DeepCool PN850D 850W ATX Power Supply
£61.71 inc VAT
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About This Item
- 850 W non-modular ATX 3.1 power supply with 80 PLUS Gold efficiency
- Dynamic 120 mm hydro bearing fan with top airflow for active cooling
- Supports PCIe 5.1 with 16-pin connector for modern GPUs up to 600 W
- Comprehensive protection suite: OPP, OVP, SCP, OTP, OCP, UVP, NLO, SIP
- 2 EPS, 3 PCIe 6+2, and 8 SATA connectors for versatile component compatibility
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DeepCool PN850D | 850 W ATX 3.1 Gold Power Supply
The DeepCool PN850D power supply unit 850 W 20+4 pin ATX ATX Black delivers stable, high-efficiency power for modern gaming and workstation PCs. With ATX 3.1 and PCIe 5.1 compliance, this non-modular PSU provides reliable performance for both legacy and next-generation components.
Key Specifications
| Metric | Spec |
|---|---|
| Power Output | 850 W |
| Efficiency | 80 PLUS Gold |
| ATX Version | 3.1 |
| Cooling | 120 mm hydro bearing fan |
| Cabling | Non-modular |
Future-Proof Power Delivery
The PN850D is engineered to handle demanding modern hardware with its ATX 3.1 compliance and dedicated 12V-2×6 connector. This configuration provides three times the GPU power excursion tolerance for 0.1 ms, ensuring stable operation during power spikes from high-performance graphics cards. With 2 EPS and 3 PCIe connectors plus one 16-pin PCIe 5.1 connector, this PSU supports the latest GPU architectures while maintaining compatibility with older systems.
Gold Efficiency Meets Cybenetics Certification
Achieving 80 PLUS Gold certification means the PN850D operates at over 90% efficiency under typical loads, reducing wasted energy and heat output. The Cybenetics Gold rating further validates this power supply’s exceptional performance across various load conditions. This efficiency translates to lower electricity bills and cooler system operation, particularly beneficial for users running their PCs for extended periods or in warmer environments.
Built-In Protection Systems
Comprehensive safety features protect both the PSU and connected components from electrical faults. The PN850D includes over-power protection (OPP), over-voltage protection (OVP), short-circuit protection (SCP), over-temperature protection (OTP), over-current protection (OCP), under-voltage protection (UVP), no-load operation capability, and surge & inrush protection (SIP). These safeguards provide peace of mind for users building valuable systems, preventing damage from unexpected power fluctuations.
Box Contents
- DeepCool PN850D power supply unit
- AC power cable
- Cable ties
- User manual
Check Before You Buy
- Confirm your case has sufficient space (150 x 140 x 86 mm)
- Verify your GPU requires a 16-pin PCIe 5.1 connector
- Check if non-modular cabling suits your build preferences
- Ensure your system’s total power draw stays under 850 W
Questions and answers
Is this PSU compatible with PCIe 5.0 graphics cards?
Can I use this power supply in a small form factor case?
Does this PSU have a semi-modular design?
What’s the MTBF rating for this power supply?
Is the fan quiet during normal operation?
Our recommendation
The DeepCool PN850D power supply unit 850 W 20+4 pin ATX ATX Black represents excellent value for users building or upgrading gaming systems, content creation workstations, or any PC requiring reliable ATX 3.1 compliance. Its combination of Gold efficiency, comprehensive protection, and modern connectivity makes it suitable for both current and upcoming hardware generations. Covered by the applicable manufacturer warranty, this PSU offers dependable performance without unnecessary complexity.
| Weight | 2.6 kg |
|---|---|
| Purpose | PC |
| ATX version | 3.1 |
| Mean time between failures MTBF | 100000 h |
| Bearing technology | HYB |
| Product colour | Black |
| Fan diameter | 12 cm |
| On/off switch | Yes |
| Number of fans | 1 fan(s) |
| Fan location | Top |
| Cooling type | Active |
| Total power | 850 W |
| Power Good signal delay range | 100 – 150 ms |
| AC input voltage | 100 – 240 V |
| AC input frequency | 50/60 Hz |
| Input current | 10 – 5 A |
| Power Factor Correction PFC type | Active |
| Combined power +3.3V | 110 W |
| Combined power +5V | 110 W |
| Combined power -12V | 3.6 W |
| Combined power +5Vsb | 15 W |
| Max output current +3.3V | 20 A |
| Max output current +5V | 20 A |
| Max output current -12V | 0.3 A |
| Max output current +5Vsb | 3 A |
| Power protection features | No load operation, Over power, Over voltage, Overheating, Short circuit, Surge & inrush protection (SIP), Surge protection, Under voltage |
| Hold time | 16 ms |
| Efficiency | 90% |
| Motherboard power cable length | 55 cm |
| SATA power cable length | 550,750,450,650 mm |
| Peripheral Molex power cable length | 850 mm |
| CPU power cable length | 70 cm |
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 8 |
| Peripheral Molex power connectors 4-pin | 2 |
| PCI Express power connectors 6+2 pin | 3 |
| CPU power connector 4+4 pin | Yes |
| ATX power connector 20+4 pin | Yes |
| Cabling type | Non-Modular |
| PCI Express power connectors 16-pin | 1 |
| Number of EPS connectors | 2 |
| Operating temperature T-T | 0 – 40 °C |
| Cable ties included | Yes |
| Width | 150 mm |
| Depth | 140 mm |
| Height | 86 mm |
| Cables included | AC |
| Package type | Box |
| Sustainability compliance | Yes |
| Sustainability certificates | ErP, Triman |
| Compliance certificates | CCC, CE, EAC, Federal Communications Commission (FCC), RCM, RoHS, WEEE |
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