ASRock
ASRock PG-850G 850 W power supply
Delivers 850 W through a fully modular ATX 3.1 and PCIe 5.1 design with a native 12V-2x6 connector, 80 PLUS Gold and Cybenetics Gold efficiency, a 135 mm FDB fan under iCool control.
- ColorBlack
- TypeATX3.1 & PCIe5.1
- Maximum Power850 W
- Fans135mm Striped Axial FDB Fan
- ModularFull Modular
- Energy-EfficientCybenetics Gold
Options 850W
- 850 W output handles demanding builds with 220 % excursion headroom
- 80 PLUS Gold plus Cybenetics Gold efficiency cuts waste heat and lowers bills
- Fully modular cabling keeps the case tidy and airflow clear
- 135 mm FDB fan with iCool mode stays silent until load demands cooling
- Native 12V-2x6 cable with TempGuard sensor protects against connector overheating
Power for ATX 3.1 and PCIe 5.1 builds
The ASRock PG-850G is an 850 W fully modular power supply built to the ATX 3.1 and PCIe 5.1 specifications. It targets system builders who need native 12V-2x6 connections for modern graphics cards and a quiet, efficient platform for current and future hardware.
850 W capacity with 220 % excursion headroom
The unit delivers 850 W continuous power and is rated to handle transient spikes up to 220 % of its maximum rating. 80 PLUS Gold and Cybenetics Gold certifications confirm high efficiency across typical loads, while the Lambda A noise rating and 135 mm FDB fan with iCool semi-passive operation keep acoustics low until higher power demands arrive.
Fully modular cabling with dual-colour 12V-2x6 lead
All cables detach completely, simplifying routing and reducing clutter inside the case. The native 12V-2x6 connector uses a green-and-black colour scheme to confirm full insertion, and an integrated NTC sensor triggers over-temperature protection at the GPU plug. A +5 V Boost switch raises the rail to approximately 5.15 V to compensate for voltage drop on heavily loaded systems. Japanese capacitors and a 100,000-hour MTBF rating support long-term reliability.
Highlights
- 850 W output handles demanding builds with 220 % excursion headroom
- 80 PLUS Gold plus Cybenetics Gold efficiency cuts waste heat and lowers bills
- Fully modular cabling keeps the case tidy and airflow clear
- 135 mm FDB fan with iCool mode stays silent until load demands cooling
- Native 12V-2x6 cable with TempGuard sensor protects against connector overheating
Specifications
| Brand | ASRock |
|---|---|
| Model | PG-850G |
| Color | Black |
| Type | ATX3.1 & PCIe5.1 |
| Maximum Power | 850 W |
| Fans | 135mm Striped Axial FDB Fan |
| Modular | Full Modular |
| Energy-Efficient | Cybenetics Gold |
| PSU Noise Level | Cybenetics A |
| MTBF | >100,000 Hours |
| Shipping weight | 3.54 kg |
| Package size | 305 × 229 × 127 mm |
Other versions of this model
5 more in the same range
Same family, different memory, cooler or clock — compare before you commit.
ASRock PG-1000G 1000W ATX3.1 PCIe5.1 power supply
- Black
- ATX3.1 & PCIe5.1
ASRock PG-1300G 1300 W ATX 3.1 power supply
- Black
- ATX3.1 & PCIe5.1
Questions about this item
Will the 135 mm FDB fan and ATX 3.1 design work with my older motherboard and GPU?
The unit follows ATX 3.1 and PCIe 5.1 specifications while remaining backward compatible with earlier ATX versions; the 135 mm FDB fan fits standard ATX cases and the fully modular cables let you connect only what your existing hardware needs.
How can I confirm the PSU is running as intended after installation?
The iCool intelligent fan control keeps the 135 mm FDB fan off at low to medium loads, so silent operation under light use is normal; the dual-colour 12V-2x6 connector shows green when fully seated, and the +5V Boost switch can be toggled to maintain the rail at approximately 5.15 V if required.
What cables come in the box and what must I source separately?
The fully modular package includes the native 12V-2x6 dual-colour cable with NTC sensor, ATX 24-pin, EPS and PCIe leads; no extra cables are required for a standard build.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.
Micron Technology, Inc. MT4JTF12864AZ-1G4D1 1GB DDR3 1333 Desktop RAM
- 1GB
- DDR3 1333 (PC3 1060…
Kingston Technology Corp. KTD-DM8400A/512 512MB DDR2 desktop RAM
- 512MB
- CL4








