Im ready to be shot down in flames by the techno crowd for posting this but here goes...
yes this sd card is not the fastest but its cheap and readily obtainable (you can just click and collect).
this is the blurb...
Product Description/SpecSanDisk microSD 8GB Memory Card with Adaptor.
Providing optimal performance for your digital device, this SanDisk 8GB Micro SD Memory Card with Adaptor gives you increased support and transfer options. Ideal for your mobile phone or tablet, the Micro SD SanDisk Card makes data transfer and sharing that little bit easier.
microSD memory card
8GB capacity.Read speed 30MB per sec.Not backwardly compatible with SD only devices.
Shared Via The HUKD App For Android.