
Port multiplier controller card - 5-port SATA to single SATA III
StarTech ID: ST521PMINT
The ST521PMINT 1-to-5 SATA drive port multiplier lets you connect five individual SATA hard drives to a single
SATA host controller, vastly increasing the storage capacity of your computer system.
The ST521PMINT optimizes port usage enabling you to connect up to five SATA drives to a single SATA port.
To ensure maximum performance the SATA port multiplier supports SATA III host controllers and hard drives,
with transfer speeds up to 6 Gbps, so you can experience fast performance, even with 5 individual drives
connected.
For a hassle-free installation, you can mount the adapter into any new or legacy desktop expansion
slot, including: PCI, AGP, and PCIe. To ensure compatibility with most computer cases, full-profile and lowprofile mounting brackets are included. The HDD adapter also includes HDD activity LED headers, so you
can connect your computer case LEDs to the card for full activity reporting.
The ST521PMINT is backed by a StarTech.com 2-year warranty, and free lifetime technical support.
Applications
Add five hard drives to a computer system with limited SATA ports
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Features
Increase the storage capacity of your computer, by connecting five drives to a single SATA connector
Optimize performance with support for SATA III (6 Gbps)
Wide installation compatibility with included low-profile (half-height), and full-profile brackets
Computer case LED indicator support
Mounts in any available PCI / PCIe expansion bay
Compliant with SATA revision I/II/III (1.5/3.0/6.0 Gbps)
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1 800 265 1844

Technical Specifications
Warranty 2 Years
Chipset ID JMicrom - JMB575A
Compatible Drive Types (Type and
Rate)
SATA
Drive Size 2.5in & 3.5in
Interface SATA
Number of Drives 5
General Specifications Port Multiplier support on the SATA host connection is required
Max Drive Capacity Currently tested with up to 6TB 7200 RPM hard drives
Maximum Data Transfer Rate 6 Gbps
Port Multiplier Yes
RAID No
Type and Rate SATA III (6 Gbps)
Drive Connectors 1 - SATA Data & Power Combo (7+15 pin) Receptacle
Host Connectors 5 - SATA (7 pin; Data) Receptacle
Product Height 4.7 in [120 mm]
Product Length 3.7 in [93 mm]
Product Weight 1.5 oz [43 g]
Product Width 0.7 in [18 mm]
LED Indicators 5 - Drive Activity (header pins)
LED Indicators 1 - Host Activity (header pins)
Humidity 20~80% RH
Operating Temperature 5°C to 50°C (41°F to 122°F)
Storage Temperature -25°C to 70°C (-13°F to 158°F)
Shipping (Package) Weight 0.4 lb [0.2 kg]
Included in Package 1 - 5-Port SATA III Port Multiplier Adapter Card w/ installed full profile
bracket
Included in Package 1 - SATA Cable
Included in Package 1 - SATA Power Y Splitter Cable Adapter - M/F
Included in Package 1 - Low Profile Bracket
Included in Package 1 - Instruction manual
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1 800 265 1844

Certifications, Reports and Compatibility
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1 800 265 1844