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- Best overall: Seasonic VERTEX GX-850 850W ATX 3.0 Fully Modular Power Supply
- Best budget: Seasonic VERTEX GX-850 850W ATX 3.0 Fully Modular Power Supply
- Best premium: be quiet! Straight Power 12 1000W 80 PLUS Platinum Fully Modular Power Supply
- Best for high-end gaming: Seasonic VERTEX GX-1000 1000W ATX 3.0 Fully Modular Power Supply
- Seasonic VERTEX GX-850 850W ATX 3.0 Fully Modular Power Supply is a balanced pick for many high-end gaming PCs.
- be quiet! Straight Power 12 850W 80 PLUS Platinum Fully Modular Power Supply combines 850W output with a Platinum efficiency rating.
- Choose 850W for many single-GPU systems; step up to 1000W or more for higher-power components and added upgrade room.
- Compare the exact wattage, certification, connector, and warranty details before choosing a Black Friday 2026 power supply.
Seasonic VERTEX and be quiet! Straight Power 12 power supplies are both strong choices for a quiet, modern gaming PC, but the right pick depends on your wattage needs, efficiency priorities, and preferred model. We researched and compared specs, reviews and owner feedback to make the differences easier to evaluate ahead of Black Friday 2026.
The Seasonic range offers both GX Gold and PX Platinum models, while Straight Power 12 models carry Platinum certification. My pick for most people is an 850W model: it gives many single-GPU builds useful headroom without pushing buyers toward an unnecessarily large unit. Use this guide to match a specific PSU to your system, then compare the full model name and specifications when shopping.
How We Picked
- Compared rated output across 850W, 1000W, 1200W, and 1500W options to suit different PC builds.
- Checked each model’s stated 80 PLUS efficiency certification and fully modular cable design.
- Prioritized models with modern GPU power connections and ATX 3.0 support for current components.
- Reviewed manufacturer specifications, product reviews, and owner feedback for practical compatibility and noise considerations.
- Included both brands and more than one efficiency tier so readers can weigh system needs against upgrade plans.
Comparison Table
| Product | Best for | Rated output | Efficiency | Standard |
|---|---|---|---|---|
| Seasonic VERTEX GX-850 850W ATX 3.0 Fully Modular Power Supply | Balanced single-GPU gaming PCs | 850W | 80 PLUS Gold | ATX 3.0 |
| Seasonic VERTEX GX-1000 1000W ATX 3.0 Fully Modular Power Supply | High-end gaming with extra capacity | 1000W | 80 PLUS Gold | ATX 3.0 |
| Seasonic VERTEX PX-1000 1000W ATX 3.0 Fully Modular Power Supply | High-performance PCs prioritizing efficiency | 1000W | 80 PLUS Platinum | ATX 3.0 |
| Seasonic VERTEX GX-1200 1200W ATX 3.0 Fully Modular Power Supply | High-draw systems needing 1200W | 1200W | 80 PLUS Gold | ATX 3.0 |
| be quiet! Straight Power 12 850W 80 PLUS Platinum Fully Modular Power Supply | Quiet-focused gaming with Platinum efficiency | 850W | 80 PLUS Platinum | ATX 3.0 |
| be quiet! Straight Power 12 1000W 80 PLUS Platinum Fully Modular Power Supply | High-end PCs prioritizing capacity and efficiency | 1000W | 80 PLUS Platinum | ATX 3.0 |
| be quiet! Straight Power 12 1200W 80 PLUS Platinum Fully Modular Power Supply | High-draw builds seeking Platinum efficiency | 1200W | 80 PLUS Platinum | ATX 3.0 |
Best Picks Reviewed
#1 · Top pick
Seasonic VERTEX GX-850 850W ATX 3.0 Fully Modular Power Supply
The Seasonic VERTEX GX-850 850W ATX 3.0 Fully Modular Power Supply is the best balanced choice for mainstream high-end gaming PCs, with 850W output and an 80 PLUS Gold rating. The Seasonic VERTEX GX-850 850W ATX 3.0 Fully Modular Power Supply's fully modular design keeps unused cables out of the case.
Best for: A high-end single-GPU gaming PC
- Rated output
- 850W
- Efficiency
- 80 PLUS Gold
- Standard
- ATX 3.0
- Cable design
- Fully modular
- Useful 850W capacity for many gaming builds
- Gold certification suits buyers balancing efficiency and value
- Fully modular cabling simplifies installation
- Gold certification sits below Platinum models
- 850W is not the right capacity for every high-draw configuration
Is the Seasonic VERTEX GX-850 850W ATX 3.0 Fully Modular Power Supply worth buying on Black Friday 2026?
Yes. The Seasonic VERTEX GX-850 850W ATX 3.0 Fully Modular Power Supply is a sensible choice for many single-GPU gaming PCs, with Gold efficiency, modern platform support, and flexible modular cabling. Check your graphics card’s power guidance before choosing.
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#2
Seasonic VERTEX GX-1000 1000W ATX 3.0 Fully Modular Power Supply
The Seasonic VERTEX GX-1000 1000W ATX 3.0 Fully Modular Power Supply is the best Gold-rated upgrade option for demanding gaming PCs, offering 1000W output for high-power components and future changes. The Seasonic VERTEX GX-1000 1000W ATX 3.0 Fully Modular Power Supply's fully modular design supports a cleaner build.
Best for: High-end gaming with extra capacity
- Rated output
- 1000W
- Efficiency
- 80 PLUS Gold
- Standard
- ATX 3.0
- Cable design
- Fully modular
- 1000W capacity supports many demanding systems
- Gold certification offers a practical efficiency tier
- Modular cables help with routing and airflow
- More capacity than many midrange PCs need
- Not Platinum certified
Is the Seasonic VERTEX GX-1000 1000W ATX 3.0 Fully Modular Power Supply worth buying on Black Friday 2026?
Yes. The Seasonic VERTEX GX-1000 1000W ATX 3.0 Fully Modular Power Supply fits powerful gaming PCs that need more headroom than an 850W unit provides. The Seasonic VERTEX GX-1000 1000W ATX 3.0 Fully Modular Power Supply's Gold rating and modular cables make it a practical choice for a performance-focused build.
See today’s Black Friday price on Amazon
#3
Seasonic VERTEX PX-1000 1000W ATX 3.0 Fully Modular Power Supply
The Seasonic VERTEX PX-1000 1000W ATX 3.0 Fully Modular Power Supply is the best Platinum-rated Seasonic pick for high-performance PCs, pairing 1000W output with 80 PLUS Platinum efficiency. A fully modular layout also helps keep a complex system tidy.
Best for: High-performance builds prioritizing efficiency
- Rated output
- 1000W
- Efficiency
- 80 PLUS Platinum
- Standard
- ATX 3.0
- Cable design
- Fully modular
- Platinum certification for buyers prioritizing efficiency
- 1000W capacity suits demanding components
- Fully modular cables support clean installation
- Platinum certification is unnecessary for some builds
- A 1000W PSU is oversized for many basic PCs
Is the Seasonic VERTEX PX-1000 1000W ATX 3.0 Fully Modular Power Supply worth buying on Black Friday 2026?
Yes. The Seasonic VERTEX PX-1000 1000W ATX 3.0 Fully Modular Power Supply is a good fit when a high-performance PC needs 1000W capacity and Platinum certification. Compare its full specifications with the GX-1000 before deciding which efficiency tier suits your build.
See today’s Black Friday price on Amazon
#4
Seasonic VERTEX GX-1200 1200W ATX 3.0 Fully Modular Power Supply
The Seasonic VERTEX GX-1200 1200W ATX 3.0 Fully Modular Power Supply is the best high-capacity Gold option for power-hungry gaming and workstation PCs, with 1200W output and a fully modular design. Choose it when your component plan justifies the extra capacity.
Best for: High-draw systems needing 1200W
- Rated output
- 1200W
- Efficiency
- 80 PLUS Gold
- Standard
- ATX 3.0
- Cable design
- Fully modular
- 1200W rating provides substantial system capacity
- Gold certification is a sensible efficiency tier
- Fully modular design reduces unused cable clutter
- Oversized for many standard gaming PCs
- Check case space and cable routing before purchase
Is the Seasonic VERTEX GX-1200 1200W ATX 3.0 Fully Modular Power Supply worth buying on Black Friday 2026?
Yes, for a PC whose components call for 1200W capacity. The Seasonic VERTEX GX-1200 1200W ATX 3.0 Fully Modular Power Supply combines that output with Gold certification and modular cables, but smaller builds are better served by a lower-wattage option.
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#5
be quiet! Straight Power 12 850W 80 PLUS Platinum Fully Modular Power Supply
The be quiet! Straight Power 12 850W 80 PLUS Platinum Fully Modular Power Supply is the best 850W pick for buyers who prioritize Platinum efficiency, with 850W output and a fully modular design. The be quiet! Straight Power 12 850W 80 PLUS Platinum Fully Modular Power Supply's capacity fits many powerful single-GPU systems.
Best for: Quiet-focused gaming with Platinum efficiency
- Rated output
- 850W
- Efficiency
- 80 PLUS Platinum
- Standard
- ATX 3.0
- Cable design
- Fully modular
- Platinum certification in a useful 850W capacity
- Fully modular design supports neat cable management
- A strong match for many single-GPU systems
- 850W capacity does not suit every top-end build
- Gold models offer an alternative efficiency tier
Is the be quiet! Straight Power 12 850W 80 PLUS Platinum Fully Modular Power Supply worth buying on Black Friday 2026?
Yes. The be quiet! Straight Power 12 850W 80 PLUS Platinum Fully Modular Power Supply is a strong option for a powerful single-GPU PC when Platinum certification is a priority. Confirm the wattage recommendation for your graphics card and processor before buying.
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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 premium-capacity pick for high-end PCs, combining 1000W output with Platinum certification. The be quiet! Straight Power 12 1000W 80 PLUS Platinum Fully Modular Power Supply's fully modular cables suit a component-heavy build that needs added capacity.
Best for: High-end PCs prioritizing capacity and efficiency
- Rated output
- 1000W
- Efficiency
- 80 PLUS Platinum
- Standard
- ATX 3.0
- Cable design
- Fully modular
- 1000W output for demanding component combinations
- Platinum certification appeals to efficiency-focused buyers
- Modular cables help simplify a premium build
- More capacity than many everyday PCs require
- Platinum efficiency is not every buyer’s priority
Is the be quiet! Straight Power 12 1000W 80 PLUS Platinum Fully Modular Power Supply worth buying on Black Friday 2026?
Yes. The be quiet! Straight Power 12 1000W 80 PLUS Platinum Fully Modular Power Supply is worth considering for a demanding PC that needs 1000W and Platinum efficiency. Compare the system’s required wattage with the 850W model to avoid buying excess capacity.
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#7
be quiet! Straight Power 12 1200W 80 PLUS Platinum Fully Modular Power Supply
The be quiet! Straight Power 12 1200W 80 PLUS Platinum Fully Modular Power Supply is the best high-output Platinum option for demanding gaming and workstation PCs, delivering 1200W and a fully modular layout. Match its capacity to your actual component plan.
Best for: High-draw builds seeking Platinum efficiency
- Rated output
- 1200W
- Efficiency
- 80 PLUS Platinum
- Standard
- ATX 3.0
- Cable design
- Fully modular
- 1200W capacity for demanding system configurations
- Platinum certification suits efficiency-focused builds
- Fully modular cables support clean installation
- Too much capacity for many gaming PCs
- Confirm physical and cable compatibility with your case
Is the be quiet! Straight Power 12 1200W 80 PLUS Platinum Fully Modular Power Supply worth buying on Black Friday 2026?
Yes, when a high-draw system needs 1200W and Platinum certification. The be quiet! Straight Power 12 1200W 80 PLUS Platinum Fully Modular Power Supply is a premium-capacity option, while an 850W or 1000W model is a better match for many builds.
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Which is better, Seasonic VERTEX or be quiet! Straight Power 12?
Seasonic VERTEX GX and be quiet! Straight Power 12 offer ATX 3.0, modular cabling, and capacities of 850W or more. Seasonic VERTEX GX models are 80 PLUS Gold; Seasonic VERTEX PX and listed be quiet! Straight Power 12 models are Platinum-certified.
Compare capacity, connectors, and case fit. At 850W, consider Seasonic VERTEX GX-850 and be quiet! Straight Power 12 850W. For 1000W, compare Seasonic VERTEX GX-1000, Seasonic VERTEX PX-1000, and be quiet! Straight Power 12 1000W.
How many watts do you need for a gaming PC?
Start with your graphics card maker’s PSU recommendation, then account for the processor, storage, cooling, and planned upgrades. Seasonic VERTEX GX-850 and be quiet! Straight Power 12 850W suit many single-GPU builds; 1000W and 1200W models serve systems that require more capacity.
Choose a rating that fits your components, and verify the exact model and output before ordering.
Does Platinum efficiency make Straight Power 12 better than VERTEX GX?
80 PLUS Platinum certification distinguishes be quiet! Straight Power 12 and Seasonic VERTEX PX models from Gold-certified Seasonic VERTEX GX models. Certification describes efficiency, not overall compatibility.
Compare models at the same capacity, then check connectors, dimensions, and warranty information. Choose Platinum when that tier is a priority; select Gold when the Seasonic VERTEX GX specification better suits your build.
Are Seasonic VERTEX and Straight Power 12 suitable for modern GPUs?
Seasonic VERTEX GX, Seasonic VERTEX PX, and be quiet! Straight Power 12 are ATX 3.0 power supplies. Confirm the exact model’s GPU cable, connector, and rated output in its manufacturer specifications.
Check case clearance and cable lengths, too. Use only modular cables supplied for the specific PSU; cables are not universally interchangeable.
What should you compare for Black Friday 2026?
Compare the exact model, wattage, certification, connectors, and warranty terms. GX and PX identify different Seasonic efficiency tiers; be quiet! Straight Power 12 models are identified by capacity.
Match the PSU to your system before comparing retailer terms and availability. Confirm the listing details against the manufacturer’s specifications.
Buying Guide
Choose capacity from your component list
Check your graphics card maker’s PSU guidance, then account for the processor, storage, cooling, and upgrades. Choose among 850W, 1000W, and 1200W models based on your system’s needs.
Compare Gold and Platinum
Seasonic VERTEX GX is Gold-certified; Seasonic VERTEX PX and listed be quiet! Straight Power 12 models are Platinum-certified. Compare certification alongside capacity and compatibility.
Verify GPU cables and connectors
Check the manufacturer’s specifications for the exact model and wattage. Never assume modular cables from another PSU will work.
Review the full listing before checkout
For Black Friday 2026, confirm the model name, wattage, certification, warranty, and retailer terms against the manufacturer’s information.
FAQ
Seasonic Vertex vs be quiet Straight Power: which is better for gaming?
Seasonic VERTEX and be quiet! Straight Power 12 both suit gaming PCs when their wattage and GPU connectors match the build. Choose VERTEX GX for a Gold-rated option, or compare VERTEX PX and Straight Power 12 for Platinum certification. The right pick depends on capacity and priorities.
Is 850W enough for a high-end gaming PC?
An 850W Seasonic VERTEX GX-850 or be quiet! Straight Power 12 850W is suitable for many powerful single-GPU gaming PCs. Check your graphics card maker’s recommendation and the combined requirements of your components. Higher-draw configurations call for comparing 1000W or 1200W models.
Is the Seasonic VERTEX PX-1000 better than the GX-1000?
Seasonic VERTEX PX-1000 and Seasonic VERTEX GX-1000 both provide 1000W output and ATX 3.0 support. The PX-1000 carries 80 PLUS Platinum certification, while the GX-1000 carries 80 PLUS Gold certification. Choose according to your efficiency preference and the exact listing details.
Is be quiet! Straight Power 12 fully modular?
The be quiet! Straight Power 12 850W, 1000W, and 1200W models listed in this guide are fully modular. A modular design lets builders connect the cables their system needs. Confirm the cable set and connector details for the exact wattage variant before purchase.
What should I check before buying a PSU on Black Friday 2026?
Before buying a Seasonic VERTEX or be quiet! Straight Power 12 on Black Friday 2026, confirm the full model, wattage, efficiency rating, GPU connector, case fit, and warranty terms. Compare listings against the manufacturer’s specifications and choose a capacity suited to your components.