Power supplies / Compare

Lian Li EDGE Gold 850W vs Montech Century II 1200W

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Product A: Lian Li

EDGE Gold 850W

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B

Product B: Montech

Century II 1200W

53 of 66 known

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Only differences

ALian Li EDGE Gold 850W

BMontech Century II 1200W

General

5 of 12 differ

Series

EDGE Gold1Maker product pagelian-li.com/product/edge-goldRead 15 October 2026Page title EDGE GOLD, product name EDGE GOLD 850. The page covers the EG0750G, EG0850G, EG1000G and EG1200G.

Century II1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Page title: CENTURY II 1200W in the CENTURY line of 80 PLUS Gold units.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

EG0850G, EG0850G.B, EG0850G.W1Maker product pagelian-li.com/product/edge-goldRead 15 October 2026Specifications table: model EG0850G for EDGE GOLD 850. The US Amazon listings give EG0850G.B (black) and EG0850G.W (white).7Retailer pageamazon.com/dp/B0DKXCRVGPRead 15 October 2026Title: LIAN LI Edge Gold 850W ATX 3.1 PSU, 80 Plus Gold, Black (EG0850G.B). Item details list Model Number and Mfr Part Number EDGE GOLD 850 BLACK.

Century II 1200W1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Specifications tab: Model Name Century II 1200W. The maker prints no part number.

GTIN / EAN

840353047020, 8403530471297Retailer pageamazon.com/dp/B0DKXCRVGPRead 15 October 2026Item details: UPC 840353047020. BuildCores lists the same UPC. An Australian retailer lists 840353046955 for EG0850G.B and 840353047051 for EG0850G.W, which differ from the US listings. They look like other regional SKUs and are not stored.8Retailer pageamazon.com/dp/B0DKWWP452Read 15 October 2026Item details: UPC 840353047129 for the white EG0850G.W.

47105627463651Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Specifications tab: EAN 4710562746365.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

3 January 20255Press articlelanoc.org/news/hardware-news/lian-li-introduces-the-edge-gold-psu-with-removable-usb-pwm-hubRead 15 October 2026Press release dated January 3, 2025.

15 April 20252Press articlefunkykit.com/news/montech-introduces-century-ii-power-supplyRead 14 October 2026Article dated 2025-04-15. It says the line is available on April 15, 2025 at 9 AM Eastern Time.

Status

Available7Retailer pageamazon.com/dp/B0DKXCRVGPRead 15 October 2026Amazon US listing for the black EG0850G.B is live in October 2026. Hardware Busters says the first-generation EG0850G sold on Amazon for $98.25 on October 14, 2026. The EDGE Gold V2 (EG0850Gv2) is a different product.

Available6Retailer pagemaxmybuild.com/power-supplies/montech-century-ii-1200wRead 14 October 2026Listing shows $159.90 at Amazon and Newegg, both in stock, updated 14 Oct 2026. This is a current selling price, not the launch price.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$109.995Press articlelanoc.org/news/hardware-news/lian-li-introduces-the-edge-gold-psu-with-removable-usb-pwm-hubRead 15 October 2026MSRP table, 850W: black $109.99 and white $119.99, with no currency code. The article names Newegg for the US availability, so the prices are stored as USD, without the EDGE Hub, which is $16.99 separately.6Press articletheoverclocker.comRead 15 October 2026Launch MSRP table: 850W $109.99 black and $119.99 white.

$129.92Press articlefunkykit.com/news/montech-introduces-century-ii-power-supplyRead 14 October 2026CENTURY II 1200 W: US$ 129.9. US price, no sales tax. KitGuru's launch article prints $129.99 and Hardware Busters prints an MSRP of $130 excluding VAT.5Reviewhwbusters.com/psus/montech-century-ii-1200w-atx-v3-1-psu-reviewRead 14 October 2026Technical specifications: MSRP (excluding VAT) $130. The stored value is the maker's launch price from the Funkykit report.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

Not available

Not available

ColoursiThe maker's own colour names

Black, White1Maker product pagelian-li.com/product/edge-goldRead 15 October 2026Specifications table and wattage picker: 850W Black/White, USB hub not included.8Retailer pageamazon.com/dp/B0DKWWP452Read 15 October 2026Title: LIAN LI Edge Gold 850W ATX 3.1 PSU, 80 Plus Gold, White (EG0850G.W).

Metallic Silver1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Overview text: a sleek metallic silver finish. The maker names no other colour.

Form factoriThe physical size standard that decides what fits in the case. An ATX unit is 150 × 86 mm at the back. An SFX unit is 125 × 63.5 mm.

ATX1Maker product pagelian-li.com/product/edge-goldRead 15 October 2026The back face is 150 x 86 mm, the ATX size. The maker calls the form factor ATX 3.1 and Cybenetics lists type ATX12V.4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026DUT Information: Type ATX12V.

ATX1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Specifications tab: Form Factor ATX (140).3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026DUT Information: Type ATX12V. The maker lists form factor ATX (140).

ATX versioniThe ATX12V design guide revision the maker claims compliance with. A 16-pin GPU cable alone does not establish ATX 3.x. A Cybenetics report that withholds its ATX badge does not change the maker's claim. It goes in the source note.

ATX 3.11Maker product pagelian-li.com/product/edge-goldRead 15 October 2026Specifications table: Form factor ATX 3.1. Page badges: ATX 3.1, PCIE5.1. The Cybenetics report says the ATX v3.1 badge was not given because some protection features need adjustment.

ATX 3.11Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Overview: built to ATX 3.1 and PCIe 5.1 platforms. The 80 PLUS certificate type line reads ATX 3.0, ATX 3.1.

PCIe CEM versioniThe PCI Express card power revision the maker claims, as printed next to the ATX version. It sets the GPU power connector rules. It is not a slot speed. A reviewer's statement is not enough.

PCIe 5.11Maker product pagelian-li.com/product/edge-goldRead 15 October 2026Page badge: PCIE5.1. The text says PCIe 5.1 ready.

PCIe 5.11Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Overview: built to ATX 3.1 and PCIe 5.1 platforms, with a standard 12V-2x6 cable.

Modular cablesiFull means every cable detaches. Semi means some cables are fixed, usually the 24-pin and CPU cables.

Fully modular1Maker product pagelian-li.com/product/edge-goldRead 15 October 2026Specifications table: Power supply design Fully modular.4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026DUT Information: Cable Design Fully Modular.

Fully modular1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Overview: a fully modular design with included flat cables.3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026DUT Information: Cable Design Fully Modular.

Built by (OEM)iThe company that designed and built the unit for the brand, such as CWT or FSP. As named by the maker, a teardown review or a Cybenetics report.

Helly Technology4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026DUT Information: OEM/ODM Helly. Parts Description: Manufacturer (OEM) Helly Technology.

Shenzhen Xinweiye Technology (XWY)3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026DUT Information: OEM/ODM Shenzhen Xinweiye Technology Co., Ltd. Hardware Busters names the same company.5Reviewhwbusters.com/psus/montech-century-ii-1200w-atx-v3-1-psu-reviewRead 14 October 2026Technical specifications: Manufacturer (OEM) Shenzhen Xinweiye Technology.

Power

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Rated continuous poweriThe continuous DC output the maker rates the unit for, such as 850. Peak or power excursion figures are not stored here.

850W1Maker product pagelian-li.com/product/edge-goldRead 15 October 2026Specifications table: Max. DC output 850W.4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Manufacturer-provided information: Rated Power 850 W.

1,200W1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Specifications tab: Wattage 1200, Total Power 1200W.3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Manufacturer-provided information: Rated Power 1200 W.

Full power rated up toiThe ambient temperature up to which the maker rates full continuous power, such as 50 °C. A review table that prints 0-50 °C with no maker source is not enough. An operating temperature range that does not say full power is not enough. A maker table with load steps gives the full-load row, such as 40 °C at full load next to 50 °C at 80 percent load. A temperature that a Cybenetics report marks as manufacturer-provided counts as a maker statement.

40°C6Press articletheoverclocker.comRead 15 October 2026Specification table, 850W column: Working Temperature 40 Celsius. The table does not say full load. Hardware Busters prints Operating Temperature (Continuous Full Load) 0-40 C for the EG1000G and for the newer EG0850Gv2, which come from the same maker spec sheet, so 40 C is stored.

Not available

12V rail designiHow the maker splits +12V over-current protection. Switchable means the user picks single or multi rail with a switch or in software.

Single rail4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Power Specifications: one +12V column with 70.8 A and 849.6 W, and one +12V OCP row.

Single rail3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Power Specifications: one +12V column with 100A and 1200W.5Reviewhwbusters.com/psus/montech-century-ii-1200w-atx-v3-1-psu-reviewRead 14 October 2026Technical specifications: Number of 12V rails 1.

+12V max currentiHighest combined current on +12V from the maker's power table. For a multi-rail unit this is the combined total, not one rail.

70.8A2Owner's manualdrive.google.com/file/d/1opHpL_4HrcZ0yMicOTelF5psguN19QCk/viewRead 15 October 2026AC input rating / DC output rating table, 850W column: +12V 70.8A.4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Power Specifications table: +12V 70.8 A, 849.6 W.

100A1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026DC Output table: +12V 100A, 1200W.3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Power Specifications: +12V 100A, 1200W.

+12V max poweriHighest combined power on +12V from the maker's power table.

849.6W1Maker product pagelian-li.com/product/edge-goldRead 15 October 2026Specifications table: Combined +12V 849W for the 850W model. The manual and the launch table print 849.6W, which is stored.2Owner's manualdrive.google.com/file/d/1opHpL_4HrcZ0yMicOTelF5psguN19QCk/viewRead 15 October 2026850W column: DC combined wattage for +12V 849.6W.4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Power Specifications table: +12V 849.6 W.6Press articletheoverclocker.comRead 15 October 2026Specification table: Combined +12V 849.6W for the 850W model.

1,200W1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026DC Output table: +12V 100A, 1200W.3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Power Specifications: +12V 1200W.

+3.3V and +5V combined poweriThe combined limit for the +3.3V and +5V rails from the maker's power table. A table that prints the same figure under both rails, as be quiet! does, shows one shared limit, so the figure is stored once and not added.

120W1Maker product pagelian-li.com/product/edge-goldRead 15 October 2026Specifications table: Combined +3.3V and +5V 120W.2Owner's manualdrive.google.com/file/d/1opHpL_4HrcZ0yMicOTelF5psguN19QCk/viewRead 15 October 2026850W column: +3.3V 20A and +5V 20A with one combined 120W cell.4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Power Specifications table: one merged 120 W cell for 3.3V and 5V, 20 A each.

100W1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026DC Output table prints +3.3V 20A and +5V 20A with one 100W cell. The Cybenetics power table has one merged 100W cell for 3.3V and 5V, so 100W is the combined limit.3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Power Specifications: one merged 100W cell for 3.3V and 5V, 20A each.

+5V standby currentiHighest current on the +5VSB standby rail. It powers USB charging and wake functions while the PC is off.

3A2Owner's manualdrive.google.com/file/d/1opHpL_4HrcZ0yMicOTelF5psguN19QCk/viewRead 15 October 2026850W column: +5Vsb 3A, 15W.4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Power Specifications table: 5VSB 3 A, 15 W.

3A1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026DC Output table: +5VSB 3A, 15W.3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Power Specifications: 5VSB 3A, 15W.

AC input voltageiThe rated AC input range, such as 100 to 240 V.

Lowest100Highest240V1Maker product pagelian-li.com/product/edge-goldRead 15 October 2026Specifications table: Input voltage 100-240Vac, 10-5A, 50-60Hz.2Owner's manualdrive.google.com/file/d/1opHpL_4HrcZ0yMicOTelF5psguN19QCk/viewRead 15 October 2026850W column: 100-240Vac 10-5A 50-60Hz.4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Manufacturer-provided information: 100-240 Vrms, 5-10 A, 50-60 Hz.

Lowest100Highest240V1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026AC Input 100-240Vac 50-60Hz 15A-10A.3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Manufacturer-provided information: 100-240 Vrms, 15 A, 50-60 Hz.

Alternative low power mode (ALPM)iThe maker or a Cybenetics report states support for the ATX alternative low power mode used by Modern Standby.

Yes4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Temperature and Compliance Info: ALPM compatible, checked.

Yes3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Temperature and Compliance Info: ALPM compatible, checked.

Certifications

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80 PLUS ratingiThe 80 PLUS level. When the 80 PLUS listing or certificate and the maker claim differ, store the listing level and put the claim and test voltage in the source note. When a model has several 80 PLUS entries, such as a newer test at a higher level, use the newest entry that matches the current maker documents.

80 PLUS Gold3Certification listclearesult.com/80plus/certified-psus/Lian-Li-Industrial-Co-Ltd/EG0850G-115V-Internal-7667Read 15 October 202680 PLUS ID 7667, model EG0850G, type ATX12V, 850 W, 115V Internal, Gold, test date 2024-11-25. The certificate lists no sample serial, so the match is by model code and wattage. The maker also states 80 PLUS Gold.

80 PLUS Gold4Certification listclearesult.com/80plus/sites/80plus/files/manufacturer-certificate/MONTECH_CENTURY%20II%201200W_1200W_SOCE%207852_Report.pdfRead 14 October 202680 PLUS ID 7852, model CENTURY II 1200W, type ATX 3.0, ATX 3.1, 1200 W, 115V Internal, Gold, test date 2025-06-04. The certificate lists no sample serial. The maker's own page says Platinum, which is the Cybenetics level.

Cybenetics efficiency at 115ViThe Cybenetics ETA level from the 115V test. The Cybenetics report wins over the maker's claim.

Cybenetics Gold4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Report 24PS2747 of the EG0850G (#2), lab ID LL85002747, sample serial G9PEG0850GBY244600039, received Feb 6, 2025, tested Feb 17, 2025, issued Feb 21, 2025. The Cybenetics database shows ETA Gold at 115V. An earlier report for the same model, 2692 (tested Dec 24, 2024), also shows Gold at 115V and Gold at 230V. The newer report is stored because it shows production changes. Lian Li states Cybenetics Gold for the EG0750G and EG0850G, with no input voltage.

Cybenetics Platinum3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Report 25PS2808A, certification ID 252808, issued May 13, 2025. The database name is Montech Century II Gold 1200 ATX3. The badge is ETA Platinum at 115V, as Hardware Busters also prints. The 80 PLUS certificate says Gold.

Cybenetics efficiency at 230ViThe Cybenetics ETA level from the 230V test. The 230V thresholds are higher, so the level can differ from the 115V level. The Cybenetics report wins over the maker's claim.

Cybenetics Platinum4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026The Cybenetics database shows ETA Platinum at 230V for report 2747. The earlier report 2692 shows Gold at 230V.

Cybenetics Platinum3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026ETA Platinum at 230V (badge image, and Hardware Busters prints Platinum).

Cybenetics noise at 115ViThe Cybenetics LAMBDA level from the 115V test. A++ is the quietest. The Cybenetics report wins over the maker's claim.

A+4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026LAMBDA A+ at 115V in the Cybenetics database.

Standard++3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026LAMBDA Standard++ at 115V (badge image). The 115V average of 30.37 dBA is above the A- band of 25-30 dBA. Hardware Busters prints A- (25-30 dB(A)), which matches the 230V result.

Cybenetics noise at 230ViThe Cybenetics LAMBDA level from the 230V test. The Cybenetics report wins over the maker's claim.

A+4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026LAMBDA A+ at 230V in the Cybenetics database.

A-3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026LAMBDA A- at 230V (badge image), average 29.44 dBA.

Measured

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Average efficiency at 115V (measured)iAverage efficiency over the whole load range at 115V input, from more than 1450 load combinations in the Cybenetics method. It is not the peak efficiency or the efficiency at 50% load.

88.788%4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Average over more than 1450 load combinations at 115V, ambient 28-32 C. The earlier report 2692 gives 88.489%.

89.94%3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Average over more than 1450 load combinations at 115V. Sample received Apr 29, 2025, tested May 8, 2025, ambient 28-32 C. The report lists no sample serial.

Average efficiency at 230V (measured)iThe same average efficiency at 230V input.

91.266%4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Average over more than 1450 load combinations at 230V. The earlier report 2692 gives 90.959%.

92.169%3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Average over more than 1450 load combinations at 230V.

Light-load efficiency at 115V (measured)iEfficiency at a 10 W load for units up to 500 W, or at a 2% load for larger units, at 115V input. This is the ATX light-load test.

68.183%4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Efficiency at 2% load (more than 500 W unit) at 115V. The earlier report 2692 gives 66.374%.

65.28%3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Efficiency at 2% load (more than 500 W unit) at 115V. At 230V it is 74.640%.

Average power factor at 115V (measured)iAverage power factor over the whole load range at 115V input. 1 is the best possible value.

0.9914Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Average over more than 1450 load combinations at 115V. At 230V it is 0.967.

0.9843Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Average over more than 1450 load combinations at 115V. At 230V it is 0.957.

Average noise at 115V (measured)iAverage noise over the whole load range at 115V input in the Cybenetics method, at about 30 °C ambient. It is not the noise at full load.

18.73dB(A)4Measurementcybenetics.com/evaluations/psus/2747Read 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 18.61 dBA.

30.37dB(A)3Measurementcybenetics.com/evaluations/psus/2808Read 14 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 29.44 dBA. The fan ran at 1030 rpm at 10% load in the typical load tests, so the semi-passive mode was not active during them. The report marks semi-passive operation as selectable.

Noise at full load at 115V (measured)iNoise at 100% load at 115V input in the Cybenetics typical load tests. That row often runs at about 45 °C intake. The intake temperature and the fan speed go in the source note. Lower is better.

36.7dB(A)4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Typical load tests at 115V, 100% load row: 36.7 dB(A) at 1774 rpm fan speed, ambient about 30 C.

45.1dB(A)3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Typical load tests at 115V, 100% load row: 45.1 dB(A) at 1912 rpm fan speed, ambient about 30 C. At 230V it is 41.5 dB(A) at 1864 rpm.

Standby power with no load at 115V (measured)iPower the unit draws from the wall with the PC off and nothing drawn from +5VSB, at 115V input.

0.0438W4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Standby power consumption at 115V with no load on +5VSB: 0.0438 W. At 230V it is 0.0852 W.

0.0521W3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Standby power consumption at 115V with no load on +5VSB: 0.0521 W. At 230V it is 0.0959 W.

Hold-up time (measured)iHow long the outputs stay in regulation after AC power is lost, at maximum continuous load, as printed in the Cybenetics report. The report names no input voltage. The AC loss to PWR_OK time goes in the source note. Higher is better.

17.5ms4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Hold-Up Time and PWR_OK Signal: hold-up time 17.50 ms, AC loss to PWR_OK 14.30 ms, PWR_OK inactive to DC loss 3.20 ms, at maximum continuous load. The report names no input voltage. The earlier report 2692 gives 15.80 ms.

24ms3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Hold-Up Time and PWR_OK Signal: hold-up time 24.0 ms, AC loss to PWR_OK 19.7 ms, PWR_OK inactive to DC loss 4.3 ms, at maximum continuous load. The report names no input voltage.

12V ripple at full load (measured)iPeak-to-peak ripple on the +12V rail at full load and 115V input. Lower is better.

30.17mV4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Non-accredited. 12V ripple at full load at 115V. At 230V it is 29.78 mV.

19.68mV3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Non-accredited. 12V ripple at full load at 115V. At 230V it is 19.46 mV.

12V load regulation (measured)iHow far the +12V voltage moves between light and full load at 115V input. Lower is better.

0.09%4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Non-accredited. 12V load regulation at 115V. At 230V it is 0.14%.

0.46%3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Non-accredited. 12V load regulation at 115V. At 230V it is 0.47%.

Cables and connectors

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CablesiOne row per kind of cable that runs from the PSU to a device. Connector is the plug at the device end. Count is the number of those plugs over all cables in the row. Length runs from the PSU end to the first plug. Adapters that plug into other cables are left out. Use 16-pin PCIe when the maker names a 16-pin GPU cable without saying 12V-2x6 or 12VHPWR. A cable from a 12V-2x6 socket on the PSU to 8-pin plugs is a cable, not an adapter, and counts as PCIe 8-pin. When the maker's documents name one GPU cable both 12VHPWR and 12V-2x6, use 16-pin PCIe and name both in the source note. Cables of one connector kind with different lengths or wire gauges get one row each.

ALian Li EDGE Gold 850W

Connector	Connectors	Cables	Length to first plug (mm)	Wire gauge	Rated power (W)
ATX 24-pin (20+4)	1	1	620	16-22AWG	Not available
CPU 8-pin (EPS, 4+4)	2	2	750	16AWG	Not available
PCIe 8-pin (6+2)	5	4	650	16AWG	Not available
12V-2x6	1	1	650	Not available	450
SATA power	4	1	300	16AWG	Not available
SATA power	4	1	375	16AWG	Not available
SATA power	4	1	400	16AWG	Not available
4-pin Molex	4	1	500	16AWG	Not available

Source1Maker product pagelian-li.com/product/edge-goldRead 15 October 2026Specifications table, 850W column: 24/20-pin 620 mm, 8-pin CPU 750 mm, 4+4 pin CPU 750 mm, one 6+2 pin cable 650 mm+100 mm, SATA 300 mm with 4 plugs, SATA-Y 375 mm, SATA 400 mm with 4 plugs, 4-pin peripheral 500 mm with 4 plugs, 12V-2X6 450W 650 mm and 2 single 6+2 pin cables of 650 mm. The table leaves out the third single 6+2 pin PCIe cable that the manual, the launch article and the Cybenetics report list, so 3 single cables and the 650+100 mm cable are stored. Length is to the first plug. Gauges come from the Cybenetics report.2Owner's manualdrive.google.com/file/d/1opHpL_4HrcZ0yMicOTelF5psguN19QCk/viewRead 15 October 2026Contents table, 850W row: 24/20-pin x1 (620 mm), 8-pin CPU x1 (750 mm), 4+4 pin CPU x1 (750 mm), 8/6+2 pin PCIe x3 (650 mm), 8/6+2 pin x2 on one cable x1 (650+100 mm), 12V-2x6 x1 (450W, 650 mm), 4 SATA x1 (300-15-15-15 mm), 4 Y-type SATA x1 ((400-150 mm)*2), 4 SATA x1 (400-150-150-150 mm), 4-pin peripheral x1 (500-150-150-150 mm). The manual prints 400 mm for the Y-type cable, while the maker page prints 375 mm and Cybenetics measured 380 mm, so 375 mm is stored.4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Cables and Connectors table: ATX 20+4 pin 625 mm 16-22AWG, 4+4 pin and 8 pin EPS 745 mm 16AWG, 3 single 6+2 pin PCIe 645 mm and one 6+2 pin PCIe cable with two plugs (645 mm then 100 mm) 16AWG, 12+4 pin PCIe 650 mm (600W) 16-26AWG, SATA 380 mm with 4 plugs in a Y shape, SATA 310 mm with 4 plugs, SATA 400 mm with 4 plugs and one Molex cable of 495 mm with 4 plugs, all 16AWG. The 16-26AWG range of the 12V-2x6 cable includes the sideband wires, so no gauge is stored for it. The report prints 600W for that cable, but the maker rates it 450W for the 850W model, which is stored. The maker's lengths are stored.6Press articletheoverclocker.comRead 15 October 2026Included cables table, 850W: MB 20+4 pin 620 mm x1, CPU 8 pin 750 mm x1, CPU 4+4 pin 750 mm x1, GPU 6+2 pin 650 mm x3, GPU 6+2 pin 650+100 mm x1, GPU 12V-2X6 (450W) 650 mm x1, SATA extender 345 mm (300+15+15+15), SATA-Y 525 mm (375+150), SATA 850 mm (400+150+150+150), PATA 950 mm (500+150+150+150). Total 12 cables.

BMontech Century II 1200W

Connector	Connectors	Cables	Length to first plug (mm)	Wire gauge	Rated power (W)
ATX 24-pin (20+4)	1	1	600	18AWG	Not available
CPU 8-pin (EPS, 4+4)	2	2	700	18AWG	Not available
PCIe 8-pin (6+2)	6	3	600	18AWG	Not available
12V-2x6	1	1	600	Not available	600
SATA power	12	3	500	18AWG	Not available
4-pin Molex	4	1	500	18AWG	Not available

Source1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Cables table: 1 motherboard cable with a 20+4 pin plug (600 mm), 2 CPU cables with one 4+4 pin plug each (700 mm), 3 PCIe cables with two 6+2 pin plugs each (600 mm), 1 12V-2x6 cable (600 mm), 3 SATA cables with 4 plugs each (950 mm to the last plug) and 1 Molex cable with 4 plugs (950 mm to the last plug). The first-plug lengths of the SATA and Molex cables (500 mm) and the gauge come from the Cybenetics report. The report measures the ATX cable at 595 mm, the maker table says 600 mm.3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Cables and Connectors table: ATX 20+4 pin 595 mm 18AWG, 2 x 4+4 pin EPS12V 700 mm 18AWG, 3 PCIe cables with 6+2 pin plugs (600 mm then 150 mm), 6 plugs in total, 18AWG, 12+4 pin PCIe 600 mm (600W) 16-26AWG, 3 SATA cables (500 mm plus 3 x 150 mm spacing) with 12 plugs in total 18AWG, 1 Molex cable (500 mm plus 3 x 150 mm) with 4 plugs 18AWG. The 16-26AWG range of the 12V-2x6 cable includes the thin sideband wires, so no gauge is stored for it.

CPU (EPS) connectorsi8-pin or 4+4-pin CPU power plugs.

2=CalculatedFrom Cables

2=CalculatedFrom Cables

PCIe 8-pin connectorsi8-pin or 6+2-pin GPU power plugs. Counts the plugs in the box. Some cables share one PSU socket, which the source note says.

5=CalculatedFrom Cables

6=CalculatedFrom Cables

16-pin GPU connectorsiNative 16-pin GPU power plugs: 12V-2x6, 12VHPWR and 16-pin cables of unstated revision. Adapters are not counted. Counts the plugs in the box. Some cables share one PSU socket, which the source note says.

1=CalculatedFrom Cables

1=CalculatedFrom Cables

SATA power connectors

12=CalculatedFrom Cables

12=CalculatedFrom Cables

4-pin Molex connectors

4=CalculatedFrom Cables

4=CalculatedFrom Cables

Cable styleiHow the modular cables are made. Mixed means some cables are sleeved and others flat, such as a sleeved 24-pin cable with flat other cables. From the maker page or a review photo page.

Sleeved1Maker product pagelian-li.com/product/edge-goldRead 15 October 2026Page heading: Braided-texture sleeved cables. Text: the PSU comes equipped with all cables featuring a braided texture.

Flat1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Overview: flat cables and a fully modular design.5Reviewhwbusters.com/psus/montech-century-ii-1200w-atx-v3-1-psu-reviewRead 14 October 2026Cables page: all cables are flat and consist of black gauges. Review published May 30, 2025.

Fan

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Fan sizeiFrame size of the cooling fan, such as 120, 135 or 140.

120mm1Maker product pagelian-li.com/product/edge-goldRead 15 October 2026Specifications table: Fan type 120mm FDB Fan.4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Parts description: Hong Hua HA1225M12F-Z, 120 mm.

135mm1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Specifications tab: Fan Size 135mm.3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026DUT Information: 135mm Fluid Dynamic Bearing Fan.

Fan bearingiUse the maker's bearing name. FDB and S-FDB are fluid dynamic. HDB is hydrodynamic. Noctua SSO and SSO2 are SSO. Corsair Magnetic Dome is magnetic dome. A brand bearing name that fits no option is Other.

Fluid dynamic (FDB)1Maker product pagelian-li.com/product/edge-goldRead 15 October 2026Specifications table: Fan type 120mm FDB Fan.4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Parts description: Hong Hua HA1225M12F-Z, 120 mm, 12V, 0.45A, Fluid Dynamic Bearing Fan.

Fluid dynamic (FDB)1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Specifications tab: Bearing FDB.3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026DUT Information: 135mm Fluid Dynamic Bearing Fan (HA13525H12F-Z).

Fan modeiSemi-passive means the fan stops at low load, often sold as zero RPM, hybrid or 0 dB mode. Fanless means the unit has no fan.

Semi-passive1Maker product pagelian-li.com/product/edge-goldRead 15 October 2026Page note: the fan features a fanless mode, remaining at zero RPM during low loads.4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026DUT Information: Semi-Passive Operation checked.

Semi-passive1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Overview: 135mm fan with Smart Zero Fan mode.3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026DUT Information: Semi-Passive Operation checked (selectable).

Fan mode switchiA button, switch or software setting lets the user turn the semi-passive mode off so the fan always spins. A unit without a semi-passive mode, whose fan the maker says always spins, has no switch, so it is false.

Not available

Yes3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026DUT Information: Semi-Passive Operation marked selectable.5Reviewhwbusters.com/psus/montech-century-ii-1200w-atx-v3-1-psu-reviewRead 14 October 2026Product photos page: on the front side, besides the power switch, a smaller switch turns the fan's semi-passive operation on and off.

Protection and parts

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ProtectionsiProtections the maker lists, or a retailer spec table copies from the maker, plus protections the Cybenetics protection tests show working (UVP, NLO, SIP). The Cybenetics manufacturer list has no OVP or UVP row, so do not build the list from it alone. A protection that is not listed may still exist. No-load covers no-load operation and no-load protection. Fan failure is a maker's fan failure protection or fan safeguard, also when the Cybenetics manufacturer block lists it.

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/edge-goldRead 15 October 2026Page text lists OCP, OVP, SCP, OPP, UVP, OTP, SIP, NLO and an inrush current limiter. The table row lists OCP/OVP/OTP/OPP/SCP/UVP.4Measurementcybenetics.com/evaluations/psus/2747Read 15 October 2026Protection Features (Manufacturer): OPP, OTP, SCP, surge and inrush protection ticked, +12V OCP shown with a question mark and fan failure protection not present. The report has no UVP row, so OCP, OVP, UVP, NLO and SIP come from the maker page.

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 pagemontechpc.com/century-ii-1200wRead 14 October 2026Specifications tab: OPP / OVP / UVP / SCP / OCP / OTP. NLO and SIP come from the Cybenetics protection tests.3Measurementcybenetics.com/evaluations/psus/2808Read 14 October 2026Protection Features (Manufacturer) lists OPP, +12V OCP, OTP, SCP, surge and inrush current protection. Protection tests tick UVP at 90 V and 80 V and NLO, and SIP shows an MOV for surge and an NTC with bypass relay for inrush. The maker lists OVP, which the report does not test.

All-Japanese capacitorsiThe maker states that every electrolytic capacitor is from a Japanese maker. A Japanese bulk capacitor alone is not enough. A spec row such as "Japanese capacitors" that names no exception counts.

Not available

Yes1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Overview: 100% Japanese capacitors in the power architecture. The Cybenetics parts list also names 6 CapXon and 33 Chemi-Con polymer capacitors. CapXon is not a Japanese maker, so the claim may cover the electrolytic capacitors only.

MTBF (claimed)iThe maker's mean time between failures, such as 100000. An MTTF figure for the whole unit counts too. An MTTF for the fan alone does not. The test temperature goes in the source note.

Not available

Not available

Monitoring and lighting

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Software monitoringiThe unit reports power, temperature or fan data to PC software over a USB or internal connection.

Not available

Not available

SoftwareiThe maker's software for monitoring or control.

Not available

Not available

Built-in power displayiA screen on the unit that shows live power draw or other readings.

Not available

Not available

RGB lighting

Not available

No6Retailer pagemaxmybuild.com/power-supplies/montech-century-ii-1200wRead 14 October 2026Listing specs: RGB No. The maker page and Hardware Busters describe no lighting.

Dimensions and weight

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DimensionsiBody without cables. Width and height are the back face with the AC inlet. Depth is the length into the case, which decides case fit.

Width150Height86Depth182mm(5.9 × 3.4 × 7.2 in)1Maker product pagelian-li.com/product/edge-goldRead 15 October 2026Specifications table: (D) 182 mm x (W) 86 mm x (H) 150 mm. The maker names the 150 mm side height and the 86 mm side width. The stored width and height follow the ATX back face of 150 x 86 mm and the depth is 182 mm. The Amazon listings give 7.17 x 3.39 x 5.91 inches, which is the same size.7Retailer pageamazon.com/dp/B0DKXCRVGPRead 15 October 2026Item dimensions 7.17 x 3.39 x 5.91 inches, which is 182 x 86 x 150 mm. The listing carries a packed weight of 7.7 pounds, which is not stored.

Width150Height86Depth140mm(5.9 × 3.4 × 5.5 in)1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Specifications tab: Dimensions (L*W*H) 140*150*86mm, so depth 140, width 150, height 86. The page also prints Operating Temperature 0-40 C, which is not stored. Hardware Busters prints 0-50 C for continuous full load.

WeightiWeight of the unit alone. Use the Hardware Busters figure on hwbusters.com when the maker states none, not a copy on another site. Maker weights that include cables or the box, such as Corsair's, and retailer packed weights are not stored. A net weight counts unless the maker says it includes the cables.

Not available

1.53kg(3.4 lb)5Reviewhwbusters.com/psus/montech-century-ii-1200w-atx-v3-1-psu-reviewRead 14 October 2026Technical specifications: 1.53 kg (3.37 lb). The review does not say whether cables are included. Montech does not publish a weight.

In the box

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In the boxiItems supplied with this exact model, verbatim. The AC power cord differs per region.

AC power cord2Owner's manualdrive.google.com/file/d/1opHpL_4HrcZ0yMicOTelF5psguN19QCk/viewRead 15 October 2026Contents table, 850W row: power supply and AC power cord. The USB cables, fan cable, expansion slot bracket and EDGE Hub are x0 for the 850W. AC power cords vary by region.

Not available

Links

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Product page

lian-li.com/product/edge-gold1Maker product pagelian-li.com/product/edge-goldRead 15 October 2026

www.montechpc.com/century-ii-1200w1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026

Spec sheet

Not available

Not available

Manual

drive.google.com/file/d/1opHpL_4HrcZ0yMicOTelF5psguN19QCk/view2Owner's manualdrive.google.com/file/d/1opHpL_4HrcZ0yMicOTelF5psguN19QCk/viewRead 15 October 2026EG0750G / EG0850G / EG1000G / EG1200G manual PDF (2 pages, a Google Drive file linked from the maker page).

Not available

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

10years1Maker product pagelian-li.com/product/edge-goldRead 15 October 202610 Years for the power supply and 2 years for the Edge Hub. The page is the global maker page and names no market. The 850W model has no hub.

10years1Maker product pagemontechpc.com/century-ii-1200wRead 14 October 2026Specifications tab: Warranty 10 Years. The page is the global maker page and names no market.

Both are also in the API. Back to all power supplies.