Lian Li RB 750W Bronze ATX 3.1 PSU & PCIe 5.1 Compliant Black PSU
The Lian Li RB 750W Bronze ATX 3.1 PSU & PCIe 5.1 Compliant Black PSU is a 750 W, 80 PLUS Bronze power supply built to the ATX 3.1 standard. It is non-modular, measures 150 x 86 x 150 mm and is cooled by a 135mm HYB fan.
It suits gamers and home or office builders who want a standards-compliant 750 W unit for a mid-range system without paying for modular cabling. Pick it up on its own or add it to a full system in our PC builder, with free assembly and testing when it is bought as part of a PC build.
Highlights
- 750 W output, with up to 750W on the combined +12V rail
- ATX 3.1 and PCIe 5.1 compliant
- 80 PLUS Bronze efficiency
- Non-modular DC output cables
- 135mm HYB fan
- Protections: OPP, OVP, SCP, OCP, UVP, OTP
Best for
- Mid-range gaming PCs that need a 750 W ATX 3.1 power supply
- Builders who want fixed, non-modular cables with nothing to lose or mismatch
- Upgrading an older PSU to the ATX 3.1 and PCIe 5.1 standards
- Home and office desktops in standard ATX cases
Specifications
| Atx12v version | ATX 3.1 |
|---|---|
| Efficiency | 80 PLUS Bronze |
| Dc output cable | Non-Modular |
| Dimensions | (D)150 mm X (W)86 mm X (H)150 mm |
| Color | Black |
| Input rating | 100-240Vac 8A, 50-60Hz | 100-240Vac 10A, 50-60Hz | 100-240Vac 10A, 50-60Hz |
| Max. dc output | 550W | 650W | 750W |
| Combined +12v | 549.6W | 649.2W | 750W |
| Combined +3.3v & +5v | 100W |
| Fan spec | 135mm HYB Fan |
| Fan rpm | 1300rpm | 1600rpm | 1600rpm |
| Noise level | 33.2dBA | 39.3dBA | 40.1dBA |
| Mtbf | 100,000 hrs minimum 25℃/75% Load |
| Protection | OPP,OVP,SCP,OCP,UVP,OTP |
| Safety approval | CE/CB/cTUVus/TÜV/FCC/BSMI/CCC/KCC/SAA+RCM |
Compatibility and related parts
Before you buy, check that your case has room for a 150 mm deep ATX power supply and space to tuck the non-modular cables. Browse our PC cases, and compare your graphics card's recommended PSU wattage against this unit's 750 W. You can also see other power supplies. The PC builder checks compatibility for you.
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Warranty
Warranty
- All products come with a 1-year official local warranty, unless mentioned otherwise.
- Accessories (such as cables, covers, power banks, etc.) are not covered under warranty.
- Please check your item at the time of delivery—you may refuse the order if you notice any damage.
- The warranty provided is an official local manufacturer warranty.
- Apple products include both local and international warranty, as per Apple’s policy.
Shipping & Returns
Shipping & Returns
• Shipping: Orders are processed within 0–2 business days. Standard delivery takes 0–5 business days depending on your location.
• Returns: You may return or exchange products within 10 days of receiving your order. Items must be in original condition with proof of purchase.
If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.
No advance payments required—even for preorders. Pay on delivery or cancel anytime, hassle-free.
FAQs
Is the Lian Li RB 750W modular?
Is the Lian Li RB 750W modular?
Will it fit in my case?
Will it fit in my case?
Is it suitable for a modern graphics card?
Is it suitable for a modern graphics card?
How loud is the fan?
How loud is the fan?
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