Power supplies / Compare
be quiet! Dark Power 14 1000W vs Lian Li SX Platinum 1000W
Product A: be quiet!
55 of 66 known
Lian Li EDGE Gold 1000W
ASUS TUF Gaming 850W Gold EVO
Lian Li EDGE Platinum V2 1000W
CORSAIR RM1000x SHIFT (2025)
CORSAIR RM1000e (2025)
Super Flower Leadex VIII Platinum PRO 1000W
Fractal Design Ion 3 Gold 1000W
Super Flower Zillion FP 1000W
Montech Century II 1050W
be quiet! Pure Power 13 M 1200W
Montech Century II 1200W
Seasonic FOCUS GX-850 (2024)
Change be quiet! Dark Power 14 1000W
Compare the Lian Li SX Platinum 1000W with
Lian Li EDGE Gold 1000W
ASUS TUF Gaming 850W Gold EVO
Lian Li EDGE Platinum V2 1000W
CORSAIR RM1000x SHIFT (2025)
CORSAIR RM1000e (2025)
Super Flower Leadex VIII Platinum PRO 1000W
Fractal Design Ion 3 Gold 1000W
Super Flower Zillion FP 1000W
Montech Century II 1050W
be quiet! Pure Power 13 M 1200W
Montech Century II 1200W
Seasonic FOCUS GX-850 (2024)Product B: Lian Li
55 of 66 known
be quiet! Pure Power 13 M 1200W
CORSAIR RM1000x SHIFT (2025)
Super Flower Leadex VIII Platinum PRO 1000W
Fractal Design Ion 3 Gold 1000W
Super Flower Zillion FP 1000W
CORSAIR RM850x SHIFT (2025)
be quiet! Pure Power 13 M 1000W
MSI MAG A1000GLS PCIE5
ASRock PRO-850G
be quiet! Pure Power 13 M 850W
CORSAIR RM1000e (2025)
MSI MAG A1000PLS PCIE5
Change Lian Li SX Platinum 1000W
Compare the be quiet! Dark Power 14 1000W with
be quiet! Pure Power 13 M 1200W
CORSAIR RM1000x SHIFT (2025)
Super Flower Leadex VIII Platinum PRO 1000W
Fractal Design Ion 3 Gold 1000W
Super Flower Zillion FP 1000W
CORSAIR RM850x SHIFT (2025)
be quiet! Pure Power 13 M 1000W
MSI MAG A1000GLS PCIE5
ASRock PRO-850G
be quiet! Pure Power 13 M 850W
CORSAIR RM1000e (2025)
MSI MAG A1000PLS PCIE537 of 58 fields differ
- 33 different values
- 4 known for one only
- 17 the same
- 4 missing for both
Biggest differences
Each bar uses the scale of all 66 power supplies.
- Average noiseLower is betterA: 10.34dB(A)B: 32.88dB(A)be quiet! is 22.54 dB(A) lower.
- 4-pin Molex connectorsA: 2B: 4Lian Li has 2 more.
- SATA power connectorsA: 13B: 8be quiet! has 5 more.
- 12V rippleLower is betterA: 21.32mVB: 31.15mVbe quiet! is 9.83 mV lower.
- PCIe 8-pin connectorsA: 4B: 5Lian Li has 1 more.
- Hold-up timeA: 17msB: 19msLian Li is 2 ms higher.
Size, drawn to scale
Front and side.
- Abe quiet!: 150 × 86 mm
- BLian Li: 150 × 86 mm
Weight
0 to 2.5 kg
All 66 fields
Every value links to where we found it.


General
6 of 12 differ
Series
Model numbers
BP020US, BP020EU8Retailer pageavadirect.com/DARK-POWER-14-80-PLUS-Titanium-1000W-Fully-Modular-ATX-Power-Supply/Product/19681238Read 15 October 2026AvaDirect (US) lists MPN and article number BP020US. It lists EAN 4260052192023, the same EAN Scan gives for BP020EU, so the EAN is stored on the EU model only.9Retailer pagescan.co.uk/products/1000w-be-quiet!-dark-power-14-fully-modular-pcie-51-80plus-titanium-quad-rail-833a-135mm-fan-atx-31Read 15 October 2026Scan UK lists the model number BP020EU (Scan code LN165194).
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
October 20253Press articleguru3d.com/story/be-quiet-announces-dark-power-14-power-supply-seriesRead 15 October 2026Guru3D copy of the be quiet! press release, published 2025-10-14. The Dark Power 14 series has 850 W, 1000 W and 1200 W models.4Press articlefunkykit.com/news/be-quiet-announces-dark-power-14-power-supply-seriesRead 15 October 2026Copy of the press release dated 2025-10-14 (Eddie Chim).
Status
Available8Retailer pageavadirect.com/DARK-POWER-14-80-PLUS-Titanium-1000W-Fully-Modular-ATX-Power-Supply/Product/19681238Read 15 October 2026US listing is live in October 2026 with low stock.9Retailer pagescan.co.uk/products/1000w-be-quiet!-dark-power-14-fully-modular-pcie-51-80plus-titanium-quad-rail-833a-135mm-fan-atx-31Read 15 October 2026UK listing is live in October 2026.
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
$274.93Press articleguru3d.com/story/be-quiet-announces-dark-power-14-power-supply-seriesRead 15 October 2026Suggested retail price $274.90 for the 1000 W model. The release does not say whether tax is included, and US prices are normally quoted without sales tax.6Reviewclub386.com/be-quiet-dark-power-14-reviewRead 15 October 2026Price $274.90 / 274.90 EUR in the review's specification table.
Launch price (EU)
€274.93Press articleguru3d.com/story/be-quiet-announces-dark-power-14-power-supply-seriesRead 15 October 2026Suggested retail price 274.90 EUR for the 1000 W model, as published. The release does not say whether VAT is included. HW Busters labels its $275/275 EUR MSRP as excluding VAT. Street prices in the EU are 264 to 280 EUR including VAT.6Reviewclub386.com/be-quiet-dark-power-14-reviewRead 15 October 2026Price $274.90 / 274.90 EUR in the review's specification table.
Not available
Markets
Not available
Not available
Colours
Form factor
ATX version
ATX 3.13Press articleguru3d.com/story/be-quiet-announces-dark-power-14-power-supply-seriesRead 15 October 2026Series is ATX 3.1 compliant (see also the Funkykit copy).4Press articlefunkykit.com/news/be-quiet-announces-dark-power-14-power-supply-seriesRead 15 October 2026ATX 3.1 compliant.9Retailer pagescan.co.uk/products/1000w-be-quiet!-dark-power-14-fully-modular-pcie-51-80plus-titanium-quad-rail-833a-135mm-fan-atx-31Read 15 October 2026Standard ATX 3.1.
PCIe CEM version
PCIe 5.13Press articleguru3d.com/story/be-quiet-announces-dark-power-14-power-supply-seriesRead 15 October 2026Full support for PCIe 5.1 graphics cards (see also the Funkykit copy).4Press articlefunkykit.com/news/be-quiet-announces-dark-power-14-power-supply-seriesRead 15 October 2026PCIe 5.1 GPU support.9Retailer pagescan.co.uk/products/1000w-be-quiet!-dark-power-14-fully-modular-pcie-51-80plus-titanium-quad-rail-833a-135mm-fan-atx-31Read 15 October 2026PCIe 5.1 with a native 12V-2x6 connector.
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
Built by (OEM)
Channel Well Technology (CWT)1Measurementcybenetics.com/evaluations/psus/2953Read 15 October 2026DUT Information: OEM/ODM CWT.5Reviewhwbusters.com/psus/be-quiet-dark-power-14-1000w-atx-v3-1-psu-reviewRead 15 October 2026Technical specifications: Manufacturer (OEM) CWT.6Reviewclub386.com/be-quiet-dark-power-14-reviewRead 15 October 2026Specification table: OEM CWT.
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
5 of 9 differ
Rated continuous power
Full power rated up to
40°C5Reviewhwbusters.com/psus/be-quiet-dark-power-14-1000w-atx-v3-1-psu-reviewRead 15 October 2026Technical specifications: Operating Temperature (Continuous Full Load) 0 - 40 C, the label of the Cybenetics manufacturer-provided field. The Cybenetics report page leaves that row empty. The review also notes the unit delivered full power at 46 C, which is a test and not a rating.8Retailer pageavadirect.com/DARK-POWER-14-80-PLUS-Titanium-1000W-Fully-Modular-ATX-Power-Supply/Product/19681238Read 15 October 2026General specs: Max operating temperature 40 C. The listing does not say the 40 C is the full-power rating, but it matches the HW Busters continuous full load row.
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
Switchable3Press articleguru3d.com/story/be-quiet-announces-dark-power-14-power-supply-seriesRead 15 October 2026A button switches between multi-rail operation, the default with four 12V rails, and single-rail operation. A rear OCK key does it.5Reviewhwbusters.com/psus/be-quiet-dark-power-14-1000w-atx-v3-1-psu-reviewRead 15 October 2026Rear panel has a zero-RPM button and an OCK button that merges all 12V rails into one single rail. Spec table 'Number of 12V rails: 1' refers to that merged mode.7Reviewaphnetworks.com/reports/be-quiet-dark-power-14-1000w/2Read 15 October 2026The four +12V rails can be combined into one with a switch on the back. Multi-rail is the default.
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
83A6Reviewclub386.com/be-quiet-dark-power-14-reviewRead 15 October 2026Four 12V rails rated 33/33/34/34 A, or 83 A combined, for 996 W. Single-rail mode is switchable. Cybenetics and HW Busters print 33/33/40/40 A for the single rails. Scan prints 83.3 A for the combined maximum. 996 W divided by 12 V is 83.0 A.7Reviewaphnetworks.com/reports/be-quiet-dark-power-14-1000w/2Read 15 October 2026Four +12V rails, two rated 33 A and two rated 40 A, up to 83 A combined, or 996 W. Total output 1000 W.
+12V max power
996W1Measurementcybenetics.com/evaluations/psus/2953Read 15 October 2026Power Specifications table: +12V rails 33 A, 33 A, 40 A and 40 A with 996 W combined on +12V. Total max power 1000 W.5Reviewhwbusters.com/psus/be-quiet-dark-power-14-1000w-atx-v3-1-psu-reviewRead 15 October 2026Technical specifications: Power 12V combined 996 W, 5V + 3.3V 120 W, 5VSB 15 W.6Reviewclub386.com/be-quiet-dark-power-14-reviewRead 15 October 2026Four 12V rails, 83 A combined for 996 W.8Retailer pageavadirect.com/DARK-POWER-14-80-PLUS-Titanium-1000W-Fully-Modular-ATX-Power-Supply/Product/19681238Read 15 October 2026Max combined 12V 996 W, max combined 12V-2x6 600 W. The listing says '4 rails (no single-rail mode)', which the maker's announcement, Club386, HW Busters and APH Networks contradict, so it is not used.
+3.3V and +5V combined power
120W1Measurementcybenetics.com/evaluations/psus/2953Read 15 October 2026Power Specifications table: +3.3V 25 A and +5V 24 A with one combined 120 W.8Retailer pageavadirect.com/DARK-POWER-14-80-PLUS-Titanium-1000W-Fully-Modular-ATX-Power-Supply/Product/19681238Read 15 October 2026Max combined 3.3V + 5V 120 W.
+5V standby current
AC input voltage
Lowest100Highest240V1Measurementcybenetics.com/evaluations/psus/2953Read 15 October 2026Manufacturer-provided information: rated voltage 100-240 Vrms, 6-13 A, 50-60 Hz.
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)
Yes1Measurementcybenetics.com/evaluations/psus/2953Read 15 October 2026ALPM (Alternative Low Power Mode) compatible, checked.5Reviewhwbusters.com/psus/be-quiet-dark-power-14-1000w-atx-v3-1-psu-reviewRead 15 October 2026Technical specifications: Alternative Low Power Mode support yes.8Retailer pageavadirect.com/DARK-POWER-14-80-PLUS-Titanium-1000W-Fully-Modular-ATX-Power-Supply/Product/19681238Read 15 October 2026Key features list modern standby support.
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
5 of 5 differ
80 PLUS rating
Cybenetics efficiency at 115V
Cybenetics efficiency at 230V
Cybenetics noise at 115V
Measured
10 of 10 differ
Average efficiency at 115V (measured)
Average efficiency at 230V (measured)
Light-load efficiency at 115V (measured)
Average power factor at 115V (measured)
Average noise at 115V (measured)
Noise at full load at 115V (measured)
Standby power with no load at 115V (measured)
Hold-up time (measured)
12V ripple at full load (measured)
12V load regulation (measured)
Cables and connectors
5 of 7 differ
Cables
Abe quiet! Dark Power 14 1000W
| Connector | Connectors | Cables | Length to first plug (mm) | Wire gauge | Rated power (W) |
|---|---|---|---|---|---|
| ATX 24-pin (20+4) | 1 | 1 | 600 | 16-18AWG | Not available |
| CPU 8-pin (EPS, 4+4) | 2 | 2 | 700 | 16AWG | Not available |
| PCIe 8-pin (6+2) | 4 | 2 | 750 | 18AWG | Not available |
| 12V-2x6 | 1 | 1 | 600 | 16AWG | 600 |
| SATA power | 11 | 3 | 600 | 18AWG | Not available |
| SATA power | 2 | 1 | 605 | 18AWG | Not available |
| 4-pin Molex | 2 | 1 | 605 | 18AWG | Not available |
Source1Measurementcybenetics.com/evaluations/psus/2953Read 15 October 2026Cables and Connectors table: ATX 20+4 pin 600 mm 16-18AWG, 8-pin ATX12V and 4+4-pin ATX12V 700 mm 16AWG, 12+4 pin PCIe 600 mm 16-24AWG, SATA 600+155+155+155 mm on 2 cables (8 plugs), SATA 600+155+155 mm on 1 cable (3 plugs), one SATA 605+155 mm and 4-pin Molex +155+150 mm cable, all 18AWG. The PCIe row reads 2x 6+2 pin PCIe (750 mm) with cable count 4 and connector count 4. HW Busters lists the same four plugs as 2 cables, so the PCIe row is stored as 4 plugs on 2 cables at 750 mm. The 16-24AWG range of the 12+4 pin cable includes the thin sideband wires, so the power wire gauge is stored as 16AWG, which APH Networks also states. The AC power cord (1380 mm) is not stored.5Reviewhwbusters.com/psus/be-quiet-dark-power-14-1000w-atx-v3-1-psu-reviewRead 15 October 2026Technical specifications: 2x EPS (2 cables), 1x 12+4 pin (600 W), 4x PCIe 6+2 pin (2 cables), 13x SATA (4 cables), 2x 4-pin Molex (1 cable). Cable table identical to the Cybenetics report. The 12+4 pin cable is rated 600 W.7Reviewaphnetworks.com/reports/be-quiet-dark-power-14-1000w/2Read 15 October 2026Cable list: 1x ATX 20+4-pin 60 cm, 1x 4+4-pin 70 cm, 1x EPS 8-pin 70 cm, 1x 12V-2x6 12+4-pin 60 cm, 2x PCIe 6+2-pin with 2 connectors each, 60 cm to both, 2x SATA with 4 connectors, 1x SATA with 3 connectors, 1x SATA/Molex with 4 connectors, all with 15 cm spacing. The 24-pin, 4+4-pin, EPS and 12V-2x6 cables use 16 AWG wire, the rest 18 AWG. The PCIe length of 60 cm differs from the 750 mm in the Cybenetics report, which is stored.8Retailer pageavadirect.com/DARK-POWER-14-80-PLUS-Titanium-1000W-Fully-Modular-ATX-Power-Supply/Product/19681238Read 15 October 2026Total cables 10. Counts: 1 ATX, 1 P4+4, 1 P8, 1 12V-2x6, 4 PCIe 6+2-pin, 13 SATA, 2 PATA. The 12V-2x6 cable is rated 600 W.
BLian Li SX Platinum 1000W
| 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
2
PCIe 8-pin connectors
4
5
16-pin GPU connectors
1
1
SATA power connectors
13
8
4-pin Molex connectors
2
4
Cable style
Sleeved5Reviewhwbusters.com/psus/be-quiet-dark-power-14-1000w-atx-v3-1-psu-reviewRead 15 October 2026Box and cables page: photo of the ten modular cables, all with fabric sleeves.7Reviewaphnetworks.com/reports/be-quiet-dark-power-14-1000w/2Read 15 October 2026All ten modular cables are sleeved. The page does not say whether the cables are also flat.
Fan
1 of 4 differ
Fan size
Fan bearing
Fluid dynamic (FDB)1Measurementcybenetics.com/evaluations/psus/2953Read 15 October 2026Fan BQ SIW4-13525-MF, fluid dynamic bearing.3Press articleguru3d.com/story/be-quiet-announces-dark-power-14-power-supply-seriesRead 15 October 2026Silent Wings fan integrated into the heat sink with a 6-pole motor and a fluid-dynamic bearing.6Reviewclub386.com/be-quiet-dark-power-14-reviewRead 15 October 2026Fluid dynamic bearing, 6-pole motor.
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
Yes3Press articleguru3d.com/story/be-quiet-announces-dark-power-14-power-supply-seriesRead 15 October 2026A rear button selects balanced active cooling, where the fan always spins, or semi-passive mode, where the fan stays off under low load.5Reviewhwbusters.com/psus/be-quiet-dark-power-14-1000w-atx-v3-1-psu-reviewRead 15 October 2026Rear panel switch activates the zero-RPM fan mode.6Reviewclub386.com/be-quiet-dark-power-14-reviewRead 15 October 2026A rear button switches between active cooling (fan always spinning) and semi-passive cooling. Rear controls are a power button, a 0 rpm button and an OCK button.10Retailer pageldlc.pro/fiche/PB00712442.htmlRead 15 October 2026Cooling mode selectable with a button.
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
1 of 3 differ
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)1Measurementcybenetics.com/evaluations/psus/2953Read 15 October 2026Protection Features (Manufacturer) lists OPP, OCP (+12V), OTP, SCP, surge protection and inrush current protection. The protection tests tick UVP at 90 V full load and no damage at 80 V, and NLO. Fan failure protection is marked absent and OVP has no row, so OVP comes from the maker's announcement.3Press articleguru3d.com/story/be-quiet-announces-dark-power-14-power-supply-seriesRead 15 October 2026Lists overcurrent, overvoltage, undervoltage, short circuit, overheating, overload and input-side surge protection.8Retailer pageavadirect.com/DARK-POWER-14-80-PLUS-Titanium-1000W-Fully-Modular-ATX-Power-Supply/Product/19681238Read 15 October 2026Protections: OTP, OCP, OPP, SCP, OVP, UVP and SIP (surge and inrush).
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.
Monitoring and lighting
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Software monitoring
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Software
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Built-in power display
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RGB lighting
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Dimensions and weight
2 of 2 differ
Dimensions
Width150Height86Depth175mm(5.9 × 3.4 × 6.9 in)6Reviewclub386.com/be-quiet-dark-power-14-reviewRead 15 October 2026Specification table: 150 x 86 x 175 mm (W x H x D).7Reviewaphnetworks.com/reports/be-quiet-dark-power-14-1000w/2Read 15 October 2026Depth is 17.5 cm. Width and height are not given on the page.8Retailer pageavadirect.com/DARK-POWER-14-80-PLUS-Titanium-1000W-Fully-Modular-ATX-Power-Supply/Product/19681238Read 15 October 2026175 x 150 x 86 mm (L x W x H) without cables, weight 2.2 kg.10Retailer pageldlc.pro/fiche/PB00712442.htmlRead 15 October 202686 x 150 x 175 mm (H x W x L), weight 2.2 kg.
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.
Weight
In the box
1 of 1 differ
In the box
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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
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Product page
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Spec sheet
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Manual
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EPREL registration number
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Warranty
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Manufacturer warranty (source market)
10years3Press articleguru3d.com/story/be-quiet-announces-dark-power-14-power-supply-seriesRead 15 October 2026Comprehensive 10-year manufacturer's warranty.8Retailer pageavadirect.com/DARK-POWER-14-80-PLUS-Titanium-1000W-Fully-Modular-ATX-Power-Supply/Product/19681238Read 15 October 2026Warranty 10 years.
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.
Both are also in the API. Back to all power supplies.