FRITZ!Box 7590 Service - Knowledge Base
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USB storage access is slow
Data transmission between a computer and a USB hard drive or USB memory stick connected to the FRITZ!Box is slower than defined in the USB specifications.
Note:All instructions on configuration and settings given in this guide refer to the latest FRITZ!OS for the FRITZ!Box.
1 Enabling USB 3.0 mode
The following step is only necessary if you are using a USB 3.0 storage device:
- Click "Home Network" in the FRITZ!Box user interface.
- Click "USB Devices" in the "Home Network" menu.
- Click on the "USB Settings" tab.
- Enable the option "Power Mode USB 3.0" for the USB port you are using.
- Click "Apply" to save the settings.
Important:If the FRITZ!Box no longer detects the USB storage device when "Power Mode USB 3.0" is enabled, your USB storage device does not correctly identify itself as a USB 3.0 device. In this case, re-enable the "Green Mode USB 2.0" option.
2 Using a USB 3.0 cable
The following step is only necessary if you used a USB cable to connect the USB 3.0 storage device to the FRITZ!Box:
- Use a USB 3.0 cable ("super speed") to connect the USB storage device to the FRITZ!Box. The storage device cannot be integrated as a USB 3.0 device if you use a different type of USB cable.
3 Throughput lower due to functional principle
In the case of integrated systems such as the FRITZ!Box, the highest possible throughput when accessing a USB storage device is lower than that of Windows computers, for example. This is due to its architecture and is influenced by
- software or communications protocols (SMB, FTP, USB remote connection) being used.
- architecture of and file system on the USB storage device (NTFS, FAT/FAT32, ext2/ext3/ext4).
Note:NTFS is a file system from Microsoft that was specially developed for use with Windows operating systems. The implementation of NTFS support by the Linux-based FRITZ!OS is technically sophisticated, which means that access via NTFS is slower than with other file systems.
- the use of encryption techniques (FTPS, FTP over SSL/TLS).
- transmission medium (wireless LAN, LAN) being used.
- FRITZ!Box functions currently in use and the FRITZ!OS being used.
Depending on these factors, throughput rates of up to 95 MB/s (FAT32, FTP) and 35 MB/s (NTFS, SMB) are possible. However, the write speed is normally significantly slower than the read speed.
If possible, we will optimize future FRITZ!OS versions so that the throughput is increased.