Phanteks
Phanteks PH-P850G Amp 850 W power supply
A fully modular ATX power supply delivering 850 W with 80 PLUS Gold efficiency, a 120 mm fluid-dynamic-bearing fan, and a compact 140 mm depth
- ColorBlack
- TypeATX12V
- Maximum Power850 W
- Fans1 x 120 mm
- Main Connector20+4Pin
- +12V RailsSingle
Options ATX 80+ Gold (850W)
- ATX 80+ Gold (1000W)
- ATX 80+ Gold (750W)
- ATX 80+ Gold (850W)
- 850 W continuous power from a single +12 V rail rated at 70 A
- 80 PLUS Gold efficiency reduces waste heat across 100 to 240 V input
- Fully modular cables keep the build tidy and airflow clear
- 120 mm fluid-dynamic-bearing fan stays off below 40 % load for silent operation
- Compact 140 mm depth fits small-form-factor cases while delivering high power density
Compact 850 W ATX supply
The Phanteks Amp PH-P850G is an 850 W ATX12V power supply with full modular cabling and 80 PLUS Gold certification. A single +12 V rail delivers up to 70 A for modern graphics cards and CPUs. The unit measures 140 mm deep, fitting compact cases while maintaining high power density. It operates on 100 to 240 V input at 50 or 60 Hz.
Builders who value cable management
Full modular design lets you connect only the cables your build needs, reducing clutter in small chassis. The 120 mm fluid dynamic bearing fan stays off below 40 percent load for silent idle and light workloads. Systems requiring multiple GPU power connectors are supported with several 6-pin and 8-pin leads. Users needing active PFC or SLI and CrossFire certification should consider other models.
Straightforward installation
Four mounting screws secure the 140 mm deep chassis in any ATX case. Modular connectors are keyed to prevent mis-insertion and the copper plate backpanel ensures solid contact. The most common issue is forgetting to plug the 20+4 pin main and CPU power cables before first boot. Fanless mode engages automatically so no software setup is required.
Points forts
- 850 W continuous power from a single +12 V rail rated at 70 A
- 80 PLUS Gold efficiency reduces waste heat across 100 to 240 V input
- Fully modular cables keep the build tidy and airflow clear
- 120 mm fluid-dynamic-bearing fan stays off below 40 % load for silent operation
- Compact 140 mm depth fits small-form-factor cases while delivering high power density
Caractéristiques
| Brand | Phanteks |
|---|---|
| Series | Amp |
| Model | PH-P850G |
| Color | Black |
| Type | ATX12V |
| Maximum Power | 850 W |
| Fans | 1 x 120 mm |
| Main Connector | 20+4Pin |
| +12V Rails | Single |
| Max PSU Length | 140 mm |
| Modular | Full Modular |
| Energy-Efficient | 80 PLUS GOLD Certified |
| Input Voltage | 100 - 240 V |
| Input Frequency Range | 50/60 Hz |
| Input Current | 12 - 6 A |
| Output | +3.3V@20A, +5V@20A, +12V@70A, [email protected] , +5VSB@3A |
| MTBF | >100,000 Hours |
| PFC | No |
| SLI | No |
| CrossFire | No |
| Dimensions | 3.30" x 5.90" x 5.50" |
| SATA Power Connector | 8 |
| Poids d’expédition | 3.00 kg |
| Dimensions du colis | 312 × 183 × 119 mm |
Autres versions de ce modèle
2 de plus dans cette gamme
Même famille, mémoire, ventirad ou fréquence différents — comparez avant de vous décider.
Questions sur cet article
What motherboard power connector does the 850 W Amp need?
The PSU uses a standard 20+4 pin ATX12V main connector that plugs into any modern motherboard.
Will the 140 mm depth fit alongside my existing full-length graphics card?
At 140 mm long the unit is compact enough for most mid-tower cases even with a long GPU installed.
How can I confirm the fanless mode is active under light load?
The fan stays completely stopped until the load exceeds 40 % of the 850 W rating, so silence at idle means it is working.
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