Deliver next-level stability and efficiency to your high-performance build with the Lian Li SX1000P Platinum 1000W power supply. This PSU achieves elite 80 PLUS Platinum and PPLP Platinum certification by delivering up to 94% conversion efficiency, reducing heat and energy waste. It is fully compliant with the latest ATX 3.1 and PCIe 5.1 standards, featuring a reinforced native 12V-2x6 connector with high-current copper alloy terminals to safely power next-generation graphics cards and handle power excursions up to 200% of its rated output. Built exclusively with 100% premium Japanese 105degC capacitors, this unit guarantees exceptional durability and stable voltage regulation. Experience whisper-quiet operation thanks to a smart stop/start 120mm FDB fan that remains completely fanless up to a 40% load. The fully modular, compact 140mm ATX chassis ensures wide case compatibility and easy installation, while the included premium braided-texture cables with cable combs provide a clean, professional finish right out of the box, the SX Platinum is the definitive choice for a reliable and future-proof system.
Deliver next-level stability and efficiency to your high-performance build with the Lian Li SX1000P Platinum 1000W power supply. This PSU achieves elite 80 PLUS Platinum and PPLP Platinum certification by delivering up to 94% conversion efficiency, reducing heat and energy waste. It is fully compliant with the latest ATX 3.1 and PCIe 5.1 standards, featuring a reinforced native 12V-2x6 connector with high-current copper alloy terminals to safely power next-generation graphics cards and handle power excursions up to 200% of its rated output. Built exclusively with 100% premium Japanese 105degC capacitors, this unit guarantees exceptional durability and stable voltage regulation. Experience whisper-quiet operation thanks to a smart stop/start 120mm FDB fan that remains completely fanless up to a 40% load. The fully modular, compact 140mm ATX chassis ensures wide case compatibility and easy installation, while the included premium braided-texture cables with cable combs provide a clean, professional finish right out of the box, the SX Platinum is the definitive choice for a reliable and future-proof system.
Lian Li Platinum ATX3.1 ATX Power Supply Black 1000 W
Deliver next-level stability and efficiency to your high-performance build with the Lian Li SX1000P Platinum 1000W power supply. This PSU achieves elite 80 PLUS Platinum and PPLP Platinum certification by delivering up to 94% conversion efficiency, reducing heat and energy waste. It is fully compliant with the latest ATX 3.1 and PCIe 5.1 standards, featuring a reinforced native 12V-2x6 connector with high-current copper alloy terminals to safely power next-generation graphics cards and handle power excursions up to 200% of its rated output. Built exclusively with 100% premium Japanese 105degC capacitors, this unit guarantees exceptional durability and stable voltage regulation. Experience whisper-quiet operation thanks to a smart stop/start 120mm FDB fan that remains completely fanless up to a 40% load. The fully modular, compact 140mm ATX chassis ensures wide case compatibility and easy installation, while the included premium braided-texture cables with cable combs provide a clean, professional finish right out of the box, the SX Platinum is the definitive choice for a reliable and future-proof system.
Deliver next-level stability and efficiency to your high-performance build with the Lian Li SX1000P Platinum 1000W power supply. This PSU achieves elite 80 PLUS Platinum and PPLP Platinum certification by delivering up to 94% conversion efficiency, reducing heat and energy waste. It is fully compliant with the latest ATX 3.1 and PCIe 5.1 standards, featuring a reinforced native 12V-2x6 connector with high-current copper alloy terminals to safely power next-generation graphics cards and handle power excursions up to 200% of its rated output. Built exclusively with 100% premium Japanese 105degC capacitors, this unit guarantees exceptional durability and stable voltage regulation. Experience whisper-quiet operation thanks to a smart stop/start 120mm FDB fan that remains completely fanless up to a 40% load. The fully modular, compact 140mm ATX chassis ensures wide case compatibility and easy installation, while the included premium braided-texture cables with cable combs provide a clean, professional finish right out of the box, the SX Platinum is the definitive choice for a reliable and future-proof system.
in 7 offers
The lowest price for Lian Li Platinum ATX3.1 ATX Power Supply Black 1000 W right now is $249.00 at Mwave Australia, compared across 7 retailers.
The all-time low was $205.00 on 31 May 2026 — today's price is 21% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 13 Nov 2026.
Last updated at 13/11/2026 20:09:17
Lian Li SX Platinum 1000W 80 PLUS Platinum PCIe 5.1 ATX 3.1 Fully Modular Power Supply - Black
Lian Li SX1000P 1000W 80+ Platinum Fully Modular ATX 3.1 Power Supply
Free delivery between Tue – Fri
Lian Li SX 1000W Platinum PCIe 5.1 ATX 3.1 SFX Modular PSU
Delivery between 17–26 Nov $24.10
Lian Li SX PLATINUM 1000W Power Supply
Delivery $19
Lian Li SX1000P Platinum ATX3.1 1000W ATX Power Supply Black (SX1000P-B)
Delivery between Tue – Wed $19
Lian Li Sx1000p 1000w 80+ Platinum Fully Modular Atx 3.1 Power Supply
Free delivery
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Lian Li SX1000P 1000W 80+ Platinum Fully Modular ATX 3.1 Power Supply
Delivery $18.99
| Brand | LIAN LI |
| Form Factor | SFX |
| Modular | Yes |
| 80 PLUS Rating | 80 PLUS Platinum |
| Power Output | 1,000 watts |
Lian Li SX Platinum 1000W 80 PLUS Platinum PCIe 5.1 ATX 3.1 Fully Modular Power Supply - Black
Lian Li SX1000P 1000W 80+ Platinum Fully Modular ATX 3.1 Power Supply
Free delivery between Tue – Fri
Lian Li SX 1000W Platinum PCIe 5.1 ATX 3.1 SFX Modular PSU
Delivery between 17–26 Nov $24.10
Lian Li SX PLATINUM 1000W Power Supply
Delivery $19
Lian Li SX1000P Platinum ATX3.1 1000W ATX Power Supply Black (SX1000P-B)
Delivery between Tue – Wed $19
| Brand | LIAN LI |
| Form Factor | SFX |
| Modular | Yes |
| 80 PLUS Rating | 80 PLUS Platinum |
| Power Output | 1,000 watts |
