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Power supplies / Compare

Montech BETA 2 750W vs Montech Century II 750W

16 of 58 fields differ

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  • 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.

  1. 16-pin GPU connectorsA: 0B: 1Century II 750W has 1 more.
  2. SATA power connectorsA: 4B: 6Century II 750W has 2 more.

Size, drawn to scale

Front and side.

All 66 fields

Every value links to where we found it.

AMontech BETA 2 750W
BMontech Century II 750W

General

6 of 12 differ
Announced
Not available
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
Built by (OEM)
Not available
Not available

Power

1 of 9 differ
Full power rated up to
Not available
Not available
Alternative low power mode (ALPM)
Not available
Not available

Certifications

1 of 5 differ
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
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
Cable style

Fan

3 of 4 differ
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/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
Weight
Not available
Not available

In the box

None of 1 known
In the box
Not available
Not available

Warranty

1 of 1 differ
Manufacturer warranty (source market)

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