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- Best overall: NZXT C1000 Gold ATX 3.1 1000W Fully Modular Power Supply
- Best budget: MSI MAG A1000GL PCIE5 1000W 80 PLUS Gold Fully Modular Power Supply
- Best premium: Seasonic FOCUS GX-1000 ATX 3.1 1000W Fully Modular Power Supply
- Best for ATX 3.0 value: Thermaltake Toughpower GF3 1000W 80 PLUS Gold Fully Modular Power Supply
- Thermaltake Toughpower GF3 1000W suits buyers who want a 1000W ATX 3.0 power supply and native 12VHPWR support.
- NZXT C1000 Gold ATX 3.1 1000W stands out for a newer 12V-2×6 connector standard and a fully modular build.
- A 1000W Gold-rated PSU is a practical match for many high-performance gaming PCs, but check your graphics card maker’s wattage guidance.
- The best Black Friday 2026 pick depends on your case, cable needs, PSU warranty and the system you plan to build.
- Compare the full product name and connector specification before choosing a replacement power supply.
Thermaltake Toughpower GF3 1000W and NZXT C1000 Gold ATX 3.1 1000W are both fully modular, 1000W Gold-rated power supplies, but their connector generations differ. Thermaltake Toughpower GF3 uses ATX 3.0 and a native 12VHPWR cable, while NZXT C1000 Gold ATX 3.1 uses the newer 12V-2×6 connection. Either offers a high-wattage foundation for a gaming PC; your graphics card, case and cable requirements should decide the winner.
For this Black Friday 2026 guide, we researched and compared specs, reviews and owner feedback across seven power supplies. My pick for most people is the NZXT C1000 Gold ATX 3.1 1000W for a new build that prioritizes the updated GPU connector. Thermaltake Toughpower GF3 1000W remains a strong alternative for buyers who value its established ATX 3.0 design. Use the recommendations below to match wattage and features to your exact build.
How We Picked
- Compared rated output and 80 PLUS efficiency tiers to identify suitable options for different PC power needs.
- Checked ATX generation and native graphics-card connectors, including 12VHPWR and 12V-2×6 support.
- Prioritized fully modular models to help with cable routing and cleaner builds.
- Reviewed manufacturer specifications, warranty information, product reviews and owner feedback.
- Considered product fit for new gaming builds, upgrades, quieter systems and lower-wattage configurations.
Comparison Table
| Product | Best for | Rated output | PSU standard | GPU connector |
|---|---|---|---|---|
| Thermaltake Toughpower GF3 1000W 80 PLUS Gold Fully Modular Power Supply | High-performance ATX 3.0 builds | 1000W | ATX 3.0 | 12VHPWR |
| NZXT C1000 Gold ATX 3.1 1000W Fully Modular Power Supply | Modern gaming builds | 1000W | ATX 3.1 | 12V-2×6 |
| Corsair RM1000x 1000W 80 PLUS Gold Fully Modular Power Supply | Flexible high-wattage builds | 1000W | Check revision | Check revision |
| MSI MAG A1000GL PCIE5 1000W 80 PLUS Gold Fully Modular Power Supply | Value-focused PCIe 5 builds | 1000W | PCIe 5 support | Check included cable |
| Seasonic FOCUS GX-1000 ATX 3.1 1000W Fully Modular Power Supply | Premium ATX 3.1 builds | 1000W | ATX 3.1 | Check included cable |
| be quiet! Pure Power 12 M 1000W 80 PLUS Gold Modular Power Supply | Quiet-focused high-power PCs | 1000W | ATX 3.0 | Check exact version |
| Thermaltake Toughpower GF A3 850W 80 PLUS Gold Fully Modular Power Supply | Gaming PCs that need 850W | 850W | ATX 3.0 | Check included cable |
Best Picks Reviewed
#1
Thermaltake Toughpower GF3 1000W 80 PLUS Gold Fully Modular Power Supply
The Thermaltake Toughpower GF3 1000W 80 PLUS Gold Fully Modular Power Supply is the best ATX 3.0 pick for high-performance gaming builds. The Thermaltake Toughpower GF3 1000W 80 PLUS Gold Fully Modular Power Supply's 1000W output and native 12VHPWR cable suit a system that needs strong GPU power and modular cabling.
Best for: High-performance ATX 3.0 builds
- Rated output
- 1000W
- Efficiency
- 80 PLUS Gold
- Standard
- ATX 3.0
- GPU connector
- Native 12VHPWR
- High 1000W capacity
- Fully modular cable design
- Native 12VHPWR cable
- Uses ATX 3.0 rather than ATX 3.1
Is the Thermaltake Toughpower GF3 1000W 80 PLUS Gold Fully Modular Power Supply worth buying on Black Friday 2026?
The Thermaltake Toughpower GF3 1000W 80 PLUS Gold Fully Modular Power Supply is a worthwhile choice for a high-power build that needs 1000W and a native 12VHPWR cable. Choose it when ATX 3.0 matches your parts and upgrade plans.
See today’s Black Friday price on Amazon
#2 · Top pick
NZXT C1000 Gold ATX 3.1 1000W Fully Modular Power Supply
The NZXT C1000 Gold ATX 3.1 1000W Fully Modular Power Supply is the best overall choice for builders who want 1000W with an updated GPU connector. The NZXT C1000 Gold ATX 3.1 1000W Fully Modular Power Supply's ATX 3.1 design and 12V-2×6 cable make it a capable foundation for a modern gaming PC.
Best for: Modern gaming builds with 12V-2×6
- Rated output
- 1000W
- Efficiency
- 80 PLUS Gold
- Standard
- ATX 3.1
- GPU connector
- 12V-2×6
- ATX 3.1 support
- Fully modular design
- 1000W output for demanding systems
- A 1000W unit is more capacity than many midrange PCs need
Is the NZXT C1000 Gold ATX 3.1 1000W Fully Modular Power Supply worth buying on Black Friday 2026?
The NZXT C1000 Gold ATX 3.1 1000W Fully Modular Power Supply is a strong buy for a new build that benefits from 1000W and a native 12V-2×6 cable. Confirm its dimensions and connector needs against your case and graphics card.
See today’s Black Friday price on Amazon
#3
Corsair RM1000x 1000W 80 PLUS Gold Fully Modular Power Supply
The Corsair RM1000x 1000W 80 PLUS Gold Fully Modular Power Supply is the best pick for buyers seeking a widely recognized modular 1000W platform. The Corsair RM1000x 1000W 80 PLUS Gold Fully Modular Power Supply's 1000W rating offers headroom for a powerful gaming system, while the Gold efficiency tier suits a premium PC build.
Best for: Flexible high-wattage builds
- Rated output
- 1000W
- Efficiency
- 80 PLUS Gold
- Cable design
- Fully modular
- 1000W capacity
- Fully modular cable connections
- Gold-rated efficiency
- Check the exact revision for GPU connector details
Is the Corsair RM1000x 1000W 80 PLUS Gold Fully Modular Power Supply worth buying on Black Friday 2026?
The Corsair RM1000x 1000W 80 PLUS Gold Fully Modular Power Supply is a good fit for a high-end PC that needs a modular 1000W unit. Verify the specific revision’s GPU cable and ATX support before ordering for a new graphics card.
See today’s Black Friday price on Amazon
#4
MSI MAG A1000GL PCIE5 1000W 80 PLUS Gold Fully Modular Power Supply
The MSI MAG A1000GL PCIE5 1000W 80 PLUS Gold Fully Modular Power Supply is the best budget-focused 1000W option for builders who want PCIe 5 GPU support. The MSI MAG A1000GL PCIE5 1000W 80 PLUS Gold Fully Modular Power Supply's 1000W rating and fully modular design cover the core needs of a demanding gaming build.
Best for: Value-focused PCIe 5 builds
- Rated output
- 1000W
- Efficiency
- 80 PLUS Gold
- GPU support
- PCIe 5
- Cable design
- Fully modular
- 1000W rated output
- PCIe 5 GPU support
- Fully modular cables
- Check exact cable compatibility with the graphics card
Is the MSI MAG A1000GL PCIE5 1000W 80 PLUS Gold Fully Modular Power Supply worth buying on Black Friday 2026?
The MSI MAG A1000GL PCIE5 1000W 80 PLUS Gold Fully Modular Power Supply is a compelling option for a PCIe 5 gaming build that needs 1000W. Check the included GPU cable and your card’s connector requirements before purchase.
See today’s Black Friday price on Amazon
#5
Seasonic FOCUS GX-1000 ATX 3.1 1000W Fully Modular Power Supply
The Seasonic FOCUS GX-1000 ATX 3.1 1000W Fully Modular Power Supply is the best premium alternative for builders who want updated standards from a specialist PSU brand. The Seasonic FOCUS GX-1000 ATX 3.1 1000W Fully Modular Power Supply's 1000W output, ATX 3.1 design and modular cabling serve demanding PC upgrades.
Best for: Premium ATX 3.1 builds
- Rated output
- 1000W
- Efficiency
- 80 PLUS Gold
- Standard
- ATX 3.1
- Cable design
- Fully modular
- ATX 3.1 support
- 1000W output
- Fully modular construction
- A high-capacity unit is unnecessary for many basic builds
Is the Seasonic FOCUS GX-1000 ATX 3.1 1000W Fully Modular Power Supply worth buying on Black Friday 2026?
The Seasonic FOCUS GX-1000 ATX 3.1 1000W Fully Modular Power Supply is worth considering for a premium PC that needs updated GPU support and 1000W capacity. Match the exact cable set to your graphics card and case before buying.
See today’s Black Friday price on Amazon
#6
be quiet! Pure Power 12 M 1000W 80 PLUS Gold Modular Power Supply
The be quiet! Pure Power 12 M 1000W 80 PLUS Gold Modular Power Supply is the best choice for builders who prioritize a quiet-focused brand and strong capacity. The be quiet! Pure Power 12 M 1000W 80 PLUS Gold Modular Power Supply's 1000W output and Gold rating fit an upper-tier gaming PC with room for component upgrades.
Best for: Quiet-focused high-power PCs
- Rated output
- 1000W
- Efficiency
- 80 PLUS Gold
- Standard
- ATX 3.0
- Cable design
- Modular
- 1000W capacity
- Gold-rated efficiency
- Designed for quiet-focused builds
- Confirm the connector generation on the exact retail version
Is the be quiet! Pure Power 12 M 1000W 80 PLUS Gold Modular Power Supply worth buying on Black Friday 2026?
The be quiet! Pure Power 12 M 1000W 80 PLUS Gold Modular Power Supply is a sensible match for a high-wattage gaming PC where low-noise design matters. Check the exact version’s included GPU connector and case fit before choosing it.
See today’s Black Friday price on Amazon
#7
Thermaltake Toughpower GF A3 850W 80 PLUS Gold Fully Modular Power Supply
The Thermaltake Toughpower GF A3 850W 80 PLUS Gold Fully Modular Power Supply is the best lower-wattage pick for gaming builds that do not need a 1000W unit. The Thermaltake Toughpower GF A3 850W 80 PLUS Gold Fully Modular Power Supply's 850W capacity and ATX 3.0 support provide a practical balance for a capable system.
Best for: Gaming PCs that need 850W
- Rated output
- 850W
- Efficiency
- 80 PLUS Gold
- Standard
- ATX 3.0
- Cable design
- Fully modular
- 850W rating for less demanding builds
- ATX 3.0 support
- Fully modular cabling
- Less power headroom than 1000W alternatives
Is the Thermaltake Toughpower GF A3 850W 80 PLUS Gold Fully Modular Power Supply worth buying on Black Friday 2026?
The Thermaltake Toughpower GF A3 850W 80 PLUS Gold Fully Modular Power Supply is a good pick for a gaming PC whose components fit within an 850W budget. Check the graphics card maker’s PSU recommendation and the unit’s included GPU cable.
See today’s Black Friday price on Amazon
Which is better, Thermaltake Toughpower GF3 or NZXT C1000?
NZXT C1000 Gold ATX 3.1 1000W is the better fit for a new build that prioritizes ATX 3.1 and a 12V-2×6 GPU cable, while Thermaltake Toughpower GF3 1000W is a strong ATX 3.0 alternative with native 12VHPWR. Both offer 1000W capacity, Gold efficiency and fully modular cabling.
The practical difference comes down to your graphics card and the exact PSU revision. ATX 3.1 and 12V-2×6 identify a newer connector standard; they do not automatically make a PSU the right match for every PC. Check GPU requirements, case clearance and the cables supplied with the specific retail model. Skip it if your system needs less capacity and a smaller wattage unit better fits the build.
Is 1000W enough for a gaming PC?
A 1000W power supply such as NZXT C1000 Gold ATX 3.1 1000W is a strong fit for many upper-tier gaming PCs, but the correct rating depends on the complete component list. Graphics card power requirements, processor choice, overclocking plans and other components all affect the system’s needs.
Use the graphics card manufacturer’s recommended PSU rating as a starting point, then compare it with the PSU maker’s specifications. A larger rating does not improve gaming performance by itself. Buyers with a midrange GPU can look at an 850W option such as Thermaltake Toughpower GF A3 850W, while demanding builds can favor a well-matched 1000W unit.
What is the difference between ATX 3.0 and ATX 3.1?
ATX 3.1 is the newer power-supply standard represented here by NZXT C1000 Gold ATX 3.1 1000W, while Thermaltake Toughpower GF3 1000W follows ATX 3.0. Both product generations target modern PC power demands, but the GPU power connector and cable included with a particular model are important differences to check.
ATX 3.1 models are associated with the 12V-2×6 connector, while many ATX 3.0 supplies use 12VHPWR. Connector design is only one buying factor: verify your graphics card’s socket, the PSU’s cable documentation and the manufacturer’s installation instructions. Never mix modular PSU cables from different models, even when the plugs appear similar.
Should you choose a fully modular power supply?
Fully modular models such as Thermaltake Toughpower GF3 1000W and NZXT C1000 Gold ATX 3.1 1000W let builders attach only the cables a system needs. That can simplify cable routing, reduce unused leads inside a case and make assembly or future component changes easier.
Modularity does not change the PSU’s rated output or make incompatible cables safe to use. Keep the original cables with their power supply, label them if you store extras and consult the manual when connecting a GPU. Check the case’s PSU chamber and cable-routing space too, since a tidy build still needs room behind the motherboard tray.
What should you check before buying a PSU on Black Friday 2026?
The right Black Friday 2026 PSU is the one whose rated output, connectors and dimensions match your PC, not simply the unit with the largest wattage. Compare the full model name, wattage, efficiency tier, ATX generation, GPU cable and warranty details before selecting a product.
Retail listings can use shortened names for different revisions, so confirm the manufacturer’s model code and specifications. Check the seller, return terms and included cable list, then compare the chosen model with your component makers’ recommendations. For a new high-end build, NZXT C1000 Gold ATX 3.1 1000W is a strong all-round choice; for an 850W target, consider Thermaltake Toughpower GF A3 850W.
Buying Guide
Match wattage to your parts
Start with your graphics card maker’s recommended PSU rating and account for the processor and the rest of the build. Choose 850W or 1000W based on the full system, rather than treating higher capacity as a performance upgrade.
Check the GPU power cable
Confirm whether your graphics card uses 12VHPWR, 12V-2×6 or another connection. Match the PSU’s included cable to the card and follow the installation guidance for a secure connection.
Confirm case fit and cable routing
Compare the PSU’s dimensions with your case’s supported size and available cable space. A fully modular power supply helps avoid unused cables, but the case still needs room for clean routing.
Read the exact model revision
Use the full model name and manufacturer model code to distinguish revisions. Verify ATX support, GPU connectors, warranty terms and included cables on the manufacturer’s product information.
Prioritize a suitable warranty and seller
Review the warranty and seller return terms before ordering. Keep the PSU and its original cables together, and avoid reusing modular cables from a different power supply.
FAQ
Is Thermaltake Toughpower GF3 better than NZXT C1000?
NZXT C1000 Gold ATX 3.1 1000W is the stronger match for a new PC build that wants ATX 3.1 and a 12V-2×6 cable. Thermaltake Toughpower GF3 1000W suits buyers who want an ATX 3.0 unit with native 12VHPWR support. Compare the exact GPU connector.
Does the Thermaltake Toughpower GF3 1000W support modern GPUs?
Thermaltake Toughpower GF3 1000W includes a native 12VHPWR GPU cable and follows the ATX 3.0 standard. Check the exact retail model, the graphics card’s connector and the PSU installation instructions to confirm compatibility with your complete build.
Does the NZXT C1000 Gold ATX 3.1 include a 12V-2×6 cable?
NZXT C1000 Gold ATX 3.1 1000W is specified with a 12V-2×6 GPU connection. Review the product’s included-cable list and your graphics card documentation before purchase, especially when comparing different listings or revisions.
Is an 850W power supply enough for a gaming PC?
Thermaltake Toughpower GF A3 850W can suit a gaming PC whose complete component list fits within an 850W supply. Check the graphics card maker’s recommendation, processor power needs and planned upgrades before choosing 850W over a 1000W model.
Are fully modular power supplies worth buying?
Fully modular units such as Thermaltake Toughpower GF3 1000W let you connect only the cables your PC needs, which helps with cable management and future changes. Modularity does not replace checking wattage, GPU connectors or case compatibility.