Cougar GX-S 550W 80 Plus Gold Fixed Cable ATX PSU Series

QuickFind: 958333 Mfr part code: GX-S550

Product Description

Cougar GX-S 550W 80 Plus Gold Fixed Cable ATX PSU Series

GX-S is an 80-PLUS GOLD PSU with a compact design that will deliver consistent power even at 40°C/104°F ambient temperature. With advanced fan curve tuning to reduce noise levels, optimized protections to protect your components and DC-DC power conversion technology to provide stable voltage outputs, it will fuel countless hours of your gaming life. Save money in your electricity bill with the high efficiency (up to 91%) guaranteed by GX-S' 80-PLUS GOLD Certification, that will allow your computer to operate using less power.

The high quality MOSFETs and capacitors and the advanced engineering used in GX-S allow it to achieve high levels of performance in realistic environments. GX-S has been designed to minimize heat generation. This, allowed with the fine-tuned fan curve design that provides enhanced efficiency, reduces the fan workload and allows it to work more silently.


- 80-PLUS Gold Certified: Up to 91% efficiency power conversion for reducing your electricity bill
- Superior Fan Curve Tuning: Advanced tuning technology for noise minimization
- Flawless Operation at 40°C: Powerful performance at 40°C/104°F ambient temperature
- Ultra-stable Voltage Outputs: DC to DC technology for enhanced voltage stability
- Compact Gold PSU Size: for All PC Cases: Its 14cm length suits most cases
- Compliant With ErP 2014: With <0.5W standby consumption and fulfillment of the efficiency requirements
- Support for Multi-GPU Technology: Supports PCI Express 3.0 graphic cards with 6+2pin PCI-E connectors
- Single +12v DC Source: Massive outputs for high power devices
- Strong Safeguards: OCP, OPP, OVP, UVP & SCP: Maximum safety for your key system components
- Optimized over Current Protections: Your components will operate stably and protected from any harm


- 1 x 20+4-Pin ATX12V/EPS12V
- 1 x 4+4-Pin ATX12V/EPS12V
- 2 x 6+2-Pin-PCIe
- 5 x SATA
- 3 x 4-Pin-Molex
- Warranty: 5yr

Technical Specification

Cougar GX-S 550W 80 Plus Gold Fixed Cable ATX PSU Series


Device Type Power supply - internal
Specification Compliance ATX12V
PSU Form Factor ATX

Power Device

Input Voltage AC 100-240 V
Frequency Required 50 - 60 Hz
Power Output Connectors Details 1 x power 24 pin ATX with detachable 4 pin section ¦ 3 x 4 PIN internal power ¦ 1 x power 8 pin +12V with detachable 4 pin section ¦ 5 x 15 pin Serial ATA power ¦ 2 x 8 pin PCI Express power with detachable 2 pin section
Output Voltage +3.3, +5, ±12 V
Power Capacity 550 Watt
Output Current +3.3V - 20 A ¦ +5V - 20 A ¦ +12V - 45.9 A ¦ -12V - 0.3 A ¦ +5VSB - 3 A
Efficiency 91%
80 PLUS Certification 80 PLUS Gold


Cooling System 120 mm fan
Features Over current protection, over voltage protection, overpower protection, undervoltage protection, short-circuit protection, Multi-GPU Technologies Supported, DC-DC technology, non-modular
Compliant Standards FCC, TUV Rheinland, ErP 2014 Ready

Manufacturer Warranty

Service & Support Limited warranty - 3 years

Environmental Parameters

Max Operating Temperature 40 °C

Dimensions & Weight

Depth 14 cm

Product Reviews

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Cougar GX-S 550W 80 Plus Gold Fixed Cable ATX PSU Series

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Add-ons and Accessories

PSU Accessories

Premium Braided 30cm PSU Exention Cable Kit - Red

£14.98 inc. vat
£12.48 ex. vat