Speed testing cheap Micro SD Cards

At the makerspace we always seem to have a shortage of Micro SD cards for Raspberry Pi’s so I decided to buy some cheap ones and test them in the hope that I stumble across one that isn’t terrible speed-wise.

For testing I used Blackmagicdesign Disk Speed Test.

Here’s the results:

£2.76 2GB – 2GB MicroSD TF Memory Card For RC Quadcopter Camera
Write: 6 MB/s Read: 20 MB/s (26/06/17)

£3.21 4GB – 4GB Micro SD TF Secure Digital High Speed Flash Memory Card Class 6
Write: 4 MB/s Read: 16 MB/s (26/06/17)

£3.64 8GB – OV Camouflage Version Class 6 8GB SDHC Micro SD Card TF Card For Cellphone
Write: 14 MB/s Read: 22 MB/s (26/06/17)

£5.18 16GB – Kingston Class 10 Micro SD Card
Write: 11 MB/s Read: 74 MB/s (03/04/18)

£3.88 16GB – LD Micro SD Card
Write: 44 MB/s Read: 84 MB/s (03/04/18)

£5.86 32GB – MIXZA Memory Card
Write: 16 MB/s Read: 54 MB/s (03/04/18)

£10.39 32GB – Samsung 32GB Evo
Write: 26 MB/s Read: 44 MB/s (03/04/18)

£3.20 8GB – MicroDrive SD Card
Write: 12 MB/s Read: 18 MB/s (26/08/18)

£3.34 8 GB – PenDrive SD Card
Write: 12 MB/s Read: 18 MB/s (26/08/18)