Product Type | Card Adapter |
Form Factor | Plug-In Card |
Application | Add USB 3.0 ports to ExpressCard-enabled laptops |
Bus Type | ExpressCard (54mm) |
Part Number | ECUSB3S254F |
Included Accessories | Instruction manual |
Weight | 58 g |
Enclosure Material | Aluminum and Plastic |
Color | Black & Silver |
Power Source | Bus-powered |
Chipset ID | Renesas / NEC µPD720202 |
STARTECH Flush Mount 54mm ExpressCard USB 3.0 Adapter, 2-Port





Key Benefits

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- Upgrades older laptops with ExpressCard slots to high-speed USB 3.0 capability, supporting modern peripherals
- Flush-mount design provides minimal protrusion for a clean and portable solution
- Includes 2-year service and support from STARTECH, ensuring long-term product reliability and assistance
Product Overview
Add two flushmount USB 3.0 ports to your ExpressCard-enabled laptop - 2 Port Flush Mount 54mm ExpressCard USB 3.0 Card Adapter with UASP Support - ExpressCard USB 3 Controller - USB 3.0 Expresscard - Laptop Card - USB 3.0 Adapter - USB3 CardSpecifications
Product Overview
Wireless Features
Wireless Support |
Compliance & Origin
RoHS Compliant | Yes |
REACH Compliant | Yes |
Certifications | CE, FCC |
TAA Compliant | Yes |
Country of Origin | Taiwan |
Advanced Security Features
Hardware Encryption | |
Access Control |
Interfaces
Interface Type | ExpressCard |
Connector Type | USB 3.0 Type-A |
Ports Quantity | 2 |
Interface Bandwidth | 5 Gbps (USB 3.0 SuperSpeed) |
Interface Standard | USB 3.0 |
Compatible Interfaces | USB 3.0/USB 2.0/USB 1.1 |
UASP Support | Yes |
Hot Swap Capability | Yes |
Backward Compatibility | USB 2.0/1.1 compatible |
Physical & Environmental
Width | 2.1 Inch |
Depth | 2.9 Inch |
Height | 0.2 Inch |
Unit Dimensions (Metric) | 56 mm x 75 mm x 5 mm |
Operating Temperature | 0°C to 85°C (32°F to 185°F) |
Storage Temperature | -10°C to 85°C (14°F to 185°F) |
Humidity (Operating) | 10% ~ 90% RH, non-condensing |
Cloud Management & Licensing
Cloud Management | |
License Requirement | No licensing required |