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Compact silver Flex ATX power supply with modular cable sockets and a 40 mm fan grille

Rosewill

Rosewill VIT500 500 W Flex ATX Mini ITX power supply

SKU CH-581Z-06RB8 MPN VIT500

A 500 W fully modular Flex ATX supply with a 40 mm fan, active PFC and 80 % efficiency for Mini ITX builds

  • Max wattage500 W
  • Power efficiencyUp to 80%
  • Modular cablingFull Modular
  • Fan configuration1 × 40 mm
  • Power factor correctionActive
  • Main power connector20+4Pin
  • Fully modular design keeps cable clutter low for small cases
  • 500 W continuous output powers compact servers and NAS units
  • Active PFC across 90-264 V input ensures stable operation worldwide
  • 40 mm dual ball-bearing fan provides forced-air cooling with long life
  • OVP, OPP, OCP and SCP protections guard components against electrical faults

Compact 500 W Flex ATX supply

The Rosewill VIT500 is a fully modular Flex ATX power supply rated at 500 W. It uses a single +12 V rail delivering 40 A and includes Active PFC across a 90-264 V input range. A 40 mm double ball-bearing fan provides forced-air cooling in a form factor built for Mini-ITX and 1U chassis.

Suited for small-form-factor builds

This unit fits Mini-ITX cases, compact servers and NAS enclosures that accept Flex ATX dimensions. The two 6+2-pin PCIe connectors support a discrete graphics card, while dual SATA and peripheral connectors handle storage and accessories. Systems needing higher wattage, larger ATX footprints or 80 PLUS Gold efficiency should consider other models.

Fully modular cables reduce clutter

Only the required cables attach to the unit, improving airflow in tight layouts. Included are a 20+4-pin main connector, a 4+4-pin EPS12V connector, two 6+2-pin PCIe cables, two SATA cables and two 4-pin peripheral cables. Hold-up time is rated at 16 ms minimum, and protections cover over-voltage, over-power, over-current and short-circuit events.

How it compares

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

Price $37.99
Cheaper than about 93% of the 10,869 comparable items (median $142.99).
Max wattage 500 W
Lower than about 84% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameRosewill
Model nameVIT500
Product typeFlex ATX / Mini ITX
Ports & slots
PCIe power connectors2 × 6+2-Pin
SATA power connectors2
Output type+3.3 V@12A, +5 V@128A, +12 V@40A
Connection types1 × 20+4-Pin Main Connector
1 × 4+4-Pin ATX12 V / EPS12 V Connector
2 × 6+2-Pin PCI-E Connector
2 × 15-Pin SATA Connector
2 × 4-Pin Peripheral Connector
Power
Max wattage500 W
Power efficiencyUp to 80%
Modular cablingFull Modular
Power factor correctionActive
Main power connector20+4Pin
12V railsSingle
Power hold-up time16 ms min.
Overvoltage protectionYes
Overload protectionYes
Size & build
Shipping weight1.00 kg
Package size229 × 165 × 51 mm
More details
Fan configuration1 × 40 mm

Questions about this item

Will this PSU fit in a standard Flex ATX or Mini-ITX case?

Yes, it follows the standard Flex ATX and Mini-ITX form factor so it mounts in any chassis designed for that size.

Can I run a graphics card that needs two 8-pin power connectors?

The unit includes two 6+2-pin PCIe cables, each configurable as a 6-pin or 8-pin connector, covering cards that require dual 8-pin power.

Is the 500 W rating continuous or peak?

The 500 W figure is the maximum continuous output, backed by a single +12 V rail rated at 40 A.

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