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GIGABYTE GP-UD1000GM PG5 V2 1000 W 80 PLUS GOLD Certified Active PFC Power Supply
- 80 PLUS GOLD Certified
- 100 - 240 V
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Overview
Specs
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 1 year
- Limited Warranty period (labor): 1 year
- Read full details
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Newegg.com's 30-Day Return Policy.
- Read full return policy for details.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-626-854-9338
- Support Website
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The GIGABYTE GP-UD1000GM PG5 V2 is a 1000W 80 PLUS Gold power supply for high-power desktop PCs, including gaming systems, creator workstations, and performance-focused builds that need substantial power capacity and efficiency.
Recommended For
- PC builders using a high-end single-GPU system, such as an RTX 4080/4090-class or newer graphics card, who want a native 12V-2x6 connection and ATX 3.1 support without using a multi-adapter setup.
- DIY builders assembling performance gaming PCs or creator workstations that need up to 1000W for a high-power CPU, discrete GPU, multiple drives, and future component upgrades.
- Users upgrading an existing ATX desktop who want easier cable management through a fully modular design while keeping a 1000W power supply in a relatively compact 150 x 140 x 86 mm chassis.
- Value-focused builders who prioritize modern GPU compatibility, 80 PLUS Gold-class efficiency, standard protection features, and a long warranty over the quietest operation or the strongest performance tuning in the 1000W category.
Real-World Use Scenarios
- A user building a high-end gaming PC can pair this power supply with a modern graphics card that uses a native 12+4-pin PCIe power connection, reducing reliance on separate adapter cables. The system should have substantial power headroom for gaming, although cable routing still requires careful installation.
- For a gaming and productivity workstation with a high-end CPU, discrete GPU, multiple SSDs, and several case fans, the 1000-watt capacity provides room for simultaneous workloads and future component upgrades. Under sustained heavy loads, users should expect the fan to become more noticeable than it is during lighter desktop use.
- A user upgrading from an older power supply to a current-generation GPU can use the native PCIe 12+4-pin cable to simplify the graphics-card connection. This is most practical when the case has enough room for the cable bend radius and the user follows the installation guidance instead of sharply bending the connector near the plug.
- In an everyday home or office PC that spends most of its time browsing, streaming, editing documents, or playing lighter games, the Gold-rated design is intended to limit wasted power compared with a lower-efficiency unit. The fan experience should generally be less intrusive at low or moderate loads, but this model is not optimized for completely silent operation during extended high-power use.
- A builder using several SATA SSDs or hard drives, additional peripherals, and multiple CPU or GPU power leads can take advantage of the included modular cabling. The result is a flexible installation for larger gaming, storage, or workstation systems, though users should avoid overloading or routing high-current connectors carelessly.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | High-power desktop computers and component configurations that need a 1000 W, full-modular power supply with ATX 3.1 and PCIe 5.1 support |
| Power Capacity And Efficiency | 1000 W output with 80 PLUS GOLD certification and efficiency above 90% |
| Input Power | 100–240 V input with 12A–6.5A input current |
| Cooling And Reliability | Air-cooled by one 120 mm Fluid Dynamic Bearing fan, with an MTBF exceeding 100,000 hours |
| Protection | Protection against over-voltage, over-power, short circuit, under-voltage, over-current, and over-temperature conditions |
| Modularity And Connectors | Full-modular power supply design with 8 PSU connectors and a 20+4-pin ATX connector type |
| Physical Specifications | Black power supply measuring 5.90551 × 5.51181 × 3.38583 inches and weighing 3 kg |
| Model Identifiers | GIGABYTE GP-UD1000GM PG5 V2 |
Reference Q&A
Q: Is the Gigabyte UD1000GM PG5 V2 better than the UD850GM PG5 V2?
A: Choose the UD1000GM PG5 V2 when you are building around a high-power graphics card, want more upgrade headroom, or expect sustained system loads above the 850W range. Both models are ATX 3.1, 80 PLUS Gold, fully modular units with a native 12V-2x6 connector and the same 150 x 140 x 86 mm chassis, but the UD1000GM provides 1000W instead of 850W. Choose the UD850GM when your estimated system load is comfortably below 850W and the lower-capacity model is meaningfully less expensive. ([gigabyte.com](https://www.gigabyte.com/za/Power-Supply/GP-UD1000GM-PG5-V2/sp))
Q: Should I buy the Gigabyte UD1000GM PG5 V2 or the Corsair RM1000x ATX 3.1?
A: Choose the Gigabyte UD1000GM PG5 V2 when its lower price or its eight SATA connectors is more important than acoustic refinement. Choose the Corsair RM1000x ATX 3.1 when you prioritize lower noise and stronger overall test performance. Hardware Busters describes the Gigabyte as a functional ATX 3.1 1000W platform with good ripple suppression and compact dimensions, while noting that the RM1000x offers better performance and lower noise output. ([hwbusters.com](https://hwbusters.com/psus/gigabyte-ud1000gm-pg5-v2-1000w-atx-v3-1-psu-review/11/))
Q: Is the UD1000GM PG5 V2 a worthwhile upgrade from the original UD1000GM PG5?
A: The UD1000GM PG5 V2 is the more appropriate choice for a new build using a current-generation graphics card because it is specified for ATX 12V v3.1 and includes a native 12V-2x6 connector. The original UD1000GM PG5 was an earlier ATX 3.0-era design, and professional testing found that it did not pass all of the corresponding transient-response tests. If you already own the original unit and it is operating normally, the upgrade benefit is mainly improved platform alignment and connector support rather than a guaranteed increase in gaming performance. ([gigabyte.com](https://www.gigabyte.com/za/Power-Supply/GP-UD1000GM-PG5-V2/sp))
Q: Is the Gigabyte UD1000GM PG5 V2 suitable for a quiet gaming PC?
A: It is suitable for a performance-focused gaming PC, but it is not the strongest choice when low operating noise is the primary requirement. Hardware Busters measured average noise above 30 dBA and found that the fan ramps up noticeably as load increases. For a quiet build, compare it with a unit that maintains passive or low-speed fan operation over a wider load range; choose the Gigabyte when 1000W capacity, ATX 3.1 support, and price matter more than acoustic performance. ([hwbusters.com](https://hwbusters.com/psus/gigabyte-ud1000gm-pg5-v2-1000w-atx-v3-1-psu-review/9/?utm_source=openai))
Q: Is 1000W enough for a high-performance gaming or workstation PC?
A: The GIGABYTE GP-UD1000GM PG5 V2 can deliver up to 1000W, making it suitable for many high-performance desktop builds. Actual compatibility depends on the combined power draw of the CPU, GPU, drives, and other components, plus the connectors required by the graphics card. Check the GPU and CPU manufacturers' recommended PSU ratings before buying.
Q: Does this power supply support PCIe 5.0 or a direct 12VHPWR/12V-2x6 GPU connection?
A: The supplied product specifications do not confirm PCIe 5.0, 12VHPWR, or 12V-2x6 support. The 1000W rating alone does not verify compatibility with a particular next-generation graphics card. Confirm the included GPU cables and the manufacturer's compatibility documentation before purchase.
Q: Is this power supply modular?
A: The provided specifications do not state whether the GP-UD1000GM PG5 V2 is modular, semi-modular, or non-modular. Buyers who need flexible cable management should verify the modularity specification, included cable list, and product photos before purchasing.
Q: Is this power supply quiet enough for everyday use and gaming?
A: It uses a 120mm fluid dynamic bearing fan, which is designed for durable, smooth operation. However, the supplied specifications do not provide a decibel rating or confirm a zero-RPM fan mode, so silent operation at low loads cannot be guaranteed.
Q: Is this power supply energy-efficient and protected against common electrical faults?
A: Yes. It is 80 PLUS Gold certified, specifies efficiency above 90%, and uses active PFC. It also lists over-voltage, over-power, short-circuit, under-voltage, over-current, and over-temperature protection. These features improve power-conversion efficiency and fault protection, but they do not replace correct system sizing or proper installation.
Q: Is the GIGABYTE GP-UD1000GM PG5 V2 suitable for a high-end gaming PC?
A: It is suitable for high-power gaming systems when the build requires up to 1000 W. Community discussions specifically consider it for systems using GPUs such as the RTX 5080, RTX 5070 Ti, RX 9070 XT, and similar high-end components. However, a lower-wattage PSU may be sufficient for systems with lower power requirements.
Q: Is the GIGABYTE GP-UD1000GM PG5 V2 worth buying over other 1000 W power supplies?
A: It can be considered when priced substantially below competing 1000 W models, but Reddit comparisons frequently favor alternatives such as the Corsair RMx, MSI MPG A1000G, ASUS TUF, or Seasonic Focus GX-1000 when prices are similar. The main trade-off is potential savings versus stronger community preference for competing models.
Q: Does the GIGABYTE GP-UD1000GM PG5 V2 have any reliability concerns?
A: Reliability is a recurring concern in community discussions because of Gigabyte’s earlier PSU reputation and isolated reports of UD1000GM units failing. These discussions do not establish a failure rate for the PG5 V2 specifically, so buyers should weigh the model’s protections, 1000 W capacity, and warranty against competing PSUs with stronger community confidence.
Q: Are the GIGABYTE GP-UD1000GM PG5 V2’s cables sufficient for a modern gaming build?
A: The PSU is generally discussed as having enough connectivity for high-end GPU builds, but users should verify the included PCIe, CPU, and motherboard cables against their specific components. One Reddit installation discussion raised questions about split CPU power connectors, so the motherboard manual and the PSU cable labels should be checked before installation.
Q: What are the main trade-offs of choosing the GIGABYTE GP-UD1000GM PG5 V2?
A: The main advantages are 1000 W capacity, 80 PLUS Gold efficiency, active PFC, modular-style build discussions, and multiple protection features. The main trade-offs raised in testing and community discussions are higher noise under load, questions about platform performance, and less consistent buyer confidence than competing 1000 W units.