Thermaltake

Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular; 90mm FDB Fan; 7 Year Warranty; PS-STP-1000FNFAPU-1

Name: Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply (PCI-E 5.1/ATX 3.1 Standard); 600W 12V-2x6 Connector Included; Full Modular
Brand: Thermaltake
SKU: B0D28HRHSG

Status: Thermaltake Toughpower SFX Form Factor 1000W 80+…: Unavailable on Amazon as of 2026-10-06 10:29 UTC. 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.

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Bottom line: The Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power Supply: Native 600W 12V-2x6 connector powers RTX 50-series without adapters; main trade-off: 179.99 puts it above many 850W SFX alternatives.

Unavailable on Amazon as of 2026-10-06 10:29 UTC

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

Similar: Thermaltake Smart 600W ATX 12V V2.3/EPS 12V 80… — $42.99 on Amazon as of 2026-10-06 12:20 UTC (price may vary).

View Current Price — $42.99

Similar: Thermaltake Toughpower GX2 80+ Gold 600W… — $59.99 on Amazon as of 2026-10-06 16:16 UTC (price may vary).

View Current Price — $59.99

Similar: be quiet! Pure Power 13 M 1000W — $111.90 on Amazon as of 2026-10-06 12:20 UTC (price may vary).

View Current Price — $111.90

Original listing (currently unavailable) → Compare to similar power supplies

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

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. About the author →

Pros & Cons

Pros

✓ Native 600W 12V-2x6 connector powers RTX 50-series without adapters
✓ 80 PLUS Platinum efficiency at a full 1000W in SFX size
✓ Compact 125 x 63.5 x 103.8mm body fits SFX and SFX-L brackets
✓ SFX-to-ATX adapter bracket included for standard mid-tower builds
✓ 7-year warranty and under 2 percent voltage regulation tolerance

Cons

✗ 179.99 puts it above many 850W SFX alternatives
✗ 90mm FDB fan spins faster and louder than 120mm ATX units
✗ 17ms hold-up time is the ATX 3.1 minimum, not a generous margin
✗ SFX cable lengths often too short for full-tower routing

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).

SpecPicks Verdict

SpecPicks scored Thermaltake Toughpower SFX Form Factor 1000W 80+ Platinum Power… 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

SFX form factor compact size, not ATX size, with limitless performance.
SFX to ATX adapter bracket included for ATX size build.
PCIe Gen 5.1 ready and fully compatible with ATX 3.1 standards. Native 12V-2x6 connector.
80Plus Platinum certified with fully modular low-profile cables.
＜30mV Low Ripple Noise; Extremely Strict Voltage Regulation ＜±2%; 17ms and up Hold Up Time

Full Specifications

Brand	Thermaltake
Wattage	1000 watts
Fan Size	9 centimeters
Model Name	Toughpower SFX 1000W
Unit Count	1 Count
Form Factor	SFX
Model Number	PS-STP-1000FNFAPU-1
Connector Type	ATX
Cooling Method	Air
Number of Fans	1
Output Wattage	1000
Item Dimensions	4.05 x 4.9 x 2.5 inches
Mfr Part Number	PS-STP-1000FNFAPU-1
Number of Items	1
Compatible Devices	PC
Power Supply Design	Full Modular
Warranty Description	7 Year Manufacturer
Maximum Input Voltage	240 volts_of_alternating_current
Minimum Input Voltage	115 volts
Item dimensions L x W x H	4.05 x 4.9 x 2.5 inches

Ready to buy?

Amazon shows no buyable offer for Thermaltake Toughpower SFX Form Factor 1000W 80+… at the last check. A similar in-stock product is Thermaltake Smart 600W ATX 12V V2.3/EPS 12V 80…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $42.99