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Rectangular metal power supply unit with fan grille and cable bundle

myVolts

myVolts Power Supply for HP EX475 EX495 350W

SKU CH-RQMW-MQ745

Drop-in 350 W AT replacement for HP EX475 and EX495 MediaSmart servers with custom wiring for guaranteed compatibility

  • TypeAT
  • Drop-in replacement for HP EX475 and EX495 MediaSmart servers
  • Custom wiring matches the original HP-U200EF3 FSP270-60LE-MS unit exactly
  • 350 W maximum output provides extra headroom for hardware upgrades
  • No re-modification required — installs directly into the existing chassis
  • Brand-new, high-quality replacement power supply built to original specifications

Replacement for HP MediaSmart EX475 EX495

This power supply is a direct drop-in replacement for the HP EX475 MediaSmart Server and EX495 models. It matches the proprietary wiring and electrical flow of the original HP-U200EF3 and FSP270-60LE-MS units. No re-modification of the server chassis or cabling is required for installation. It is built for owners needing a reliable new unit to restore server operation.

350W maximum output with AT form factor

The unit delivers a maximum of 350 watts, which is higher than the original 270 watt rating referenced in the part number. This extra headroom allows for additional internal upgrades such as extra drives or expansion cards within the server's power budget. The supply uses an AT type design specific to these legacy HP server platforms. Total system draw must remain within the 350 watt limit to ensure stable operation.

Drop-in fit with proprietary wiring

Installation is straightforward because the unit is specially wired to match the original HP pinout exactly. The most common issue with generic replacements is mismatched wiring that prevents the server from posting or causes instability. This model eliminates that risk by replicating the unique electrical flow of the OEM part. Buyers needing a standard ATX pinout for a custom build should look elsewhere as this unit is not compatible with standard motherboards.

Highlights

  • Drop-in replacement for HP EX475 and EX495 MediaSmart servers
  • Custom wiring matches the original HP-U200EF3 FSP270-60LE-MS unit exactly
  • 350 W maximum output provides extra headroom for hardware upgrades
  • No re-modification required — installs directly into the existing chassis
  • Brand-new, high-quality replacement power supply built to original specifications

Specifications

TypeAT

Questions about this item

Which wattage version should I choose for my HP MediaSmart server?

This model provides 350 watts maximum output, replacing the original 270-watt unit and giving extra headroom for added drives or expansion cards.

What does the 350-watt rating mean once the supply is installed in my EX475 or EX495?

It delivers up to 350 watts of continuous power to the motherboard and drive bays, supporting the original components plus additional upgrades without re-wiring.

What power interface does this supply use and what does it limit?

It uses the proprietary AT-type connector wired for HP-U200EF3 and FSP270-60LE-MS pinouts, capping compatibility to EX475 and EX495 MediaSmart servers only.

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