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

The Antec CSK550DC is a high-quality, cost-effective power supply unit designed for mainstream and gaming PC builds.

It delivers a continuous 550 W output with high efficiency (up to 88%), meeting the 80 Plus Bronze certification. Its DC-to-DC architecture, combined with active Power Factor Correction (PFC), ensures stable and reliable power delivery. The unit is protected by Antec’s CircuitShield system, which includes multiple safety mechanisms such as Over Current Protection (OCP), Over Voltage Protection (OVP), Under Voltage Protection (UVP), Short Circuit Protection (SCP), Over Power Protection (OPP), Over Temperature Protection (OTP), Surge & Inrush Protection (SIP), and No Load Operation (NLO).

The power supply features a 120 mm quiet fan with smart temperature control for efficient cooling with minimal noise. Though non-modular, it includes flat black cables, offering improved airflow and easier routing. It also includes reinforced PCI-E 5.1 connectors, making it compatible with modern GPUs. The compact design (140 x 150 x 86 mm) allows for easy installation in a wide range of ATX-compatible cases. Antec provides a 5-year warranty for added peace of mind.

CSK550DC

MPN

0-761345-20103-2

ATX 12V 2.52

Output Capacity

550 W Continuous

+12V Rail

Single Rail, 45.8 A

Efficiency

Up to 88%, 80 Plus Bronze Certified

Architecture

DC-to-DC

Power Factor Correction

Active PFC

Input Voltage

100–240 V AC

Input Frequency

50–60 Hz

Input Current

Maximum 12 A

Power Good Signal

100–500 ms

Protections

OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO (CircuitShield)

Cooling

120 mm Temperature-Controlled Fan

Operating Temperature

0 °C to 40 °C

Dimensions

140 x 150 x 86 mm

Net Weight

1.60 kg

Gross Weight

1.90 kg

Connectors

• 1x 24-pin ATX Main
• 2x 8-pin (4+4) EPS
• 2x 8-pin (6+2) PCIe
• 6x SATA
• 3x Molex

Cable Type

Non-modular, Flat Black Cables

Certifications

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

Warranty

5 Years Manufacturer Warranty