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Black rectangular ATX power supply unit with flat modular cables and dual-colour connectors

Thermaltake

Thermaltake PS-TPI-1650FNFDTU-1 1650 W power supply

SKU CH-PDPJ-C7Z5E MPN PS-TPI-1650FNFDTU-1

Fully modular 1650 W ATX 3.1 supply with four native PCIe 5.1 12V-2x6 cables, digital monitoring and switchable rail modes

  • Max wattage1650 W
  • Power factor correctionActive
  • Power good signal100-150 msec
  • Power hold-up time> 17msec at 80% load
  • Efficiency certification230 V EU Platinum certified
  • Supply voltage115-220 V~
  • Delivers 1650 W for high-performance workstations
  • Four native PCIe 5.1 12V-2x6 cables supply up to 600 W each
  • Matcha dual-colour H++ connectors confirm secure seating when green disappears
  • Fully modular etched flat cables with pre-installed combs simplify cable management
  • Real-time monitoring and single/multi-rail switching via TT RGB PLUS 3.0 software

High-capacity digital PSU for workstations

The Thermaltake Toughpower i1650W delivers 1650 W of 80 PLUS Titanium certified power. It targets high-performance workstations that require four native PCIe 5.1 12V-2x6 connectors. Real-time monitoring and single/multi-rail switching are managed through TT RGB PLUS 3.0 software. The fully modular design uses etched flat cables with pre-installed adjustable combs.

Compatibility checks before ordering

Verify your case can accommodate the unit's physical dimensions and that your motherboard provides the required ATX 3.1 power connectors. Ensure the AC supply in your region falls within the 115-220 V input range at 50/60 Hz. Confirm your GPU power demands align with the four native 12V-2x6 cables rated for up to 600 W each. The matcha-coloured H++ connectors show proper seating when the green indicator is no longer visible.

Thermals noise and power behaviour

Smart Zero Fan control adjusts cooling based on real-time temperature data monitored via software. The unit maintains low-load efficiency and handles up to 200 % total power excursions per ATX 3.1 specifications. Hold-up time exceeds 17 msec at 80 % load while the power good signal triggers within 100-150 msec. Active PFC and a 15.0 A maximum input current support stable operation across the voltage range.

How it compares

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

Price $432.99
Pricier than about 87% of the 10,869 comparable items (median $142.99).
Max wattage 1650 W
Higher than about 93% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameThermaltake
Model namePS-TPI-1650FNFDTU-1
Product colorBlack
Product typeDigital
Power
Max wattage1650 W
Power factor correctionActive
Power good signal100-150 msec
Power hold-up time> 17msec at 80% load
Efficiency certification230 V EU Platinum certified
Supply voltage115-220 V~
AC input frequency50/60 Hz
Rated input current15.0A Max.
Size & build
Product dimensions7 × 5.9 × 3.4 in
Product weight9 lb (4.08 kg)
Shipping weight4.99 kg
Package size361 × 229 × 157 mm
More details
Mean time between failures100

Questions about this item

Does the box include the four native PCIe 5.1 12V-2x6 cables or must they be purchased separately?

The unit is fully modular with etched flat cables and pre-installed adjustable combs included; the four native PCIe 5.1 12V-2x6 connectors are part of the standard cable set.

Should I choose the single-rail or multi-rail mode for a build with four PCIe 5.1 12V-2x6 GPUs?

Multi-rail mode adds per-rail over-current protection which is useful when distributing 600 W across four 12V-2x6 connectors, while single-rail removes those limits for extreme overclocking on fewer cards.

What does the 1650 W rating mean when the PSU is installed in a 230 V EU system?

At 230 V input the unit meets 80 PLUS Titanium efficiency and complies with ATX 3.1, supporting up to 200 % total power excursion and 60 % low-load efficiency while delivering the full 1650 W continuously.

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