Lian Li

Lian Li RB750B 750W 80 PLUS Bronze ATX 3.1 Power Supply, Native 12V-2x6, 135mm HYB Fan, Compact 150mm, OVP/UVP/OCP/OPP/OTP/SCP, Black, UK Plug (RB0750B)

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SKU: RB750B

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Lian Li RB750B 750W 80 PLUS Bronze ATX 3.1 power supply black
390.00 SAR
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The Lian Li RB750B (RB0750B) is a 750W ATX 3.1 power supply with 80 PLUS Bronze certification and up to 85% efficiency, built for everyday and gaming PCs. It has a native 12V-2x6 connector for the latest graphics cards, a quiet 135mm HYB temperature-controlled fan and six protections (OVP, UVP, OCP, OPP, OTP and SCP). A compact 150 mm body fits most ATX cases, and the built-in routing channel with Velcro straps and three-sided cable exits keeps builds clean, including back-connector motherboards. This is the black UK-plug version, backed by a 5-year manufacturer warranty.

Key Features

  • 750W output on a single high-amperage +12V rail
  • 80 PLUS Bronze certified, up to 85% efficient
  • ATX 3.1 ready with native 12V-2x6 (PCIe 5.1) GPU connector
  • Extra 12V-2x6 to PCIe 6+2 pin cable for up to three 8-pin GPU connectors
  • 135mm HYB smart fan for quiet, effective cooling
  • Six protections: OVP, UVP, OCP, OPP, OTP and SCP
  • Built-in cable management channel with Velcro straps on three sides
  • Compact 150 mm depth for wide case compatibility
  • 105°C capacitors and DC-to-DC design for stable power
  • 5-year warranty from Lian Li

Full Specifications

General Information
Brand Lian Li
Product Name Lian Li RB 750B
Model Number RB0750B
Product Type ATX Power Supply
Version Black, UK plug
Condition New, genuine Lian Li stock
Power
Rated Wattage 750W
Standard ATX 3.1 (ATX12V 3.1)
Efficiency 80 PLUS Bronze, up to 85%
PFC Active PFC, PF > 0.95 at full load
Input Rating 100-240 Vac, 10A, 50-60 Hz
Combined +12V 750W, single high-amperage +12V rail
Combined +3.3V & +5V 100W
Topology DC-to-DC with 105°C capacitors
Connectors
Cabling Non-modular main cables, detachable SATA/peripheral cables
ATX / MB 1 x 20+4 pin
CPU / EPS 4+4 pin
GPU 1 x native 12V-2x6 (PCIe 5.1) + PCIe 6+2 pin
GPU Adapter 100mm 12V-2x6 to PCIe 6+2 pin cable, for up to three 8-pin GPU connectors
Others SATA and PATA (Molex) peripheral connectors
Cables Braided-textured flat cables, black
Cooling
Fan 135mm HYB smart temperature-controlled fan
Fan Speed 1600 RPM
Noise Level 40.1 dBA
Protection
Protections OVP, UVP, OCP, OPP, OTP, SCP
Operating Temp. Up to 40°C
Safety Approvals CE, CB, cTUVus, TÜV, FCC, BSMI, CCC, KCC, SAA+RCM
Physical
Dimensions 150 x 86 x 150 mm (D x W x H)
Colour Black
Cable Management Built-in routing channel with Velcro straps, three-sided cable exits
Reliability
MTBF 100,000 hours minimum (25°C, 75% load)
Warranty 5 years (manufacturer)

Who It Is For

  • Gamers building mid-range systems with a single graphics card
  • Builders with RTX 40 / RTX 50 cards that use the 12V-2x6 connector
  • Compact and back-connector motherboard builds that need tidy cabling
  • Office and everyday PCs that need dependable, efficient power
  • Buyers in Riyadh, Jeddah and Dammam who want a genuine Lian Li PSU with warranty

What's in the Box

  • Lian Li RB750B power supply
  • UK power cord
  • 12V-2x6 to PCIe 6+2 pin cable
  • Mounting screws
  • User manual

Frequently Asked Questions

What is the wattage of the Lian Li RB750B?
It is a 750W ATX 3.1 power supply.

What efficiency rating does it have?
It is 80 PLUS Bronze certified with up to 85% efficiency.

Does it support RTX 40 and RTX 50 graphics cards?
Yes. It has a native 12V-2x6 (PCIe 5.1) connector, plus a 12V-2x6 to PCIe 6+2 pin cable for up to three 8-pin connectors on AMD and older cards.

Is it modular?
The main cables are fixed (non-modular), while the SATA and peripheral cables are detachable, and a built-in routing channel keeps excess cables tidy.

What plug does this version use?
This is the Black UK version, supplied with a UK (BS 1363) three-pin power cord, the standard plug type in Saudi Arabia.

Is the Lian Li RB750B available in Saudi Arabia?
Yes. PC PARK supplies the genuine Lian Li RB750B in Saudi Arabia with warranty and fast delivery to Riyadh, Jeddah, Dammam and the rest of the Kingdom.

Order the Lian Li RB750B (RB0750B) from PC PARK, genuine Lian Li stock with warranty and fast delivery across the Kingdom.

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Our Milestones

  • 2023

    Expanded our product catalog with the latest gaming and professional hardware, serving thousands of satisfied customers

  • 2024

    Launched our online store and delivery service, making tech accessible to customers across Saudi Arabia

  • 2025

    Reached a major milestone in customer satisfaction with enhanced after-sales support and warranty services

  • 2026

    Continuing to grow as Saudi Arabia's trusted destination for technology, gaming, and custom PC solutions

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