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Portable 4-port USB-A 5Gbps mini hub black
A compact black four-port USB-A 5Gbps hub with Genesys Logic GL3522, bus power and a built-in 145mm host cable for portable laptop connectivity.

Key capabilities
Four USB-A 5Gbps ports
Expands one USB-A host connection into four USB 3.2 Gen 1 ports.
Genesys Logic GL3522
The exact supplied/current technical specification identifies the hub controller as GL3522.
Bus-powered operation
No external power adapter is required.
Compact built-in cable
Integrated 145mm / 5.7in USB-A host cable supports travel and mobile use.
What to know before buying
The 5Gbps bandwidth is shared across active devices. The hub is backward compatible with older USB devices, which operate at their supported lower speeds.
Australian version and manufacturer warranty
This item is the Australian version supplied by DeviceDeal and is covered by the official StarTech.com 2-year manufacturer warranty in Australia.
Please retain your DeviceDeal tax invoice as proof of purchase. Warranty coverage and claims are subject to StarTech.com warranty terms, eligibility requirements and product assessment.
Frequently asked questions
How many USB ports does ST4300MINU3B provide?
What is the maximum transfer rate?
Which chipset does it use?
How is it powered?
How long is the built-in cable?
What colour is this exact model?
Does it require drivers?
What warranty applies in Australia?
(ST4300MINU3B)
Features and highlights
Four USB-A 5Gbps ports
Expands one USB-A host connection into four USB 3.2 Gen 1 ports.
Genesys Logic GL3522
The exact supplied/current technical specification identifies the hub controller as GL3522.
Bus-powered operation
No external power adapter is required.
Compact built-in cable
Integrated 145mm / 5.7in USB-A host cable supports travel and mobile use.
- 4 × USB-A 5Gbps
- GL3522
- 145mm cable
- 2-year warranty
Specifications
Verified specifications for StarTech ST4300MINU3B.

Warranty Information
| Warranty | 2 Years |
|---|
Hardware
| Ports | 4 |
|---|---|
| Interface | USB 3.2 Gen 1 (5Gbps) |
| Chipset ID | Genesys Logic GL3522 |
| Colour | Black |
| Enclosure | Plastic |
Performance
| Maximum Data Transfer Rate | 5Gbps |
|---|---|
| Backward Compatibility | USB 2.0 and USB 1.1 |
Connector(s)
| Device Ports | 4 × USB-A female |
|---|---|
| Host | 1 × USB-A male built-in cable |
Power
| Power Source | USB-powered |
|---|
Physical
| Cable Length | 145mm [5.7in] |
|---|---|
| Product Size | 80 × 36 × 14mm |
| Weight | 37g |
| SKU | ST4300MINU3B |
| Barcode # | 65030850940 |
| Brand | STARTECH |
| Shipping Weight | 0.1100kg |
| Shipping Width | 0.100m |
| Shipping Height | 0.050m |
| Shipping Length | 0.160m |
| Shipping Cubic | 0.000800000m3 |
StarTech.com warranty in Australia
This item is the Australian version supplied by DeviceDeal and is covered by the official StarTech.com 2-year manufacturer warranty in Australia.
Please retain your DeviceDeal tax invoice as proof of purchase.
Warranty coverage and claims are subject to StarTech.com warranty terms, eligibility requirements and product assessment. This wording does not promise automatic replacement or guaranteed claim approval.
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