GIGABYTE UD850GM PG5 V2 PSU – PCIe 5.1, 80 PLUS Gold
£90.83 inc VAT
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About This Item
- 850 W ATX 3.1 fully modular PSU
- 80 PLUS Gold efficiency with active PFC
- 12 cm HYB bearing fan with active cooling
- 100 000 h MTBF for long-term reliability
- Comprehensive protection: over current, power, voltage, overheating, short circuit, under voltage
- Multiple PCIe 6+2 pin and 16-pin connectors for high-end GPUs
- 10-year warranty with compact 150×140×86 mm form factor
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GIGABYTE UD850GM PG5 V2 | 850W ATX 3.1 PSU with PCIe Gen 5.1
The GIGABYTE UD850GM PG5 V2 Power Supply Unit delivers 850 watts of stable, efficient power for high-performance PC builds. With PCIe Gen 5.1 support, ATX 3.1 compliance, and 80 PLUS Gold certification, this fully modular PSU is designed for gamers, creators, and professionals who demand reliable energy delivery and clean cable management.
Key Specs
| Metric | Spec |
|---|---|
| Total Power Output | 850 W |
| ATX Version | 3.1 |
| Efficiency Certification | 80 PLUS Gold |
| PCIe Support | Gen 5.1 |
| Modular Design | Fully Modular |
| Fan Size | 120 mm |
| MTBF | 100,000 hours |
Next-Gen PCIe Gen 5.1 Ready
The UD850GM PG5 V2 supports PCIe Gen 5.1, making it future-proof for the latest graphics cards and high-speed storage devices. This ensures your system can handle next-generation hardware without power delivery bottlenecks, providing consistent performance during intensive workloads or gaming sessions.
ATX 3.1 Compliance for Modern Systems
Built to ATX 3.1 specifications, this PSU offers enhanced power delivery stability for modern multi-GPU and high-core-count CPU setups. The active power factor correction (PFC) and robust protections against overcurrent, overvoltage, and short circuits ensure safe operation under demanding conditions.
Fully Modular for Clean Builds
With fully modular cabling, you can connect only the cables you need, reducing clutter inside your case. This improves airflow, simplifies installation, and makes your build look professional. The included cables are long enough for most standard ATX cases, with motherboard, PCIe, and CPU connectors provided.
Advanced Cooling and Quiet Operation
The 120 mm HYB bearing fan provides efficient cooling while maintaining quiet operation. The intelligent thermal management adjusts fan speed based on system load, keeping noise levels low during light use and ramping up only when necessary for heavy workloads.
What Is in the Box
- GIGABYTE UD850GM PG5 V2 Power Supply Unit
- Modular cables (as per specifications)
- Mounting screws
- User manual
Things to Check First
- Confirm your system requires a 850 W PSU for your components
- Verify your case has enough space (150 x 140 x 86 mm)
- Ensure your GPU and motherboard are compatible with PCIe Gen 5.1
- Check if the EU plug is suitable for your region or if an adapter is needed
Buyer FAQs
Is this PSU compatible with Intel and AMD systems?
How many PCIe connectors does it have?
What is the warranty period?
Can I use this PSU outside the EU?
Buying advice
The GIGABYTE UD850GM PG5 V2 is an excellent choice for users building high-performance PCs who need reliable, efficient power with future-ready features like PCIe Gen 5.1 and ATX 3.1 support. Its fully modular design and quiet cooling make it suitable for both gaming and professional environments. Covered by the applicable manufacturer warranty, this PSU offers peace of mind for years of dependable operation.
| Weight | 2.55 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) |
| Cooling type | Active |
| Total power | 850 W |
| AC input voltage | 100 – 240 V |
| AC input frequency | 50/60 Hz |
| Input current | 12 – 6 A |
| Power factor | 0.9 |
| Power Factor Correction PFC type | Active |
| Combined power +3.3V | 105 W |
| Combined power +5V | 105 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 | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Hold time | 16 ms |
| Efficiency | 90% |
| Motherboard power cable length | 61 cm |
| SATA power cable length | 150,600 mm |
| Peripheral Molex power cable length | 150,500 mm |
| PCI Express power cable length | 70 cm |
| CPU power cable length | 60 cm |
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 8 |
| Peripheral Molex power connectors 4-pin | 3 |
| PCI Express power connectors 6+2 pin | 4 |
| CPU power connector 4+4 pin | Yes |
| PCI Express connector | Yes |
| Floppy drive power connector | 1 |
| Cabling type | Fully-Modular |
| PCI Express power connectors 16-pin | 1 |
| Number of EPS connectors | 2 |
| Width | 150 mm |
| Depth | 140 mm |
| Height | 86 mm |
| Weight | 2.4 kg |
| Package depth | 269 mm |
| Package width | 618 mm |
| Package height | 211 mm |
| Package type | Box |
| Package weight | 2.56 kg |
| Warranty period | 10 year(s) |
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