I’ve been looking for a way to upgrade to USB 3 speeds without replacing my motherboard and this card looks like an inexpensive way of doing it. Maybe some tech guys can let us know what they think. Hope this helps.
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If you are not ready yet to switch out your motherboard, Transcend's USB 3.0 Expansion Card will allow you an opportunity to reap the benefits of USB 3.0 transfer speeds. This easy-to-install card enables you to add revolutionary new USB 3.0 ports to any desktop computer with a PCI Express slot, delivering data transfer rates up to 10 times faster than Hi-Speed USB (USB 2.0) with optimized power efficiency.
The Expansion Card's PCI Express 2.0 x1 connection interface is compatible with virtually all current motherboards, and guarantees unrestricted two-way communication between your PC and any USB devices you plug into the card. With two SuperSpeed USB 3.0 ports, which have bandwidth up to 5Gb/s, Transcend's USB 3.0 Expansion Card is ideal for use with new USB 3.0 high-capacity external storage devices, such as external hard drives and USB flash drives.
Transcend TS-PDU3 USB 3.0 Expansion Card
Add USB 3.0 ports to any desktop computer with a PCI Express slot
Connection bandwidth up to 5Gbits per second (in USB 3.0 mode)
Ultra-fast PCI Express interface eliminates speed bottlenecks
Installs easily in any PCIe slot, including x1 and x16 slots
Backwards compatible with USB 2.0 and USB 1.1 devices
Supports PCI bus power management interface rev. 1.2
Compact size saves space and inside your PC
Fully compatible with PCI Express 2.0
Two external USB 3.0 ports
Two year warranty