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Rectangular metal I/O shield with port cutouts for Dell Optiplex 790

DELL

DELL I/O Shield Optiplex 790 J3C2F

SKU CH-EQNJ-38VX3

Protects the rear ports of an Optiplex 790 motherboard with a factory-cut metal plate

  • Genuine Dell I/O shield designed for Optiplex 790 chassis
  • Protects rear ports from dust and EMI interference
  • Precision-cut openings align with motherboard connectors exactly
  • New old-stock part ready for immediate installation

Dell Optiplex 790 I/O Shield

This replacement shield fits the rear panel cut-out of a Dell Optiplex 790 desktop motherboard. It provides the correct port openings for the board’s integrated connectors. The unit is supplied new and ready for installation during a board swap or chassis rebuild.

Used pull with visual inspection

The shield was removed from a working system and checked for damage or bent tabs. It covers standard connectivity needs for the Optiplex 790 platform. Builders requiring a different form factor or additional port cut-outs will need a shield matched to that specific motherboard model.

How it compares

Measured against everything we stock in Motherboard Add-On Parts, at today’s prices. Recalculated every night.

Price $5.99
Cheaper than about 93% of the 242 comparable items (median $50.49).

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Specifications

Product
Brand nameDell

Questions about this item

Will this I/O shield fit the rear cutout of my existing Optiplex 790 chassis?

The shield is made for the Dell Optiplex 790 desktop motherboard and matches the original port layout for that model.

How can I confirm the shield is seated correctly once installed?

All motherboard ports should align cleanly with the shield openings and the metal tabs should snap firmly into the chassis cutout.

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