• Crucial.com/uk - Memory upgrades, graphics cards, flash media, and storage media. You can also purchase computer memory, flash and graphics card upgrades from Crucial to get factory-direct pricing with outstanding service and support.
• OFFTEK - Are one of the UK's favourite online memory superstore with over 30000+ memory products for Desktops, Laptops, Servers, Workstations, Digital Cameras, Printers and Camcorders.

• MyMemory - They supply low cost Memory Sticks, Compact Flash, Smart Media, Multi Media, MMC, Secure Digital, Memory Stick, XD Picture Card, MicroDrive, USB Memory Pens, Card Readers.

Alphabetical

• 1st 4 Memory - UK based secure online retailer for all your removable memory requirements including cards such as Secure Digital, CompactFlash, SmartMedia, XD Picture Card, MultiMedia Card and MemoryStick.
• Memory King - They stock Compact Flash, xD Cards, Picture Cards, Secure Digital Cards (SD), Smart Media, Memory Stick, USB Flash Drives and Multimedia Cards (MMC) and Micro drive.
• Orca Logic - They are a leading specialist retailer of computer memory upgrades. This includes upgrades for your server, workstation, laptop and home desktop system.
  
• UK Memory - UK Memory supplier of SDRAM, DDR, RAMBUS, EDO, SIMM, DIMM, RIMM online at their well laid out and impressive web site. They also use a secure payment gateway what will only authorize your payment.