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Metal bracket with slots to mount a 3.5 drive in a 5.25 bay

iStarUSA Inc.

iStarUSA Inc. RP-HDD3.5 3.5" to 5.25" Server Accessory

SKU CH-3ADK-MTSGF MPN RP-HDD3.5

Mounts a 3.5" drive into a 5.25" server bay for secure installation

  • Key features3.5 in to 5.25 in Hard Drive Mounting Bracket
  • Mount a 3.5" drive in a 5.25" bay
  • Hard-disk mounting bracket for server builds
  • Fits standard 3.5" and 5.25" form factors
  • Manufactured in Taiwan by iStarUSA

3.5" Drive to 5.25" Bay Adapter

This mounting bracket converts a standard 3.5" hard drive for installation in a 5.25" drive bay. It provides a secure mechanical fit for servers and workstations that only offer larger front-accessible slots. The accessory is designed for system integrators and IT professionals upgrading or maintaining legacy chassis configurations.

Single-Drive Installation Constraint

The bracket accommodates exactly one 3.5" drive per 5.25" bay, so storage density remains limited to the number of available front bays. It does not support 2.5" drives or multiple devices in a single slot. Builders needing hot-swap capability or higher drive counts must use a dedicated backplane or enclosure instead.

How it compares

Measured against everything we stock in Drive Cages & Server Add-Ons, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 96% of the 1,119 comparable items (median $74.99).

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Specifications

Product
Brand nameiStarUSA
Model nameRP-HDD3.5
Size & build
Shipping weight0.20 kg
Package size159 × 152 × 108 mm

Questions about this item

Which bracket should I choose for a 3.5 inch hard drive in a 5.25 inch bay?

The RP-HDD3.5 is a single bracket that converts one 5.25 inch bay to accept a 3.5 inch hard disk drive.

How does the 3.5 to 5.25 inch conversion work once installed in the server?

The bracket secures the 3.5 inch drive inside the larger 5.25 inch bay opening, aligning the drive with the server's mounting points.

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