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Black rectangular ATX power supply with a single 135mm fan and fixed cables

ASUS

ASUS TUF GAMING 550B 550 W power supply

SKU CH-FB92-H4TPB MPN TUF GAMING 550B

Delivers 550 W through a single +12 V rail with 80 PLUS Bronze efficiency, a 135 mm dual-ball-bearing fan and military-grade capacitors

  • ColorBlack
  • TypeATX12V
  • Maximum Power550 W
  • Fans1 x 135mm Dual Ball Fan Bearing Fan
  • Main Connector20+4Pin
  • +12V RailsSingle

Options ATX 80+ Bronze (550W)

  • Reliable power delivery with 550 W maximum output
  • Efficient 80 PLUS Bronze certification reduces energy waste
  • Quiet operation through 0dB technology at low loads
  • Durable dual ball fan bearings last longer than sleeve designs
  • Military-grade certified capacitors and chokes withstand demanding conditions

550 W ATX power supply

The ASUS TUF GAMING 550B delivers 550 W of continuous power through a single +12 V rail. It uses a non-modular ATX12V design with a 150 mm chassis that fits standard cases. An 80 PLUS Bronze rating confirms efficient operation across typical loads.

Suits mid-range builds needing fixed cables

Builders who prefer a simple, fixed cable loom will appreciate the included 20+4 pin main connector, 8-pin CPU connector, two 6+2 pin PCIe connectors and five SATA power plugs. Systems requiring fully modular cabling or higher wattage should consider other units.

Single +12 V rail with 550 W capacity

The single-rail design provides the full 550 W to the +12 V line, simplifying power distribution for modern graphics cards and CPUs. Protection circuits cover over-power, over-voltage, under-voltage, over-current and over-temperature conditions.

I korthet

  • Reliable power delivery with 550 W maximum output
  • Efficient 80 PLUS Bronze certification reduces energy waste
  • Quiet operation through 0dB technology at low loads
  • Durable dual ball fan bearings last longer than sleeve designs
  • Military-grade certified capacitors and chokes withstand demanding conditions

Specifikationer

BrandASUS
SeriesTUF GAMING
ModelTUF GAMING 550B
ColorBlack
TypeATX12V
Maximum Power550 W
Fans1 x 135mm Dual Ball Fan Bearing Fan
Main Connector20+4Pin
+12V RailsSingle
PCI-Express Connector2 x 6+2-Pin
SATA Power Connector5
Max PSU Length150 mm
ModularNon-Modular
Energy-Efficient80 PLUS BRONZE Certified
ProtectionOPP / OVP / UVP / OCP / OTP
Input Voltage100 - 240 V
Input Frequency Range47 - 63 Hz
Input Current8 - 4A
Output+3.3V@25A, +5V@20A, [email protected] , [email protected] , +5VSB@3A
ApprovalsRoHS
Connectors1 x MB 24/20-pin
1 x CPU 4+4-pin
2 x PCI-E 6+2-pin
5 x SATA
4 x Peripheral
FeaturesCapacitors and chokes pass demanding tests to achieve Military-grade Certification.
Dual ball fan bearings can last up to twice as long as sleeve bearing designs.
A protective PCB coating protects against moisture, dust, and extreme temperatures.
An 80 Plus Bronze Certification is earned with high-quality components that pass rigorous testing.
Axial-tech fan design features a smaller fan hub that facilitates longer blades and a barrier ring that increases downward air pressure.
0dB technology lets you enjoy light gaming in relative silence.
Sleeved cables leave your rig looking tacti
Dimensions3.39" x 5.91" x 5.91"
Weight4.17 lbs.
Package ContentPower Cord x 1
Motherboard Power Cable x 1
CPU Cable 800mm x 1
PCI-E Cable x 1
SATA Cable x 2
Peripheral x 1
TUF Gaming sticker x 1
Fraktvikt2.58 kg
Paketstorlek290 × 200 × 108 mm

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Frågor om den här produkten

How loud is the 135mm dual ball bearing fan when the 550W unit runs all day?

The 135mm dual ball bearing fan uses Axial-tech design and 0dB Technology, so it stops completely under light loads and runs quietly at higher loads for all-day operation.

Which cables are permanently attached to this non-modular 550W supply?

The fixed cables include a 20+4-pin motherboard connector, an 80cm 4+4-pin CPU connector, two 6+2-pin PCIe connectors, five SATA connectors and four peripheral connectors.

Will the single +12V rail and 150mm length fit my older ATX case and motherboard?

Yes, the single +12V rail delivers the full 550W to modern and legacy components, while the 150mm depth matches standard ATX bays and the 20+4-pin main connector works with both 20-pin and 24-pin motherboards.

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