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- Best overall: Corsair RM750x 750W Fully Modular ATX Power Supply (2024)
- Best budget: MSI MAG A750GL PCIE5 750W 80 PLUS Gold Fully Modular Power Supply
- Best premium: Corsair RM850x 850W Fully Modular ATX Power Supply (2024)
- Best for warranty coverage: Seasonic VERTEX GX-750 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply
- Corsair RM750x 750W Fully Modular ATX Power Supply (2024) suits many gaming PCs with its 750W capacity and ATX 3.1 support.
- Seasonic VERTEX GX-750 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply is a strong alternative with a 10-year warranty.
- Choose an 850W model for more headroom with a power-hungry graphics card or future component upgrades.
- Check GPU power connectors, case dimensions, and the specific power supply revision before buying.
The Corsair RM750x 750W Fully Modular ATX Power Supply (2024) and Seasonic VERTEX GX-750 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply are compelling 750W choices for a Black Friday 2026 PC build. I researched and compared specs, reviews and owner feedback to identify where each unit fits, what its connector support means for current graphics cards, and which alternatives deserve a look.
Corsair stands out for its newer ATX 3.1 design, while Seasonic brings a 10-year warranty and a well-established platform. The right choice depends on your GPU, upgrade plans, preferred cable setup, and the exact version stocked by the retailer. My pick for most people is a 750W unit for a mainstream gaming build; shoppers planning a high-end GPU should compare the 850W options below.
How We Picked
- Compared rated output and whether 750W or 850W best matches common gaming and workstation component combinations.
- Checked stated ATX and PCIe compatibility, including support for a modern 16-pin graphics card power cable.
- Reviewed efficiency certification, modular cabling, cooling features, and published warranty coverage.
- Considered owner feedback and review coverage for factors such as setup, noise behavior, and cable convenience.
- Included competing models with distinct strengths instead of treating wattage or brand name as the only deciding factor.
Comparison Table
Best Picks Reviewed
#1 · Top pick
Corsair RM750x 750W Fully Modular ATX Power Supply (2024)
The Corsair RM750x 750W Fully Modular ATX Power Supply (2024) is the best 750W all-rounder for mainstream gaming PCs, with ATX 3.1 support and a dedicated 12V-2×6 GPU cable.
Best for: Modern 750W gaming builds
- Rated output
- 750W
- Efficiency
- 80 PLUS Gold
- Power standard
- ATX 3.1
- Warranty
- 10 years
- Includes a 12V-2×6 cable for compatible graphics cards.
- Fully modular cables simplify installation and cable management.
- Zero-RPM fan mode supports quiet operation at lower loads.
- 750W capacity is not the best match for every high-end GPU build.
- Confirm the 2024 revision when comparing retailer listings.
Is the Corsair RM750x 750W Fully Modular ATX Power Supply (2024) worth buying on Black Friday 2026?
Yes. The Corsair RM750x 750W Fully Modular ATX Power Supply (2024) is a strong Black Friday 2026 pick for a modern gaming PC that needs 750W, modular wiring, and ATX 3.1 support.
See today’s Black Friday price on Amazon
#2
Seasonic VERTEX GX-750 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply
The Seasonic VERTEX GX-750 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply is the best 750W pick for buyers prioritizing long warranty coverage, with a 10-year warranty.
Best for: Long-term 750W builds
- Rated output
- 750W
- Efficiency
- 80 PLUS Gold
- Power standard
- ATX 3.0
- Warranty
- 10 years
- Fully modular design keeps unused cables out of the case.
- Includes a 16-pin GPU power cable.
- Long published warranty supports a long-term build plan.
- ATX 3.0 is an older specification than the Corsair RM750x 2024 revision.
- Check graphics card connector requirements before purchase.
Is the Seasonic VERTEX GX-750 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply worth buying on Black Friday 2026?
Yes. The Seasonic VERTEX GX-750 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply is a good choice for a 750W system when a 10-year warranty and modular cabling rank high on your list.
See today’s Black Friday price on Amazon
#3
Corsair RM850x 850W Fully Modular ATX Power Supply (2024)
The Corsair RM850x 850W Fully Modular ATX Power Supply (2024) is the best 850W choice for builders seeking newer GPU support, with ATX 3.1 compatibility.
Best for: Higher-draw modern gaming PCs
- Rated output
- 850W
- Efficiency
- 80 PLUS Gold
- Power standard
- ATX 3.1
- Warranty
- 10 years
- 850W capacity gives more room for demanding components.
- Includes a 12V-2×6 GPU power cable.
- Fully modular cables support cleaner builds.
- More capacity than many mainstream gaming PCs need.
- Check case clearance and cable routing before installation.
Is the Corsair RM850x 850W Fully Modular ATX Power Supply (2024) worth buying on Black Friday 2026?
Yes. The Corsair RM850x 850W Fully Modular ATX Power Supply (2024) is a capable option for a higher-draw gaming PC, pairing 850W output with ATX 3.1 and a 12V-2×6 GPU cable.
See today’s Black Friday price on Amazon
#4
Seasonic VERTEX GX-850 850W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply
The Seasonic VERTEX GX-850 850W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply is the best 850W pick for warranty-focused builders, with a 10-year warranty.
Best for: 850W builds with long-term ownership in mind
- Rated output
- 850W
- Efficiency
- 80 PLUS Gold
- Power standard
- ATX 3.0
- Warranty
- 10 years
- 850W rating supports more demanding component combinations.
- Fully modular cables simplify assembly.
- Includes a 16-pin GPU power cable.
- ATX 3.0 is not as recent as the Corsair RM850x 2024 specification.
- The larger capacity is unnecessary for many midrange systems.
Is the Seasonic VERTEX GX-850 850W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply worth buying on Black Friday 2026?
Yes. The Seasonic VERTEX GX-850 850W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply makes sense for a higher-power build that also values modular wiring and a 10-year warranty.
See today’s Black Friday price on Amazon
#5
MSI MAG A750GL PCIE5 750W 80 PLUS Gold Fully Modular Power Supply
The MSI MAG A750GL PCIE5 750W 80 PLUS Gold Fully Modular Power Supply is the best budget-focused 750W alternative for modern GPU builds, with 750W output and PCIe 5 support.
Best for: Value-minded 750W builds
- Rated output
- 750W
- Efficiency
- 80 PLUS Gold
- Power standard
- ATX 3.0
- Warranty
- 7 years
- Fully modular cabling supports straightforward installation.
- Designed for PCIe 5 graphics card power needs.
- Compact 140mm length fits many standard ATX cases.
- Warranty coverage is shorter than the 10-year coverage on both leading picks.
- Verify the exact cable set included with the listing.
Is the MSI MAG A750GL PCIE5 750W 80 PLUS Gold Fully Modular Power Supply worth buying on Black Friday 2026?
Yes. The MSI MAG A750GL PCIE5 750W 80 PLUS Gold Fully Modular Power Supply is worth considering for a 750W gaming build when modular cables and PCIe 5 support matter more than a longer warranty.
See today’s Black Friday price on Amazon
#6
be quiet! Pure Power 12 M 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply
The be quiet! Pure Power 12 M 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply is the best 750W option for quiet-build shoppers, with a 120mm fan.
Best for: Quiet-focused 750W PCs
- Rated output
- 750W
- Efficiency
- 80 PLUS Gold
- Power standard
- ATX 3.0
- Fan size
- 120mm
- Fully modular cables make routing easier.
- Includes support for a modern 16-pin GPU connection.
- Designed with quiet operation as a key feature.
- A 750W rating does not suit every high-end graphics card.
- Check the specific model revision and included GPU cable.
Is the be quiet! Pure Power 12 M 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply worth buying on Black Friday 2026?
Yes. The be quiet! Pure Power 12 M 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply suits a quiet-focused gaming PC that needs 750W output, modular cabling, and a 16-pin GPU connection.
See today’s Black Friday price on Amazon
#7
Thermaltake Toughpower GF A3 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply
The Thermaltake Toughpower GF A3 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply is the best alternative for a modular 750W ATX 3.0 build, with 750W rated output.
Best for: ATX 3.0 builds with modular wiring
- Rated output
- 750W
- Efficiency
- 80 PLUS Gold
- Power standard
- ATX 3.0
- Warranty
- 10 years
- Fully modular design keeps the build tidy.
- Includes a 16-pin GPU power cable.
- Gold-rated efficiency suits a mainstream gaming system.
- Confirm exact dimensions against the PC case.
- Compare the included cable configuration with your GPU needs.
Is the Thermaltake Toughpower GF A3 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply worth buying on Black Friday 2026?
Yes. The Thermaltake Toughpower GF A3 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply is a sensible option for an ATX 3.0 gaming build that needs modular cables and 750W output.
See today’s Black Friday price on Amazon
#8
XPG CORE REACTOR II 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply
The XPG CORE REACTOR II 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply is the best alternative for shoppers comparing compact 750W models, with a 140mm chassis length.
Best for: Compact ATX 3.0 builds
- Rated output
- 750W
- Efficiency
- 80 PLUS Gold
- Power standard
- ATX 3.0
- Chassis length
- 140mm
- Short chassis can help in cases with limited PSU space.
- Fully modular wiring supports a clean build.
- Designed for modern GPU power requirements.
- Check the exact revision and warranty terms in the listing.
- Compare connector count with the graphics card and motherboard.
Is the XPG CORE REACTOR II 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply worth buying on Black Friday 2026?
Yes. The XPG CORE REACTOR II 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply is a useful alternative when a 140mm chassis and modular wiring help with a space-conscious 750W PC build.
See today’s Black Friday price on Amazon
Which is better, Corsair RM750x or Seasonic VERTEX GX-750?
The Corsair RM750x 750W Fully Modular ATX Power Supply pairs ATX 3.1 with a 12V-2×6 cable. The Seasonic VERTEX GX-750 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply offers a 10-year warranty. Both are fully modular, Gold-rated 750W units.
Choose based on your graphics card’s connector requirements and the warranty that suits your build. Follow the card maker’s installation guidance.
Is 750W enough for a gaming PC in 2026?
A 750W unit suits many gaming PCs, but the CPU, graphics card, and their power recommendations determine the right capacity. Check component requirements and connectors before buying.
An 850W model gives higher-draw systems and future upgrades more capacity. Extra wattage alone does not improve performance or efficiency.
What does ATX 3.1 versus ATX 3.0 mean for these power supplies?
The Corsair RM750x uses ATX 3.1 and includes a 12V-2×6 cable; the Seasonic VERTEX GX-750 uses ATX 3.0 and supports a 16-pin GPU cable. Both target modern builds.
Check the included cable, connector type, and capacity against your graphics card’s requirements. The standard does not replace checking cable routing or case fit.
Are fully modular power supplies worth choosing?
Both models are fully modular, so builders connect only the cables they need. The design can simplify cable routing, but does not change output or guarantee quieter operation.
Use only cables supplied for the exact power supply model. Modular cables are not universally interchangeable, even when their plugs fit.
What should buyers compare on Black Friday 2026?
Compare the exact model, wattage, power standard, GPU cable, warranty, and dimensions. Retail listings can mix details across revisions, so confirm the model label and included accessories before buying.
Check that the listed cable configuration suits your graphics card and motherboard. Avoid listings that omit the revision or warranty details.
Buying Guide
Start with your graphics card
Check the GPU maker’s recommended capacity and connector requirements. Match them to the Corsair RM750x 750W Fully Modular ATX Power Supply or Seasonic VERTEX GX-750 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply, and confirm the included cable.
Choose 750W or 850W
Choose 750W for many mainstream builds; consider 850W for higher-draw components or upgrade capacity. Higher-capacity options include the Corsair RM850x 850W Fully Modular ATX Power Supply and Seasonic VERTEX GX-850 850W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply.
Compare the power standard and GPU cable
ATX 3.1 and ATX 3.0 both suit modern builds. Confirm the unit includes the 12V-2×6 or 16-pin cable your GPU requires. Never assume another modular power supply’s cable is compatible.
Check case fit and cable needs
Compare PSU length with case clearance, allowing room for cable bends. Check the required CPU, motherboard, and GPU connectors, and leave space to route cables safely.
Read the exact warranty and listing details
Confirm the model revision, warranty terms, and included cables. The Corsair RM750x 750W Fully Modular ATX Power Supply and Seasonic VERTEX GX-750 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply use different power standards.
FAQ
Corsair RM750x vs Seasonic VERTEX GX-750: which power supply should I buy?
Choose the Corsair RM750x 750W Fully Modular ATX Power Supply (2024) for ATX 3.1 and its 12V-2×6 cable. Choose the Seasonic VERTEX GX-750 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply when its 10-year warranty and 750W capacity better fit your priorities.
Is the Corsair RM750x 750W enough for a gaming PC?
The Corsair RM750x 750W Fully Modular ATX Power Supply (2024) is suitable for many mainstream gaming systems. Check the graphics card maker's power recommendation, CPU demand, and connector needs before purchase, since a high-end configuration can call for an 850W model.
Does the Seasonic VERTEX GX-750 include a 16-pin GPU cable?
The Seasonic VERTEX GX-750 750W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply includes a 16-pin GPU power cable. Confirm the exact cable configuration in the retailer listing and follow the graphics card maker's guidance when connecting the power cable.
Should I choose an 850W power supply over a 750W model?
Choose an 850W supply when your graphics card and processor require more capacity or when extra upgrade headroom is a priority. The Corsair RM850x 850W Fully Modular ATX Power Supply (2024) and Seasonic VERTEX GX-850 850W 80 PLUS Gold Fully Modular ATX 3.0 Power Supply are suitable options to compare.
Are ATX 3.0 and ATX 3.1 power supplies compatible with modern GPUs?
ATX 3.0 and ATX 3.1 supplies support modern PC power requirements, but connector and wattage compatibility still need checking. Compare the GPU's specified input with the included cable on the exact Corsair RM750x or Seasonic VERTEX model before building.