FSP

FSP MEGA-1200GM 1200W 80+ Gold ATX 3.1 Fully Modular PSU (Boxed)

SKU 70598 Brand FSP EAN13 4711498481955
FSP MEGA-1200GM 1200W ATX 3.1 PSU with 80+ Gold / Cybenetics Gold efficiency. Fully modular, native 12V-2x6 PCIe, 135mm FDB fan, eco semi-fanless mode. Full protections, 10-year warranty. Ideal for high-end gaming PCs.
PSU (Power Supplies) - Wattage 1200 - 1499 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 1x 12V-2x6
PSU (Power Supplies) - Length 141-160 mm
PSU (Power Supplies) - EPS CPU Connectors 2x 4+4pin EPS/ATX12V

The FSP MEGA-1200GM is a premium 1200W power supply unit compliant with the latest ATX 3.1 standard, featuring native support for the PCIe 12V-2x6 connector essential for modern high-power GPUs. Certified 80 PLUS Gold and Cybenetics Gold for excellent efficiency (≥90% at typical loads), it minimizes heat and power waste while delivering stable performance even under heavy loads.

Fully modular design with flat embossed cables simplifies cable management and airflow. Equipped with a quiet 135mm Fluid Dynamic Bearing (FDB) fan and eco semi-fanless switch for zero RPM operation below 50% load (<15 dB(A) noise). Built with 105°C Japanese capacitors and comprehensive protections: OCP, OVP, OPP, SCP, UVP, OTP, SIP, NLO. Backed by a 10-year warranty.

  • ATX 3.1 / PCIe 5.0 ready with 12V-2x6 connector
  • Single +12V rail for maximum stability
  • Supports up to 50°C operation
  • Off-Wet/Dust/Stain conformal coating for durability
  • Top-tier LLC + DC-DC topology
Total Power1200 W
Efficiency90% at typical load
80 Plus Certification80 PLUS Gold
Cybenetics CertificationGold (Lambda A++)
Form FactorATX 3.1
ModularityFully modular
Fan135mm Fluid Dynamic Bearing (FDB), 1 fan
ColorBlack
Dimensions (bare unit)150 x 150 x 86 mm
ATX Version3.1
EPS Version2.91
PCIe Connectors1x 12V-2x6 (native PCIe 5), multiple 8/6-pin (typically 4-6x)
EPS Connectors2x 4+4pin EPS/ATX12V
ProtectionsOCP, OVP, SCP, OPP, UVP, OTP, SIP, NLO
Capacitors105°C Japanese bulk
Fan ControlEco semi-fanless switch (Zero RPM <50% load)
Warranty10 Years
Operating TemperatureUp to 50°C