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TX-M Series™ TX550M — 550 Watt 80 Plus® Gold Certified PSU

Gold-certified efficiency and semi-modular cabling for low energy use and easy installation

TX Series semi-modular power supplies are ideal for basic desktop systems where low energy use, low noise, and simple installation are essential. All of the capacitors are 105°C rated, Japanese brand, to ensure solid power delivery and long-term reliability. 80 PLUS Gold efficiency reduces operating cost and excess heat. Flat, sleeved black modular cables with clearly marked connectors make installation fast and straightforward, with good-looking results.

80 PLUS Gold-certified Efficiency

The super-efficient operation of the TX Series semi-modular results in lower energy use and lower operating costs. Since it generates less heat, the fan doesn’t need to work as hard, and you’ll enjoy near silent operation.

Modular cabling with clearly-marked connectors

The flat, sleeved black cables are semi-modular, so you’ll only use the cables you need and you’ll get great-looking results. The clearly marked connectors make installation fast and straightforward.

Corsair Engineering and Quality Control

Every CORSAIR power supply is designed by our California engineering team and built to our exact specifications. The same care that goes into the design and testing of our renowned high-power enthusiast power supplies also goes into the TX-M Series is semi-modular because you need confidence and reliability regardless of your build budget.


Package contents

TXM Series ATX Power Supply

Power cord

Modular cables

100mm floppy adapter

Mounting screws

Cable ties

Corsair badge

User manual


ATX12V v2.4 and EPS 2.92 standards


80 PLUS® Gold efficiency, delivering 90% energy efficiency at real-world load conditions.

Active PFC with full range AC input (100-240 VAC)

120mm rifle bearing fan.

Engineered to meet maximum power output at a server-grade 50°C temperature rating

Over-voltage protection, under-voltage protection, short circuit protection, overpower protection and over-temperature protection provide maximum safety to your critical system components

Safety and Agency Approvals: FCC, ICES, CE, UL, cUL, RCM, TÜV, CB, CCC, BSMI, EAC, RoHS, WEEE, KC

                                                          Corsair TX550M ATX Power Supply

AC Input Rating DC Output Rating
AC Input: 100V – 240V DC Output +3.3V +5V +12V -12V +5Vsb
Current: 10 – 5A Max Load 25A 20A 43A 0.8A 3A
Frequency: 47Hz – 63Hz Maximum Combined Wattage 120W 120W 516W 9.6W 15W
Total Power: 550W
80 Plus Gold
Fanless mode No
Wattage 550
Fan bearing technology Rifle Bearing
Fan size (mm) 120mm
C-Link Digital No
Continuous output rated temperature (°C) 50°C
Modular Semi-Modular
MTBF 100,000 hours
Sleeved cables Low-Profile, All Black
ATX Connector 1
EPS Connector 1
Floppy Connector 1
Four Pin Peripheral Connector 4
SATA Connector 5
Warranty Seven years




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