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Smart W3 Series 80Plus Certified 600W Power Supply; ATX v3.1 Spec; 120mm FDB Fan; 5 Year Warranty; PS-SPW-0600NNFAWU-1
Thermaltake

Smart W3 Series 80Plus Certified 600W Power Supply; ATX v3.1 Spec; 120mm FDB Fan; 5 Year Warranty; PS-SPW-0600NNFAWU-1

Bottom line: The Smart W3 Series 80Plus Certified 600W Power Supply; ATX v3.1 Spec; ($54.99 on Amazon as of 2026-10-07): ATX v3.1 compliant for PCIe 5.0 GPU power transients; main trade-off: 80 Plus base tier only, up to 80% efficiency.

$54.99

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Buy on Amazon — $54.99 Compare to similar power supplies

By , Founder & Editor-in-Chief · Listing data updated

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.

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ ATX v3.1 compliant for PCIe 5.0 GPU power transients
  • ✓ DC-to-DC +12V rail for tighter voltage regulation
  • ✓ Quiet 120mm FDB (fluid dynamic bearing) fan

Cons

  • ✗ 80 Plus base tier only, up to 80% efficiency
  • ✗ Non-modular with fixed flat cables adds clutter
  • ✗ 600W ceiling limits mid-range single-GPU builds
  • ✗ 17ms hold-up time just meets the ATX spec

Manufacturer description

The Smart W3 series is certified by 80 PLUS efficiency and designed to meet ATX 3.1 standards, offering 500W, 600W, and 700W options. It's perfect for budget-conscious users seeking an efficient and reliable entry-level power supply, backed by a solid 5-year warranty. Ultra-quiet 120mm cooling fan delivers excellent airflow at an exceptionally low noise level. •P/N: PS-SPW-0600NNFAWU-1 •Model: SP3-600AH2NLW •Type: Analog •Watts: 600W •Color: Black •Dimensions: 150mm(W)x86mm(H)x140mm(D) •PFC (Power Factor Correction): Active PFC •Power Good Signal: 100-150 msec •Hold Up Time: 17msec at 80%…

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SpecPicks Verdict

SpecPicks scored Smart W3 Series 80Plus Certified 600W Power Supply; ATX v3.1 Spec… 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

  • Fully compatible with Intel ATX v3.1 specification.
  • 80PLUS certified up to 80% efficiency.
  • DC to DC high amperage +12V rail design.
  • Low-profile flat black cable; 120mm FDB cooling fan.
  • Built in Industrial grade protection with 5-year warranty.

Full Specifications

BrandThermaltake
Wattage600 watts
Fan Size12 centimeters
Model NameSP3-600AH2NLW
Form FactorATX
Model NumberPS-SPW-0600NNFAWU-1
Connector TypeATX, Molex, PCI Express, SATA
Cooling MethodAir
Number of Fans1
Output Wattage600
Item Dimensions5.5 x 5.9 x 3.4 inches
Mfr Part NumberPS-SPW-0600NNFAWU-1
Compatible DevicesPC
Connector Quantity24
Power Supply DesignNon-Modular
Warranty Description5 Year Manufacturer
Maximum Input Voltage240 volts_of_alternating_current
Minimum Input Voltage115 volts
Item dimensions L x W x H5.5 x 5.9 x 3.4 inches
System Bus Connector TypeATX

Ready to buy?

Smart W3 Series 80Plus Certified 600W Power Supply; ATX v3.1 Spec; 120mm FDB Fan; 5 Year Warranty; PS-SPW-0600NNFAWU-1 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $54.99

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

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Smart W3 Series 80Plus Certified 600W Power Supply; ATX v3.1 Spec; 120mm FDB Fan; 5 Year Warranty; PS-SPW-0600NNFAWU-1
$54.99
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