Fortron Source

Fortron VITA GM 850W 80+ Gold Fully-Modular ATX 3.1 PSU (Boxed)

SKU 6640 Brand Fortron Source EAN13 4713224529603
850W fully-modular Fortron VITA GM PSU with 80 Plus Gold certification, ATX 3.1 compliance, compact 140mm depth, 4x PCIe 6+2 connectors, and 10-year warranty for reliable PC power.
PSU (Power Supplies) - Wattage 800 - 899 W
PSU (Power Supplies) - Efficiency Rating 80 Plus Gold Cybenetics Gold
PSU (Power Supplies) - Color Black
PSU (Power Supplies) - Modularity Fully modular
PSU (Power Supplies) - PCIe GPU Connectors 4x 8/6 pins
PSU (Power Supplies) - Length Up to 140 mm
PSU (Power Supplies) - EPS CPU Connectors 1x 4+4pin EPS/ATX12V

The Fortron VITA GM 850W is a compact, fully-modular power supply designed for modern PC builds requiring reliable and efficient power delivery. With an 80 Plus Gold certification and Cybenetics Gold/Platinum rating, this unit delivers approximately 90% efficiency across typical loads, making it an excellent choice for gaming and workstation systems. The PSU features a diminutive 140mm depth footprint, allowing it to fit into various chassis designs without compromising performance.

Technically, the VITA GM 850W excels in load regulation and voltage ripple suppression, with exceptional stability across all output rails. It includes comprehensive protection features (OCP, OVP, SCP, OPP, UVP, OTP) and is backed by a robust 10-year manufacturer warranty. The unit employs a 120mm hydraulic bearing fan for efficient cooling and includes fully-modular cabling with flexible, high-quality connectors that simplify cable management during system builds.

Key connectivity includes 4x PCIe 6+2 pin connectors for GPU power, 1x 4+4 pin EPS/ATX12V CPU connector, 8x SATA connectors, and standard 20+4 pin ATX motherboard connector. The PSU supports ATX v3.1 and EPS 2.92 specifications, with active power factor correction (PFC) for improved efficiency and compatibility with modern components.

  • 80 Plus Gold certified with ~90% efficiency rating
  • Fully-modular cabling design for easy cable management
  • Compact 140mm depth fits most PC chassis
  • 4x PCIe 6+2 pin connectors for high-end GPUs
  • Complete protection suite: OCP, OVP, SCP, OPP, UVP, OTP
  • 10-year manufacturer warranty
  • 120mm hydraulic bearing fan for reliable cooling
  • ATX v3.1 and EPS 2.92 compliant
Total Power Output850 W
AC Input Voltage100 - 240 V
AC Input Frequency50/60 Hz
Input Current11-5.5 A
Power Factor CorrectionActive PFC
Combined Power +12V850 W
Combined Power +5V100 W
Combined Power +3.3V100 W
Combined Power +5Vsb15 W
Combined Power -12V3.6 W
Max Output Current +12V70.83 A
Max Output Current +5V20 A
Max Output Current +3.3V20 A
Max Output Current +5Vsb3 A
Max Output Current -12V0.3 A
Efficiency Rating80 Plus Gold (~90% at typical load)
Cybenetics CertificationCybenetics Gold (750W/850W/1000W); Cybenetics Platinum at 230V (91-93%)
Voltage Regulation 12V Rail0.9% deviation
Voltage Regulation 5V Rail1.8% deviation
Voltage Regulation 3.3V Rail1.7% deviation
Ripple Suppression 12V36 mV maximum
Ripple Suppression 5V24 mV maximum
Ripple Suppression 3.3V24 mV maximum
Protection FeaturesOCP (Over Current), OVP (Over Voltage), SCP (Short Circuit), OPP (Over Power), UVP (Under Voltage), OTP (Over Temperature)
Motherboard Power Connector20+4 pin ATX
Motherboard Power Cable Length60 cm
CPU Power Connector1x 4+4 pin EPS/ATX12V
CPU Power Cable Length70 cm
PCIe GPU Power Connectors4x 6+2 pin (PCIe)
SATA Power Connectors8x SATA
SATA Power Cable Length500 mm
Peripheral Molex Connectors4x 4-pin
Cabling TypeFully-Modular
ATX SpecificationATX 12V v3.1
EPS SpecificationEPS 12V v2.92
Form FactorATX
Cooling Fan1x 120mm hydraulic bearing (HYB) fan
Fan LocationTop
Primary CapacitorTK (Toshin Kogyo) 105°C 450V 680µF Japanese bulk capacitor
Dimensions (Unit Only)150mm (W) × 140mm (D) × 86mm (H)
ColorBlack
Operating Temperature0 - 40°C continuous full load
Warranty10-year manufacturer warranty
Load Regulation PerformanceVery good across full rated output range (850W)
Noise LevelCybenetics A rating (20-25 dB[A])