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CoolerMaster GX550 550W 80+ Bronze

Price: $76.1


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  • Products Name: CoolerMaster GX550 550W 80+ Bronze
  • Model#: CM-PS-RS550-ACAAB3-AU
  • Brand: Cooler Master
  • Last Update:
  • Net Weight: 3.500Kg
  • Warranty: 12 Months
  • Efficiency Rate: 80+ Bronze
  • Modular: Not Modular
  • Power: 500W - 599W
  • Form Factor: ATX
  • Connectors: SATA


Cooler Master is electrifying gamers PCs with GX 400W all the way up to GX 750W power supplies, specifically targeted at systems in the upper-mid to high-end range, yet reasonably priced, providing users with unsurpassed cost per performance. The Cooler Master GX Series of power supplies feature a single highly robust 12 V rail, proficiently delivering power to the most demanding componentsincluding the processor, drives, cooling fans and even the most intense dual graphic cards. Including a double-layer EMI Filter, 120mm fan with intelligent speed control and an active PFC/PWM combo controller for increased efficiency, the GX Series will keep the power in your hands.

  • Single 12 V Power Rail
           Tackling challenges from the most power-intensive peripherals head on, this solitary 12 V power rail provides ample power and b resistance to any overloading.

  • Double-Layer EMI Filter
           Dual protection from electromagnetic interference, thus restraining noise and interference for greater protection for you and your connections.

  • Intel Compliant
           ATX12V v 2.3 and EPS version 2.91 compliant.

  • Intelligent Fan Speed Control
           Speed control makes the 120 mm fan adept for any user’s circumstances and need.

  • Active PFC+ PWM Combo Controller
           Integrating this active controller will increase the efficiency of any computer, making PFC higher than 99%.

  • Multiple Protection Design
           Over Voltage Protection (OVP), Under Voltage Protection (UVP), Over Power Protection (OPP), Over Temperature Protection (OTP) and Short Circuit Protection (SCP).

  • Massive Bulk Capacitor
           Producing hold times >17ms upon full loading.

  • Efficient Transformer
           - Adeptly holding power for minimal loss in the 5V standby voltage so the system is promptly up and ready from power on or sleep modes
           - Highly efficient design on par with 80Plus requirements (85% typical)

  • And More
           - Multiple updated connectors for all types of interfaces (PCIe, SATA etc.)
           - High reliability with an MBTF of at least 100,000 hours of use.
           - NVIDIA SLI-Ready Certified guarantees enough ample power and up-to date connectors for SLI graphics cards.
           - Five Year Warranty.

GX Series Product Sheet

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TypeIntel Form Factor ATX 12V V2.31
Dimension (W x L x H)150 x 140 x 86 mm
   5.9 x 5.5 x 3.4 inch
Input Voltage90-264Vac (Auto Range)
Input Current7A@115Vac, 5@230Vac
Input Frequency Range47-63Hz
PFCActive PFC (>0.9)
Power Good Signal100~500ms
Hold Up Time>17ms
Efficiency85% typical
MTBF>100,000 hours
ProtectionOVP / UVP / OPP / OTP / SCP
Output Capacity550W
Max. Output Capacity660W
Operation Temperature0~40°C (Nominal Input Voltage)
RegulatoryTUV / CE / UL / FCC / BSMI / GOST / C-tick / CCC / KCC
Certification80 PLUS
Connector20+4 Pin MB x 1
   4+4 Pin CPU 12V x 1
   6+2 Pin PCI x 2
   SATA x 6
   4 Pin Peripherial x 3
   4 Pin Floppy x 1

* Specifications are subject to change without notice.
  * Specifications may vary.
  * The product picture(s) is only for your reference, it may differ from the actual product.

CoolerMaster GX550 550W 80+ Bronze

CoolerMaster GX550 550W 80+ Bronze