Power supplies / Compare
Montech BETA 2 750W vs Montech Century II 750W
Product A: Montech
31 of 66 known
Cooler Master MWE Gold 750 V4
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CORSAIR RM850x SHIFT (2025)
Lian Li SX Platinum 1000W
be quiet! Pure Power 13 M 1200W
be quiet! Pure Power 13 M 750W
CORSAIR RM1000x SHIFT (2025)
CORSAIR CX750M ATX 3.1
MSI MAG A750GLS PCIE5
Change Montech BETA 2 750W
Compare the Montech Century II 750W with
Cooler Master MWE Gold 750 V4
ASUS TUF Gaming 1000W Platinum
MSI MAG A1000PLS PCIE5
ASUS TUF Gaming 850W Gold EVO
Lian Li EDGE Platinum V2 1000W
CORSAIR RM850x SHIFT (2025)
Lian Li SX Platinum 1000W
be quiet! Pure Power 13 M 1200W
be quiet! Pure Power 13 M 750W
CORSAIR RM1000x SHIFT (2025)
CORSAIR CX750M ATX 3.1
MSI MAG A750GLS PCIE5Product B: Montech
31 of 66 known
Cooler Master MWE Gold 750 V4
ASUS TUF Gaming 850W Gold EVO
CORSAIR RM850x SHIFT (2025)
MSI MAG A1000PLS PCIE5
CORSAIR CX750M ATX 3.1
Montech Century II 850W
be quiet! Pure Power 13 M 750W
CORSAIR RM1000x SHIFT (2025)
CORSAIR RM750e (2025)
MSI MAG A750GLS PCIE5
Super Flower Leadex VIII Platinum PRO 1000W
Fractal Design Ion 3 Gold 1000W
Change Montech Century II 750W
Compare the Montech BETA 2 750W with
Cooler Master MWE Gold 750 V4
ASUS TUF Gaming 850W Gold EVO
CORSAIR RM850x SHIFT (2025)
MSI MAG A1000PLS PCIE5
CORSAIR CX750M ATX 3.1
Montech Century II 850W
be quiet! Pure Power 13 M 750W
CORSAIR RM1000x SHIFT (2025)
CORSAIR RM750e (2025)
MSI MAG A750GLS PCIE5
Super Flower Leadex VIII Platinum PRO 1000W
Fractal Design Ion 3 Gold 1000W16 of 58 fields differ
- 12 different values
- 4 known for one only
- 14 the same
- 28 missing for both
Biggest differences
Each bar uses the scale of all 66 power supplies.
- 16-pin GPU connectorsA: 0B: 1Century II 750W has 1 more.
- SATA power connectorsA: 4B: 6Century II 750W has 2 more.
Size, drawn to scale
Front and side.
- ABETA 2 750W: 150 × 86 mm
- BCentury II 750W: 150 × 86 mm
All 66 fields
Every value links to where we found it.


General
6 of 12 differ
Series
Model numbers
GTIN / EAN
47105627487341Maker product pagemontechpc.com/beta-2-750wRead 15 October 2026Specifications tab: EAN 4710562748734.
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
2 March 20262Press releasemontechpc.com/news-beta-2Read 15 October 2026Launch article dated 2026-03-02.
Not available
Status
Available3Retailer pagescan.co.uk/products/750w-montech-beta-2-fully-wired-80plus-bronze-single-rail-625a-120mm-hdb-fan-atx-31-psuRead 15 October 2026UK listing in October 2026 with a price of GBP 44.99 (RRP GBP 49.99) and Scan code LN167284.6Retailer pageamazon.com/MONTECH-Bronze-Non-Modular-Power-Supply/dp/B0GQ1X2W69Read 15 October 2026Listing is live in October 2026. It names no price or stock level to this agent.
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
Not available
Successor
Not available
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Not available
Markets
Not available
Not available
Colours
Form factor
ATX version
ATX 3.11Maker product pagemontechpc.com/beta-2-750wRead 15 October 2026Overview: built on the ATX 3.1 standard. The page names PCIe 5.1 for the 850W model only, so the PCIe CEM version is left empty for the 750W.2Press releasemontechpc.com/news-beta-2Read 15 October 2026Built on the ATX 3.1 standard, with PCIe 5.1 support available on the 850W model.
PCIe CEM version
Not available
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
None3Retailer pagescan.co.uk/products/750w-montech-beta-2-fully-wired-80plus-bronze-single-rail-625a-120mm-hdb-fan-atx-31-psuRead 15 October 2026Listing title and table: Fully Wired, modular no. The Amazon US title says Non-Modular.6Retailer pageamazon.com/MONTECH-Bronze-Non-Modular-Power-Supply/dp/B0GQ1X2W69Read 15 October 2026Listing title: MONTECH BETA 2 750W ATX 3.1 80 Plus Bronze Non-Modular Power Supply.7Press articlepausehardware.com/montech-beta-2-atx31-bronzeRead 15 October 2026Article: fixed cabling. The article calls the wires individually sleeved, while the maker says embossed cables.
Built by (OEM)
Not available
Not available
Power
1 of 9 differ
Rated continuous power
Full power rated up to
Not available
Not available
12V rail design
Single rail3Retailer pagescan.co.uk/products/750w-montech-beta-2-fully-wired-80plus-bronze-single-rail-625a-120mm-hdb-fan-atx-31-psuRead 15 October 2026Listing title and table: single +12V rail, 62.5 A.7Press articlepausehardware.com/montech-beta-2-atx31-bronzeRead 15 October 2026Article: a single +12 V rail with DC-to-DC topology.
+12V max current
+12V max power
+3.3V and +5V combined power
80W1Maker product pagemontechpc.com/beta-2-750wRead 15 October 2026DC Output table: +3.3V 13 A, +5V 13 A and one 80 W power cell for both rails (four power values for five rails). The unit label and the Kabum listing both print 80 W as the combined +3.3V and +5V limit.4Retailer pagekabum.com.br/produto/993319/fonte-montech-beta-2-750w-preto-beta2750wRead 15 October 2026Specification list: maximum combined output power 3.3V and 5V 80 W. The label photo shows one 80.0 W cell under +5V and +3.3V.
+5V standby current
AC input voltage
Alternative low power mode (ALPM)
Not available
Not available
Certifications
1 of 5 differ
80 PLUS rating
80 PLUS Bronze1Maker product pagemontechpc.com/beta-2-750wRead 15 October 2026Specifications tab: 80 PLUS Efficiency Bronze.5Certification listclearesult.com/80plus/sites/80plus/files/manufacturer-certificate/MONTECH_BETA%202%20750W_750W_SOCE%208099_Report.pdfRead 15 October 202680 PLUS ID 8099, model BETA 2 750W, type ATX12V: Bronze at 115V, test date 2026-02-02. The certificate lists no sample serial and rates input 100-240 V and 750 W. It matches the maker's Bronze claim.
Cybenetics efficiency at 115V
Not available
Not available
Cybenetics efficiency at 230V
Not available
Not available
Cybenetics noise at 115V
Not available
Not available
Cybenetics noise at 230V
Not available
Not available
Measured
None of 10 known
Average efficiency at 115V (measured)
Not available
Not available
Average efficiency at 230V (measured)
Not available
Not available
Light-load efficiency at 115V (measured)
Not available
Not available
Average power factor at 115V (measured)
Not available
Not available
Average noise at 115V (measured)
Not available
Not available
Noise at full load at 115V (measured)
Not available
Not available
Standby power with no load at 115V (measured)
Not available
Not available
Hold-up time (measured)
Not available
Not available
12V ripple at full load (measured)
Not available
Not available
12V load regulation (measured)
Not available
Not available
Cables and connectors
4 of 7 differ
Cables
AMontech BETA 2 750W
| Connector | Connectors | Cables |
|---|---|---|
| ATX 24-pin (20+4) | 1 | 1 |
| CPU 8-pin (EPS, 4+4) | 2 | 1 |
| PCIe 8-pin (6+2) | 4 | 2 |
| SATA power | 4 | 1 |
| 4-pin Molex | 4 | 1 |
Source1Maker product pagemontechpc.com/beta-2-750wRead 15 October 2026Cables table (cables, connectors per cable): motherboard 1 cable with one 20+4 pin plug, CPU 1 cable with two 4+4 pin plugs, PCIe 2 cables with two 6+2 pin plugs each, SATA 1 cable with 4 plugs, Molex 1 cable with 4 plugs. Scan lists 4 PCIe 6+2 pin and 2 CPU 4+4 pin plugs, which matches. The maker states no cable lengths or wire gauge and no report publishes them.4Retailer pagekabum.com.br/produto/993319/fonte-montech-beta-2-750w-preto-beta2750wRead 15 October 2026Specification list: 1x 20+4 pin motherboard, 2x 4+4 pin CPU, 2x 6+2 pin PCIe, 4 SATA connectors, 4 Molex connectors. This copies the maker's table.
BMontech Century II 750W
| Connector | Connectors | Cables |
|---|---|---|
| ATX 24-pin (20+4) | 1 | 1 |
| CPU 8-pin (EPS, 4+4) | 2 | 2 |
| PCIe 8-pin (6+2) | 4 | 2 |
| 12V-2x6 | 1 | 1 |
| SATA power | 6 | 2 |
| 4-pin Molex | 4 | 1 |
CPU (EPS) connectors
2
2
PCIe 8-pin connectors
4
4
16-pin GPU connectors
0
1
SATA power connectors
4
6
4-pin Molex connectors
4
4
Fan
3 of 4 differ
Fan size
Fan bearing
Hydrodynamic (HDB)1Maker product pagemontechpc.com/beta-2-750wRead 15 October 2026Specifications tab: Fan Bearing HDB. The overview calls it an upgraded HDB fan, better than sleeve-bearing designs.2Press releasemontechpc.com/news-beta-2Read 15 October 2026Hydraulic Dynamic Bearing fan.4Retailer pagekabum.com.br/produto/993319/fonte-montech-beta-2-750w-preto-beta2750wRead 15 October 2026Specification list: 120 mm HDB fan.
Fan mode
Not available
Fan mode switch
Not available
Not available
Protection and parts
0 of 3 differ
Protections
Over-current (OCP), Over-voltage (OVP), Under-voltage (UVP), Over-power (OPP), Over-temperature (OTP), Short-circuit (SCP)1Maker product pagemontechpc.com/beta-2-750wRead 15 October 2026Specifications tab: OPP / OVP / UVP / SCP / OCP / OTP.2Press releasemontechpc.com/news-beta-2Read 15 October 2026Over-current, over-temperature, over-voltage, over-power, short-circuit and under-voltage protection.3Retailer pagescan.co.uk/products/750w-montech-beta-2-fully-wired-80plus-bronze-single-rail-625a-120mm-hdb-fan-atx-31-psuRead 15 October 2026Table: OPP, OVP, UVP, SCP, OCP, OTP.
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
Not available
MTBF (claimed)
Not available
Not available
Monitoring and lighting
None of 4 known
Software monitoring
Not available
Not available
Software
Not available
Not available
Built-in power display
Not available
Not available
RGB lighting
Not available
Not available
Dimensions and weight
0 of 2 differ
Dimensions
Width150Height86Depth140mm(5.9 × 3.4 × 5.5 in)1Maker product pagemontechpc.com/beta-2-750wRead 15 October 2026Specifications tab: Dimensions (L*W*H) 140 x 150 x 86 mm, so depth 140, width 150, height 86.
Weight
Not available
Not available
In the box
None of 1 known
In the box
Not available
Not available
Links
Not compared
Product page
Spec sheet
Not available
Not available
Manual
Not available
Not available
EPREL registration number
Not available
Not available
Warranty
1 of 1 differ
Both are also in the API. Back to all power supplies.