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300W Power Supply Mini ITX Flex ATX PSU 110-240V Modular for POS IPC Server | Efficiency > 82% Fits Small Form Factor Desktop Computers Case HTPC Low-Power System Workstation Black
T.F.SKYWINDINTL

300W Power Supply Mini ITX Flex ATX PSU 110-240V Modular for POS IPC Server

Bottom line: The 300W Power Supply Mini ITX Flex ATX PSU 110-240V Modular is a specs-and-price decision rather than a crowd-consensus one in the power supplies category, priced around $45.99 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$45.99

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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 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Backed by T.F.SKYWINDINTL'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

Manufacturer description

Flex ATX Power Supply 300W Modular Design

SpecPicks Verdict

SpecPicks scored 300W Power Supply Mini ITX Flex ATX PSU 110-240V Modular using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. T.F.SKYWINDINTL'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

  • 300W power supply: Flex power supply has a wide range of applications, such as MINI-ITX computers ITX case, POS, IPC system, low-power system, server, workstation, industrial computer,Non disk workstation,all-in-one computer, TV computer all-in-one machine, etc.
  • Flex psu: 165*81*40mm,standard flex atx form factor.Highly stable output voltage,efficiency > 82%.
  • 300W continuous power output,100% high temperature aging test 40℃ operating temperature rated for 24/7 operation.Optimal cooling, low-noise operation and long term reliability.
  • Fully modular power supply. Flexible cable management allows for the connection or removal of cables as needed,the isolation design of module power supply also has high reliability.
  • Flex power supply 300w cables: Motherboard power cable 20+4pin *1(350mm), CPU power cable 4+4pin *1(400mm), PCI-E power cable 6+2pin *1(360mm), SATA*2, IDE*1.

Full Specifications

BrandT.F.SKYWINDINTL
Wattage300 watts
Flex psu165*81*40mm,standard flex atx form factor.Highly stable output voltage,efficiency > 82%.
Model NameFLEX-300-B
Model NumberFLEX-300-B
Connector Type20+4Pin motherboard connector
Cooling Method40mm Fan
Output Wattage300 Watts
Item Dimensions6.69 x 3.15 x 1.57 inches
Compatible DevicesDesktop pc
Power Supply DesignFull Modular
Warranty Descriptionnon
Item dimensions L x W x H6.69 x 3.15 x 1.57 inches
Connector Type Used on Cable20+4Pin motherboard connector
Flex power supply 300w cablesMotherboard power cable 20+4pin *1(350mm), CPU power cable 4+4pin *1(400mm), PCI-E power cable 6+2pin *1(360mm), SATA*2, IDE*1.
Full listing title300W Power Supply Mini ITX Flex ATX PSU 110-240V Modular for POS IPC Server | Efficiency > 82% Fits Small Form Factor Desktop Computers Case HTPC Low-Power System Workstation Black

Ready to buy?

300W Power Supply Mini ITX Flex ATX PSU 110-240V Modular for POS IPC Server | Efficiency > 82% Fits Small Form Factor Desktop Computers Case HTPC Low-Power System Workstation Black 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 — $45.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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