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Rectangular black ATX power supply with 120 mm fan and full modular cable sockets

COUGAR

COUGAR GEX850 850 W ATX fully modular power supply

SKU CH-04PS-XC7DV MPN GEX850

850 W fully modular ATX power supply with 80 PLUS Gold efficiency up to 91% and a 120 mm HDB fan for quiet cooling

  • Max wattage850 W
  • Modular cablingFull Modular
  • Fan configuration1 × 120 mm
  • Main power connector20+4Pin
  • 12V railsSingle
  • PCIe power connectors6 × 6+2-Pin

Model ATX 80+ Gold (850W)

  • 850 W output powers high-end builds
  • 91 % efficiency reduces electricity cost
  • Fully modular cabling cuts clutter for better airflow
  • 120 mm HDB fan runs quietly at 40 °C ambient
  • 105 °C Japanese capacitors ensure long-term stability

850 W ATX fully modular PSU

The COUGAR GEX850 delivers 850 W through a single +12 V rail in an ATX12V form factor. Full modular cabling lets you connect only the leads your build requires. A 120 mm hydro-dynamic-bearing fan and 105 °C Japanese capacitors maintain stable output up to 40 °C ambient.

Suits high-end GPUs; not for builds needing more

Six 6+2-pin PCIe connectors support dual high-end graphics cards and two 4+4-pin CPU plugs feed modern processors. Eight SATA and six peripheral plugs cover storage and accessories. Systems requiring multiple +12 V rails or higher total wattage should choose a different unit.

160 mm depth decides case fit

The unit measures 160 mm long, 150 mm wide and 86 mm tall, so verify chassis clearance before purchase. 80 PLUS Gold certification guarantees up to 91 % efficiency at typical loads. Protections include UVP, OCP, OVP, SCP, OPP and OTP for component safety.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $52.99
Cheaper than about 90% of the 10,869 comparable items (median $142.99).
Max wattage 850 W
Typical for this category: the median of 930 items is 850 W.

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Specifications

Product
Brand nameCOUGAR
Product lineGEX Series
Model nameGEX850
Product typeATX12 V
Ports & slots
PCIe power connectors6 × 6+2-Pin
SATA power connectors8
Output type+3.3 V@20A, +5 V@20A, +5VSB@3A
Connection types1 x Main 24(20+4) Pins
2 x CPU 8(4+4) Pins
6 x PCI-E 8(6+2) Pins
8 x S-ATA 5 Pins
6 x Peripherals 4 Pins
Power
Max wattage850 W
Modular cablingFull Modular
Main power connector20+4Pin
12V railsSingle
Efficiency certification80 PLUS GOLD Certified
Supply voltage100–240 V
AC input frequency50/60 Hz
Rated input current12–6 A
Size & build
Product dimensions3.39 in × 5.91 in × 6.3 in
Product weight3.44 lb (1.56 kg)
Shipping weight2.81 kg
Package size333 × 230 × 112 mm
Compatibility
PSU length limit160 mm
More details
Fan configuration1 × 120 mm

Other versions of this model

1 more in the same range

Questions about this item

Will this PSU fit in a case with a 160 mm depth limit?

The unit is 160 mm long, so it matches that limit exactly; verify your case clearance before ordering.

Can it power a graphics card that needs three 8-pin PCIe connectors?

Yes, the PSU includes six 6+2-pin PCIe cables, enough for three 8-pin connections.

Is the 850 W rating continuous at typical ambient temperatures?

The unit is tested for optimal performance at 40 °C, supporting sustained 850 W output under those conditions.

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