We recommend using a high-speed memory card in order to realize the fastest transfer rate.
Currently, only high-speed memory cards, such as SDXC, CF (UDMA), Micro SDXC, HX MS, etc., are able to take full advantage of the USB 3.0 card reader’s capability. The transfer speed of the USB 3.0 card reader is limited by the specification of the memory card in question. The transfer speeds of the USB 3.0 and USB 2.0 card readers are almost the same.
In addition, your memory card may not be readable on certain older operating systems, so please make sure your system patch has been updated. Please check the lock setting on your memory card to make sure it isn’t locked. The USB 3.0 card reader supports high-speed and high-capacity memory cards. Why can’t the card reader identify my memory card? Please note that the actual transfer speed will depend on the specific usage environment. Taking usage conditions into consideration, the USB 3.0 standard can achieve transfer speeds about 3 times faster than that of the USB 2.0 standard. The USB 3.0 transfer rate of 5Gbps (with a theoretical transfer speed of 500MB/s), therefore, is about 8 times faster than the mainstream USB 2.0 transfer rate of 480Mb/s (with a theoretical transfer speed of 60MB/s).
The USB 2.0 standard uses 8-bit encoding, while the USB 3.0 standard uses 10-bit encoding (8-bit for data transfer purposes + 2-bit for data control purposes). Why is the transfer rate so much slower than the 5Gbps promoted? For information on the reader’s compatibility with specific card types, please refer to your card’s instruction manual.
The USB 3.0 card reader supports the vast majority of memory cards on the market, including SDXC cards up to 2 TB, as well as the latest UHS-I specification. Is the USB 3.0 card reader fully compatible with all memory cards on the market? Currently, only high-speed memory cards, like SDXC, CF (UDMA), Micro SDXC, HX MS, etc., are able to take full advantage of the USB 3.0 card reader’s capability. The transfer speed of the USB 3.0 card reader is limited by the specification of the memory card. In addition, your memory card may not be able to be identified in certain older operating systems, so please make sure your system patch has been updated.
The actual transfer speed depends on the specific environment the product is used in. Taking current usage conditions into consideration, the transfer speed can achieve about 3 times that of USB 2.0. The USB 3.0 transfer rate of 5Gbps, with a theoretical transfer speed of 625MB/s, is about 10 times faster than the mainstream USB 2.0 transfer rate of 480Mb/s, which has a theoretical transfer speed of 60MB/s. Why is the transfer rate far slower than 5Gbps as promoted?
Repeat steps 4-7 for any remaining devices in the Universal Serial Bus Controllers section with “Root Hub” in the name.Q1. Right-click the first USB Root Hub device and select Properties.Ĭlear the box next to Allow the computer to turn off this device to save power. On your desktop, right-click the My Computer icon and select Properties.Įxpand Universal Serial Bus controllers by clicking the arrow to the left of it. Note: You may need to disconnect and re-connect your USB device after applying these settings to re-establish the connection.Ĭlick the Start button and select Control Panel.
On your keyboard, press the Windows key + X and select Control Panel.Ĭlick Hardware and Sound, then click Power Options.Ĭlick Change plan settings for the plan you want to change.Ĭlick the plus sign (+) next to “USB settings” and “USB selective suspend setting” to expand the options and change the setting to Disabled.
The steps below outline how to configure the USB root hub to stay on during hibernation, to prevent this from happening. If the USB device does not work after your computer has been in extended hibernation, it is likely that Windows has automatically turned off the USB Root hub to save power.