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Rectangular metal PSU with fan grille and cable bundle

Ruth's sister

Ruth's sister FSP450-50ETN 54Y8899 P300 E31 450W power supply

SKU CH-RPKQ-EGTR8

450 W power supply with active PFC, 6-pin graphics and 4-pin CPU connectors for server use

  • Delivers 450 W for tower server workloads
  • Active PFC corrects input from 100-264 V
  • Includes 6-pin GPU and 4-pin CPU connectors
  • Non-modular design keeps cabling simple
  • Built for server application environments

450W server power supply

The Ruth's sister FSP450-50ETN delivers 450W of continuous power for tower servers. It accepts a wide 100-264V input range and uses active PFC for efficient AC conversion. The non-modular cable set includes a 6-pin PCIe connector and a 4-pin CPU power plug.

Replaces legacy 300W units

This unit steps up from older 300W server supplies when the platform needs more 12V current for added drives or a discrete GPU. The jump is worth it when the original supply hits its limit under sustained load. It fits the same tower form factor without chassis changes.

450W capacity with single 6-pin GPU lead

The 450W rating comfortably handles a mid-range graphics card and multiple storage devices in a server build. Headroom runs out when the platform demands more than one 6-pin PCIe connector or an 8-pin CPU power socket. Builds needing dual GPUs or higher CPU power should look elsewhere.

How it compares

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

Price $64.99
Cheaper than about 82% of the 10,869 comparable items (median $142.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What form factor and dimensions are required for the 54Y8899 to fit in a tower chassis?

The 54Y8899 is a tower-style power supply designed for standard ATX mounting holes and screw spacing; verify your case supports a non-modular PSU with rear exhaust before ordering.

Which cables must be connected during installation of the FSP450-50ETN, and which step is commonly missed?

Connect the 24-pin ATX motherboard cable, the 4-pin CPU power connector, and the 6-pin graphics card plug; the 4-pin CPU connector is often overlooked on server boards.

What components of the 54Y8899 typically need replacement after extended server use?

The internal cooling fan and electrolytic capacitors are the primary wear items; plan to inspect them during scheduled server maintenance cycles.

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