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Rosewill Internal Hard Drive Enclosure - 3 x 5.25" to 4 x 3.5" Hot-Swap Enclosure - SATA I/II/III/ & SAS HDD - RSV-SATA-Cage-34
- Smart Space Saver: Hot-Swap supported HDD cage converts space of 3x 5.25" CD-ROM / DVD-ROM to 4x 3.5" or 2.5" SATA I, SATA II, SATA III, or SAS HDD tray.
- Reliable Cooling: Engineered with optimal cooling in mind. A single rear 120mm exhaust fan produces effective airflow and cooling.
- Rugged Design: Made of durable steel and ABS materials to ensure years of reliable use.
- Compatible with Rosewill model L4000U / L4500U / R4000U
- RSV-SATA-Cage-34 support SAS 6Gbps only.
Any questions? Ask CelesteSM will help you find out quickly.
The Rosewill RSV-SATA-Cage-34 is a hot-swap HDD cage* which converts space of 3 x 5.25” CD-rom / DVD-rom to 4 x 3.5” or 2.5” SATAI, SATAII, SATAIII, or SAS HDD tray. This cage allows you to make better usage of your server or case spaces.
Note: * To use the Hot-Swap feature, please set motherboard BIOS to AHCI and format the HDD using AHCI.
For reliable performance, the Rosewill RSV-SATA-Cage-34 is engineered with optimal cooling in mind. The one rear 120mm exhaust fan effectively dissipates the heat generated by the HDDs.
Made of durable steel and ABS materials, the Rosewill RSV-SATA-Cage-34 is durable enough to withstand years of use.
Package
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 1 year
- Limited Warranty period (labor): 1 year
- Read full details
Return Policies
- Return for refund until: January 31, 2026
- Return for replacement until: January 31, 2026
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-800-575-9885
- Support Email: techsupport@rosewill.com
- Support Website
- View other products from Rosewill
The Rosewill RSV-SATA-Cage-34 is an internal hot-swap drive cage that converts three 5.25-inch bays into space for four 3.5-inch or 2.5-inch drives, suited to server builders who need to add multiple drives in a compact bay area.
Recommended For
- DIY NAS and home-server builders with three unused 5.25-inch bays who want to add four front-accessible SATA drives without replacing the chassis.
- Home-server operators who periodically replace or rotate SATA drives and want tray-based front access instead of opening the case and reconnecting each drive internally.
- Owners of compatible Rosewill server cases, or other cases with suitable 5.25-inch bays, who want to convert spare optical-drive space into a four-drive hot-swap area.
- SATA-based server builders who want four 3.5-inch or 2.5-inch drives in one cage and can provide the required drive connections, power, and airflow.
Real-World Use Scenarios
- When a home NAS or file server needs more 3.5-inch drives, the cage uses three unused 5.25-inch bays to add space for four drives, letting the owner expand storage without replacing the whole case.
- For a home server or NAS with a supported hot-swap setup, a user can replace a failed drive from the front instead of opening the case and disconnecting cables; hot swapping depends on the system being configured to support it.
- When repurposing an older tower with unused 5.25-inch bays as a TrueNAS or other file server, the cage can add four drive positions for an array; check the case’s internal depth and cable clearance before installation.
- For an unRAID or similar multi-drive server, installing the cage can make routine drive changes less cumbersome by bringing the drive trays to the case front and reducing the need to reach inside for drive connections.
- When upgrading a compatible Rosewill server chassis, the cage can add front-accessible drive bays for a storage build; owners should verify the chassis fit and power-cable requirements, since installation details can vary by case.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | An internal drive cage for systems with three 5.25-inch bays that need hot-swap support for up to four SATA or SAS hard drives |
| Drive Bays And Compatibility | Uses 3 x 5.25-inch bays for up to four 3.5-inch or 2.5-inch SATA drives, or SAS hard drives; hot-swap is supported for SATA I, II, and III |
| Cooling | One 120 mm exhaust fan provides air cooling |
| Construction And Color | Steel and ABS construction with a black finish |
| Dimensions And Weight | 5.87 x 5.02 x 8.27 inches; 2.65 lb |
| Model Identifiers | Rosewill RSV-SATA-Cage-34 |












































