Lian Li SX Platinum 1000W Power Supply - G9P.SX1000P.B000.UK

Name: Lian Li SX Platinum 1000W Power Supply - G9P.SX1000P.B000.UK
Brand: LIAN LI
SKU: ou47ornhxh
Availability: InStock

The Lian Li SX Platinum 1000W is a high-performance, fully modular ATX 3.1 power supply unit desig...

Best current price£110.97from PCHUB.UK

Best offers

Shopping.co.uk recommended and popular offers

Lowest price

PCHUB.UK£110.97Visit shop

Lian Li Black Sx Platinum 1000W Modular Power Supply

Visit shop

All Offers

4 offers from £110.97 - £141.96

View price history by clicking the chart icon.

PCHUB.UKLian Li Black Sx Platinum 1000W Modular Power Supply

Free delivery in 1–3 days

£110.97

Visit shop

Scan ComputersLian Li Sx Platinum 1000W Fully Modular 80+ Platinum Atx Psu Size 3.1 Black Sx1000p.b

£5.48 delivery

£130.99

Visit shop

AWD-IT.co.ukLian Li Black Sx Platinum 1000W Atx 3.1 Pcie 5.1 80+ Platinum Modular Power Supply - G9p.sx1000p.b000.uk

Free delivery in 1–3 days

£131.20

Visit shop

eBay1000W Lian Li SX Platinum, Black, Fully Modular, 80 PLUS Platinum, Single Rail,

Free delivery in 1–3 days

£141.96

Visit shop

Product Information

Full details

The Lian Li SX Platinum 1000W is a high-performance, fully modular power supply unit designed for enthusiasts and power-users building high-end systems in compact or standard form factors. It offers an exceptional balance of efficiency and stability through its dual 80 PLUS and PPLP Platinum ratings and Japanese-grade internal components; however, users should ensure their case has adequate clearance for a 140mm chassis despite its compact footprint.

All features

Model Part Number	G9P.SX1000P.B000.UK
Brand	LIAN LI

Extended Product Information

FAQs

Does this PSU support fanless operation?

Yes, it features a silent fanless mode that remains active up to a 40% load.

Is this unit fully modular?

Yes, it is a fully modular unit, allowing you to use only the cables necessary for your specific build.

What is the primary difference between ATX 3.0 and ATX 3.1?

ATX 3.1 includes updated standards for power excursion management and tighter connectivity specifications for the 12V-2x6 header.

Are the cables included in the box?

Yes, a complete set of modular cables is included with the unit.

Can this fit in an ITX case?

With a 140mm depth, it is designed for compatibility with many compact cases, but check your case's specific PSU length limit.

What is the benefit of the Japanese capacitors?

They offer superior reliability, thermal resistance, and longer lifespan compared to standard-grade capacitors.

Troubleshooting

System will not power on

Check all modular cable connections at both the PSU and component ends, and ensure the power switch is in the 'I' position.

Fan makes clicking noise

Ensure no cables are obstructing the fan blades and verify that the unit is sitting level in the case.

Unstable power under heavy load

Verify that you are using the dedicated 12V-2x6 cable provided for the GPU rather than multiple daisy-chained adapters.

Pros and Cons

Pros

High-efficiency platinum-rated performance
Silent operation at lower loads
Robust ATX 3.1 power excursion support
Compact 140mm footprint
Durable Japanese capacitor construction

Cons

May be overkill for non-enthusiast builds
Premium pricing compared to lower-rated units
Requires careful cable management in very small SFF cases

Setup, Compatibility & Care

Installation of the SX Platinum 1000W is straightforward due to its fully modular design. Users should:

Ensure the PSU is compatible with the `ATX` mounting points in your chassis.
Connect only the cables required for your components to improve internal airflow.
Verify that the 12V-2x6 cable is fully seated into the GPU until it clicks.

For maintenance, keep the rear exhaust area clear of obstructions to allow the cooling fan to perform optimally. Use compressed air periodically to clean out dust accumulation, ensuring the unit remains ventilated and safe from thermal throttling.