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Rectangular matte-black ATX power supply, 150 by 150 by 86 mm, fully modular cable sockets on one face

ASUS

ASUS TUF-GAMING-850G 850 W ATX 3.0 power supply

SKU CH-N1QB-91QXM MPN TUF-GAMING-850G

A fully modular ATX 3.0 unit delivers 850 W through an 80 Plus Gold design with military-grade components and a 16-pin PCIe Gen 5 cable

  • Max wattage850 W
  • Modular cablingFull Modular
  • Main power connector20+4Pin
  • PCIe power connectors3 × 8-Pin
  • SATA power connectors5
  • PSU length limit150 mm

Model ATX 80+ Gold (850W)

  • 850 W output powers high-end builds
  • ATX 3.0 compatible with 600 W PCIe Gen 5 cable
  • 80 PLUS Gold efficiency from Japanese capacitors
  • Fully modular etched cables simplify cable management
  • Dual ball-bearing fan lasts twice as long as sleeve designs

ATX 3.0 Compatible 850 W Power Supply

The ASUS TUF-GAMING-850G delivers 850 W of continuous power through an ATX 3.0 compliant design. It targets builders assembling systems with PCIe Gen 5.0 graphics cards that demand up to 600 W via the 16-pin connector. Military-grade capacitors and chokes back the 80 PLUS Gold efficiency rating. A protective PCB coating guards against moisture and dust.

Check Clearance Cable Lengths And Connectors

Verify that your case accepts a 150 mm deep unit and that the 610 mm motherboard cable reaches your board. Confirm the two 650 mm CPU 4+4-pin cables suit your socket placement. Ensure the single 675 mm PCIe Gen 5 16-pin cable plus the three 8-pin PCIe cables match your graphics card requirements. Check the five SATA and four peripheral connectors against your drive count.

Fully Modular Cabling Frees Up Space

The fully modular interface lets you attach only the cables your build needs reducing clutter inside the chassis. Included cables cover the 24-pin motherboard dual CPU power the 16-pin PCIe Gen 5 connector three 8-pin PCIe runs SATA chains and peripheral leads. Axial-tech fan design with dual ball bearings maintains airflow at lower noise. The 150 x 150 x 86 mm footprint fits standard ATX bays.

How it compares

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

Price $106.99
Cheaper than about 64% 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 nameTUF-GAMING-850G
Product typeATX 3.0 Compatible / ATX12 V
Ports & slots
PCIe power connectors3 × 8-Pin
SATA power connectors5
Output type+3.3 V@25A, +5 V@25A, +5VSB@3A
Connection typesMB 24/20-pin x 1
CPU 4+4-pin x 2
PCI-E 16-pin x 1
PCI-E 8-pin x 3
SATA x 5
PERIPHERAL x 4
Power
Max wattage850 W
Modular cablingFull Modular
Main power connector20+4Pin
Efficiency certification80 PLUS GOLD Certified
Built-in protectionOPP/OVP/UVP/SCP/OCP/OTP
Supply voltage100–240 V
Size & build
Product dimensions150 × 150 × 86 mm
Product weight2.38kg (single PSU)
Shipping weight2.95 kg
Package size311 × 202 × 112 mm
Compatibility
PSU length limit150 mm

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