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Black fully modular ATX power supply unit 150mm long with 20+4 pin main connector and five SATA power connectors

FSP

FSP HG2-1000 1000W ATX 3.0 power supply

SKU CH-XR6S-MHTJ2 MPN HG2-1000

Fully modular 1000 W ATX 3.0 unit with native 12V-2x6 connector, 80 Plus Gold efficiency and conformal coating for humid environments

  • Max wattage1000 W
  • Power efficiency> 79%
  • Modular cablingFull Modular
  • Power factor correctionActive
  • Main power connector20+4 Pin
  • SATA power connectors5
  • 80 PLUS Gold certification delivers over 90% typical-load efficiency
  • Fully modular cabling keeps the build tidy and simplifies installation
  • Single +12V rail provides stable 1000W output without overload risk
  • Conformal coating protects components up to 95% relative humidity
  • Native PCIe 5.0 connector supports the latest graphics cards

1000W ATX 3.0 power supply

The FSP HG2-1000 delivers 1000W of continuous power in an ATX 3.0 compatible form factor. It holds 80 PLUS Gold certification with efficiency above 90% at typical load. A fully modular design uses ribbon cables and a single +12V rail for stable delivery. The unit measures 150 mm in length and carries a Cybenetics A- noise rating.

Builders needing ATX 3.0 and PCIe 5.0 support

This unit suits systems that require a native 12VHPWR connector for modern graphics cards and compliance with ATX12V v3.0 and EPS12V v2.92. It operates from 100-240Vac input at 50-60 Hz with active PFC. Builders who need more than 1000W of rated output or a different form factor should look at other options.

Conformal coating and 105°C Japanese capacitors

The PCB receives a conformal coating rated for environments up to 95% relative humidity. 105°C Japanese electrolytic capacitors are used throughout. A 120 mm FDB fan runs under intelligent speed control. Full protection circuits cover OCP, OVP, SCP, OPP and OTP. The package includes five SATA power connectors among the modular cables.

How it compares

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

Price $126.99
Cheaper than about 56% of the 10,869 comparable items (median $142.99).
Max wattage 1000 W
Higher than about 70% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameFSP Group
Product line80 Plus
Model name1000 W
Product colorBlack
Product typeATX 3.0 Compatible
Ports & slots
SATA power connectors5
Power
Max wattage1000 W
Power efficiency> 79%
Modular cablingFull Modular
Power factor correctionActive
Main power connector20+4 Pin
12V railsYes
Efficiency certification80 PLUS GOLD Certified
Overvoltage protectionYes
Supply voltage110–120 V / 220–240 V
AC input frequency50/60 Hz
Compatibility
PSU length limit150 mm
Environment & compliance
PSU noise ratingCybenetics A-

Questions about this item

What motherboard power connector must my board have for the FSP HG2-1000 to plug in?

The PSU ships with a 20+4 pin main connector, so your motherboard needs a matching 20-pin or 24-pin ATX socket.

Can I keep using my existing SATA drives and SSDs with this unit?

Yes, the box includes five SATA power connectors for your current drives.

How do I confirm the PSU is running within its certified efficiency after installation?

Under typical load the unit delivers above 90 percent efficiency, meeting its 80 PLUS Gold rating.

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