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Silver rectangular ATX power supply unit with rear fan grille and cable bundle

DoDo DIY

DoDo DIY 450 Watt Power Supply FSP450-50ETN DPS-450DP 54Y8899

SKU CH-3HDK-Z5YQZ

450-watt AT power supply compatible with ThinkCentre M83, M92, M93, M78, M73 and ThinkServer TS140, TS440 systems

  • Product typeAT
  • 450 watt output powers compatible desktops reliably
  • AT form factor fits listed ThinkCentre and ThinkServer models
  • Supports M83 M92 M92P M93 M93P M78 M73 systems
  • Compatible with ThinkServer TS140 and TS440 workstations
  • Replaces part number 54Y8899 for direct installation

Compatible Lenovo Desktops

This 450 watt AT power supply replaces the original unit in ThinkCentre M83, M92, M92P, M93, M93P, M78 and M73 models. It also fits ThinkServer TS140 and TS440 systems. The unit is new and carries the Lenovo part number 54Y8899.

450 Watt AT Output

The single deciding specification is the 450 watt AT power rating matched to the listed Lenovo platforms. Buyers needing a different form factor, higher wattage or standard ATX pin-out for a custom build cannot use this unit. The 60 day warranty covers early-life failures only.

Direct Replacement Fit

No adapters or cable kits are bundled; the supply uses the proprietary connectors required by the supported ThinkCentre and ThinkServer chassis. Installers simply swap the old module and secure it with the existing screws. No software or driver installation is involved.

How it compares

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

Price $91.99
Cheaper than about 71% of the 10,869 comparable items (median $142.99).

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Specifications

Product
Product typeAT

Questions about this item

What does the 450 watt rating mean when this supply is installed in a ThinkCentre M93?

It delivers up to 450 watts of continuous power to the motherboard, CPU and drives inside that chassis.

How does the AT type affect which systems this unit can power?

The AT design matches the proprietary connector layout used by the listed ThinkCentre and ThinkServer models.

What physical space is needed to fit this supply into a ThinkServer TS140?

It mounts directly into the standard PSU bay of the TS140 without adapters or modifications.

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