
4 Bay 3.5" SATA / SAS Backplane for 3 5.25" Bays Trayless
Product ID: HSB43SATSASB
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.
www.startech.com
1 800 265 1844

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.
www.startech.com
1 800 265 1844

Certifications, Reports
and Compatibility
Applications
• Provides a cost-effective solution for building or upgrading computer
systems for organizations such as government agencies, small-tomedium 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
Features
• 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
• Supports SAS I/II and SATA I/II/III
• Insertion rating of 50,000 cycles
• Two fans and venting to optimize heat dissipation
www.startech.com
1 800 265 1844

Warranty 2 Years
Hardware Compatible Drive Types SAS & SATA
Drive Installation Fixed
Drive Size 3.5in
Fan Bearing Type Dual Ball Bearing
Fan(s) Yes
Fans 2 - 40 mm
Front Door Key Lock Yes
Interface SATA
SAS
Number of Drives 4
Number of internal 3.5 inch bays 4
Performance Air Flow Rate 4.48 CFM
Hot Swap Capability Yes
Insertion Rating 50,000 cycles
Max Drive Capacity Currently tested with up to 10TB 7200 RPM hard drive
Maximum Data Transfer Rate 6 Gbps
Noise Level 21.13 dBA
Type and Rate SATA/SAS 6 Gbps
Connector(s) Drive Connectors 4 - 29 pin SAS SFF-8482 Female
Host Connectors 1 - 22 pin SATA / SAS Data + Power (7 + 15 pin)
Receptacle
Other Interface(s) 1 - 4 Pin Fan/LED
Software OS Compatibility OS independent; No software or drivers required
Indicators LED Indicators 4 - Drive Power/Activity
Environmental Humidity 5% ~ 65%
Operating Temperature 0⁰C to 55⁰C (32°F to 131°F)
Storage Temperature -20⁰C to 55⁰C (-4°F to 131°F)
Physical
Characteristics
Color Black
Enclosure Type Plastic and Aluminum
Max Drive Height 1 in [26.1 mm]
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1 800 265 1844

Product Height 5 in [127 mm]
Product Length 7.7 in [195 mm]
Product Weight 47.7 oz [1352 g]
Product Width 5.8 in [148 mm]
Packaging
Information
Shipping (Package) Weight 0.3 lb [0.1 kg]
What's in the Box Included in Package 1 - mobile rack
4 - SATA cables
4 - LP4 to SATA & LED power cable adapters
2 - SATA to SATA & LED Y power cable adapters
8 - installation screws
1 - quick-start guide
Product appearance and specifications are subject to change without notice.
www.startech.com
1 800 265 1844