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C-Series PSU

FUEL EVERY BUILD.

From compact SFX builds to flagship ATX 3.1 powerhouses, NZXT PSUs deliver clean, modular power across every efficiency tier — Bronze, Gold, and Platinum. Built for the latest GPUs. Engineered for stability, silence, and longevity.

750 – 1500 W
Wattage Range
ATX 3.1
PCIe 5.1 · 12V-2x6
Gold · Platinum
80+ Efficiency
Up to 10 YR
Warranty
Featured · C1000 Gold CoreNZXT C1000 Gold Core ATX 3.1 power supply
Why C-Series

Certified Efficiencies. Build-ready.

Quality

80 PLUS Bronze, Gold and Platinum efficiency, superb noise ratings, and a full suite of built-in protections — engineered to power your build for years.

Performance

ATX 3.1 compliance, 12V-2x6 PCIe 5.1 connectivity, and rock-solid voltage regulation handle modern GPU power spikes with stability — even at peak load.

Usability

Fully modular flat or individually embossed cables, hybrid silent fan modes, and digital control make installation and tuning effortless — clean builds, simple setup.

Warranty

Up to ten years, full coverage, no questions on coil whine or buzzing. The floor for serious consideration in the category. The PSU decision you make this decade.

Reviews · Builders · Press

The reviewers already did the work.

Every credible PSU reviewer has put C-Series on their short list. Quotes pulled from the sources buyers actually trust — Tom's Hardware, Hardware Busters (Aris Mpitziopoulos), and Cultists Network's PSU tier list.

Best 1250–1500 W power supply.

Tom's Hardware
Press · C1500 Platinum ATX 3.1 · 2026
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Top overall performance. Recommended.

Hardware Busters
Press · C1000 Gold ATX 3.1 · 2026
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Tier A, high-end.

Cultists Network
PSU Tier List · C1200 Gold · Rev. 17
See tier list

The C1000 stays fanless up to 620 W — an entire gaming session without the fan ever spinning up.

Hardware Busters
Press · C1000 Gold · Fanless threshold
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An exceptionally efficient and well-built ATX 3.1 power supply that justifies its premium price tag with top-tier performance.

TweakTown
Press · C850 SFX Gold · 2026
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A purpose-built SFX power supply for enthusiasts who want next-generation GPU support and long-term reliability in a genuinely compact form factor.

Club386
Press · C850 SFX Gold · 2026
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9 products

1500 Watt 80 PLUS Platinum Fully Modular ATX 3.1 PSU
3.2
Rated 3.2 out of 5 stars
3.2 Stars (6 Reviews)
Sale price$369.99 Where to Buy
Color
1200 Watt 80 PLUS Gold Fully Modular ATX 3.1 PSU
4.0
Rated 4.0 out of 5 stars
4.0 Stars (7 Reviews)
Sale price$199.99 Where to Buy
Color
1000 Watt 80 PLUS Gold Fully Modular ATX 3.1 PSU
5.0
Rated 5.0 out of 5 stars
5.0 Stars (2 Reviews)
Sale price$179.99 Where to Buy
Color
The NZXT C850 Gold ATX 3.1 power supply features a white finish, fully modular design with cable ports, and a large honeycomb vent on one side for efficient cooling.
850 Watt 80 PLUS Gold Fully Modular ATX 3.1 PSU
4.4
Rated 4.4 out of 5 stars
4.4 Stars (5 Reviews)
Sale price$144.99 Where to Buy
Color
1000 Watt 80 PLUS Gold Fully Modular ATX 3.1 PSU
5.0
Rated 5.0 out of 5 stars
5.0 Stars (1 Review)
Sale price$169.99 Where to Buy
Color
C850 Gold Core 3/4 front view
850 Watt 80 PLUS Gold Fully Modular ATX 3.1 PSU
4.9
Rated 4.9 out of 5 stars
4.9 Stars (8 Reviews)
Sale price$139.99 Where to Buy
Color
750 Watt 80 PLUS Gold Fully Modular ATX 3.1 PSU
Sale price$119.99 Where to Buy
Color
750W Bronze Non-Modular ATX 3.1 PSU
Sale price$74.99 Where to Buy
Color
850 Watt 80 PLUS Gold SFX Fully Modular ATX 3.1 PSU
Sale price$199.99 Where to Buy
Color