Lian Li SX Platinum 1000W Modular Power Supply - Black

Manufacturer: Lian Li | Model: G9P.SX1000P.B000.UK | Product ID: 4026
£6.00 (inc. VAT)
Availability: 0 in stock

Product Technical Specification

Dimensions
Length / Depth140 mm
Width150 mm
Height86 mm
Efficiency Class
80PLUS Efficiency80 PLUS Platinum
Power Specifications
Total Power Output1000 W
Power Output +3.3V & +5V (combined)100 W
Power Output +12V rails999.6 W
Lighting
Lighting / RGBNo
Colour
Primary ColourBlack
Fan Specifications
Fan Size120 mm
Power Supply
PSU FormatATX
ATX StandardATX 3.1
12V Distributionsingle rail
Modular Power SupplyYes
Modular Typefully modular
Protection CircuitsOVP (Overvoltage and Undervoltage Protection), UVP (Undervoltage Protection), SCP (Short-Circuit Protection), OPP (Overload Protection), OTP (Overtemperature Protection), OCP (Overcurrent Protection)
Cooling
Semi Passive Power SupplyYes
Internal Ports
CPU Power Connectors 12V ATX/EPS2
CPU Power Supply2x 4+4-Pin
12V-2x6 Power Connectors1
8 Pin PCIe Power Connectors3
SATA Power Connectors8
Cable Specifications
Max. CPU Power Cable Length700 mm
Max. 24-Pin Motherboard Power Cable Length600 mm
Max. 12V-2x6 Cable Length600 mm
Max. PCIe Power Cable Length550 mm
Max. SATA Power Cable Length850 mm

Delivery Options

Economy Delivery
FREE
Economy Delivery

Economy Delivery (UK)

Estimated delivery date: Sun 07th Dec 2025 to Wed 10th Dec 2025
Fast & Tracked by Courier
£6.95
Fast & Tracked by Courier

Fast & Tracked by Courier (UK)

Estimated delivery date: Sat 06th Dec 2025 to Mon 08th Dec 2025
View all Delivery Options & International Rates
Lian Li SX Series PSU Banner

The Lian Li SX Series 1000W PSU is a fantastic choice for enthusiasts looking to build their dream gaming PC. With up to 1000W power delivery, the SX Series can easily facilitate a high-end CPU, a modern GPU, multiple storage drives, and a comprehensive cooling system. No matter what hardware you opt for, your PC will be highly efficient, as this PSU can convert up to 92% of the AC power from your mains supply into useful DC energy for your computer at half load. As such, the SX Series PSUs have earned an 80 PLUS Platinum rating. An added benefit, these power supplies are easy to maintain at optimal temperatures using a 120mm FDB fan. When under a light load, the Lian Li SX Series 1000W PSU can even enter Zero RPM mode, where the fan stops spinning for silent operation. Furthermore, with a modular design, this power supply is perfect for building a super-clean PC, as you only need to plug in the cables you require.

Lian Li SX Series Power Supplies at a Glance:

  • High-capacity power delivery of up to 1000W
  • 80 PLUS Platinum rating - 92% efficient at half load
  • Fully-modular design with a full set of braided cables included
  • Complies with the ATX 3.1 and PCIe 5.1 standards
  • 120mm FDB fan for enhanced cooling with a Zero RPM mode for silent operation
  • Covered by a 10-year warranty

Who is the Lian Li SX Series Power Supplies Perfect For?

  • Enthusiasts looking to build a powerful gaming PC or workstation
  • People that like to work in a quiet environment
  • Gamers that want a clutter-free aesthetic

LIAN LI - SX PLATINUM PSU SERIES OFFICIAL PRODUCT VIDEO

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Lian Li 1000W SX Series Platinum PSU

Exceptional Power Delivery for High-End Hardware

The Lian Li SX Series 1000W PSU is a high-end power supply, designed to support the latest premium components. With 1000W power delivery, this PSU can easily facilitate the latest AMD and Intel processors alongside high-performance GPUs, like the NVIDIA GeForce RTX 5090. What’s more, this PSU is well-equipped to handle future components, as it is fully compliant with the ATX 3.1 and PCIe 5.1 standards. As such, there is native support for 12V-2x6 power cables, letting you power your prized GPU using a single cable.


Incredible Efficiency for Minimal Cooling

Built using premium components, including Japanese 105°C capacitors, the Lian Li SX Series 1000W PSU boasts incredible energy efficiency. In fact, this power supply can convert 92% of the electricity it draws from your wall outlet into DC power for your computer at half load. With this amazing performance, these PSUs have received an 80 PLUS Platinum rating.

Thanks to their efficiency, an SX Series PSU is easy to maintain at optimum temperatures. When under a heavy load, the 120mm fan will spin at speeds of up to 2000RPM, delivering plenty of fresh air to keep the power supply cool. There is also a Zero RPM mode, where the fan stops spinning should the total load on the PSU drop to under 40%.

PSU Cooling Fan

Modular Backplate

Modular Design for Clean Builds

With a modular design, the Lian Li SX Series Power is perfect for building a gaming PC with a clean aesthetic. Thanks to the modular backplate, you need only plug in the cables you require, keeping clutter to a minimum. Furthermore, the Lian Li SX Series Power comes with a full set of braided cables. These wires are much more pliable, making them easier to route through your case. This includes the custom 12V-2x6 cable, which features an in-house moulded 12+4 connector that utilises a dual-colour design, to indicate when the cable is fully seated.


Long-Term Safety and Reliability

The Lian Li SX Series 1000W PSU is equipped with a suite of protection mechanisms, designed to keep both your power supply and PC safe from damage. Some of these include Over Power Protection (OPP), Over Voltage Protection (OVP), Short Circuit Protection (SCP), and No Load Protection (NLP). These systems work in conjunction with one another to protect your computer against any dangers, for outstanding longevity. In fact, Lian Li is so confident in the durability of these power supplies that they offer an incredible 10-year warranty with each SX Series PSU.

Lian Li SX Series PSU Details
Dimensions
Length / Depth140 mm
Width150 mm
Height86 mm
Efficiency Class
80PLUS Efficiency80 PLUS Platinum
Power Specifications
Total Power Output1000 W
Power Output +3.3V & +5V (combined)100 W
Power Output +12V rails999.6 W
Lighting
Lighting / RGBNo
Colour
Primary ColourBlack
Fan Specifications
Fan Size120 mm
Power Supply
PSU FormatATX
ATX StandardATX 3.1
12V Distributionsingle rail
Modular Power SupplyYes
Modular Typefully modular
Protection CircuitsOVP (Overvoltage and Undervoltage Protection), UVP (Undervoltage Protection), SCP (Short-Circuit Protection), OPP (Overload Protection), OTP (Overtemperature Protection), OCP (Overcurrent Protection)
Cooling
Semi Passive Power SupplyYes
Internal Ports
CPU Power Connectors 12V ATX/EPS2
CPU Power Supply2x 4+4-Pin
12V-2x6 Power Connectors1
8 Pin PCIe Power Connectors3
SATA Power Connectors8
Cable Specifications
Max. CPU Power Cable Length700 mm
Max. 24-Pin Motherboard Power Cable Length600 mm
Max. 12V-2x6 Cable Length600 mm
Max. PCIe Power Cable Length550 mm
Max. SATA Power Cable Length850 mm

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Buykingston offers a very flexible and hassle free returns policy. If for whatever reason you are not happy with the item purchased you can return it to us within 12months for a refund (for unused and unopened items) or within 30 days on opened and used items for a refund. This applies to items purchased direct through Buykingston  only.

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For items opened and used and that are returned in a resellable condition.

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Returns FAQs

What is your returns criteria?
On opened items 30 days from date of receipt or expected date of receipt on non tracked items.
On unopened items 365 days.

How do i go about returning my order?
Please contact us via our contact page with your order number where we will present you with an RMA number and returns label.

Do i need to contact you before returning my order?
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Does my item have to include its original packaging?
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Who deals with the warranty on a faulty item?
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