PC parts / Power supplies
Lian LiPower supply
SX Platinum 1000W
Released November 2025.3Press articlelanoc.org/news/hardware-news/lian-li-introduces-the-platinum-certified-sx-psu-seriesRead 15 October 2026LANOC reprint of the Lian Li release dated November 13th, 2025, Taipei: the SX Series PSUs are available in black only starting November 13th, 2025. The release lists Newegg, Amazon, Caseking, Overclockers UK and SCAN as launch retailers. It names no date for the white units. Last checked 15 October 2026.
- Power
- 1,000W
- Efficiency
- 80 PLUS Platinum
- Modular cables
- Fully modular
- ATX version
- ATX 3.1
55 of 66 fields known.
At a glance
Efficiency at 115V
Higher than 87% of other power supplies.
Efficiency at 230V
Higher than 85% of other power supplies.
PCIe 8-pin connectors
5
Higher than 84% of other power supplies.
General
- Model numbers
- SX1000P, SX1000P.B, SX1000P.W1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Specifications table: product name and model SX1000P. The retail codes SX1000P.B (black) and SX1000P.W (white) come from Amazon US and BuildCores.7Retailer pageamazon.com/dp/B0FPCF4H5WRead 15 October 2026Item details: Model Number and Mfr Part Number SX1000P.B.8Retailer pageamazon.com/dp/B0FPCDJYBWRead 15 October 2026Item details: Model Number and Mfr Part Number SX1000P.W.
- GTIN / EAN
- 840353051874, 8403530519597Retailer pageamazon.com/dp/B0FPCF4H5WRead 15 October 2026Item details: UPC 840353051874. The check digit is valid. BuildCores lists the same UPC for the black unit.8Retailer pageamazon.com/dp/B0FPCDJYBWRead 15 October 2026Item details: UPC 840353051959. The check digit is valid. This is the only source for the white UPC.
- Announced
- 13 November 20253Press articlelanoc.org/news/hardware-news/lian-li-introduces-the-platinum-certified-sx-psu-seriesRead 15 October 2026Release dated November 13th, 2025.
- Status
- Available7Retailer pageamazon.com/dp/B0FPCF4H5WRead 15 October 2026The listing shows In Stock.
- Predecessor
- Not available
- Successor
- Not available
- Launch price (EU)
- Not available
- Markets
- Not available
- Colours
- Black, White1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Specifications: Color Black/White.7Retailer pageamazon.com/dp/B0FPCF4H5WRead 15 October 2026Color: Black.8Retailer pageamazon.com/dp/B0FPCDJYBWRead 15 October 2026Color: White.
- ATX version
- ATX 3.11Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Specifications: ATX12V Version ATX 3.1.3Press articlelanoc.org/news/hardware-news/lian-li-introduces-the-platinum-certified-sx-psu-seriesRead 15 October 2026Fully compliant with Intel's ATX 3.1 specification.
- PCIe CEM version
- PCIe 5.11Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Page: full compliance with ATX 3.1 and PCIe 5.1 standards.3Press articlelanoc.org/news/hardware-news/lian-li-introduces-the-platinum-certified-sx-psu-seriesRead 15 October 2026Native PCIe Gen 5.1 12V-2x6 connector rated up to 600W.
- Modular cables
- Fully modular1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Specifications: DC output cable Fully-Modular.
- Built by (OEM)
- Zhong Yuan Power5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026DUT Information: OEM/ODM Zhong Yuan Power. The unit label also names Guangdong ZYPower Co., Ltd. as the maker.6Reviewhwbusters.com/psus/lian-li-sx1000p-1000w-atx-v3-1-psu-reviewRead 15 October 2026Technical specifications: Manufacturer (OEM) Zhong Yuan Power.
Power
- Rated continuous power
- 1,000W1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Specifications: Max. DC output 1000W.
- Full power rated up to
- 50°C5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026Manufacturer-Provided Information: Operating Temperature (Continuous Full Load) 0 - 50 C.6Reviewhwbusters.com/psus/lian-li-sx1000p-1000w-atx-v3-1-psu-reviewRead 15 October 2026Technical specifications: Operating Temperature (Continuous Full Load) 0 - 50 C, copied from the Cybenetics report.
- 12V rail design
- Single rail3Press articlelanoc.org/news/hardware-news/lian-li-introduces-the-platinum-certified-sx-psu-seriesRead 15 October 2026Release: a high-amperage single +12V rail.5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026Power Specifications: one +12V column with 83.3 A and 999.6 W.6Reviewhwbusters.com/psus/lian-li-sx1000p-1000w-atx-v3-1-psu-reviewRead 15 October 2026Technical specifications: Number of 12V rails 1.
- +12V max current
- 83.3A2Owner's manualdrive.google.com/file/d/1zrF6xFm6Yvy33xA0oxVEnQQmp_DsDEaQ/viewRead 15 October 2026AC input rating / DC output rating table, SX1000P: +12V 83.3A.
- +12V max power
- 999.6W1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Specifications: Combined +12V 999.6W for the SX1000P.2Owner's manualdrive.google.com/file/d/1zrF6xFm6Yvy33xA0oxVEnQQmp_DsDEaQ/viewRead 15 October 2026Max output power, SX1000P: +12V 999.6W.
- +3.3V and +5V combined power
- 100W1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Specifications: Combined +3.3V & +5V Output 100W.2Owner's manualdrive.google.com/file/d/1zrF6xFm6Yvy33xA0oxVEnQQmp_DsDEaQ/viewRead 15 October 2026Max output power, SX1000P: one merged 100W cell for +3.3V and +5V (20A each).
- +5V standby current
- 3A2Owner's manualdrive.google.com/file/d/1zrF6xFm6Yvy33xA0oxVEnQQmp_DsDEaQ/viewRead 15 October 2026SX1000P: +5Vsb 3A, 15W. The -12V rail is 0.3A, 3.6W.
- AC input voltage
- Lowest100Highest240V1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Specifications: Input rating 100-240Vac, 6-12A for the SX1000P, 50-60Hz.2Owner's manualdrive.google.com/file/d/1zrF6xFm6Yvy33xA0oxVEnQQmp_DsDEaQ/viewRead 15 October 2026SX1000P: 100-240Vac, 12-6A, 50-60Hz. A 200-240Vac, 6A rating applies to China and Korea only.
- Alternative low power mode (ALPM)
- Yes5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026Temperature and Compliance Info: ALPM (Alternative Low Power Mode) compatible, checked. ATX v3.1 PSU Power Excursion is checked.6Reviewhwbusters.com/psus/lian-li-sx1000p-1000w-atx-v3-1-psu-reviewRead 15 October 2026Technical specifications: Alternative Low Power Mode support yes.
Certifications
- Cybenetics efficiency at 115V
- Cybenetics Platinum5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026Report 26PS3167A, lab ID LL10003167, sample serial G9PSX1000PB0CC255200002 (black unit), received Jan 2, 2026, tested Jan 29, 2026, issued Feb 3, 2026. ETA Platinum at 115V in the Cybenetics database. Lian Li claims 80 PLUS Platinum and PPLP Platinum and prints no Cybenetics level.
- Cybenetics efficiency at 230V
- Cybenetics Platinum5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026The Cybenetics database shows ETA Platinum at 230V.
- Cybenetics noise at 115V
- Standard++5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026LAMBDA Standard++ at 115V in the Cybenetics database.
- Cybenetics noise at 230V
- Standard++5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026LAMBDA Standard++ at 230V in the Cybenetics database.
Measured
- Average efficiency at 115V (measured)
- 90.716%5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026Average over more than 1450 load combinations at 115V, ambient 28-32 C. At 230V it is 92.544%.
- Average efficiency at 230V (measured)
- 92.544%5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026Average over more than 1450 load combinations at 230V.
- Light-load efficiency at 115V (measured)
- 75.22%5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026Efficiency at 2% load (more than 500 W unit) at 115V. At 230V it is 74.557%.
- Average power factor at 115V (measured)
- 0.995Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026Average over more than 1450 load combinations at 115V. At 230V it is 0.958.
- Average noise at 115V (measured)
- 32.88dB(A)5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026Average over more than 1450 load combinations at 115V, ambient 28-32 C, Bruel and Kjaer 2270 G4 sound analyzer. The 230V average is 31.88 dBA.
- Noise at full load at 115V (measured)
- 42.4dB(A)5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026Typical load tests at 115V, 100% load row: 42.4 dB(A) at 1893 rpm fan speed. The report prints 45.22 C and 53.05 C in the temperature column of that row, so this is a hotter test than the 28-32 C sweeps. At 230V it is 42.6 dB(A) at 1899 rpm. The fan stays at 0 rpm up to 30% load at 115V.
- Standby power with no load at 115V (measured)
- 0.0339W5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026Standby power consumption at 115V with no load on +5VSB: 0.0339 W. At 230V it is 0.1041 W.
- 12V ripple at full load (measured)
- 31.15mV5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026Non-accredited. 12V ripple at full load at 115V. At 230V it is 25.46 mV.
- 12V load regulation (measured)
- 0.25%5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026Non-accredited. 12V load regulation at 115V. At 230V it is 0.22%.
Cables and connectors
- Cables
Connector Connectors Cables Length to first plug (mm) Wire gauge Rated power (W) ATX 24-pin (20+4) 1 1 600 16AWG Not available CPU 8-pin (EPS, 4+4) 2 2 700 16AWG Not available PCIe 8-pin (6+2) 3 3 550 16AWG Not available PCIe 8-pin (6+2) 2 1 550 18AWG Not available 12V-2x6 1 1 600 16AWG 600 SATA power 8 2 400 18AWG Not available 4-pin Molex 4 1 400 18AWG Not available Source2Owner's manualdrive.google.com/file/d/1zrF6xFm6Yvy33xA0oxVEnQQmp_DsDEaQ/viewRead 15 October 2026Cable table, 1000W row: 1 motherboard 24/20-pin 600 mm, 2 CPU/ATX 12V 4+4-pin 700 mm, 3 single 8/6+2-pin PCIe 550 mm, 1 cable with 2 8/6+2-pin plugs 550 mm (12V-2x6 to dual PCIe), 1 12V-2x6 600 mm marked 600W, 2 SATA cables with 4 plugs each (400 mm + 150 mm x 3) and 1 PATA cable with 4 plugs (400 mm + 150 mm x 3). Cybenetics and Hardware Busters measure 450 mm for the SATA and Molex cables and 155 mm for the SATA spacing. The maker figures are stored. The 12V-2x6 to dual PCIe cable and the native 12V-2x6 cable use the same 12V-2x6 socket, so they are alternatives. Gauges come from the Cybenetics report.5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026Cables and Connectors table: ATX 20+4 pin 600 mm 16AWG, 2 x 4+4 pin EPS12V 700 mm 16AWG, 3 x 6+2 pin PCIe 550 mm 16AWG, the 2x 6+2 pin PCIe cable 550 mm 18AWG, 12+4 pin PCIe 600 mm (600W) 16-24AWG, 2 SATA cables with 8 plugs in total 450 mm + 155 mm x 3 18AWG and 1 Molex cable with 4 plugs 450 mm + 150 mm x 3 18AWG. The 16-24AWG range of the 12V-2x6 cable includes the sideband wires, so 16AWG is stored as the power wire gauge. The report lists the dual PCIe cable as 2 cables with 2 connectors, while Lian Li and Hardware Busters count 1 cable with 2 plugs. The maker count is stored.6Reviewhwbusters.com/psus/lian-li-sx1000p-1000w-atx-v3-1-psu-reviewRead 15 October 2026Page 2: the modular panel has a dedicated 12V-2x6 socket, five CPU and PCIe sockets, four peripheral sockets and the split 18+10-pin motherboard pair. The bundle has three single PCIe 6+2-pin cables and one cable from the 12V-2x6 socket to two 6+2-pin plugs. That cable and the native 12V-2x6 cable are alternatives, so the five legacy PCIe plugs and the native cable cannot all be used together.- CPU (EPS) connectors
- 2
- PCIe 8-pin connectors
- 5
- 16-pin GPU connectors
- 1
- SATA power connectors
- 8
- 4-pin Molex connectors
- 4
Fan
- Fan size
- 120mm1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Specifications: Fan type 120 mm FDB fan.
- Fan bearing
- Fluid dynamic (FDB)1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Specifications: Fan type 120 mm FDB fan.3Press articlelanoc.org/news/hardware-news/lian-li-introduces-the-platinum-certified-sx-psu-seriesRead 15 October 2026120mm FDB fan with a Zero RPM fanless mode.5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026DUT Information: 120mm Fluid Dynamic Bearing Fan (HA1225M12F-Z).6Reviewhwbusters.com/psus/lian-li-sx1000p-1000w-atx-v3-1-psu-reviewRead 15 October 2026Part Analysis: Hong Hua HA1225M12F-Z, 120mm, 12V, 0.45A, Fluid Dynamic Bearing Fan.
- Fan mode
- Semi-passive1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Page: fanless operation up to 40% load. The fan enters its smart stop/start mode at or below 40% load.5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026DUT Information: Semi-Passive Operation checked (selectable). The typical load table shows 0 rpm from 10% to 30% load at 115V.6Reviewhwbusters.com/psus/lian-li-sx1000p-1000w-atx-v3-1-psu-reviewRead 15 October 2026Technical specifications: Semi-Passive Operation yes (selectable). The fan stays stopped through 30% of rated load on a 115V line.
- Fan mode switch
- Yes1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Page: the smart stop/start feature can be enabled or disabled using the switch on the rear of the unit.3Press articlelanoc.org/news/hardware-news/lian-li-introduces-the-platinum-certified-sx-psu-seriesRead 15 October 2026The Zero RPM fanless mode can be toggled on or off using the switch on the rear panel.
Protection and parts
- Protections
- Over-current (OCP), Over-voltage (OVP), Under-voltage (UVP), Over-power (OPP), Over-temperature (OTP), Short-circuit (SCP), No-load (NLO), Surge and inrush (SIP)1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Specifications: protection OPP, NLP, OVP, SCP, OCP, OTP, SIP, UVP. NLP is no-load protection.3Press articlelanoc.org/news/hardware-news/lian-li-introduces-the-platinum-certified-sx-psu-seriesRead 15 October 2026OPP, OVP, SCP, OCP, OTP, UVP, SIP and NLP.5Measurementcybenetics.com/evaluations/psus/3167Read 15 October 2026Protection Features (Manufacturer): OPP, +12V OCP, OTP, SCP, surge protection and inrush protection ticked, fan failure protection not present. UVP and NLO come from the Hardware Busters protection tests.6Reviewhwbusters.com/psus/lian-li-sx1000p-1000w-atx-v3-1-psu-reviewRead 15 October 2026Protection Features page: OCP on 12V, 5V, 3.3V and 5VSB, OPP, OTP, SCP on every rail, UVP (90V full load and 80V no damage), NLO and SIP (surge MOV, inrush NTC and bypass relay) all shown. Fan failure protection is not present.
- All-Japanese capacitors
- Yes1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Page: 100% Japanese Rubycon, Nippon Chemi-Con and Nichicon 105 C capacitors. All electrolytic and solid capacitors are from those Japanese brands. Hardware Busters lists FPCAP polymer capacitors in the teardown, which the claim does not cover.3Press articlelanoc.org/news/hardware-news/lian-li-introduces-the-platinum-certified-sx-psu-seriesRead 15 October 2026100% Japanese 105 C capacitors.
- MTBF (claimed)
- Not available
Monitoring and lighting
We could not find any of these 4 fields. Show them
- Software monitoring
- Not available
- Software
- Not available
- Built-in power display
- Not available
- RGB lighting
- Not available
Dimensions and weight
Front and side, drawn to scale.
- Dimensions
- Width150Height86Depth140mm(5.9 × 3.4 × 5.5 in)1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Specifications: (W)150 mm X (H)86 mm X (D)140 mm.
In the box
- In the box
- Power supply, AC power cord, Cable combs 12V-2X6 x 2, Cable combs 24pin x 2, Cable combs 8 pin x 6, Case screw x 42Owner's manualdrive.google.com/file/d/1zrF6xFm6Yvy33xA0oxVEnQQmp_DsDEaQ/viewRead 15 October 2026Contents (page 1): power supply x1, AC power cord x1 (varies by region), cable combs 12V-2X6 x2, cable combs 24pin x2, cable combs 8 pin x6, case screw x4. Hardware Busters also lists cable ties in the bundle, which the manual does not.
Links
- Product page
- lian-li.com/product/sx-platinum1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Maker product page for the SX Platinum series.
- Spec sheet
- Not available
- Manual
- drive.google.com/file/d/1zrF6xFm6Yvy33xA0oxVEnQQmp_DsDEaQ/view1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Download button SX850P/SP1000P/SX1200P Manual (a Google Drive share link). The title has a typo, the file is headed SX0850P/SX1000P/SX1200P.
- EPREL registration number
- Not available
Warranty
- Manufacturer warranty (source market)
- 10years1Maker product pagelian-li.com/product/sx-platinumRead 15 October 2026Specifications: Warranty 10 Years. The page is the global Lian Li page.2Owner's manualdrive.google.com/file/d/1zrF6xFm6Yvy33xA0oxVEnQQmp_DsDEaQ/viewRead 15 October 2026Warranty Policy: the warranty period is 10 years from the date of purchase.3Press articlelanoc.org/news/hardware-news/lian-li-introduces-the-platinum-certified-sx-psu-seriesRead 15 October 2026Backed by a 10-year warranty.
Compare with
Pick a power supply to see both side by side. Differences are marked yellow.
Variants
Each variant lists only what differs from the specs above.
| Model number | GTIN | Colours |
|---|---|---|
| SX1000P.B | 840353051874 | Black |
| SX1000P.W | 840353051959 | White |
Sources
We read 8 sources for this power supply. The numbers match the markers in the sheet.
- Maker product pagelian-li.com/product/sx-platinum
- Measurementcybenetics.com/evaluations/psus/3167
- Retailer pageamazon.com/dp/B0FPCF4H5W
- Retailer pageamazon.com/dp/B0FPCDJYBW
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