Antec CSK550DC 550W 80 Plus Bronze PSU
£41.46 inc VAT
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About This Item
- 550 W continuous power output with 80 Plus Bronze certification for up to 88% efficiency
- DC-to-DC architecture with active PFC for stable and reliable power delivery
- 120 mm temperature-controlled fan for quiet and efficient cooling
- Non-modular design with flat black cables for improved airflow and easier routing
- CircuitShield protection system with OCP, OVP, UVP, SCP, OPP, OTP, SIP, and NLO safeguards
- Compact ATX 12V 2.52 form factor with reinforced PCI-E 5.1 connectors for modern GPUs
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Antec CSK550DC 550W Power Supply | Efficient DC-to-DC PSU for UK Builds
The Antec CSK550DC 550W Power Supply, 80 Plus Bronze Certified, ATX 12V 2.52, Non-Modular, DC-to-DC, Flat Black Cables, 120mm Quiet Fan, UK Plug delivers reliable, high-efficiency power for mainstream and gaming PC builds in the UK. With 550 W continuous output and up to 88% efficiency, this unit combines stable DC-to-DC architecture with comprehensive CircuitShield protection for dependable performance.
| Metric | Spec. |
|---|---|
| Continuous Power | 550 W |
| Efficiency | 80 Plus Bronze (up to 88%) |
| Form Factor | ATX 12V 2.52 |
| Cooling | 120 mm temperature-controlled fan |
| Protections | OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO |
Stable DC-to-DC Architecture for Reliable Power Delivery
The CSK550DC uses a DC-to-DC design that converts power more efficiently than traditional designs. This architecture, combined with active Power Factor Correction, ensures stable voltage delivery to all components. The single +12V rail provides 45.8 A of current, making it suitable for modern mid-range and gaming systems.
Comprehensive CircuitShield Protection System
Antec’s CircuitShield technology provides multiple layers of protection including Over Current Protection, Over Voltage Protection, Under Voltage Protection, Short Circuit Protection, Over Power Protection, Over Temperature Protection, Surge & Inrush Protection, and No Load Operation. These safeguards protect both the PSU and connected components from electrical damage.
Quiet Cooling with Smart Temperature Control
The 120 mm fan operates with smart temperature control, adjusting speed based on system load to maintain optimal cooling while minimising noise. This ensures efficient heat dissipation during intensive tasks without creating distracting fan noise during lighter workloads.
Flat Black Cables for Improved Airflow
Although non-modular, the CSK550DC includes flat black cables that help improve case airflow compared to traditional rounded cables. The flat profile also makes cable routing easier, contributing to better overall system airflow and potentially lower component temperatures.
In the box
- Antec CSK550DC 550W power supply unit
- UK power cable
- Mounting screws
- User manual
Before you order
- Confirm your case supports ATX 12V 2.52 form factor (140 x 150 x 86 mm)
- Verify your GPU connectors match the available 2x 8-pin (6+2) PCIe outputs
- Check that your system’s total power draw stays within 550 W continuous capacity
- Confirm the included UK plug matches your regional requirements
Buyer FAQs
Is this power supply suitable for gaming PCs?
Can this PSU support PCIe 5.0 graphics cards?
What does 80 Plus Bronze certification mean?
Is this power supply fully modular?
What warranty comes with this unit?
Final thoughts
The Antec CSK550DC 550W Power Supply offers excellent value for UK PC builders seeking reliable, efficient power delivery. Its DC-to-DC architecture, comprehensive protection system, and quiet operation make it well-suited for mainstream and gaming systems. Covered by the standard 5-year manufacturer warranty, this PSU provides dependable performance for typical PC builds.
| Weight | 1.9 kg |
|---|
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