i-Star BPU-350HD-BLACK 3X 5.25 to 5X 3.5 2.5 HDD SSD Hot-swap Rack

In this review the i-Star BPU-350HD-BLACK is assessed as a compact hot-swap rack aimed at server and workstation builders who need extra internal storage with good thermal design. The bottom line: this unit is best for users who want a tidy internal solution for multiple SAS or SATA drives with high transfer capability and reliable cooling. It stands out for its aluminum construction with conductive dissipation grooves and a built-in 80mm cooling fan, making it a practical choice when sustained drive performance and hot-swap convenience matter.

Key Features

• Hot-swap and RAID ready: Supports hot-swap drive access and can be used in RAID configurations when paired with an external RAID controller, simplifying maintenance and uptime for servers.
• Aluminum heat-sink body: The aluminum construction and conductive dissipation grooves help pull heat away from drives, reducing thermal throttling during heavy I/O.
• High transfer rate support: Designed for up to 12Gb/s transfer rates so modern SAS and SATA drives can deliver high throughput in RAID or JBOD setups.
• Active cooling and indicators: An 80mm fan subsystem and front LEDs for power, fan and high temperature provide visible system feedback and active airflow for long-term reliability.
• Compact multi-drive layout: Converts a 3X 5.25in bay into five internal 3.5in or 2.5in drive slots, adding storage density without using external enclosures.

Who It's For

The BPU-350HD suits small business servers, NAS builders, and creative workstations that need additional internal storage with hot-swap capability. It is particularly useful for users who plan to populate multiple SAS or SATA drives and want better heat dissipation than a simple plastic tray provides.

It is less suitable for casual desktop upgraders who do not need RAID or hot-swap, or for those who require integrated RAID electronics out of the box, since a separate RAID controller is needed for hardware RAID functions.

Pros & Cons

Pros

• Solid aluminum body and conductive grooves provide effective passive heat dissipation for sustained workloads.
• Supports hot-swap access and fits five 3.5in or 2.5in drives in three 5.25in bays to increase internal storage density.
• Built-in 80mm fan and LEDs for power, fan and high temperature improve operational visibility and cooling.
• Supports high performance transfer rates up to 12Gb/s to match modern drives.

Cons

• Requires an additional RAID controller if hardware RAID is needed, so buyers must budget for extra components.
• Not a plug-and-play external enclosure; installation requires internal bay space and proper cabling inside the chassis.

Specifications

Product Type	Internal hot-swap drive rack
Drive Bays	Converts 3x 5.25in to 5x 3.5in or 2.5in
Material	Aluminum body with conductive dissipation grooves
Cooling	80mm cooling fan subsystem
Indicators	Power, fan and high temperature LEDs
Maximum Transfer Rate	Up to 12Gb/s
Use Case	Internal server RAID and JBOD applications

Our Verdict

The i-Star BPU-350HD-BLACK is a sensible choice for workstation and server builders who need compact, hot-swap-capable internal storage with strong thermal design. It delivers good value when paired with existing host controllers or a separate RAID card, offering high transfer support, visible operating indicators and active cooling in an aluminum chassis that helps keep drives running reliably under load.

Frequently Asked Questions

Does this unit include a RAID controller?
No, the rack supports RAID configurations but requires an additional RAID controller to provide hardware RAID functions.

What drive sizes does it accept?
It converts three 5.25in bays into five internal slots that accept 3.5in or 2.5in SAS/SATA drives.

How does it manage heat?
The aluminum body with conductive dissipation grooves plus an 80mm cooling fan and front-to-back venting provide active and passive cooling for sustained drive performance.