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Property:Storage-Speed

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Goto:   6490  -  7240  -  7320  -  7390  -  7490  -  7530ac  -  7581  -  7590ac  -  Test-Disks  -  FRITZ!OS   -   SMW-Browser

Details

Storage-Speed is the term used here for the filesystem perfomance of internal and external storage media. This covers:

This article collects raw sequential filesystem speed tests for some models.

The tests are performed using dd to read and write a huge test file, and time to measure the time this takes.
This method measures the performance of the USB-Controller, its link speed, its drivers and the filesystem drivers.

Current storage performance ranking:

  • 7530ac - 205 MB/s read, 82 MB/s write - SSD @ USB3 - 4-core Dakota @ 717 MHz (ARM)
  • 7581 - 93 MB/s read, 104 MB/s write - SSD @ USB3 - 2-core BCM63 @ 1000 MHz (ARM)
  • 7590ac - 81 MB/s read, 52 MB/s write - SSD @ USB3 - 2-core 4-threads Seale @ 1000 MHz (MIPS)
  • 7490 - 69 MB/s read, 28 MB/s write - SSD @ USB3 - 1-core 2-threads VR9 @ 500 MHz (MIPS)
  • 6490 - 31 MB/s read, 28 MB/s write - SSD @ USB2 - 2-core Puma6 @ 1200 MHz (ATOM)
  • 7320 - 28 MB/s read, 16 MB/s write - SSD @ USB2 - 1-core AR9 @ 393 MHz (MIPS)
  • 7390 - 19 MB/s read, 12 MB/s write - SSD @ USB2 - 1-core Fusiv @ 500 MHz (MIPS)
  • 7240 - 17 MB/s read, 8 MB/s write - SSD @ USB2 - 1-core UR8 @ 360 MHz (MIPS)

This list shows that the USB-Version is the major bottleneck, followed by CPU core type and horsepower.
Depending on the way storage is accessed and used further bottlenecks apply:

All these IP based protocols slow down due to packet fragmentation, TCP based protocols additionally due to the handshake.
Encrypted protocols, unless hardware accelerated, additionally eat CPU. More cores can handle this better than fewer cores.

7530ac

The 7530ac provides a single USB 3.0 port, which could be switched to USB 2.0 mode, and no Internal-Storage.

7530ac fw 7.29 - Test-SSD1 IN USB3 MODE - ext4 - 205MB/s read, 82MB/s write
The Events log reports USB device 2003, class "USB 3.0 (super-speed) storage" plugged in.

root@fritz1:/var/media/ftp/FRITZ1# time dd if=test.bin of=/dev/null bs=1M count=1024
real	0m 4.99s
user	0m 0.00s
sys	0m 3.63s
=> 1024MB/4.99s = 205MB/s read speed

root@fritz1:/var/media/ftp/FRITZ1# time dd if=/dev/zero of=test.bin bs=1M count=1024
real	0m 12.48s
user	0m 0.00s
sys	0m 10.69s
=> 1024MB/12.48s = 82MB/s write speed

7581

The 7581 provides 2x USB 3.0 ports, which could be switched to USB 2.0 mode, and no Internal-Storage.

7581 fw 7.17 - Test-SSD1 IN USB3 MODE - ext4 - 93.1MB/s read, 103.6MB/s write
The Events log reports USB device 3002, class "USB 3.0 (super-speed) storage" plugged in.

root@fritz:/var/media/ftp/FRITZ1# time dd if=test.bin of=/dev/null bs=1M count=1024
real	0m 11.00s
user	0m 0.01s
sys	0m 6.95s
=> 1024MB/11.00s = 93.09MB/s read speed

root@fritz:/var/media/ftp/FRITZ1# time dd if=/dev/zero of=test.bin bs=1M count=1024
real	0m 9.88s
user	0m 0.01s
sys	0m 7.74s
=> 1024MB/9.88s = 103.64MB/s write speed

7581 fw 7.17 - Test-SSD1 IN USB2 MODE - ext4 - 33.0MB/s read, 35.9MB/s write
The Events log reports USB device 3002, class "USB 2.1 (hi-speed) storage" plugged in.

root@fritz:/var/media/ftp/FRITZ1# time dd if=test.bin of=/dev/null bs=1M count=1024
real	0m 31.02s
user	0m 0.01s
sys	0m 4.79s
=> 1024MB/31.02s = 33.01MB/s read speed

root@fritz:/var/media/ftp/FRITZ1# time dd if=/dev/zero of=test.bin bs=1M count=1024
real	0m 28.49s
user	0m 0.00s
sys	0m 6.85s
=> 1024MB/28.49s = 35.94MB/s write speed

7590ac

The 7590ac provides 2x USB 3.0 ports, which could be switched to USB 2.0 mode, and approx. 340 MB of Internal-Storage.

7590ac fw 7.90 - Test-SSD1 IN USB3 MODE - ext4 - 81.2MB/s read, 51.5MB/s write
The Events log reports USB device 4002, class "USB 3.0 (super-speed) storage" plugged in.

root@fritz:/var/media/ftp/FRITZ1# time dd if=test.bin of=/dev/null bs=1M count=1024
real	0m 12.61s
user	0m 0.01s
sys	0m 11.53s
=> 1024MB/12.61s = 81.21MB/s read speed

root@fritz:/var/media/ftp/FRITZ1# time dd if=/dev/zero of=test.bin bs=1M count=1024
real	0m 19.89s
user	0m 0.02s
sys	0m 19.54s
=> 1024MB/19.89s = 51.48MB/s write speed

7590ac fw 7.90 - Test-SSD1 IN USB2 MODE - ext4 - 37.5MB/s read, 34.7MB/s write
The Events log reports USB device 4002, class "USB 2.1 (hi-speed) storage" plugged in.

root@fritz:/var/media/ftp/FRITZ1# time dd if=test.bin of=/dev/null bs=1M count=1024
real	0m 27.34s
user	0m 0.02s
sys	0m 12.94s
=> 1024MB/27.34s = 37.45MB/s read speed

root@fritz:/var/media/ftp/FRITZ1# time dd if=/dev/zero of=test.bin bs=1M count=1024
real	0m 29.50s
user	0m 0.03s
sys	0m 21.80s
=> 1024MB/29.5s = 34.71MB/s write speed

7590ac fw 7.90 - Internal-Storage - ubifs - 106MB/s read, 20MB/s write

root@fritz:/var/media/ftp# time dd if=test.bin of=/dev/null bs=1M count=256
real	0m 2.42s
user	0m 0.01s
sys	0m 2.36s
=> 256MB/2.42s = 105.8MB/s read speed

root@fritz:/var/media/ftp# time dd if=/dev/zero of=test.bin bs=1M count=256
real	0m 12.67s
user	0m 0.00s
sys	0m 12.54s
=> 256MB/12.67s = 20.2MB/s write speed

7590ac fw 7.90 - Test-Stick1 IN USB2 MODE - ext4 - 37.5MB/s read, 14.5MB/s write
The Events log reports USB device 1003, class "USB 2.1 (hi-speed) storage" plugged in.
This happened although the port was switched to USB3 mode!

root@fritz:/var/media/ftp/Stick1# time dd if=test.bin of=/dev/null bs=1M count=1024
real	0m 27.30s
user	0m 0.01s
sys	0m 13.06s
=> 1024MB/27.3s = 37.5MB/s read speed

root@fritz:/var/media/ftp/Stick1# time dd if=/dev/zero of=test.bin bs=1M count=1024
real	1m 10.71s
user	0m 0.02s
sys	0m 24.21s
=> 1024MB/70.71s = 14.48MB/s write speed

7490

The 7490 provides 2x USB 3.0 ports, which could be switched to USB 2.0 mode, and approx. 400 MB of Internal-Storage.

7490 fw 7.57 - Test-SSD1 IN USB3 MODE - ext4 - 68.8MB/s read, 28.1MB/s write
The Events log reports USB device 2003, class "USB 3.0 (super-speed) storage" plugged in.

root@fritz3:/var/media/ftp/FRITZ1# time dd if=test.bin of=/dev/null bs=1M count=1024
real	0m 14.88s
user	0m 0.01s
sys	0m 13.40s
=> 1024MB/14.88s = 68.81MB/s read speed

root@fritz3:/var/media/ftp/FRITZ1# time dd if=/dev/zero of=test.bin bs=1M count=1024
real	0m 36.49s
user	0m 0.00s
sys	0m 34.45s
=> 1024MB/36.49s = 28.06MB/s write speed

7490 fw 7.57 - Test-SSD1 IN USB2 MODE - ext4 - 31.3MB/s read, 26.0MB/s write
The Events log reports USB device 1002, class "USB 2.1 (hi-speed) storage" plugged in.

root@fritz3:/var/media/ftp/FRITZ1# time dd if=test.bin of=/dev/null bs=1M count=1024
real	0m 32.75s
user	0m 0.00s
sys	0m 11.34s
=> 1024MB/32.75s = 31.27MB/s read speed

root@fritz3:/var/media/ftp/FRITZ1# time dd if=/dev/zero of=test.bin bs=1M count=1024
real	0m 39.35s
user	0m 0.01s
sys	0m 35.78s
=> 1024MB/39.35s = 26.02MB/s write speed

7490 fw 7.29 - Internal-Storage - yaffs2 - 5.7MB/s read, 3.25MB/s write

root@fritz3:/var/media/ftp $ time dd if=test.bin of=/dev/null bs=1M count=350
real	1m 1.52s
user	0m 0.02s
sys	0m 14.76s
=> 350MB/61.52s = 5.7MB/s read speed

root@fritz3:/var/media/ftp $ time dd if=/dev/zero of=test.bin bs=1M count=350
real	1m 47.61s
user	0m 0.00s
sys	1m 7.90s
=> 350MB/107.61s = 3.25MB/s write speed

6490

The 6490 provides 2x USB 2.0 ports, and approx. 1.5 GB of Internal-Storage.

6490 fw 7.57 - Test-SSD1 - ext4 - 31.2MB/s read, 27.9MB/s write
The Events log reports USB device 1002, class "USB 2.1 (hi-speed) storage" plugged in.

root@fritz3:/var/media/ftp/FRITZ1# time dd if=test.bin of=/dev/null bs=1M count=1024
real	0m 29.97s
user	0m 0.01s
sys	0m 4.30s
=> 1024MB/29.97s = 34.17MB/s read speed

root@fritz3:/var/media/ftp/FRITZ1# time dd if=/dev/zero of=test.bin bs=1M count=1024
real	0m 36.73s
user	0m 0.01s
sys	0m 9.94s
=> 1024MB/36.73s = 27.88MB/s write speed

6490 fw 7.29 - Internal-Storage - ext4 - 28MB/s read, 5.4MB/s write
Like the dhrystone Benchmark-Results the fw 7.39 NAS performance stayed approx. the same.

root@fritz2:/var/media/ftp# time dd if=test.bin of=/dev/null bs=1M count=1024
real	0m 36.44s
user	0m 0.00s
sys	0m 3.90s
=> 1024MB/36.44s = 28.1MB/s read speed

root@fritz2:/var/media/ftp# time dd if=/dev/zero of=test.bin bs=1M count=1024
real	3m 10.34s
user	0m 0.02s
sys	0m 9.74s
=> 1024MB/190.34s = 5.38MB/s write speed

7320

The 7320 provides 2x USB 2.0 ports, and no Internal-Storage.

7320 fw 6.55 - Test-SSD1 - ext4 - 27.7MB/s read, 16.2MB/s write
The Events log reports USB device 1002, class "USB 2.1 (hi-speed) storage" plugged in.

root@fritz3:/var/media/ftp/FRITZ1# time dd if=test.bin of=/dev/null bs=1M count=1024
real	0m 36.99s
user	0m 0.00s
sys	0m 23.06s
=> 1024MB/36.99s = 27.68MB/s read speed

root@fritz3:/var/media/ftp/FRITZ1# time dd if=/dev/zero of=test.bin bs=1M count=1024
real	1m 3.19s
user	0m 0.00s
sys	0m 45.19s
=> 1024MB/63.19s = 16.21MB/s write speed

7390

The 7390 provides 2x USB 2.0 ports, and 512 MB of Internal-Storage.

7390 fw 6.04 - Test-SSD1 - ext3 - 19.1MB/s read, 11.9MB/s write (no ext4 support)
The Events log reports USB device 1002, class "USB 2.1 (hi-speed) storage" plugged in.

root@fritz3:/var/media/ftp/uStor03# time dd if=test.bin of=/dev/null bs=1M count=1024
real	0m 53.75s
user	0m 0.01s
sys	0m 33.00s
=> 1024MB/53.75s = 19.05MB/s read speed

root@fritz3:/var/media/ftp/uStor03# time dd if=/dev/zero of=test.bin bs=1M count=1024
real	1m 26.41s
user	0m 0.04s
sys	1m 7.14s
=> 1024MB/86.41s = 11.85MB/s write speed

7390 fw 6.04 - Internal-Storage - yaffs2 - 4.2MB/s read, 2.1MB/s write

root@fritz3:/var/media/ftp $ time dd if=test.bin of=/dev/null bs=1M count=500
real	2m 0.14s
user	0m 0.01s
sys	1m 49.42s
=> 500MB/120.14s = 4.16MB/s read speed

root@fritz3:/var/media/ftp $ time dd if=/dev/zero of=test.bin bs=1M count=500
real	4m 3.05s
user	0m 0.00s
sys	2m 45.79s
=> 500MB/243.05s = 2.06MB/s write speed

7240

The 7240 provides a single USB 2.0 port, and no Internal-Storage.

7240 fw 6.06 - Test-SSD1 - ext3 - 16.8MB/s read, 8.4MB/s write (no ext4 support)
The Events log reports USB device 1002, class "USB 2.1 (hi-speed) storage" plugged in.

root@fritz3:/var/media/ftp/uStor03# time dd if=test.bin of=/dev/null bs=1M count=1024
real	1m 0.90s
user	0m 0.00s
sys	0m 35.37s
=> 1024MB/60.90s = 16.81MB/s read speed

root@fritz3:/var/media/ftp/uStor03# time dd if=/dev/zero of=test.bin bs=1M count=1024
real	2m 2.39s
user	0m 0.02s
sys	1m 40.67s
=> 1024MB/122.39s = 8.37MB/s write speed

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