Antec CSK550DC 550W PSU – 80+ Bronze, Flat Cables, 5-Year Warranty

Antec CSK550DC 550W Power Supply – Quiet, Reliable, and Efficient

The Antec CSK550DC delivers dependable 550W continuous power with 80 PLUS Bronze efficiency, flat black non-modular cables, and a temperature-controlled 120mm fan for whisper-quiet operation. Designed around a DC-to-DC architecture and powered by a single strong +12V rail, this PSU is built for modern desktop performance and long-term reliability.

Perfect for entry-level and mid-range systems, the CSK550DC provides essential protections, stable output, and flat cable design to simplify routing in tighter cases.

Key Features & Benefits

✅ 80 PLUS Bronze Certified – Up to 88% efficiency for reduced heat and energy costs
✅ 550W Continuous Output – Ideal for mainstream PCs and gaming rigs
✅ DC-to-DC Architecture – Stable voltage regulation and improved system reliability
✅ Quiet 120mm Fan – Temperature-controlled for optimal noise and thermal balance
✅ Flat Black Cables – Non-modular, flexible for clean and simple cable management
✅ Strong Single +12V Rail – 45.8A output for high compatibility with GPU and CPU
✅ CircuitShield Protection – OCP, OVP, UVP, SCP, OPP, OTP, SIP, and NLO safety features
✅ 5-Year Warranty – Backed by Antec’s proven quality and support

Specifications

Model: CSK550DC
MPN: 0-761345-20103-2
Form Factor: ATX 12V 2.52
Wattage: 550W Continuous
Efficiency Rating: 80 PLUS Bronze (up to 88%)
Voltage Input: 100–240V AC
Frequency: 50–60Hz
Input Current: Max 12A
Power Factor Correction: Active PFC
Power Good Signal: 100–500ms
Operating Temperature: 0°C to 40°C
Cooling: 120mm Silent Fan (Temperature-Controlled)
Architecture: DC-to-DC Conversion
+12V Rail: Single, 45.8A

Connectors

• 1 x 24-pin ATX Main Power

• 2 x 8-pin (4+4) EPS CPU

• 2 x 8-pin (6+2) PCIe GPU

• 6 x SATA Power

• 3 x Molex (Peripheral)

Cable Type: Flat Black Cables (Non-Modular)

Dimensions & Weight

• Dimensions: 140 x 150 x 86 mm

• Net Weight: 1.60 kg

• Gross Weight: 1.90 kg

Certifications

• cTUVus, TUV, CB, RCM, CE, FCC, BSMI, KC, UKCA, ICES, BIS

The Antec CSK550DC 550W PSU is a value-driven, dependable choice for PC builders who want quiet performance, essential protection, and solid efficiency in a trusted form factor — all backed by Antec’s 5-year warranty.