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Lian Li RBO750B Offers ATX 3.1 Support at $69.99

By Tech Desk · · 1 min read
A black computer power supply unit with bundled cables and a honeycomb ventilation grille

Lian Li sells a 750W power supply with modern standards for under $70, skipping modular cables to cut costs.

Key points

  • The Lian Li RBO750B costs $69.99 and supports the ATX 3.1 standard.
  • It uses fixed cables to lower costs, which complicates cable management.
  • The unit offers a 10-year warranty and 80 PLUS Bronze efficiency.

Lian Li has released the RBO750B, a 750-watt power supply unit. It supports the newer ATX 3.1 standard. The device costs $69.99. TweakTown reviewed the unit recently.

This unit targets budget-conscious builders. It includes a native 12V-2x6 cable for graphics cards. The design uses fixed cables to lower the price.

Fixed Cables Save Money

Most modern units allow users to remove unused cables. This feature is called modularity. The RBO750B does not have this. All cables are permanently attached to the unit.

This design choice reduces manufacturing costs. It keeps the price near $70. However, it makes cable management harder in small cases. Users must route all wires, even unused ones.

Lian Li includes Velcro straps to help organize the wires. The cables exit from a single point. This can look messy without careful setup.

Efficiency And Power Protection

The unit holds an 80 PLUS Bronze rating. This means it converts 85% of AC power to DC at half load. While not the most efficient tier, it is sufficient for most desktops.

It supports ATX 3.1 specifications. This standard handles higher power spikes from modern graphics cards. The unit includes a 450-watt 12V-2x6 cable. This connects directly to newer GPUs without adapters.

The internal components include premium capacitors. These are rated for 105 degrees Celsius. They help the unit handle heat better than cheaper parts.

Noise And Long Term Support

The fan is a 135-millimeter unit from Hong Hao. It has eleven blades. Lian Li advertises a maximum noise level of 40 decibels.

Based on reporting by TweakTown, compiled by the Tradingbird desk.

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