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Montech Century II 750W

MontechPower supply

Century II 750W

Released June 2026.1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026The page lists the unit with its 80 PLUS Gold badge. The page record in the maker's site data was created on 2026-06-09. The month follows the first retail listing in June 2026, which was found in a shop that blocks agents and is not cited. The 80 PLUS certificate dates from June 2025, so the model design is older than its retail launch. Last checked 15 October 2026.

Power
750W
Efficiency
80 PLUS Gold
Modular cables
Fully modular
ATX version
ATX 3.1

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All specs

SourceCalculated

General

Series
Century II1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026The product sits under the CENTURY II group of the 80 PLUS Gold range. The page lists the 550W, 650W, 750W, 850W, 1050W and 1200W variations.
Model numbers
Century II 750W1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026Specifications tab: Model Name Century II 750W. The maker prints no part number. Retailers use the name only, and one Hong Kong shop prints PS-MCT275, which is stored as an alias.
GTIN / EAN
47105627479661Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026Specifications tab: EAN 4710562747966. Scan UK lists the same GTIN.3Retailer pagescan.co.uk/products/750w-montech-century-ii-gold-psu-silver-fully-modular-80-plus-gold-single-rail-625a-135mm-fdbRead 15 October 2026Spec table GTIN 4710562747966.
Announced
Not available
Status
Available3Retailer pagescan.co.uk/products/750w-montech-century-ii-gold-psu-silver-fully-modular-80-plus-gold-single-rail-625a-135mm-fdbRead 15 October 2026Listed as in stock in October 2026 at 59.99 GBP. A second Scan listing for a refurbished unit is marked end of life, which does not apply to the new unit.4Retailer pageamazon.com/dp/B0H6NRSR8JRead 15 October 2026Listing for the 750W style is live in October 2026. The page says it cannot ship to the delivery location used for reading it, so stock is not confirmed.
Predecessor
Not available
Successor
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Markets
Not available
Colours
Metallic Silver1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026Overview: a sleek metallic silver finish. The maker names no other colour for this wattage.
Form factor
ATX1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026Specifications tab: Form Factor ATX (140). The 140 is the depth in mm. The back face is the standard ATX size.
ATX version
ATX 3.11Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026Overview: latest ATX 3.1 support and built for modern ATX 3.1 platforms. The 80 PLUS certificate type line reads ATX 3.0, ATX 3.1.
PCIe CEM version
PCIe 5.13Retailer pagescan.co.uk/products/750w-montech-century-ii-gold-psu-silver-fully-modular-80-plus-gold-single-rail-625a-135mm-fdbRead 15 October 2026Product title: ATX 3.1 and PCIe 5.1 with a 12V-2x6 cable. The maker's 750W page does not print a PCIe version. Amazon US and the Hong Kong shop use the same wording.4Retailer pageamazon.com/dp/B0H6NRSR8JRead 15 October 2026Highlights: ATX 3.1 and PCIe 5.1 ready, featuring a 12V-2x6 cable.
Modular cables
Fully modular1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026Overview: a fully modular design.
Built by (OEM)
Not available

Power

Rated continuous power
750W1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026Specifications tab: Wattage 750 and Total Power 750W.
Full power rated up to
Not available
12V rail design
Single rail3Retailer pagescan.co.uk/products/750w-montech-century-ii-gold-psu-silver-fully-modular-80-plus-gold-single-rail-625a-135mm-fdbRead 15 October 2026Spec table: Single Rail, Rail 1 +12V 62.5 A. This matches the single +12V column in the maker's DC Output table.
+12V max current
62.5A1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026DC Output table: +12V 62.5A, 750W.
+12V max power
750W1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026DC Output table: +12V 62.5A, 750W.
+3.3V and +5V combined power
100W1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026DC Output table prints +3.3V 20A and +5V 20A with one merged 100W cell under both, so 100W is the combined limit.
+5V standby current
3A1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026DC Output table: +5VSB 3A, 15W.
AC input voltage
Lowest100Highest240V1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026Specifications tab: AC Input 100-240Vac 50-60Hz 10A Max.
Alternative low power mode (ALPM)
Not available

Certifications

80 PLUS rating
80 PLUS Gold2Certification listclearesult.com/80plus/certified-psus/Montech/CENTURY-II-750W-115V-Internal-7849Read 15 October 202680 PLUS ID 7849, model CENTURY II 750W, type ATX 3.0, ATX 3.1, 750 W, 115V Internal, Gold, test date 2025-06-03. The certificate lists no sample serial, and the model name matches exactly. Typical efficiency at 50% load 91.71%.
Cybenetics efficiency at 115V
Not available
Cybenetics efficiency at 230V
Not available
Cybenetics noise at 115V
Not available
Cybenetics noise at 230V
Not available

Measured

We could not find any of these 10 fields. Show them
Average efficiency at 115V (measured)
Not available
Average efficiency at 230V (measured)
Not available
Light-load efficiency at 115V (measured)
Not available
Average power factor at 115V (measured)
Not available
Average noise at 115V (measured)
Not available
Noise at full load at 115V (measured)
Not available
Standby power with no load at 115V (measured)
Not available
Hold-up time (measured)
Not available
12V ripple at full load (measured)
Not available
12V load regulation (measured)
Not available

Cables and connectors

Cables
ConnectorConnectorsCables
ATX 24-pin (20+4)11
CPU 8-pin (EPS, 4+4)22
PCIe 8-pin (6+2)42
12V-2x611
SATA power62
4-pin Molex41
Source1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026Cables table: 1 motherboard cable with a 20+4 pin plug, 2 CPU cables with one 4+4 pin plug each, 2 PCIe cables with two 6+2 pin plugs each, 1 12V-2x6 cable (16 pins to 16 pins), 2 SATA cables with 3 plugs each and 1 Molex cable with 4 plugs. The maker gives no cable lengths, wire gauge or 12V-2x6 power rating for this wattage and no Cybenetics report exists, so none is stored.
CPU (EPS) connectors
2
PCIe 8-pin connectors
4
16-pin GPU connectors
1
SATA power connectors
6
4-pin Molex connectors
4
Cable style
Flat1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026Overview: included flat cables and a fully modular design.

Fan

Fan size
135mm1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026Specifications tab: Fan Size 135mm.
Fan bearing
Fluid dynamic (FDB)1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026Specifications tab: Fan Bearing FDB.
Fan mode
Semi-passive1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026Overview: 135mm fan with Smart Zero Fan mode. Retailers call it a zero RPM mode. The page does not say whether the mode can be switched off.
Fan mode switch
Not available

Protection and parts

Protections
Over-current (OCP), Over-voltage (OVP), Under-voltage (UVP), Over-power (OPP), Over-temperature (OTP), Short-circuit (SCP)1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026Specifications tab: OPP / OVP / UVP / SCP / OCP / OTP. The maker lists no NLO or surge and inrush protection.
All-Japanese capacitors
Not available
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 pagemontechpc.com/century-ii-750wRead 15 October 2026Specifications tab: Dimensions (L*W*H) 140*150*86mm, so depth 140, width 150, height 86. Amazon US prints 5.91 x 5.51 x 3.39 inches, which is the same size.
Weight
Not available

In the box

We could not find any of these 1 fields. Show them
In the box
Not available

Warranty

Manufacturer warranty (source market)
10years1Maker product pagemontechpc.com/century-ii-750wRead 15 October 2026Specifications tab: Warranty 10 Years. The page is the global maker page and names no market. Amazon US prints 1 year in a table field but its own highlights say 10-Year Warranty.

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Sources

We read 4 sources for this power supply. The numbers match the markers in the sheet.

  1. Read 15 October 2026Backs 23 fields
  2. Read 15 October 2026Backs 1 field
  3. Read 15 October 2026Backs 4 fields
  4. Read 15 October 2026Backs 2 fields

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