit. The fan has a hydro-dynamic sleeve bearing, which is each quiet and dependable. It has a most velocity of 1800 RPM, which is rather a lot for a fan of that measurement however, based on the graphs which might be printed on the field, the fan shouldn’t even attain 1000 RPM beneath regular ambient circumstances.

The within of the XG Plus Platinum is not like any platform that we’ve got encountered earlier than, with Cooler Grasp insisting that this PSU is completely of their very own design. Huizhou Xinhuiyuan Know-how may form of disagree with that declare although. Nonetheless, we’ve got no particulars concerning the platform or how a lot Cooler Grasp’s engineers had been concerned on its design.


The filtering stage of the Cooler Grasp XG Plus Platinum PSU is textbook, with a complete of 4 Y capacitors, two X capacitors, and two filtering inductors. There is also a relay to bypass the NTC for elevated effectivity. The rectifying bridges are positioned on the primary heatsink of the first aspect’s inverting parts. The lively APFC parts are connected to a separate heatsink throughout the aspect of the unit. Nippon Chemi-Con provides the massive 450V/680μF APFC capacitor, which is positioned proper subsequent to a large filtering coil.


On the first aspect of the primary transformer, 4 transistors kind a full-bridge inversion topology, whereas 4 MOSFETs generate the 12V line on the secondary aspect of the transformer. It’s noteworthy that these 4 MOSFETs are the JMSL040SAG by JieJie Microelectronics, an organization whose merchandise we have by no means encountered earlier than. For the file, the MOSFETs on the first aspect (NCE65TF130) are supplied by NCE Energy.

The three.3V and 5V traces are being generated by way of the DC-to-DC conversion circuits. This might have been a typical configuration for any unit with a excessive effectivity certification, with the distinctive attribute right here being that the conversion circuitry is positioned instantly onto the board with the cable connectors as a substitute of stand-alone PCBs. The entire secondary capacitors, electrolytic and polymer alike, are supplied by Nippon Chemi-Con and Nichicon, each of that are extremely respected Japanese producers. 

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