ST521PMINT - Expansion card StarTech.com - Free user manual and instructions
Find the device manual for free ST521PMINT StarTech.com in PDF.
| Product Type | Network Switch |
| Model Number | ST521PMINT |
| Brand | StarTech.com |
| Dimensions (L x W x H) | 10.5 x 6.3 x 1.7 inches |
| Weight | 1.2 lbs (0.54 kg) |
| Power Supply | External power adapter, 100-240VAC, 50/60Hz |
| Power Consumption | 12W maximum |
| Number of Ports | 5 |
| Data Transfer Rate | 10/100/1000 Mbps |
| Main Functions | Network connectivity, plug-and-play, auto-negotiation, LED status indicators |
| Maintenance | Clean with a dry cloth; keep vents unobstructed |
| Safety Precautions | Overload protection, avoid exposure to moisture, use only supplied adapter |
| Spare Parts Availability | Power adapter available separately; other parts not repairable |
| Repairability | No user-serviceable parts; contact support for defects |
| General Information | Supports VLAN, QoS, and energy-saving features |
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USER MANUAL ST521PMINT StarTech.com
5-Port SATA III Port Multiplier Adapter Card
ST521PMINT

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Close-up of a green PCI expansion card with black connectors and circuitry (no visible text or symbols)*actual product may vary from photos
For the most up-to-date information, please visit: www.startech.com
FCC Compliance Statement
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Consult the dealer or an experienced radio/TV technician for help
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by StarTech.com could void the user's authority to operate the equipment.
Industry Canada Statement
This Class B digital apparatus complies with Canadian ICES-003.
Use of Trademarks, Registered Trademarks, and other Protected Names and Symbols
This manual may make reference to trademarks, registered trademarks, and other protected names and/or symbols of third-party companies not related in any way to StarTech.com. Where they occur these references are for illustrative purposes only and do not represent an endorsement of a product or service by StarTech.com, or an endorsement of the product(s) to which this manual applies by the third-party company in question. Regardless of any direct acknowledgement elsewhere in the body of this document, StarTech.com hereby acknowledges that all trademarks, registered trademarks, service marks, and other protected names and/or symbols contained in this manual and related documents are the property of their respective holders.
Table of Contents
Introduction....1
System Requirements....1
Package Contents .... 1
Product Diagram....2
Front View 2
Rear View....2
Hardware Installation....3
Bracket Installation....3
System Installation 4
Technical Support 7
Warranty Information....7
Introduction System Requirements
• 1x computer system with available SATA port (Port Multiplier support required)
- 5x SATA HDD / SSD
Package Contents
• 1X – 5-Port SATA III Port Multiplier Adapter Card (ST521PMINT)
- 1X – SATA Cable
• 1X – SATA Power Y Splitter Cable Adapter – M/F
- 1x – Low Profile Bracket
• 1X – Instruction Manual
WARNING! Hard drives and storage controllers require careful handling. If you are not careful with your hard disk, lost data may result. Always handle your hard drive and storage device with caution. Be sure that you are properly grounded by wearing an anti-static strap when handling computer components or discharge yourself of any static electricity build-up by touching a large grounded metal surface (such as the computer case) for several seconds.
Product Diagram
Front View
- Installation Bracket (Full Profile Bracket installed).

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Close-up of a green PCI expansion card with visible circuitry and connectors (no text or symbols)Rear View
- LED headers.
- Power connection port.
- Host computer SATA connection port.
- SATA drive connection ports.

Hardware Installation
Bracket Installation
- Remove the undesired bracket by unscrewing the bracket screws from the top of the ST521PMINT board using a small Phillips head screw driver (not included).

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Close-up of a green printed circuit board with connectors and ports, no visible text or symbols- Replace the undesired bracket with your desired bracket lining up the mounting holes on the bracket with the bracket holes on the bottom of the ST521PMINT.

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Close-up of a green printed circuit board with visible components and connectors, no readable text or symbols present.- Drive the screws through the bracket holes on the ST521PMINT into the mounting holes on your desired bracket using the small Philips head screw driver.

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Close-up of a green printed circuit board with visible components and connectors (no readable text or symbols)- Your desired bracket has now been installed.
System Installation
Note: The SATA controller that the ST521PMINT is connected to must support Port Multiplier.
- Open your computer case (refer to the computer case user manual for details), and place the ST521PMINT into an available expansion slot.
- Using a computer case screw (not included) and the appropriate corresponding screw driver (not included), drive the screw into the computer case through the case mounting hole on the mounting bracket (refer to the computer case user manual for details).
- Connect the included SATA cable from your motherboard to the Host computer SATA connection port on the ST521PMINT.

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Close-up of a green PCI expansion card with internal components and a blue highlighted section (no text or symbols visible)- Connect a SATA Power cable from your power supply to the power connection port on the ST521PMINT.

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Close-up of a green PCI expansion card with visible circuitry and connectors, no text or symbols present.- Using SATA cables (not included), connect each of your five SATA drives to the SATA drive connection ports on the ST521PMINT.

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Close-up of a green PCI expansion card with visible circuitry and connectors, mounted on a silver hardware bracket (no text or symbols)Note: Ensure each of the SATA hard drives are powered from your computer power supply.
- (Optional) If your computer case supports HDD activity LEDs you can connect the LED cables from your computer case to the LED headers on the ST521PMINT enabling your computer case to indicate to you when your hard drives are being accessed. Use diagram below to determine which LED indicator represents each SATA connector.

Note: HOST LED will indicate for any activity from any of the drives connected to the ST521PMINT.
- Replace the cover on your computer system, and installation is now completed.
Technical Support
StarTech.com's lifetime technical support is an integral part of our commitment to provide industry-leading solutions. If you ever need help with your product, visit www.startech.com/support and access our comprehensive selection of online tools, documentation, and downloads.
For the latest drivers/software, please visit www.startech.com/downloads
Warranty Information
This product is backed by a two year warranty.
In addition, StarTech.com warrants its products against defects in materials and workmanship for the periods noted, following the initial date of purchase. During this period, the products may be returned for repair, or replacement with equivalent products at our discretion. The warranty covers parts and labor costs only. StarTech.com does not warrant its products from defects or damages arising from misuse, abuse, alteration, or normal wear and tear.
Limitation of Liability
In no event shall the liability of StarTech.com Ltd. and StarTech.com USA LLP (or their officers, directors, employees or agents) for any damages (whether direct or indirect, special, punitive, incidental, consequential, or otherwise), loss of profits, loss of business, or any pecuniary loss, arising out of or related to the use of the product exceed the actual price paid for the product. Some states do not allow the exclusion or limitation of incidental or consequential damages. If such laws apply, the limitations or exclusions contained in this statement may not apply to you.
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StarTech.com is an ISO 9001 Registered manufacturer of connectivity and technology parts. StarTech.com was founded in 1985 and has operations in the United States, Canada, the United Kingdom and Taiwan servicing a worldwide market.