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

Lian Li

Lian Li RB 750W power supply, 80 Plus Bronze, ATX 3.1, PCIe 5.1, 135mm fan, non-modular, black

SKU CH-MBR7-PKXXN

A 750 W ATX 3.1 power supply with 80 Plus Bronze efficiency, PCIe 5.1 support, a 135 mm fan and built-in cable channels

  • ColorBlack
  • TypeATX (ATX 3.1 Compatible)
  • Maximum Power750 W
  • Fans1 x 135 mm HYB Fan
  • PFCActive PFC, PF > 0.95 under full load @ 115Vac, 60Hz
  • Main Connector20+4Pin

Size 750W

  • 750 W continuous output at 40 °C for stable high-load performance
  • 80 Plus Bronze certification reaching 85 % efficiency to reduce waste heat
  • ATX 3.1 platform with PCIe 5.1 12+4 pin connector ready for modern GPUs
  • 135 mm hydraulic-bearing fan optimised for low-noise cooling under typical use
  • Built-in cable routing channels and Velcro straps keep excess wires tidy for better airflow

750W ATX 3.1 power supply for modern PCs

This 750W unit targets builders assembling gaming or creator systems that need ATX 3.1 compliance and a native 12+4pin connector. It delivers continuous rated output at 40°C ambient temperature with active PFC above 0.95 at 115Vac. The 80 PLUS Bronze rating confirms up to 85% efficiency under typical loads.

Non-modular design with built-in cable routing

All cables are fixed to the unit, including a 20+4pin main connector, two EPS 4+4pin cables, one PCIe 6+2pin, one 16pin to 6+2pin adapter and one 12+4pin cable rated for 450W. SATA and peripheral leads are also attached. Integrated routing channels and Velcro straps on the housing help secure excess length behind the motherboard tray for cleaner airflow.

Replaces older Bronze units lacking ATX 3.1

The jump is worthwhile when a build requires the 12+4pin interface for newer graphics cards or when the platform demands ATX 3.1 transient response. It also suits systems moving up from lower-wattage Bronze models that cannot sustain 750W continuously at 40°C. Builders who need fully modular cabling or higher efficiency ratings should look elsewhere.

Istaknuto

  • 750 W continuous output at 40 °C for stable high-load performance
  • 80 Plus Bronze certification reaching 85 % efficiency to reduce waste heat
  • ATX 3.1 platform with PCIe 5.1 12+4 pin connector ready for modern GPUs
  • 135 mm hydraulic-bearing fan optimised for low-noise cooling under typical use
  • Built-in cable routing channels and Velcro straps keep excess wires tidy for better airflow

Specifikacije

BrandLIAN LI
SeriesRB series
ColorBlack
TypeATX (ATX 3.1 Compatible)
Maximum Power750 W
Fans1 x 135 mm HYB Fan
PFCActive PFC, PF > 0.95 under full load @ 115Vac, 60Hz
Main Connector20+4Pin
ModularNon Modular
Energy-Efficient80 PLUS BRONZE Certified
ProtectionOPP/OVP/SCP/OCP/UVP/OTP
Input Voltage100 - 240 V
Input Frequency Range10A, 50-60Hz
MTBF>100,000 Hours
ApprovalsCE/CB/cTUVus/TÜV/FCC/BSMI/CCC/KCC/SAA+RCM
ConnectorsMain Power (20+4Pin)600mm * 1pc
ATX 12V (4+4Pin) EPS 4+4pin 650mm * 2pc
PCIe 6+2 600+150mm * 1pc, 16pin to PCIe 6+2 100mm * 1pc
PCIe 12+4pin (450W) 600mm *1pc
SATA (5Pin) / Peripheral (4Pin) SATA 400+150+150mm + PATA 150mm * 1pcs
SATA 400+150mm + PATA 150mm * 1pcs
Dimensions150mm(W)x86mm(H)x150mm(D)
Weight5 lbs

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Pitanja o ovom artiklu

What does the ATX 3.1 standard cap in practice for this unit?

The PSU follows the ATX 3.1 specification and includes a native 12+4pin connector rated for 450 W, supporting PCIe 5.1 graphics cards.

What clearance does the 150 mm deep housing need in the case?

The unit measures 150 mm wide, 86 mm high and 150 mm deep, so the case must accept a standard ATX power supply of that depth.

How do the fixed cables connect, and which step is often missed?

All cables are permanently attached; plug the 20+4 pin main, both 4+4 pin EPS, the 6+2 pin PCIe, the 12+4 pin PCIe and the SATA/peripheral leads, then use the built-in routing channels and Velcro straps to secure excess length.

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