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Silver rectangular server power supply unit with rear handle and ventilation grille

DELL

DELL 350W Redundant Power Supply for PowerEdge R420 Server

SKU CH-75QT-5R9J4

350 W redundant power supply for Dell PowerEdge R420 servers, weighing 5.0000 LBS

  • Product weight5 lb (2.27 kg)
  • 350 W output powers the PowerEdge R420 server
  • Redundant design keeps the system running if one supply fails
  • Dell part Y8Y65 9WR03 P7GV4 ensures exact compatibility
  • 90-day Tekboost warranty covers the unit after purchase
  • Weighs 5.0000 lbs for straightforward rack installation

350W Redundant Supply for R420

This 350W redundant power supply is built for the Dell PowerEdge R420 server. It provides hot-swap redundancy so the server remains online if one unit fails. The part carries Dell part numbers Y8Y65, 9WR03 and P7GV4. It is sold new and includes a 90 day warranty.

Hot-swap module for R420 chassis

The unit slides directly into the R420 power bay without cables or adapters. Its redundant design frees the second bay for a matching module or leaves it available for future expansion. The 5.0000LBS weight matches the original chassis specification. No additional rails or brackets are required for installation.

Steady 350W output under load

The supply delivers a continuous 350W to the R420 under sustained workloads. Redundant operation shares current between modules so each runs cooler during extended use. The 90 day warranty covers the unit through initial deployment and burn-in testing.

How it compares

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

Price $115.99
Cheaper than about 61% of the 3,798 comparable items (median $131.99).

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Specifications

Product
Brand nameDELL
Model name641329915523
Size & build
Product weight5 lb (2.27 kg)

Questions about this item

What is the maximum continuous output before the 350W unit hits its limit?

The supply is rated for 350W continuous output; sustained loads above that will trip the protection circuit.

How much heat and fan noise does the redundant 350W module produce under all-day load?

The unit exhausts waste heat through its rear fan; noise rises with load but stays within Dell's server acoustic spec for the R420 chassis.

Which Dell server chassis must I already have for this 350W redundant supply to fit and connect?

It is designed for the PowerEdge R420 and plugs directly into that server's redundant power bay.

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