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Silver rectangular server PSU with rear fan grille and 24-pin connector

Graviton

Graviton 350W server power supply 8M7N4 non-redundant

SKU CH-SQB9-DVKR5

Delivers 350 W to compatible Dell PowerEdge T320 and T420 servers with active PFC across a 100-264 V input range

  • 350 W maximum output powers demanding server builds
  • 100–264 V input range supports global deployments
  • Active PFC improves power efficiency and stability
  • 24-pin interface fits standard server motherboards
  • Non-redundant design keeps cost and complexity low

350 W Server Power Supply

This 350 W server power supply is built for Dell T320 and T420 systems that require a non-redundant unit. It delivers a maximum output of 350 W through a standard 24-pin interface and includes two D-type bus connectors. The unit operates on a wide 100-264 V input range with active power factor correction.

Replaces Failed or Missing OEM Units

The supply matches the 8M7N4, DF83C, F350E-S0 and DH350E-S0 part numbers used in the T320 and T420 platforms. It is a direct swap when the original unit has failed or when a spare is needed for maintenance. The jump is worth it only if the chassis uses a single non-redundant PSU and no hot-swap redundancy is required.

Non-Redundant 24-Pin Limits

Because the design is non-redundant, a single failure removes all power from the server. The 24-pin connector and two D-type buses limit expansion to configurations that do not need additional 12 V graphics pins or extra modular cables. Systems requiring N+1 redundancy or higher-wattage loads cannot use this unit.

How it compares

Measured against everything we stock in Server & Hot-Plug PSUs, at today’s prices. Recalculated every night.

Price $414.99
Pricier than about 90% of the 3,798 comparable items (median $131.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Will the 24-pin interface and dual D-type bus fit my T420 chassis?

The unit uses a 24-pin main connector and provides two D-type bus connections, matching the T420 and T320 server backplanes.

What is the correct orientation when sliding the 350 W non-redundant PSU into the bay?

Insert the supply with the fan facing the internal airflow path; the latch clicks only when the 24-pin edge seats fully into the chassis connector.

How often should I clean the intake on this active-PFC 350 W supply?

Vacuum the front mesh every three to six months; dust buildup reduces cooling efficiency and can trigger thermal shutdown.

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