How to choose the right memory card

We help you select the right memory card for your digital camera, MP3 player or mobile phone

Jargon Buster: Memory Cards

CF: CompactFlash. The most common cards found in SLR cameras, though slowly being replaced by SD. Widely regarded as more durable than smaller memory cards such as SD.

HC: High capacity. A higher capacity card than regular SD and microSD cards. Note that SDHC and microSDHC cards generally aren’t compatible with regular SD card slots.

M2: Memory Stick Micro. A smaller version of the Memory Stick used in Sony Ericsson mobile phones. It is a proprietary memory card format developed by Sony for use in its products.

Memory Stick: A proprietary memory card format developed by Sony for use in its products. Mainly used in Sony’s Cyber-shot cameras, Handycam video cameras and the PSP (PlayStation Portable) gaming device.

microSD: micro Secure Digital. A flash memory card about the size of a small fingernail. Primarily used in mobile phones.

miniSD: mini Secure Digital. A flash memory card with smaller dimensions than a regular SD card. miniSD cards were previously used in mobile phones, although they have now been replaced by microSD cards.

MMC: Multimedia Card. This is a flash memory card that is the same size as an SD card. They have been superseded by SD cards.

SD: Secure Digital is a flash memory card format approximately the size of a postage stamp. SD cards are commonly used in digital cameras.

SLR: Single Lens Reflex cameras are mainly used by professional photographers and offer an array of manual camera options. They use an automatic mirror system to direct light from the lens to the viewfinder.

xD: Extreme Digital Picture Card is a memory card format developed by Olympus and FujiFilm for use in their digital cameras.

Join the newsletter!

Error: Please check your email address.
Rocket to Success - Your 10 Tips for Smarter ERP System Selection

Tags storageflash memory

Keep up with the latest tech news, reviews and previews by subscribing to the Good Gear Guide newsletter.

PC World Staff

PC World
Show Comments

Cool Tech

Breitling Superocean Heritage Chronographe 44

Learn more >

SanDisk MicroSDXC™ for Nintendo® Switch™

Learn more >

Toys for Boys

Family Friendly

Panasonic 4K UHD Blu-Ray Player and Full HD Recorder with Netflix - UBT1GL-K

Learn more >

Stocking Stuffer

Razer DeathAdder Expert Ergonomic Gaming Mouse

Learn more >

Christmas Gift Guide

Click for more ›

Most Popular Reviews

Latest Articles


PCW Evaluation Team

Edwina Hargreaves

WD My Cloud Home

I would recommend this device for families and small businesses who want one safe place to store all their important digital content and a way to easily share it with friends, family, business partners, or customers.

Walid Mikhael

Brother QL-820NWB Professional Label Printer

It’s easy to set up, it’s compact and quiet when printing and to top if off, the print quality is excellent. This is hands down the best printer I’ve used for printing labels.

Ben Ramsden

Sharp PN-40TC1 Huddle Board

Brainstorming, innovation, problem solving, and negotiation have all become much more productive and valuable if people can easily collaborate in real time with minimal friction.

Sarah Ieroianni

Brother QL-820NWB Professional Label Printer

The print quality also does not disappoint, it’s clear, bold, doesn’t smudge and the text is perfectly sized.

Ratchada Dunn

Sharp PN-40TC1 Huddle Board

The Huddle Board’s built in program; Sharp Touch Viewing software allows us to easily manipulate and edit our documents (jpegs and PDFs) all at the same time on the dashboard.

George Khoury

Sharp PN-40TC1 Huddle Board

The biggest perks for me would be that it comes with easy to use and comprehensive programs that make the collaboration process a whole lot more intuitive and organic

Featured Content

Product Launch Showcase

Latest Jobs

Don’t have an account? Sign up here

Don't have an account? Sign up now

Forgot password?