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Black rectangular ATX power supply with fixed cables and 120 mm fan grille

MSI

MSI MAG A500DN II 500W power supply

SKU CH-PKB6-CSZXV MPN MAG A500DN II

A 500 W ATX power supply with 80 PLUS Standard efficiency, active PFC, a 120 mm fan and six SATA connectors

  • ColorBlack
  • TypeATX12V
  • Maximum Power500 W
  • Fans1 x 120 mm
  • PFCActive
  • Main Connector20+4Pin

Option MAG A500DN II

  • 80 PLUS Standard certification delivers up to 80% efficiency for lower running costs
  • 120 mm fan provides steady airflow to keep internal temperatures safe
  • 12 V single-rail design supplies stable current to graphics cards under load
  • Six SATA power connectors support multiple storage drives in one build
  • Full protection suite with OVP, OTP, OPP, SCP, NLP and SIP safeguards components

Power for mainstream builds

The MSI MAG A500DN II is a 500 W ATX12V unit built for systems that run a single graphics card and standard storage. It suits gamers and office users who need reliable delivery without the cost of higher-wattage models. The 80 PLUS Standard rating confirms up to 80 percent efficiency under typical loads. A 120 mm fan handles cooling across the operating range.

Fixed cable layout and rail design

The non-modular design means every lead stays in the case, so builders must route the full set of 24-pin ATX, 8-pin EPS, two 6+2-pin PCIe, six SATA and two 4-pin peripheral connectors. A 12 V single-rail topology supplies 21 A on the primary rail, simplifying power distribution for the GPU and CPU. Active PFC accepts 100-240 V input at 50/60 Hz without a voltage switch.

Protections and black flat cables

Six protection circuits — OVP, OTP, OPP, SCP, NLP and SIP — shut the unit down if voltage, temperature or current exceed safe limits. The supplied cables use a black flat profile that lies flush against panels and eases bundling behind the motherboard tray. No software or extra accessories are included in the package.

Highlights

  • 80 PLUS Standard certification delivers up to 80% efficiency for lower running costs
  • 120 mm fan provides steady airflow to keep internal temperatures safe
  • 12 V single-rail design supplies stable current to graphics cards under load
  • Six SATA power connectors support multiple storage drives in one build
  • Full protection suite with OVP, OTP, OPP, SCP, NLP and SIP safeguards components

Specifications

BrandMSI
ModelMAG A500DN II
ColorBlack
TypeATX12V
Maximum Power500 W
Fans1 x 120 mm
PFCActive
Main Connector20+4Pin
PCI-Express Connector2 x 6+2-Pin
SATA Power Connector6
ModularNon-Modular
ProtectionOVP, OTP, OPP , SCP, NLP, SIP
Input Voltage100 - 240 V
Input Frequency Range50/60 Hz
Input Current10A (Max.)
Output+5V@14A, +3.3V@14A, +12V@21A, [email protected] , [email protected]
Connectors1 x 24 pin (20+4) ATX / 1 x 8 pin (4+4) EPS (CPU) / 2 x 4 pin Peripheral / 2 x 8 pin (6+2) PCIe / 6 x SATA
Shipping weight1.81 kg
Package size279 × 198 × 122 mm

Other versions of this model

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Questions about this item

Will the 500 W unit handle a graphics card that needs two 8-pin power connectors?

Yes, the PSU provides two 6+2-pin PCIe connectors, each able to serve an 8-pin socket, so a card requiring two such connectors is supported within the 500 W limit.

Does the non-modular cable set include enough SATA power plugs for multiple drives?

Six SATA power connectors are supplied on the fixed cables, allowing several SSDs or hard drives to be powered without extra adapters.

What protections guard against voltage spikes or short circuits?

The unit includes over-voltage, over-temperature, over-power, short-circuit, no-load and surge-inrush protection circuits.

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