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- Best overall: be quiet! Dark Power 13 1000W 80 PLUS Titanium Fully Modular Power Supply
- Best budget: Corsair RM1000x 1000W 80 PLUS Gold Fully Modular Power Supply
- Best premium: Seasonic PRIME TX-1000 1000W 80 PLUS Titanium Fully Modular ATX Power Supply
- Best for modern Seasonic builds: Seasonic VERTEX PX-1000 1000W 80 PLUS Platinum Fully Modular Power Supply
- Seasonic PRIME TX-1000 prioritizes Titanium efficiency and a 12-year warranty, while be quiet! Dark Power 13 adds modern ATX 3.0 and PCIe 5.0 support.
- Choose be quiet! Dark Power 13 for a native 600W graphics-card cable and ATX 3.0 compliance.
- Choose Seasonic PRIME TX-1000 for a Titanium-rated platform and long warranty, provided its connectors suit your build.
- Seasonic VERTEX PX-1000 and MSI MEG Ai1000P PCIE5 are strong alternatives for modern graphics cards.
- Compare connector requirements, case fit, noise preferences, and warranty terms before choosing a 1000W power supply.
Seasonic PRIME TX-1000 and be quiet! Dark Power 13 are premium 1000W power supplies, but their main difference is modern graphics-card connectivity: Dark Power 13 supports ATX 3.0 and PCIe 5.0, while PRIME TX-1000 emphasizes Titanium efficiency and a 12-year warranty. For Black Friday 2026, the better buy depends on your graphics card, build priorities, and the actual listing price.
I researched and compared specs, reviews and owner feedback across seven high-capacity power supplies to make the choice easier. My pick for most people is be quiet! Dark Power 13 for its modern GPU connection and quiet-focused design. Seasonic PRIME TX-1000 still makes sense for buyers who value its efficiency tier and extended warranty and already have compatible GPU cabling.
How We Picked
- Compared rated output, efficiency certification, modularity, and listed power-supply standards.
- Prioritized 1000W models suited to high-end gaming PCs and power-hungry components.
- Checked whether each model offers a native modern graphics-card power connection.
- Considered warranty length, cooling design, and reported owner feedback as purchase factors.
- Selected alternatives across Titanium, Platinum, and Gold efficiency tiers.
Comparison Table
| Product | Best for | Wattage | Efficiency | Standard |
|---|---|---|---|---|
| Seasonic PRIME TX-1000 1000W 80 PLUS Titanium Fully Modular ATX Power Supply | Efficiency and long warranty | 1000W | 80 PLUS Titanium | ATX 12V |
| be quiet! Dark Power 13 1000W 80 PLUS Titanium Fully Modular Power Supply | Modern high-end GPUs | 1000W | 80 PLUS Titanium | ATX 3.0, PCIe 5.0 |
| Seasonic VERTEX PX-1000 1000W 80 PLUS Platinum Fully Modular Power Supply | Modern Seasonic builds | 1000W | 80 PLUS Platinum | ATX 3.0, PCIe 5.0 |
| Corsair RM1000x 1000W 80 PLUS Gold Fully Modular Power Supply | Value-minded builds | 1000W | 80 PLUS Gold | ATX 12V |
| MSI MEG Ai1000P PCIE5 1000W 80 PLUS Platinum Fully Modular Power Supply | Feature-focused gaming PCs | 1000W | 80 PLUS Platinum | ATX 3.0, PCIe 5.0 |
| be quiet! Straight Power 12 1000W 80 PLUS Platinum Fully Modular Power Supply | Quiet-focused modern builds | 1000W | 80 PLUS Platinum | ATX 3.0, PCIe 5.0 |
| ASUS ROG Thor 1000W Platinum II 1000W 80 PLUS Platinum Fully Modular Power Supply | Showcase PCs | 1000W | 80 PLUS Platinum | ATX 12V |
Best Picks Reviewed
#1
Seasonic PRIME TX-1000 1000W 80 PLUS Titanium Fully Modular ATX Power Supply
The Seasonic PRIME TX-1000 1000W 80 PLUS Titanium Fully Modular ATX Power Supply is the best premium pick for buyers prioritizing efficiency and warranty coverage. The Seasonic PRIME TX-1000 1000W 80 PLUS Titanium Fully Modular ATX Power Supply's 1000W capacity and 12-year warranty suit high-end systems with compatible cabling.
Best for: Efficiency-focused builds with established GPU connectors
- Wattage
- 1000W
- Efficiency
- 80 PLUS Titanium
- Warranty
- 12 years
- Modularity
- Fully modular
- Top-tier Titanium efficiency certification
- Long 12-year warranty
- Fully modular cable layout
- Lacks the native ATX 3.0 and PCIe 5.0 connection found on newer alternatives
Is the Seasonic PRIME TX-1000 worth buying on Black Friday 2026?
The Seasonic PRIME TX-1000 is worth considering for a high-end PC that values Titanium efficiency and a 12-year warranty. Check GPU cable needs first, because this model does not offer the native ATX 3.0 and PCIe 5.0 connection found on newer options.
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#2 · Top pick
be quiet! Dark Power 13 1000W 80 PLUS Titanium Fully Modular Power Supply
The be quiet! Dark Power 13 1000W 80 PLUS Titanium Fully Modular Power Supply is the best overall choice for modern 1000W builds. The be quiet! Dark Power 13 1000W 80 PLUS Titanium Fully Modular Power Supply's ATX 3.0 design includes PCIe 5.0 support and a native 600W graphics-card cable.
Best for: Modern high-end GPUs and quiet-focused builds
- Wattage
- 1000W
- Efficiency
- 80 PLUS Titanium
- Standard
- ATX 3.0, PCIe 5.0
- GPU cable
- Native 600W
- Modern ATX 3.0 and PCIe 5.0 support
- Native 600W GPU cable
- Titanium efficiency certification
- Premium positioning is unnecessary for modest gaming PCs
Is the be quiet! Dark Power 13 1000W worth buying on Black Friday 2026?
The be quiet! Dark Power 13 1000W is a strong buy for a high-end PC that needs modern graphics-card power support. The be quiet! Dark Power 13 1000W 80 PLUS Titanium Fully Modular Power Supply's ATX 3.0 design, native 600W GPU cable, and Titanium efficiency make it a more straightforward match for compatible newer GPUs.
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#3
Seasonic VERTEX PX-1000 1000W 80 PLUS Platinum Fully Modular Power Supply
The Seasonic VERTEX PX-1000 1000W 80 PLUS Platinum Fully Modular Power Supply is the best Seasonic alternative for modern GPU builds. The Seasonic VERTEX PX-1000 1000W 80 PLUS Platinum Fully Modular Power Supply's 1000W output, ATX 3.0 support, and 12-year warranty deliver a useful blend of updated connectivity and longevity.
Best for: Modern systems seeking Seasonic warranty coverage
- Wattage
- 1000W
- Efficiency
- 80 PLUS Platinum
- Standard
- ATX 3.0, PCIe 5.0
- Warranty
- 12 years
- Modern graphics-card power support
- Long 12-year warranty
- Fully modular cabling
- Platinum efficiency sits below Titanium models
Is the Seasonic VERTEX PX-1000 worth buying on Black Friday 2026?
The Seasonic VERTEX PX-1000 is worth a close look for a modern gaming PC that needs 1000W and ATX 3.0 support. Platinum efficiency, a native modern GPU connection, and a 12-year warranty make it a versatile alternative to PRIME TX-1000.
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#4
Corsair RM1000x 1000W 80 PLUS Gold Fully Modular Power Supply
The Corsair RM1000x 1000W 80 PLUS Gold Fully Modular Power Supply is the best value-oriented pick for mainstream high-performance builds. The Corsair RM1000x 1000W 80 PLUS Gold Fully Modular Power Supply's 1000W output and 10-year warranty offer a sensible feature set without a Titanium-tier focus.
Best for: Value-minded gaming and workstation builds
- Wattage
- 1000W
- Efficiency
- 80 PLUS Gold
- Warranty
- 10 years
- Modularity
- Fully modular
- Full 1000W rated output
- Fully modular cables
- 10-year warranty
- Gold efficiency ranks below Platinum and Titanium alternatives
Is the Corsair RM1000x 1000W worth buying on Black Friday 2026?
The Corsair RM1000x 1000W is a practical Black Friday pick for builders who need dependable capacity and modular cables without paying for Titanium efficiency. Confirm the exact listing’s GPU connector details before pairing it with a newer high-power graphics card.
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#5
MSI MEG Ai1000P PCIE5 1000W 80 PLUS Platinum Fully Modular Power Supply
The MSI MEG Ai1000P PCIE5 1000W 80 PLUS Platinum Fully Modular Power Supply is the best feature-rich option for a high-end gaming PC. The MSI MEG Ai1000P PCIE5 1000W 80 PLUS Platinum Fully Modular Power Supply's 1000W output, ATX 3.0 support, and PCIe 5.0 connection address modern GPU power needs.
Best for: Feature-focused gaming systems with newer GPUs
- Wattage
- 1000W
- Efficiency
- 80 PLUS Platinum
- Standard
- ATX 3.0, PCIe 5.0
- Warranty
- 10 years
- Native PCIe 5.0 GPU power support
- Platinum efficiency certification
- Fully modular design
- Large capacity and feature set exceed basic PC needs
Is the MSI MEG Ai1000P PCIE5 1000W worth buying on Black Friday 2026?
The MSI MEG Ai1000P PCIE5 1000W is a good fit for premium gaming systems that need ATX 3.0 and PCIe 5.0 support. The MSI MEG Ai1000P PCIE5 1000W 80 PLUS Platinum Fully Modular Power Supply's Platinum rating and 10-year warranty add practical value for builders planning a high-performance PC.
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#6
be quiet! Straight Power 12 1000W 80 PLUS Platinum Fully Modular Power Supply
The be quiet! Straight Power 12 1000W 80 PLUS Platinum Fully Modular Power Supply is the best quiet-focused alternative for modern PC builds. The be quiet! Straight Power 12 1000W 80 PLUS Platinum Fully Modular Power Supply's 1000W capacity and ATX 3.0 support pair contemporary connectivity with Platinum-rated efficiency.
Best for: Quiet-focused modern gaming PCs
- Wattage
- 1000W
- Efficiency
- 80 PLUS Platinum
- Standard
- ATX 3.0, PCIe 5.0
- Warranty
- 10 years
- ATX 3.0 and PCIe 5.0 support
- Platinum efficiency rating
- Designed around quiet operation
- Premium features are excessive for entry-level systems
Is the be quiet! Straight Power 12 1000W worth buying on Black Friday 2026?
The be quiet! Straight Power 12 1000W is a worthwhile option for builders who want modern GPU connectivity and a quiet-focused design. The be quiet! Straight Power 12 1000W 80 PLUS Platinum Fully Modular Power Supply's Platinum rating and 10-year warranty make it a balanced alternative to the more efficiency-focused Dark Power 13.
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#7
ASUS ROG Thor 1000W Platinum II 1000W 80 PLUS Platinum Fully Modular Power Supply
The ASUS ROG Thor 1000W Platinum II 1000W 80 PLUS Platinum Fully Modular Power Supply is the best premium-style choice for showcase builds. The ASUS ROG Thor 1000W Platinum II 1000W 80 PLUS Platinum Fully Modular Power Supply's 1000W capacity, Platinum efficiency, and integrated OLED display add visual appeal alongside power delivery.
Best for: Showcase PCs with enthusiast styling
- Wattage
- 1000W
- Efficiency
- 80 PLUS Platinum
- Warranty
- 10 years
- Display
- OLED
- Integrated OLED power display
- Platinum efficiency certification
- Fully modular cabling
- Display and styling offer less value in hidden PSU compartments
Is the ASUS ROG Thor 1000W Platinum II worth buying on Black Friday 2026?
The ASUS ROG Thor 1000W Platinum II is worth considering for a showcase PC where an OLED power display and enthusiast styling matter. Check the included GPU cable configuration against your graphics card before choosing it over a newer ATX 3.0 model.
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Which is better, Seasonic PRIME TX-1000 or be quiet! Dark Power 13?
Seasonic PRIME TX-1000 and be quiet! Dark Power 13 both deliver 1000W with 80 PLUS Titanium certification, but Dark Power 13 is the stronger match for a new high-end GPU build because it supports ATX 3.0 and PCIe 5.0. The included native 600W graphics-card cable simplifies compatibility with supported cards.
Seasonic PRIME TX-1000 stands out for its 12-year warranty and premium efficiency focus. The older platform lacks the native modern GPU connection, so buyers need to confirm their graphics card’s power requirements and plan cabling accordingly. For older or compatible systems, its performance credentials remain appealing.
In short, choose be quiet! Dark Power 13 for newer GPU support and Seasonic PRIME TX-1000 for warranty length and efficiency priorities. Compare the exact model listing and included cables before buying.
Is 1000W enough for a high-end gaming PC?
A 1000W power supply is suitable for many high-end gaming PCs when the graphics-card and processor makers’ power guidance fits the planned parts. Seasonic PRIME TX-1000, be quiet! Dark Power 13, and Seasonic VERTEX PX-1000 all offer 1000W rated output for demanding desktop configurations.
Total wattage is only one part of the decision. Check the graphics card’s connector type, the number of required cables, and whether the power supply follows the standard your components request. A newer graphics card with transient power demands benefits from a compatible ATX 3.0 unit.
A less demanding system does not automatically need a 1000W model. Choose capacity around the complete component list, intended upgrades, and the manufacturer’s guidance rather than selecting the largest rating by default.
What is the difference between Titanium, Platinum, and Gold power supplies?
80 PLUS Titanium, Platinum, and Gold are efficiency certification tiers, with Titanium above Platinum and Platinum above Gold in the certification hierarchy. Seasonic PRIME TX-1000 and be quiet! Dark Power 13 carry Titanium ratings, while several alternatives here use Platinum or Gold certification.
Efficiency is not the same as total build quality, noise, cable selection, or GPU compatibility. Corsair RM1000x can suit a value-focused system even with Gold certification, while a Platinum or Titanium model is a better match for buyers placing more emphasis on efficiency.
Check the exact certification and operating requirements for your region and usage. A higher tier alone does not make a model the right choice if its connectors or case dimensions do not fit.
Which 1000W power supply has a native PCIe 5.0 GPU connection?
be quiet! Dark Power 13, Seasonic VERTEX PX-1000, MSI MEG Ai1000P PCIE5, and be quiet! Straight Power 12 offer modern ATX 3.0 and PCIe 5.0 support in this comparison. Their relevant cables can simplify connections to compatible newer graphics cards.
Seasonic PRIME TX-1000 is a different proposition: its strengths are Titanium efficiency and a 12-year warranty, not a native ATX 3.0 GPU cable. Corsair RM1000x and ASUS ROG Thor 1000W Platinum II listings also deserve a close connector check before purchase.
Read the included-cable list for the exact model and revision. Similar product names do not guarantee identical connectors, and a native cable is preferable to assuming an adapter is included.
How should you choose a power supply during Black Friday 2026?
The best Black Friday 2026 power supply is the model that matches your PC, not simply the highest-rated or most expensive unit. Compare connector support, wattage, efficiency tier, dimensions, warranty, and included cables before weighing the listing against alternatives.
For a current GPU-focused build, be quiet! Dark Power 13 and Seasonic VERTEX PX-1000 are easy starting points because both offer modern connectivity. Seasonic PRIME TX-1000 is a premium candidate when cabling compatibility is settled and its warranty is especially appealing.
Corsair RM1000x is a sensible value-oriented choice for buyers whose builds match its connections and efficiency tier. Always verify the exact product name, manufacturer warranty, and return terms on the retailer’s listing.
Buying Guide
Match the GPU cable first
Check your graphics card’s power connector before comparing power supplies. be quiet! Dark Power 13, Seasonic VERTEX PX-1000, MSI MEG Ai1000P PCIE5, and be quiet! Straight Power 12 provide modern ATX 3.0 and PCIe 5.0 support. Confirm the included cable configuration on the exact listing.
Choose capacity for the whole PC
Add up the needs of the processor, graphics card, storage, cooling, and planned upgrades. A 1000W rating suits many demanding builds, but a less powerful system can be served well by a lower-capacity unit. Follow component makers’ power recommendations.
Compare efficiency and warranty
Titanium, Platinum, and Gold describe certification tiers, not every aspect of product quality. Compare warranty duration too: Seasonic PRIME TX-1000 and Seasonic VERTEX PX-1000 list 12 years, while several alternatives list 10 years.
Check case fit and included cables
Confirm the power supply dimensions fit the case and leave room for cable routing. Fully modular designs make unused cables removable, but the included cable set still matters. Use only the cables supplied for the exact power-supply model.
Compare the exact Black Friday listing
Read the full model name, condition, warranty provider, return window, and included accessories on the listing. Similar model names can refer to different versions. Compare the full feature set rather than choosing solely by a promotion label.
FAQ
Seasonic PRIME TX-1000 vs be quiet! Dark Power 13: which is better for a new GPU?
be quiet! Dark Power 13 is the more direct choice for a compatible newer GPU because it supports ATX 3.0 and PCIe 5.0 and includes a native 600W graphics-card cable. Seasonic PRIME TX-1000 instead appeals to buyers prioritizing Titanium efficiency and its 12-year warranty.
Does Seasonic PRIME TX-1000 have a native PCIe 5.0 cable?
Seasonic PRIME TX-1000 does not offer the native ATX 3.0 and PCIe 5.0 graphics-card connection found on newer options such as Seasonic VERTEX PX-1000. Check the exact GPU and power-supply connector requirements before purchasing or reusing cables.
Is be quiet! Dark Power 13 a quiet power supply?
be quiet! Dark Power 13 is designed with quiet operation as a key product feature and uses the brand’s Silent Wings cooling approach. Actual system noise depends on the complete PC, case airflow, component load, fan settings, and the surrounding room.
Is a 1000W power supply enough for a gaming PC?
A 1000W power supply supports many high-end gaming PCs, but the right capacity depends on the exact graphics card, processor, and other components. Review manufacturer recommendations and connector requirements for the planned build before selecting a model.
Which 1000W power supply is the best value on Black Friday 2026?
Corsair RM1000x is the value-oriented pick in this guide for buyers whose systems match its connectors and Gold efficiency rating. Compare the complete listing, warranty, and included cables against models such as Seasonic VERTEX PX-1000 before deciding.