GIGABYTE GP-UD1000GM 1000W 80 Plus Gold Certified Fully Modular Power Supply
Bottom line: The GIGABYTE GP-UD1000GM 1000W 80 Plus Gold Certified Fully Modular Power ($146.98 on Amazon as of 2026-10-20 22:12 UTC): 1000W single +12V rail powers high-end GPUs and multi-drive rigs; main trade-off: 1000W is overkill for mid-range single-GPU builds. Another in-stock pick with the same 1000W 80 Plus Gold fully modular ATX power supply: the Corsair RMX Series, $234.99 on Amazon as of (price may vary).
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*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.
Pros & Cons
Pros
- ✓ 1000W single +12V rail powers high-end GPUs and multi-drive rigs
- ✓ 80 Plus Gold certified for efficient, cooler operation under load
- ✓ Fully modular cabling cuts clutter and improves case airflow
- ✓ Japanese capacitors for better heat tolerance and longevity
Cons
- ✗ 1000W is overkill for mid-range single-GPU builds
- ✗ 80 Plus Gold trails Platinum/Titanium units on peak efficiency
- ✗ Listing omits warranty length—confirm with the manufacturer
- ✗ ATX spec listed, not ATX 3.0—verify 12VHPWR/PCIe 5.0 needs
Manufacturer description
The GP-UD850GM introduces a variety of high-quality materials and top-notch design. Enjoy unrivaled performance with Japanese capacitors, and a +12V Single Rail which will provide exceptional power output and stability for your system.
SpecPicks Verdict
SpecPicks scored GIGABYTE GP-UD1000GM 1000W 80 Plus Gold Certified Fully Modular… using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Compare with similarly-priced alternatives in the power supplies category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- 1000W Capactiy with Single +12V Rail
- 80 Plus Gold Certified
- ATX Form Factor
- Fully Modular Design
- Japanese Capacitors
Full Specifications
| Brand | GIGABYTE |
|---|---|
| Wattage | 1000 watts |
| Model Name | GP-UD1000GM |
| Form Factor | ATX |
| Model Number | GP-UD1000GM |
| Connector Type | ATX |
| Cooling Method | Hybrid |
| Output Wattage | 1000 watts |
| Item Dimensions | 5.51 x 5.96 x 3.38 inches |
| Mfr Part Number | GP-UD1000GM |
| Compatible Devices | Personal Computer |
| Power Supply Design | Full Modular |
| Warranty Description | 10 Year |
| Maximum Input Voltage | 240 volts_of_alternating_current |
| Minimum Input Voltage | 100 volts_of_alternating_current |
| Item dimensions L x W x H | 5.51 x 5.96 x 3.38 inches |
| System Bus Connector Type | 4+4 Pin |
| Connector Type Used on Cable | ATX |
Ready to buy?
GIGABYTE GP-UD1000GM 1000W 80 Plus Gold Certified Fully Modular Power Supply is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.
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