What type of memory card do I need?
Please note that this is an approximate guideline. Make sure you check what the manufacturer recommends before purchasing a card. Older devices, in particular, may not accept newer card types.
Different types of memory card?
SD cards are the most commonly used memory cards with 3 main types available.
These have more storage space than standard SD cards which gives you room to shoot higher-quality films and photos.
SDXC have a higher capacity than both SD and SDHC cards, and they usually work faster.
These are smaller versions (in physical size) of SD, SDHC and SDXC cards. Great for mobile phones and action cameras.
To record HD or 4K on any SD card, choose one with a UHS I or UHS II rating (it should say in the product title).
How much storage will I need?
|Capactiy (GB)||Hours of MP3 music||Photos (12MP JPEG format)||Photos (20MP JPEG format)||Photos (20MP RAW format)||Standard HD video recording (9mbps)||Full HD video recording (13mbps)|
|8||135||1900||1330||130||120 mins||80 mins|
|16||270||3800||2660||260||240 mins||160 mins|
|32||545||7600||5330||520||480 mins||320 mins|
|64||1090||15200||10660||1040||960 mins||640 mins|
|128||2145||30400||21320||2080||1920 mins||1280 mins|
JPEG is the most commonly used format for taking photos. Most digital cameras will automatically use this format.
RAW formats are only used when trying to attain the highest quality on a DSLR. You would need to change to this format manually.
Memory card speeds
How quickly you can access data on the memory card. A higher read speed means quicker download to your computer or device. 30MBs would be considered slow, while 160MBs+ would be considered fast.
How fast your photo or film goes from being shot to being stored on the card. A slow speed could make it difficult to take photos quickly and reduce the quality of your footage.
The minimum write speed for the card, also measured in MBs. Filming a video? A dramatic drop in write speed could cause loss of frames and reduce video quality.
This is another measure of write speed. Cards with a UHS (ultra high speed) rating can work fast enough to capture HD and 4K images, if your device is compatible.
What memory card speeds do I need?
|Memory card type||Speed class||Min. write speed||4K recording||Full HD recording||Standard HD recording||Continuous recording||HD photos|
|SD||UHS speed 3||30 MB/s||✓||✓||✓||✓|
|SD||UHS speed 1||10 MB/s||✓||✓||✓|
|SD||Speed class 10||10 MB/s||✓||✓||✓|
|SD||Speed class 6||6 MB/s||✓||✓|
|SD||Speed class 2||2 MB/s||✓|
Write & protect on SD cards
Often memory cards will have the write-protect logo displayed. This means you can lock your card so that it cannot be written on. Simply move the tiny lever at the top of the card up to prevent your data being overwritten.
Flash drives and USBs
Easily store data and transfer your files with a USB memory stick or flash drive. These devices plug directly into the USB port of your computer and some can be connected to your phone.
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Hard disk drive
A portable storage unit that connects to the USB port of your computer, allowing for the quick transfer of files. These are great for backing up your files.
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Solid state hard drives
More durable than the hard disk drive and a little more expensive. These flash storage units have no moving parts, which enables them to work faster and use less power.
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USB 3.0 or 2.0?
This refers to the speed of the USB interface of your device. Devices with USB 3.0 will transfer files faster than 2.0. But before you buy, make sure your device's port supports USB 3.0 or you won't see the benefit.
Top tips for backing up your phone and increasing its memory.
Phone flash drives
Easily transfer photos and videos between your phone and computer with a flash drive. They'll free up memory on your mobile and expand your storage by up to 128GB.
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Base flash drive
Never worry about losing your memories again. Every time you charge your iPhone with a Base flash drive, it will automatically back up your photos, videos and contacts for you.
Shop all base flash drives
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