Skip to main content
Thermaltake Toughpower SFX 750W 80Plus Platinum ATX 3.1 Standard Power Supply; 300W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; PS-STP-0750FNFAPU-1; 7 Year Warranty
Thermaltake

Thermaltake Toughpower SFX 750W 80Plus Platinum ATX 3.1 Standard Power Supply; 300W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; PS-STP-0750FNFAPU-1; 7 Year Warranty

Status: Thermaltake Toughpower SFX 750W 80Plus Platinum…: Unavailable on Amazon as of . SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

Bottom line: The Thermaltake Toughpower SFX 750W 80Plus Platinum ATX 3.1 Standard: 80 PLUS Platinum certified for high efficiency; main trade-off: SFX form factor caps output at 750W.

Unavailable on Amazon as of

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

Similar: MSI MAG A750GL PCIE5 — $84.99 on Amazon as of 2026-10-06 12:20 UTC (price may vary).

Similar: CORSAIR RM750e ATX 3.1 PCIe 5.1 Ready 750W Power… — $85.48 on Amazon as of 2026-10-06 12:20 UTC (price may vary).

Similar: Rosewill VMG 750W 80+ Gold — $63.15 on Amazon as of 2026-10-06 12:20 UTC (price may vary).

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ 80 PLUS Platinum certified for high efficiency
  • ✓ Native 300W 12V-2x6 connector for Gen 5.1 GPUs
  • ✓ ATX 3.1 and Intel SFX 12V 4.1 standards ready
  • ✓ Fully modular low-profile cables

Cons

  • ✗ SFX form factor caps output at 750W
  • ✗ 300W single connector limits top-tier GPU headroom
  • ✗ Platinum tier costs more than Gold SFX units
  • ✗ 90mm FDB fan can be audible under heavy load

Manufacturer description

The Toughpower SFX Platinum series is built to support next-gen hardware, meeting the latest Intel SFX 12V 4.1 and ATX 12V 3.1 standards. With its native PCIe 12V-2x6 (12+4pin) modular interface, it efficiently powers PCIe 12+4pin graphics cards. This series not only achieves 80 PLUS Platinum efficiency but also guarantees stability, durability, and reliability. The dimensions of the Toughpower SFX Platinum measure 125mm(W) x 63.5mm(H) x 103.8mm(D). It comes with an SFX to ATX adapter bracket as an accessory which gives users more options when choosing the ideal case for the build.

SpecPicks Verdict

SpecPicks scored Thermaltake Toughpower SFX 750W 80Plus Platinum ATX 3.1 Standard… using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Thermaltake's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 80Plus Platinum certified compact power with limitless performance
  • PCIe Gen 5.1 ready and fully compatible with ATX 3.1 standards.
  • Fully modular low-profile cables
  • <30mV Low Ripple Noise; Extremely Strict Voltage Regulation <±2%; 17ms and up Hold Up Time
  • 7 Year Warranty

Full Specifications

BrandThermaltake
Wattage750 watts
Model NameToughpower SFX 750W
Unit Count1 Count
Form FactorSFX
Model NumberPS-STP-0750FNFAPU-1
Connector TypeATX
Cooling MethodAir
Number of Fans1
Output Wattage750
Item Dimensions4.05 x 4.9 x 2.5 inches
Mfr Part NumberPS-STP-0750FNFAPU-1
Compatible DevicesPC
Power Supply DesignFull Modular
Warranty Description7 Year Manufacturer
Maximum Input Voltage240 volts_of_alternating_current
Minimum Input Voltage115 volts
Item dimensions L x W x H4.05 x 4.9 x 2.5 inches
System Bus Connector TypeATX
Connector Type Used on CableATX

Ready to buy?

Amazon shows no buyable offer for Thermaltake Toughpower SFX 750W 80Plus Platinum… at the last check. A similar in-stock product is MSI MAG A750GL PCIE5. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $84.99

Related Power Supplies

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →