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GIGABYTE GP-UD1000GM PG5 ICE 1000 W 80 PLUS GOLD Certified Active PFC Power Supply
- 80 PLUS GOLD Certified
- 100 - 240 V
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Specs
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Learn more about the GIGABYTE GP-UD1000GM PG5 ICE
| Brand | GIGABYTE |
|---|---|
| Model | GP-UD1000GM PG5 ICE |
| Maximum Power | 1000 W |
|---|---|
| Fans | 120mm Fluid Dynamic Bearing (FDB) Fan |
| PFC | Active |
| Efficiency | > 90% |
| Energy-Efficient | 80 PLUS GOLD Certified |
| Over Voltage Protection | "OVP/OPP/SCP/ UVP/OCP/OTP" |
| Input Voltage | 100 - 240 V |
| Input Current | 12A-6.5A |
| MTBF | >100,000 Hours |
| First Listed on Newegg | January 13, 2026 |
|---|
Warranty & Returns
Warranty, Returns, And Additional Information
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Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
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The GIGABYTE GP-UD1000GM PG5 ICE is a 1000W 80 PLUS Gold power supply for high-performance desktop PCs, including gaming systems and workstations that need substantial power capacity, active PFC, and multiple protection features.
Recommended For
- PC builders assembling a high-end gaming or creator desktop with a modern PCIe 5.1 graphics card can use the native 12V-2x6 cable and 1000 W capacity without relying on multiple adapter cables.
- Users upgrading to a power-hungry GPU who want substantial wattage headroom can choose this supply for demanding gaming, rendering, or GPU-accelerated workloads.
- Builders who prefer clean cable management can use the fully modular design to connect only the motherboard, CPU, GPU, storage, and accessory cables required by the system.
- Users who want quiet operation during browsing, writing, and other light desktop work can benefit from the semi-passive fan behavior reported below roughly 20 percent load.
Real-World Use Scenarios
- A builder pairs the PSU with a high-end single-GPU gaming PC, such as a system using an RTX 4080-class or similar graphics card. The native 16-pin PCIe cable simplifies GPU power wiring and provides enough capacity for demanding gaming loads, provided the specific graphics card and cable requirements are checked.
- A user is building a white-themed gaming PC and wants the power supply to fit the visual design. The ICE version is intended for white builds, while its fully modular cabling lets the builder install only the connections needed for the motherboard, graphics card, storage, and accessories, reducing unused cable clutter.
- A builder wants extra power headroom for a performance PC that may receive a faster graphics card or additional components later. The 1000 W capacity can support a high-end single-GPU system and leaves more margin for transient GPU loads than a lower-wattage unit, but it is generally unnecessary for mainstream gaming systems.
- A user runs long gaming, rendering, or compute sessions and expects the PSU to remain within normal operating limits. Independent testing shows stable regulation and acceptable efficiency, but the fan becomes clearly audible as load rises, so users seeking a very quiet workstation may prefer a quieter PSU design.
- A builder is upgrading from an older power supply to a newer graphics card with a 16-pin PCIe power input. The included native 16-pin cable can make the installation cleaner than using multiple older PCIe adapters, but the connector should be fully inserted and routed without sharp bends near the plug.
- A user installs the PSU in a compact or cable-managed ATX gaming case. The compact enclosure and modular cables can make installation easier and improve cable routing, although the case still needs adequate ventilation because PSU fan noise increases during sustained high-power use.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | 1000 W desktop computer builds using a full-modular ATX 3.1 and PCIe 5.1 power supply with active PFC and 80 PLUS Gold efficiency |
| Power Output And Efficiency | 1000 W maximum output with efficiency above 90% and 80 PLUS Gold certification |
| Input Power And Protection | Accepts 100–240 V input at 12A–6.5A and includes over-voltage, over-power, short-circuit, under-voltage, over-current, and over-temperature protection |
| Cooling | Air-cooled by a 120 mm fluid dynamic bearing fan |
| Modularity And Connectors | Full-modular power supply design with 8 PSU connectors, including a 20+4-pin ATX connector |
| Reliability | MTBF rated above 100,000 hours |
| Physical Specifications | White chassis measuring 5.90551 × 5.51181 × 3.38583 inches and weighing 5.68 pounds |
| Model Identifiers | GIGABYTE GP-UD1000GM PG5 ICE |
Reference Q&A
Q: Is the GIGABYTE GP-UD1000GM PG5 ICE better than the 850W version for a gaming PC?
A: Choose the 1000W GP-UD1000GM PG5 ICE when you are using a high-power graphics card, a power-hungry CPU, or want more upgrade headroom. Choose the 850W model when your system has a lower power requirement and you do not expect major component upgrades. Both models are ATX 3.1, 80 PLUS Gold, fully modular designs with native 16-pin GPU power support; the main difference is total capacity: 1000W versus 850W. ([gigabyte.com](https://www.gigabyte.com/us/Power-Supply/GP-UD1000GM-PG5-ICE/sp?utm_source=openai))
Q: Should I buy the GP-UD1000GM PG5 ICE or the older UD1000GM PG5?
A: Choose the GP-UD1000GM PG5 ICE for a new build when ATX 3.1 and PCIe 5.1 support, a native 600W 16-pin cable, and white sleeved-style cables are priorities. The older UD1000GM PG5 still provides 1000W, 80 PLUS Gold efficiency, modular cabling, and a native 16-pin connector, but its official specification lists the older ATX 12V platform rather than ATX 3.1. ([gigabyte.com](https://www.gigabyte.com/us/Power-Supply/GP-UD1000GM-PG5-ICE/sp?utm_source=openai))
Q: How does the GIGABYTE GP-UD1000GM PG5 ICE compare with the Corsair RM1000x?
A: Both are 1000W fully modular power supplies with current-generation GPU cabling. Choose the GIGABYTE when you want a compact 140mm depth and white cables for a light-colored PC build. Choose the Corsair RM1000x when near-silent low-load operation, a zero-RPM fan mode, Cybenetics Gold certification, and a native 600W 12V-2x6 cable are more important. The choice is primarily about acoustics, cable appearance, and platform features rather than rated wattage. ([gigabyte.com](https://www.gigabyte.com/us/Power-Supply/GP-UD1000GM-PG5-ICE/sp?utm_source=openai))
Q: Is 1000W enough, or should I move up to a higher-wattage power supply?
A: The 1000W GP-UD1000GM PG5 ICE is the more appropriate choice when the complete system's calculated peak demand remains below 1000W and the build uses one graphics card. Move to a higher-wattage model when the CPU, GPU, storage, expansion cards, or planned overclocking create a peak-power requirement above 1000W. Extra wattage does not increase performance by itself, so the higher-capacity option is mainly justified by measured power needs and future expansion. ([gigabyte.com](https://www.gigabyte.com/us/Power-Supply/GP-UD1000GM-PG5-ICE/sp?utm_source=openai))
Q: Is the GP-UD1000GM PG5 ICE a good fit for a quiet PC?
A: It can suit a performance-focused system, but buyers prioritizing minimum noise should compare fan curves and independent acoustic tests before choosing it. The ICE model uses a 120mm hydraulic-bearing fan with a smart fan switch, while professional testing of the earlier UD1000GM PG5 reported roughly 35–40 dB(A) under its test conditions. For a quiet-build priority, a PSU with a documented zero-RPM mode and strong independent noise results may be a better match; for a high-power white build, the GIGABYTE offers 1000W capacity, compact 140mm depth, and native 16-pin GPU power. ([gigabyte.com](https://www.gigabyte.com/Power-Supply/GP-UD1000GM-PG5-V2-ICE/sp?utm_source=openai))
Q: Is a 1000W power supply suitable for a high-performance gaming or workstation PC?
A: Yes. The GIGABYTE GP-UD1000GM PG5 ICE provides up to 1000W, making it suitable for many high-performance desktop systems with a powerful graphics card, high-end processor, and multiple drives. Confirm that the power supply has the required connectors and that the case supports its physical dimensions before buying.
Q: Is this power supply energy-efficient enough for a gaming PC or workstation?
A: The unit is 80 PLUS Gold certified and rated above 90% efficiency, so it is designed to reduce energy waste during operation. Actual efficiency, heat, and power use will vary with system load; a 1000W capacity does not mean the computer continuously consumes 1000W.
Q: Will this power supply work with a 100V or 110V electrical system?
A: Yes. Its 100–240V input-voltage range supports common household power systems in the United States and many other countries. The listed input current is 12A–6.5A, depending on the input voltage and load.
Q: Is this power supply likely to run quietly?
A: It uses a 120mm fluid dynamic bearing fan, a design intended for durable and relatively smooth cooling operation. However, the available specifications do not state a zero-RPM mode, fan-curve behavior, or maximum noise level, so quietness under gaming or workstation loads cannot be guaranteed from the listed data alone.
Q: What should I verify before using this power supply with my graphics card and PC case?
A: Verify the required GPU power connectors, motherboard and CPU power connectors, cable quantity, PSU form factor, and physical length. The provided specifications confirm the 1000W capacity and electrical protections, but they do not list connector types, modular-cable details, or dimensions. These details are essential for confirming compatibility.
Q: Is the GIGABYTE GP-UD1000GM PG5 ICE suitable for a high-end gaming PC?
A: It is suitable for systems that genuinely need up to 1000 W, including high-end CPUs and GPUs, provided the graphics card’s power and connector requirements are met. For lower-power builds, a quality 850 W unit may be sufficient.
Q: Is the GP-UD1000GM PG5 a good value, or should I pay more for a higher-tier PSU?
A: It can be reasonable when priced substantially below higher-tier alternatives, but community discussions commonly describe the UD1000GM as adequate rather than premium. Buyers prioritizing stronger platform reputation, acoustics, or long-term confidence may prefer a higher-tier 1000 W model.
Q: Should I choose this 1000 W PSU instead of an 850 W model?
A: Choose 1000 W when the system has high transient GPU demands or planned upgrades. If the current build is comfortably below 850 W, the additional capacity may provide limited practical benefit beyond upgrade headroom.
Q: Can I use third-party or mixed modular cables with this power supply?
A: Do not mix modular cables from different PSU brands or models. Use the cables supplied with the unit, or an extension specifically confirmed as compatible; an incompatible modular cable can damage the PSU or connected components.
Q: Is the GP-UD1000GM PG5 reliable enough for a new build?
A: The unit includes standard protection features and 80 PLUS Gold efficiency, but community feedback is mixed: some users report normal operation, while others remain cautious about Gigabyte PSU history or recommend higher-tier alternatives. It is better suited to buyers who accept a value-oriented platform rather than those seeking the strongest available reputation.