Power outages, unstable voltage and noisy fans can cripple a gaming rig or workstation, leaving you frustrated and risking hardware loss. Antec CSK550 GB, 550 W, 100 - 240 V, 50/60 Hz, 10 - 5 A, Power Supply delivers clean, efficient power with a quiet 120 mm fan, keeping your system stable and silent while you focus on performance.
Why Choose Antec Power Supply
You need reliable electricity to protect expensive components and maintain peak performance. Unstable power can cause crashes, data loss and shorten the life of your PC. This unit solves those issues with 80 PLUS Bronze certification, active PFC and comprehensive protection circuits, ensuring consistent power delivery and a cooler, quieter build.
Usages of a 550 W Power Supply
Ideal for mid-range gaming PCs, content-creation workstations and home servers, this supply handles modern graphics cards and multiple drives without strain, providing the headroom needed for upgrades and demanding applications.
Benefits of Antec Power Supply
Antec’s three-year warranty gives you peace of mind, while the 88 % efficiency reduces electricity costs and heat. The silent 120 mm fan keeps noise down for a pleasant environment. Active PFC improves power quality, and the CircuitShield™ protections guard against over-voltage, overload and short circuits, keeping your components safe.
Key Features of a 550 W Power Supply
- 80 PLUS Bronze certification: 88 % efficiency. Saves energy and keeps the system cooler.
- Active PFC: Active power factor correction. Improves power stability and reduces waste.
- Silent 120 mm fan: 120 mm Silent Fan. Provides quiet cooling for long sessions.
- Power protection: Over power, Over voltage, Overheating, Short circuit, Under voltage. Shields your PC from electrical faults.
- Output current (+12 V): 42 A. Supplies ample power for high-end graphics cards.
- Output current (+5 V): 16 A. Supports multiple peripherals and drives.
- Non-modular cabling: Non-Modular. Simple installation with all cables included.
- Connectors: 2 × 6+2 pin PCIe, 1 × 4+4 pin EPS, 7 × SATA, 2 × 4-pin Molex. Compatible with a wide range of components.
- Dimensions: 86 mm × 150 mm × 140 mm. Fits standard ATX cases comfortably.
- Weight: 1.53 kg. Light enough for easy handling yet solidly built.
Specifications
| Power |
| Power protection features |
Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Efficiency |
88% |
| Hold time |
500 ms |
| Max output current (+5Vsb) |
3 A |
| Max output current (-12V) |
0.3 A |
| Max output current (+5V) |
16 A |
| Max output current (+12V) |
42 A |
| Max output current (+3.3V) |
14 A |
| Combined power (+5Vsb) |
15 W |
| Combined power (-12V) |
3.6 W |
| Combined power (+5V) |
110 W |
| Combined power (+12V) |
504 W |
| Combined power (+3.3V) |
110 W |
| Power Factor Correction (PFC) type |
Active |
| Input current |
10 - 5 A |
| AC input frequency |
50/60 Hz |
| AC input voltage |
100 - 240 V |
| Total power |
550 W |
| Ports & interfaces |
| Cabling type |
Non-Modular |
| Floppy disk drive cable length |
95 cm |
| Floppy drive power connector |
1 |
| PCI Express power cable length |
65 cm |
| PCI Express power connectors (6+2 pin) |
2 |
| EPS power connector (4+4 pin) |
Yes |
| Peripheral (Molex) power cable length |
650,800 mm |
| Peripheral (Molex) power connectors (4-pin) |
2 |
| SATA power cable length |
500,650,800 mm |
| Number of SATA power connectors |
7 |
| Motherboard power cable length |
55 cm |
| Motherboard power connector |
20+4 pin ATX |
| Performance |
| ATX version |
2.31 |
| 80 PLUS certification |
80 PLUS Bronze |
| Power supply unit (PSU) form factor |
ATX |
| Purpose |
PC |
| Design |
| On/off switch |
Yes |
| Number of fans |
1 fan(s) |
| Fan diameter |
12 cm |
| Cooling type |
Active |
| Product colour |
Black |
| Operational conditions |
| Operating temperature (T-T) |
0 - 40 °C |
| Operating temperature (T-T) |
0 - 40 °C |
| Certificates |
| Certification |
cTUVus, TUV, CB, RCM, CE, CCC, FCC |
| Weight & dimensions |
| Weight |
1.53 kg |
| Height |
86 mm |
| Depth |
140 mm |
| Width |
150 mm |
| Packaging data |
| Package weight |
1.71 kg |
