About NZXT C1200 Watt ATX Black Desktop SMPS
| Category | Specification |
|---|---|
| Model | C1200 Gold ATX 3.1 |
| Total Power | 1200 W |
| Efficiency | 80 PLUS Gold certified |
| Input Voltage | 100–240 VAC, 50/60 Hz |
| Power Factor Correction | Active PFC @0.99 |
| DC Output | +12 V: 100 A (1200 W)+3.3 V & +5 V: 22 A (120 W)5 Vsb: 3 A (15 W) |
| Connectors | 24-pin ATX x1 CPU (4+4) x1CPU (8 pin) x1 PCIe (6+2) x3 PCIe (12V-2×6) x1 SATA x12 Peripherals x4 |
| Cable Sleeving | Nylon sleeving on all main cables |
| Fan Size & Type | 135 mm Fluid Dynamic Bearing (FDB) |
| Fan Modes | Zero Fan Mode (silent under 50% load) |
| Airflow | ~93.02 CFM (minimum) |
| Noise | Up to ~44.5 dBA maximum |
| MTBF | ~100,000 hours |
| Operating Temperature | 0 °C – 50 °C |
| Physical Dimensions | 150 × 86 × 160 mm |
| Compliance & Protection | OVP, UVP, SCP, OTP, OPP, OCP; ATX12V v3.1, EPS12V v2.92 compliance |
| Warranty | 10 years |
Built around the ATX 3.1 standard, the NZXT C1200 Watt ATX Black Desktop SMPS is optimized to support the latest GPUs and CPUs with improved power delivery and enhanced surge handling.
The updated standard improves compatibility with modern graphics cards that require stable high-current 12 V rails, and the inclusion of a heat-resistant 12V-2×6 connector ensures compatibility with flagship GPU series without risking power delivery issues.
One of the standout features of the NZXT 80 Plus Gold Fully Modular SMPS is its fully modular design.
This allows users to connect only the cables they need for their specific configuration, reducing clutter inside the case and improving airflow.
Modular cabling also makes it significantly easier to route cables neatly, which is especially beneficial in builds with tempered glass side panels or compact layouts.
Noise levels are kept low thanks to a 135 mm fluid dynamic bearing fan that operates quietly even under load.
Moreover, the Zero Fan Mode ensures that during low-power operation — such as web browsing or light productivity — the NZXT C1200 Watt ATX Black Desktop SMPS stops spinning entirely, resulting in near-silent system performance.
This feature is particularly attractive to users who prioritize a quiet PC environment.
Stability and reliability are further enhanced by 100 % Japanese electrolytic capacitors, which provide excellent longevity, better voltage regulation, and reduced ripple compared to lower-quality counterparts.
Combined with comprehensive power protections — including overvoltage, undervoltage, short-circuit, overcurrent, and thermal protection — the NZXT Black 1200 Watt Desktop SMPS is engineered to safeguard your components under a wide range of conditions.
Regarding connectivity, the NZXT C1200 Watt ATX Black Desktop SMPS comes equipped with an ample array of cables and connectors to support modern systems.
NZXT 3.1 Black Desktop SMPS includes multiple PCIe power connectors, a high-current 12V-2×6 GPU cable, numerous SATA and peripheral connections, and all essential motherboard and CPU power lines — all with durable nylon sleeving for added protection and easier routing.
Physically, the unit’s compact dimensions make it suitable for a wide range of cases, from mid-tower gaming rigs to larger workstations.
Despite its power capability, the NZXT C1200 Watt ATX Black Desktop SMPS maintains a neat footprint and supports tidy cable management.
In addition, NZXT backs this model with an industry-leading 10-year warranty, giving builders confidence in long-term durability and performance.
The NZXT C1200 Gold ATX PSU is a robust solution for users who want high-efficiency performance, extensive modular connectivity, and reliable power delivery for demanding PC setups.
Whether building a high-end gaming machine or a powerful content creation workstation, the NZXT C1200 Watt ATX Black Desktop SMPS delivers the features and quality expected from a premium component.

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