XUM / DrMemory is the UK's Number one memory seller on eBay with more than 160,000 positive feedback. We provide lifetime warranty on all memories and long warranty time on other parts; as a sign of trust on the quality of our items. No quibble return procedure. Free prepaid return labels for UK customers. Extensive test procedures. We operate in 10000 sqft warehouse. Genuine items for all used products - no Chinese copies. We also offer, for most used products, new XUM brand with lifetime warranty. We attempt to post by next day delivery where possible. We also attempt to ship everything on the same day of purchase Buy from trusted British sellers If you have any other questions, please get in contact with us.