4 Bay 3.5" SATA / SAS Backplane for 3 5.25" Bays - Trayless

Hot swap up to four 3.5” SATA or SAS hard drives using three 5.25” bays


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  • Hot swap drives between systems, using up to four 3.5” SATA or SAS drives in three 5.25” front bays
  • Durable plastic and aluminum construction
  • Trayless design for ease of use
Your price
$157.99 SGD
VAT not included in the price

This 4-bay 3.5" SATA/SAS backplane, installed into three standard 5.25” front drive bays, makes it easy to swap 3.5” SATA or SAS drives in and out of your server or desktop computer. It features a trayless design that saves you installation time and enables you to insert or remove drives as needed. With its durable plastic and aluminum construction, it provides a cost-effective solution for drive maintenance and interchangeability of data between multiple systems.

Hot-swap drives easily

This 4-bay backplane is ideal for IT professionals, such as system administrators or computer operators, for quickly swapping drives. With support for both SATA and SAS 3.5” drives, it saves valuable time in environments where storage drives need to be replaced or removed regularly, such as in server rooms and data centers.

The hot-swap backplane is a cost-effective solution for large deployments of system builds or upgrades, for organizations looking to stretch their IT budget.

Valuable drive protection

The protective backplane is engineered with a plastic and aluminum design to safeguard your drives. Two built-in fans and ventilation help to optimize heat dissipation, to help protect your drives.

Fast data transfers

To maximize the speed and performance of your drives, the mobile rack supports SAS I and II and SATA I, II and III, providing data transfer speeds up to 6Gbps when paired with a compatible controller.

The HSB43SATSASB is backed by a StarTech.com 2-year warranty and free lifetime technical support.


  • Provides a cost-effective solution for building or upgrading computer systems for organizations such as government agencies, small-to-medium businesses, educational institutions, medical facilities, and military organizations
  • Provides easy hot-swapping of drives in environments where drives need to be replaced or removed regularly, such as server rooms and data centers
  • Ideal for use in industrial or enterprise storage applications such as data backup, recovery, and archiving

Partner Numbers

  • UPC 065030872836


  • OS Independent logo
OS independent; No software or drivers required


Warranty Information Warranty 2 Years
Connector(s) 4 - Drive Connectors 29 pin SAS SFF-8482 Female
4 - Host Connectors SATA Data & Power Combo (7+15 pin)
4 - Other Interface(s) 4 Pin Fan/LED
Environmental Operating Temperature 0⁰C to 55⁰C (32°F to 131°F)
Storage Temperature -20⁰C to 55⁰C (-4°F to 131°F)
Humidity 5% ~ 65%
Hardware Front Door Key Lock Yes
Fan(s) Yes
2 - Fans 40 mm
Interface SATA
Number of Drives 4
Drive Size 3.5in
Compatible Drive Types SAS & SATA
Drive Installation Fixed
Number of internal 3.5 inch bays 4
Fan Bearing Type Dual Ball Bearing
Indicators 4 - LED Indicators Drive Power/Activity
Packaging Information Shipping (Package) Weight 4.2 lb [1.9 kg]
Package Length 10.0 in [25.5 cm]
Package Width 7.2 in [18.3 cm]
Package Height 8.5 in [21.5 cm]
Performance Air Flow Rate 4.48 CFM
Noise Level 21.13 dBA
Maximum Data Transfer Rate 6 Gbps
Type and Rate SATA/SAS 6 Gbps
Max Drive Capacity Currently tested with up to 10TB 7200 RPM hard drive
Hot Swap Capability Yes
Insertion Rating 50,000 cycles
Physical Characteristics Color Black
Material Plastic and Aluminum
Max Drive Height 1.0 in [26.1 mm]
Product Length 7.7 in [19.5 cm]
Product Width 5.8 in [14.8 cm]
Product Height 5.0 in [12.7 cm]
Weight of Product 3.2 lb [1.4 kg]
Software OS Compatibility OS independent; No software or drivers required
What's in the Box 1 - Included in Package mobile rack
4 - Included in Package SATA cables
LP4 to SATA & LED power cable adapters
2 - Included in Package SATA to SATA & LED Y power cable adapters
8 - Included in Package installation screws
1 - Included in Package quick-start guide


Talk to an Advisor

We are always ready to assist you with any questions you may have.

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Product Support

Talk to an Advisor

We are always ready to assist you with any questions you may have.

Live Chat (opens in new window)

Compliance and safety

Compliance letters

Safety Measures

  • If product has an exposed circuit board, do not touch the product under power.
  • If Class 1 Laser Product. Laser radiation is present when the system is open.
  • Wiring terminations should not be made with the product and/or electric lines under power.
  • Product installation and/or mounting should be completed by a certified professional as per the local safety and building code guidelines.
  • Cables (including power and charging cables) should be placed and routed to avoid creating electric, tripping or safety hazards.
*Product appearance and specifications are subject to change without notice.

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