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Black ATX power supply unit with a single fan grille visible on one side

MSI

MSI MAGA850GLPCIE5II 850 W power supply

SKU CH-EA2K-K5SZ9 MPN MAGA850GLPCIE5II

An 850 W ATX supply with fully modular sleeved cables, 80 PLUS Gold efficiency up to 90 %, a single 12 V rail and 16 SATA connectors

  • Max wattage600 W
  • Power efficiency> 85%
  • Fan configuration2
  • Fan LEDRGB
  • 12V rails2
  • SATA power connectors16
  • Fully modular sleeved cables reduce clutter and improve airflow
  • 80 PLUS Gold rating delivers up to 90% efficiency at half load
  • 850 W peak power supports demanding graphics cards
  • 120 V and 230 V AC input works worldwide
  • Single 120 mm fan provides quiet cooling

Built for high-efficiency builds

The MSI MAG A850GL PCIE5 II is an ATX 12V power supply rated for 850 W peak output and 600 W continuous power. It carries an 80 PLUS Gold rating delivering up to 90% efficiency at half load and 87% at full load. The unit suits gamers and workstation users who need stable 12 V, 5 V, 3.3 V and 5 V SB rails.

Modular cabling frees chassis space

A fully modular design with sleeved cables lets you install only the connectors required, saving room and improving airflow inside the case. Standard 24-pin and EPS 4+4-pin motherboard cables are included alongside multiple SATA and PCI Express connectors. Active PFC and a wide 100–240 V input range simplify integration worldwide.

Single fan balances thermals and noise

One fan handles cooling across the 11.8 in x 8.9 in x 5 in enclosure while the Gold-rated efficiency keeps waste heat low at typical loads. The 12 V rail design supports NVIDIA SLI configurations without extra current splitting. Input current draws 10 A at 115 V or 5 A at 230 V, reflecting the unit’s efficient power conversion.

How it compares

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

Price $107.99
Cheaper than about 64% of the 10,869 comparable items (median $142.99).
Max wattage 600 W
Lower than about 80% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameMSI
Model name535 W
Product colorBlack
Product typeATX 12 V
Performance
Frequency50/60 Hz
Ports & slots
SATA power connectors16
Output type850
Floppy connector1
Power
Max wattage600 W
Power efficiency> 85%
12V rails2
Supply voltage100–240 V
AC input frequency50/60 Hz
Rated input current10A @ 115 V, 5A @ 230 V
Rated power600 W
Peak wattage850
+3.3V max. current8A
Size & build
Size or dimensions11.8 in × 8.9 in × 5 in
Product dimensions20'
Product weight6.3 lb (2.86 kg)
Top fans size120 mm
Rear fans size120 mm
Shipping weight2.86 kg
Package size302 × 224 × 127 mm
In the box
Included itemsMAGA850GLPCIE5II, 1, false
Fans total quantity1
Environment & compliance
Regulatory approvalsUnknown
Top fans noise levelAir
More details
Fan configuration2
Fan LEDRGB
Top fans LEDBlue
Rear fans LEDBlue

Questions about this item

Will the fully modular cables fit a standard ATX case?

The unit measures 11.8 in x 8.9 in x 5 in, matching the ATX 12V form factor used by most mid-tower and larger cases.

Can it deliver 850 W continuously for a high-end GPU and CPU?

The continuous rating is 600 W; 850 W is the peak figure, so sustained loads should stay within 600 W.

What motherboard and GPU connectors are included?

The package provides a 24-pin ATX connector, EPS 4+4-pin CPU connectors, and PCI Express cables for graphics cards.

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