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Black rectangular ATX power supply with silver fan grille and front OLED panel, fully modular cable sockets visible

ASUS

ASUS ROG-THOR-850P2-GAMING 850 W power supply

SKU CH-803D-V52K7 MPN ROG-THOR-850P2-GAMING

Fully modular ATX unit delivers 850 W with 80 Plus Platinum efficiency, a 135 mm PWM fan with 0 dB mode, real-time OLED power monitoring, and Aura Sync lighting

  • Max wattage850 W
  • Modular cablingFull Modular
  • Fan configuration1 × 135 mm Wing-blade Fan
  • PCIe power connectors3 × 6+2-Pin
  • SATA power connectors10
  • PSU length limit160 mm

Model ATX 80+ Platinum (850W)

  • Lambda A++ certification delivers near-silent operation at typical loads
  • 80 Plus Platinum efficiency reduces waste heat and lowers running costs
  • Fully modular design with sleeved cables simplifies clean cable routing
  • OLED panel shows real-time power draw for instant monitoring
  • 135 mm wing-blade fan with 0 dB mode stops completely under light load

850 W ATX power supply for high-end builds

This 850 W ATX unit targets enthusiasts who need clean, stable power for demanding graphics cards and multi-core processors. The fully modular design means only the cables you actually use stay inside the case, simplifying routing and improving airflow. Lambda A++ certification confirms very low acoustic output even under load. An integrated OLED panel shows real-time power draw without extra software.

Premium build with quiet cooling and flexible cables

ROG heatsinks cover critical components to keep temperatures down and reduce fan speed requirements. The 135 mm wing-blade fan uses PWM control and a 0 dB mode that stops the blades completely at low loads. All cables are individually sleeved and supplied with combs for the 24-pin, 8-pin and 6-pin connectors, giving a tidy, professional finish. Aura Sync compatibility allows the addressable RGB lighting to be synchronised with other compatible hardware.

Check case depth and GPU power needs before ordering

The unit is 160 mm deep, so verify that your chassis allows at least that much clear length from the mounting face. Your graphics card must be compatible with either the single 16-pin PCIe connector or the three 6+2-pin PCIe connectors provided. The motherboard requires both a 24-pin and two 4+4-pin CPU power headers. Ten SATA and six peripheral connectors are available for drives and accessories.

How it compares

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

Price $167.99
Pricier than about 56% 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 nameASUS
Model nameROG-THOR-850P2-GAMING
Product typeATX
Ports & slots
PCIe power connectors3 × 6+2-Pin
SATA power connectors10
Output type+3.3 V@20A, +5 V@20A, +12 V@71A, +5VSB@3A
Connection typesMB 24/20-pin x 1
CPU 4+4-pin x 2
PCI-E 16-pin x 1
PCI-E 6+2-pin x 3
SATA x 10
PERIPHERAL x 6
Power
Max wattage850 W
Modular cablingFull Modular
Efficiency certification80 PLUS PLATINUM Certified
Built-in protectionOPP/OVP/UVP/SCP/OCP/OTP
Supply voltage100–240 V
Size & build
Product dimensions160 × 150 × 86 mm
Product weight1.865kg
Shipping weight4.22 kg
Package size381 × 241 × 135 mm
Compatibility
PSU length limit160 mm
More details
Fan configuration1 × 135 mm Wing-blade Fan

Other versions of this model

3 more in the same range

Questions about this item

What does the 80 PLUS PLATINUM rating mean for real-world efficiency on this unit?

The 80 PLUS PLATINUM certification confirms high efficiency across typical loads, reducing waste heat and lowering electricity cost.

Will the 160 mm length and 150 mm width fit my ATX case?

The PSU measures 160 mm long, 150 mm wide and 86 mm tall, so verify your case clearance against those dimensions.

Which cables must I plug in during installation, and what is the common mistake?

Connect the 24-pin motherboard cable, both CPU 4+4-pin cables, the 16-pin PCIe cable and any 6+2-pin PCIe cables your GPU needs; the frequent error is leaving a required CPU or PCIe cable unplugged.

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