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Compact TFX power supply unit with 80mm cooling fan and multiple cable connectors

myVolts

myVolts 400 W TFX Power Supply for HP Pavilion Slimline s5414y s5500z s5508f

SKU CH-MK0D-4YAGR

TFX power supply delivers 400 W to HP Pavilion Slimline models s5414y, s5500z and s5508f with 20+4 pin, 4-pin CPU, Molex, floppy and SATA connectors

  • Product typeAT
  • 400 W output powers demanding upgrades
  • Replaces 200 W, 250 W, 300 W or 350 W units
  • Fits HP Pavilion Slimline s5414y s5500z s5508f TFX cases
  • 20+4 pin, 4-pin CPU, 2× Molex, Floppy, 2× SATA connectors
  • 80 mm double ball-bearing fan keeps temperatures low

Direct Replacement for HP Slimline Desktops

This myVolts TFX power supply is built to fit HP Pavilion Slimline models s5414y, s5500z and s5508f. It delivers 400 W of continuous output from a compact form factor. The unit suits owners of these small-form-factor PCs who need a reliable new power source.

Upgrade from 200 to 350 Watt Units

The 400 W rating replaces original supplies rated at 200, 250, 300 or 350 watts, with headroom rated up to 420 watts. The jump is worth it when added drives, a discrete graphics card or a faster processor push the old unit past its limit. It keeps the same TFX footprint so no case modification is required.

Connectors and Cooling for a Compact Build

A 20+4 pin motherboard connector, 4-pin CPU plug, two Molex, one floppy and two SATA leads cover the typical Slimline layout. An 80 mm double-ball-bearing fan handles airflow in the tight chassis. The supply accepts 100 to 240 V input for worldwide use. Builders needing more SATA ports or a different form factor should look elsewhere.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $99.99
Cheaper than about 67% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

Questions about this item

Will the TFX 400 W unit fit inside an HP Pavilion Slimline s5414y, s5500z or s5508f chassis?

Yes, the TFX form factor is built for those Slimline and SFF models and replaces the original 200, 250, 300 or 350 W supply.

Which cables must be connected during installation, and which step is often missed?

Connect the 20+4 pin motherboard, 4 pin CPU, two Molex, floppy and two SATA plugs; the 4 pin CPU connector is the one most often forgotten.

What part will need attention after extended use?

The 80 mm double ball bearing fan is the only moving component; if it becomes noisy or stops spinning it should be replaced.

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