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Rectangular steel unit with large vents and a 120mm fan, matte black finish

Rosewill

Rosewill VMG750 750W ATX 3.1 power supply

SKU CH-881S-EXFT5 MPN VMG750

A 750W ATX 3.1 power supply with full modular cabling, 80 PLUS Gold efficiency and a native 12V-2x6 connector for PCIe 5.1 graphics cards

  • Max wattage750 W
  • Power efficiencyUp to 85%
  • Modular cablingFull Modular
  • Fan configuration1 × 120 mm FDBfan
  • Power factor correctionActive
  • Main power connector20+4Pin

Model ATX 3.1 80+ Gold (750W)

  • Ready for modern builds with ATX 3.1 compatibility
  • Clean cable management via full modular design
  • Efficient 80 PLUS Gold certification reduces waste heat
  • Native 12V-2x6 connector powers new GPUs directly
  • Compact 140mm depth fits small-form-factor cases

ATX 3.1 750 W platform

The Rosewill VMG750 is a fully modular power supply rated at 750 W and certified to the ATX 3.1 standard with 80 PLUS Gold efficiency. It targets builders who need a compact, high-efficiency unit for modern GPU architectures.

Compact 140 mm depth frees cable space

A 140 mm chassis depth reduces the footprint by roughly 35 percent compared with traditional units, leaving more room for cable routing in small-form-factor cases. Full modularity lets you connect only the 20+4-pin main, two 4+4-pin EPS, three 6+2-pin PCIe, one 12+4-pin 12V-2x6, eight SATA and four peripheral cables your build actually requires.

Single 12 V rail handles sustained excursion

The single +12 V rail is specified for up to 235 percent power excursion and 300 percent GPU excursion, allowing the 12 V-2x6 connector to deliver 600 W continuously to a Gen 5 graphics card. A 120 mm FDB fan and large steel vents maintain airflow during extended loads while the six-protection suite guards against over-current, over-power, over-temperature, over-voltage, short-circuit and under-voltage events.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $63.99
Cheaper than about 83% of the 10,869 comparable items (median $142.99).
Max wattage 750 W
Lower than about 60% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameRosewill
Model nameVMG750
Product typeATX 3.1 Compatible
Graphics
CrossFire supportReady
Ports & slots
SATA power connectors6
Output type+3.3 V@18A, +5 V@18A, +5VSB@3A
Power
Max wattage750 W
Power efficiencyUp to 85%
Modular cablingFull Modular
Power factor correctionActive
Main power connector20+4Pin
12V railsSingle
Power hold-up time16 ms min.
Efficiency certification80 PLUS GOLD Certified
Overvoltage protectionYes
Overload protectionYes
Size & build
Shipping weight2.36 kg
Package size273 × 203 × 114 mm
Compatibility
PSU length limit140 mm
More details
Fan configuration1 × 120 mm FDBfan

Other versions of this model

3 more in the same range

Questions about this item

How long can the 750 W output be sustained before the 16 ms hold-up time limit is reached?

The 16 ms hold-up time is the minimum duration the PSU maintains regulation after AC loss, not a sustained-load limit; the unit is rated for continuous 750 W delivery.

What noise and heat levels should I expect from the 120 mm FDB fan during all-day operation?

The 120 mm FDB fan runs silently under typical loads; the steel shell with large vents and optimized thermal control keeps temperatures low during extended use.

Which cables must I already own to connect the 12+4-pin 12V-2x6 and 6+2-pin PCIe connectors?

All required cables — including the native 12+4-pin 12V-2x6 and three 6+2-pin PCIe cables — are included in the full-modular package.

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