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

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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.

Full Specifications

Model:
CSK550DC

MPN:
0-761345-20103-2

Form Factor:
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

Please check the product details and compatibility (if required) before ordering. If you are unsure whether this item is suitable, contact IT Done Right before purchase.

Q: How is delivery calculated?
A: Delivery is calculated at checkout based on the order and available delivery option.

Q: When will my order be dispatched?
A: Physical product orders are usually dispatched from the UK within the timescale shown on the delivery information page.

Q: Can I return an item?
A: Please check the returns information before ordering, especially for opened items, software or licence products. See our returns information.