StarTech.com SATSASBP425 4-Bay Mobile Rack Backplane for 2.5in SATA/SAS Drives - Hot-Swap Internal Enclosure for 5.25in Bay
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Product Features
Technical Overview
This mobile rack backplane delivers professional-grade storage expansion with support for both SATA III (6 Gbps) and SAS II interfaces, ensuring compatibility with a wide range of enterprise and consumer drives. The dual 40mm cooling fans actively manage airflow to maintain optimal operating temperatures, critical for high-performance SSDs and continuous-operation HDDs.
The NSS connector system is rated for over 50,000 insertion cycles, providing long-term durability in demanding environments. Drive trays are designed for error-free insertion whether the backplane is mounted vertically or horizontally, and they are interchangeable with the StarTech.com 1-bay backplane (SATSASBP125) for flexibility across deployments.
Relevant factors for this section include Number of Hard Drives Supported, Number of Solid State Drive Supported, Number of Total Expansion Bays, Number of 2.5" Bays. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The SATSASBP425 backplane transforms a single 5.25in bay into a versatile four-drive storage array, ideal for applications requiring high capacity, redundancy, or performance tuning. Its design prioritizes operational continuity, thermal management, and hardware protection.
High-Density Storage
Install four 2.5in drives in one bay, supporting SSDs and HDDs from 5mm to 15mm thickness for maximum flexibility.
- 4 drive bays in 5.25in space
- Supports 5-15mm thick drives
- SATA and SAS compatibility
Enhanced Reliability
Built with industrial-grade components including a high-cycle NSS connector and UL 94 V-0 flammability-rated materials for safe, long-lasting operation.
- 50,000+ insertion rating
- UL 94 V-0 flammability rating
- Aluminum and steel construction
Optimized Cooling
Two 40mm fans provide directed airflow across all four drives, reducing heat buildup and extending drive lifespan in high-usage scenarios.
- Active dual-fan cooling
- Metal housing for heat dissipation
- Sustained performance support
Deployment / Use Cases
This backplane is suited for environments where storage expansion, drive redundancy, or frequent media rotation is required. Its hot-swap capability and robust construction make it a practical choice for both production systems and testing labs.
Common applications include adding RAID arrays to workstations, creating backup pools in servers, or building dedicated storage nodes for media editing or virtualization. The interchangeable trays allow seamless integration with existing StarTech.com single-bay enclosures, simplifying inventory management across mixed configurations.
Workstation Storage Expansion
Add multiple drives for projects, scratch disks, or redundant storage without occupying multiple external bays, keeping systems compact and organized.
Server Drive Enclosure
Deploy in rackmount or tower servers to host SSDs for caching or HDDs for bulk storage, with hot-swap enabling quick maintenance or upgrades.
Physical Profile
The backplane features a sleek black finish with dimensions designed to fit precisely into standard 5.25in drive bays. Its all-metal construction not only aids cooling but also provides rigidity and EMI shielding. The compact footprint (1.70" H x 5.70" W x 6" D) ensures compatibility with most desktop and server cases, while the 1.67 lb weight reflects its durable build quality.
- Width
- 5.25"
- Depth
- 6" (152.40 mm)
- Height
- 1.70" (43.18 mm)
- Weight
- 1.67 lb (759.77 g)
What's in the Box
The package includes all necessary components for immediate installation and operation.
Highlights
- Installs four 2.5in SATA or SAS drives into one 5.25in bay
- Hot-swap capable for drive changes without system downtime
- Supports SSDs and HDDs from 5mm to 15mm thickness
- Lockable, removable drive trays for security and protection
- Dual 40mm cooling fans optimize ventilation and thermal performance
- NSS connector rated for 50,000+ insertions for long-term reliability
- Interchangeable trays compatible with 1-bay backplane (SATSASBP125)
- Metal housing enhances heat dissipation and durability
- Supports SAS II and SATA I/II/III with speeds up to 6 Gbps
- Includes all necessary cables, adapters, screws, and keys
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | SATSASBP425 |
| Brand Name | StarTech.com |
| Product Name | 4-Bay Mobile Rack Backplane for 2.5in SATA/SAS Drives |
| Packaged Quantity | 1 Each |
| Product Type | Drive Enclosure |
| Technical Information | |
| Number of Hard Drives Supported | 4 |
| Number of Solid State Drive Supported | 4 |
| I/O Expansions | |
| Number of Total Expansion Bays | 4 |
| Number of 2.5" Bays | 4 |
| Network & Communication | |
| Wireless LAN | No |
| Interfaces/Ports | |
| Drive Interface | SATA/600,Serial Attached SCSI (SAS) |
| Host Interface | Serial ATA/600 |
| Physical Characteristics | |
| Color Family | Black |
| Product Color | Black |
| Product Material | Aluminum,Steel |
| Cooling Fan | Yes |
| Form Factor | Internal |
| Compatible Drive Bay Width | 5.25" |
| Height | 1.70" (43.18 mm) |
| Width | 5.70" (144.78 mm) |
| Depth | 6" (152.40 mm) |
| Weight (Approximate) | 1.67 lb (759.77 g) |
| Miscellaneous | |
| Package Contents | 4-Bay Mobile Rack Backplane for 2.5in SATA/SAS Drives 2 x Drive Tray Keys 4 x 2.5" Drive Trays 4 x 18" SATA Data Cables 2 x SATA to Molex Power Adapters 16 x Drive Mounting Screws 8 x Backplane Mounting Screws 1 x Quick Start Guide |
| Country of Origin | Taiwan |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS),Waste Electrical and Electronic Equipment Directive (WEEE),Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) |
| Warranty | |
| Limited Warranty | 2 Year |
User Manual
FAQ
How many drives can this backplane hold and what size are they?
The SATSASBP425 backplane holds four 2.5in drives. It supports both solid-state drives and hard disk drives, accommodating thicknesses from 5mm to 15mm, which covers most consumer and enterprise 2.5in drive models.
What drive interfaces are supported by this mobile rack backplane?
This backplane supports SATA/600 (SATA III) and Serial Attached SCSI (SAS) interfaces. The host connection uses a Serial ATA/600 interface, providing compatibility with SATA I, II, and III drives as well as SAS II drives for flexible storage configurations.
Does this backplane support hot-swap functionality?
Yes, the SATSASBP425 is designed for hot-swap operation. You can insert or remove drives while the system is powered on, making it ideal for environments requiring continuous uptime, drive maintenance, or quick storage upgrades without interrupting operations.
What cooling features are included to prevent drive overheating?
The backplane includes two 40mm cooling fans that provide active airflow across all four drive bays. Combined with the aluminum and steel housing that enhances heat dissipation, this cooling system helps maintain safe operating temperatures for both SSDs and HDDs during extended use.
Are the drive trays lockable and are they interchangeable with other StarTech.com backplanes?
Yes, each of the four drive trays is lockable using the included keys, providing physical security for your drives. These trays are also interchangeable with the StarTech.com 1-bay backplane (model SATSASBP125), allowing you to use the same trays across different enclosure models for consistency.
What is included in the package for installation?
The package includes the 4-bay backplane unit, four 2.5in drive trays, two drive tray keys, four 18-inch SATA data cables, two SATA to Molex power adapters, 16 drive mounting screws, eight backplane mounting screws, and a quick start guide. All necessary hardware is provided for immediate installation into a standard 5.25in drive bay.
| Qty | Price | Available |
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