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Silver rectangular ExpressCard 34mm adapter with two blue USB 3.0 ports

BONAEVER

BONAEVER ExpressCard 34mm to USB 3.0 2-Port Adapter

SKU CH-GN4H-EJBVM

Adds two USB 3.0 ports to a 34 mm ExpressCard slot, delivering up to 5 Gbps transfer rates

  • Case styleProtection Case
  • Adds two USB 3.0 ports via 34mm ExpressCard slot
  • 5Gbps transfer speed for fast data movement
  • Backward compatible with USB 2.0 and 1.1 devices
  • Works with Windows 2000 through Windows 10
  • Includes protective case for safe transport

ExpressCard 34mm USB 3.0 adapter

This adapter adds two USB 3.0 ports to a laptop or desktop that has a 34mm ExpressCard slot. It is aimed at users who need extra high-speed connections for external drives or peripherals on older hardware. The card fits the 34mm form factor and is not compatible with 25mm or 54mm slots. Apple laptops are not supported.

34mm ExpressCard slot required

The single deciding specification is the physical 34mm ExpressCard slot on the host machine. If the system only offers a 25mm or 54mm slot, the card will not fit and cannot function. Driver installation is mandatory on every supported Windows version before the ports become active.

Sustained transfer at 5Gbps

Under continuous load the adapter maintains the USB 3.0 SuperSpeed rate of 5Gbps, falling back to 480Mbps High-Speed and 12Mbps Full-Speed for legacy devices. The dual ports share the ExpressCard bandwidth, so simultaneous heavy transfers on both ports will divide the available throughput.

How it compares

Measured against everything we stock in PCIe Expansion Cards, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 85% of the 891 comparable items (median $30.99).

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Specifications

Size & build
Case styleProtection Case

Questions about this item

What does the 5 Gbps transfer rate mean when I plug devices into the adapter?

The 5 Gbps figure is the Super-Speed ceiling of the USB 3.0 ports; real-world throughput will be lower and depends on the connected drive or peripheral.

Which ExpressCard slot width does this adapter fit?

It fits a 34 mm ExpressCard slot only; it will not work in 25 mm or 54 mm slots.

Does the card need any extra power or brackets to install?

No external power or mounting bracket is required; the card draws power from the slot and inserts directly.

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