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FSP FlexGURU Pro 500W, Flex ATX Power Supply, 80 Plus Gold PSU | For SFF PC, IPC & NAS Systems, Non-Modular, with 1U Bracket, Japanese Capacitors, 5-Year Warranty, FSP500-50FDP
FSP

FSP FlexGURU Pro 500W (FSP500-50FDP)

Bottom line: The FSP FlexGURU Pro 500W is a specs-and-price decision rather than a crowd-consensus one in the power supplies category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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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.

Pros & Cons

Pros

  • ✓ Backed by FSP's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

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SpecPicks Verdict

SpecPicks scored FSP FlexGURU Pro 500W using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. FSP'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

  • 80 PLUS GOLD CERTIFIED EFFICIENCY: Delivers reliable power with up to 90% efficiency under typical loads. This reduces heat output and energy consumption, lowering operating costs while maintaining stable system performance.
  • EXCELLENT THERMAL MANAGEMENT: Equipped with a 40mm 2ball bearing fan and Intelligent fan speed control. Experience excellent thermal performance and keep your critical components cool.
  • PREMIUM JAPANESE ELECTROLYTIC CAPACITORS: Built with high-quality Japanese main capacitors. This ensures precise voltage regulation and dependable long-term reliability under continuous operation.
  • FLEX-ATX STANDARD COMPATIBILITY: Comes with an universal mounting bracket. This design ensures a straightforward installation process for a wide range of SFF (Small Form Factor) builds, 1U IPCs, Networking gear, and Surveillance chassis.
  • ALL-BLACK ROUND CABLING: Features flexible, all-black round cables to simplify routing in tight chassis spaces. This improves internal airflow and provides a clean, professional aesthetic for your build without the clutter.
  • COMPREHENSIVE SAFETY PROTECTION: Features industrial-level safety protections including UVP, OVP, SCP, OPP, and OTP. Provides a secure power foundation for Edge Computing, NAS arrays, HTPC setups, and POS terminals.

Full Specifications

BrandFSP
Wattage500 watts
Model NameFLEX GURU 500-T
Form FactorMini ITX
Model NumberFLEX GURU 500-T
CompatibilityPC
Connector TypeATX, FLEX ATX
Cooling MethodAir
Number of Fans1
Output Wattage500 watts
Item Dimensions5.91 x 1.59 x 3.21 inches
Mfr Part NumberPPA5008404
Compatible DevicesEdge Computer, Industrial PC, NAS Server, PC, Surveillance
Power Supply DesignNon-Modular
Warranty Description5 year manufacturer
Maximum Input Voltage240 volts_of_alternating_current
Minimum Input Voltage100 volts_of_alternating_current
Item dimensions L x W x H5.91 x 1.59 x 3.21 inches
System Bus Connector Type24 Pin
Connector Type Used on CableATX, FLEX ATX
Full listing titleFSP FlexGURU Pro 500W, Flex ATX Power Supply, 80 Plus Gold PSU | For SFF PC, IPC & NAS Systems, Non-Modular, with 1U Bracket, Japanese Capacitors, 5-Year Warranty, FSP500-50FDP

Ready to buy?

FSP FlexGURU Pro 500W, Flex ATX Power Supply, 80 Plus Gold PSU | For SFF PC, IPC & NAS Systems, Non-Modular, with 1U Bracket, Japanese Capacitors, 5-Year Warranty, FSP500-50FDP 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.

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FSP FlexGURU Pro 500W, Flex ATX Power Supply, 80 Plus Gold PSU | For SFF PC, IPC & NAS Systems, Non-Modular, with 1U Bracket, Japanese Capacitors, 5-Year Warranty, FSP500-50FDP
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