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Rectangular steel power supply, matte black finish, 120 mm fan grille, semi-modular cable sockets visible

Rosewill

Rosewill VSB750 750 W ATX 3.1 semi-modular power supply

SKU CH-NGEV-G5105 MPN VSB750

A 750 W ATX 3.1 semi-modular power supply with an 80 PLUS Bronze rating, a native 12V-2x6 connector for PCIe 5.1 graphics cards and a compact 140 mm depth for small-form-factor builds

  • TypeATX 3.1 Compatible
  • Maximum Power750 W
  • Fans1 x 120 mm
  • PFCActive
  • Main Connector20+4Pin
  • +12V RailsSingle

Options ATX 3.1 80+ Bronze (750W)

  • ATX 3.1 ready for modern builds
  • 750 W single-rail output powers demanding systems
  • Semi-modular cabling keeps the case tidy
  • 80 PLUS Bronze certification delivers up to 85 % efficiency
  • 120 mm ICB fan runs quietly under load

Product identity

The Rosewill VSB750 is a 750 W ATX 3.1 semi-modular power supply built for modern desktop builds. It carries 80 PLUS Bronze certification and includes a native 12+4-pin 12V-2x6 connector for PCIe 5.1 graphics cards. A single +12 V rail and 105 °C Japanese capacitors support stable delivery. The 120 mm ICB fan and steel shell with large vents manage thermals in a compact 140 mm depth.

Fit and limits

System builders upgrading to Gen 5 GPUs will appreciate the dedicated 600 W cable and semi-modular cabling that reduces clutter. The unit supports CrossFire multi-GPU setups and provides six SATA connectors for storage arrays. Builds requiring fully modular cables or higher efficiency ratings should consider other models. The 140 mm length helps in small-form-factor cases but limits cable routing space in larger chassis.

Sustained behaviour

Under continuous load the single +12 V rail maintains output without multi-rail balancing overhead. The 16 ms minimum hold-up time bridges brief mains interruptions. Six protection circuits (OCP, OPP, OTP, OVP, SCP, UCP) engage before components exceed safe limits. The fan curve ramps gradually, keeping acoustic output low during extended gaming or render sessions.

Highlights

  • ATX 3.1 ready for modern builds
  • 750 W single-rail output powers demanding systems
  • Semi-modular cabling keeps the case tidy
  • 80 PLUS Bronze certification delivers up to 85 % efficiency
  • 120 mm ICB fan runs quietly under load

Specifications

BrandRosewill
ModelVSB750
TypeATX 3.1 Compatible
Maximum Power750 W
Fans1 x 120 mm
PFCActive
Main Connector20+4Pin
+12V RailsSingle
SATA Power Connector6
CrossFireCrossFire Ready
Max PSU Length140 mm
ModularSemi-Modular
Hold-up Time16ms min.
EfficiencyUp to 85%
Energy-Efficient80 PLUS BRONZE Certified
Over Voltage ProtectionYes
Overload ProtectionYes
Output+3.3V@18A, +5V@18A, [email protected] , [email protected] , +5VSB@3A
Connectors1 x 20+4-Pin Main Connector
2 x 4+4-Pin ATX12V / EPS12V Connector
2 x 6+2-Pin PCI-E Connector
1 x 12+4-Pin 12V-2x6 Connector
6 x 15-Pin SATA Connector
3 x 4-Pin Peripheral Connector
Shipping weight2.16 kg
Package size267 × 203 × 112 mm

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Questions about this item

Will the single 12V-2x6 connector supply a modern PCIe 5.1 graphics card without an adapter?

Yes, the unit includes a native 12+4-pin 12V-2x6 cable rated for 600 W, so a compatible GPU can be powered directly.

Does the 140 mm depth leave room for cable routing in a compact case?

The chassis measures 140 mm long, which is 35 % shorter than many ATX units, giving extra clearance behind the motherboard tray.

What protection features guard against power anomalies?

A six-protection suite covers over-current, over-power, over-temperature, over-voltage, short-circuit and under-voltage events.

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