StarTech.com ECUSB3S254F 2-Port Flush Mount ExpressCard 54mm USB 3.0 Adapter - 5Gbps - UASP Support
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Product Features
Technical Overview
Engineered to meet rigorous technical standards, the ECUSB3S254F complies with USB 3.0 base specification 1.0 and xHCI specification 0.95, ensuring reliable interoperability with a wide range of USB 3.0 devices. It also adheres to PCI Express specification 2.0, providing a stable host interface that leverages the ExpressCard slot's capabilities.
The adapter includes an optional external DC power connector, allowing it to supply additional power to connected devices when needed. This feature is particularly useful for powering bus-powered hard drives or other peripherals that require stable power delivery beyond what the ExpressCard slot typically provides.
Relevant factors for this section include Media Supported, Host Interface, Height, Width. 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
This adapter stands out with its flush-mount form factor, which integrates seamlessly into the laptop chassis for a professional finish. The design minimizes the risk of damage during transport and maintains the sleek profile of mobile workstations.
High-Speed Data Transfer
With support for 5 Gbps transfer rates and UASP, the adapter maximizes throughput for fast backups, media editing, and data synchronization tasks.
- Reduces transfer times for large files
- Improves efficiency in multi-device setups
Broad Device Compatibility
Backward compatibility with USB 2.0 and 1.x devices ensures that older peripherals remain functional, providing a versatile connectivity solution.
- Works with legacy USB devices
- No need for separate adapters
Deployment / Use Cases
The ECUSB3S254F is well-suited for business and professional environments where laptops need expanded USB connectivity without compromising portability. Its flush-mount design makes it ideal for field technicians, consultants, and mobile professionals who require reliable high-speed access to external drives, docking stations, or specialized hardware.
In office settings, this adapter can transform a standard laptop into a more capable workstation by adding USB 3.0 ports for fast external SSDs, multiple monitors via USB adapters, or peripherals like card readers and printers. The optional external power support adds flexibility for powering devices that demand stable current, such as bus-powered RAID enclosures or high-performance audio interfaces.
Physical Profile
Measuring 0.20" in height, 2.13" in width, and 2.91" in depth, the adapter has a compact footprint that fits standard ExpressCard/54 slots. The low-profile, flush-mount design ensures it sits nearly flush with the laptop surface, reducing the risk of accidental dislodgement and maintaining a clean aesthetic. The slim form factor is particularly advantageous for users who frequently transport their laptops, as it avoids protrusions that could catch on bags or desks.
- Width
- 2.13" (54 mm)
- Depth
- 2.91" (74 mm)
- Height
- 0.20" (5 mm)
What's in the Box
The package includes all necessary components for immediate installation and use.
Highlights
- Adds two USB 3.0 SuperSpeed ports to ExpressCard/54 laptops
- Supports transfer rates up to 5 Gbps for fast data transfers
- UASP support improves efficiency and reduces CPU overhead
- Backward compatible with USB 2.0 and 1.x devices
- Flush-mount design integrates cleanly into laptop chassis
- Optional external DC power connector for additional device power
- Compliant with USB 3.0, xHCI, and PCI Express specifications
- TAA compliant and environmentally friendly with RoHS, REACH, WEEE
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | ECUSB3S254F |
| Brand Name | StarTech.com |
| Product Name | 2 Port Flush Mount ExpressCard 54mm SuperSpeed USB 3.0 Card Adapter |
| Product Type | ExpressCard Adapter |
| Technical Information | |
| Media Supported | ExpressCard/54 |
| Host Interface | ExpressCard/54 |
| Physical Characteristics | |
| Height | 0.20" (5 mm) |
| Width | 2.13" (54 mm) |
| Depth | 2.91" (74 mm) |
| Miscellaneous | |
| Package Contents | 1 x ExpressCard USB 3.0 Card 1 x USB to DC Power Adapter Cable 1 x Driver CD 1 x Instruction Manual |
| Country of Origin | Taiwan |
| TAA Compliant | Yes |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS),Registration, Evaluation, Authorization and Restriction of Chemicals (REACH),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | 2 Year |
User Manual
FAQ
What types of laptops are compatible with this ExpressCard adapter?
This adapter is compatible with laptops that have an ExpressCard/54 slot. It is designed to fit standard 54mm ExpressCard slots commonly found in business and professional laptops from various manufacturers. Before purchasing, verify that your laptop includes an ExpressCard/54 slot, as some newer models may use different expansion interfaces.
Does this adapter support USB 3.0 transfer speeds, and what is the maximum rate?
Yes, the adapter supports USB 3.0 SuperSpeed with a maximum data transfer rate of 5 Gbps. This enables significantly faster file transfers compared to USB 2.0, making it suitable for tasks like backing up large files, transferring media, or connecting high-speed external storage devices.
What is UASP support, and how does it benefit data transfers?
UASP (USB Attached SCSI Protocol) support improves data transfer efficiency by reducing CPU overhead and latency. It allows the adapter to handle multiple commands simultaneously, which can result in faster transfer speeds and better performance when using compatible devices like external SSDs or hard drives.
Is this adapter backward compatible with older USB devices?
Yes, the adapter is backward compatible with USB 2.0 and USB 1.x devices. This means you can connect older peripherals such as keyboards, mice, printers, or external drives, and they will function normally, though at their native USB 2.0 or 1.x speeds.
What is included in the package with the adapter?
The package includes the ExpressCard USB 3.0 card, a USB to DC power adapter cable for optional external power, a driver CD for installation, and an instruction manual. These components provide everything needed for setup and use, though drivers may also be available online for systems without optical drives.
What warranty does this StarTech.com adapter come with?
The adapter comes with a 2-year limited warranty from StarTech.com. This warranty covers defects in materials and workmanship under normal use, providing assurance of product reliability and support for business and professional applications.
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