In short, 204-pin small outline dual inline memory modules (SODIMMs) are the form factor used to provide DDR3 memory modules for notebook computers and other small form factor computing platforms. To use DDR3 memory, your system must have both a 204-pin SODIMM slot and a chipset that supports DDR3 memory. A DDR3 SODIMM will not fit into DDR2 or DDR memory sockets. SODIMMs are smaller and thinner############################################# -We are a 100% New Zealand owned and operated business Kiwis helping out Kiwis ############################################# Returns Policy: 30-Day money back guarantee for return if an item is not as described or damaged or faulty. We do not offer a refund if you change your mind or have damaged the item after delivery in Mint condition. Shipping is not refundable ############################################# -All products come with manufacturerâ??s warranty which can be from 1-year up to 3-years or more -We can help you diagnose or set-up your business network or home computer problems without you having to bring it in with our Instant Remote Support! -If you unsure of the freight please ask the question.