|Technically MSoft has had a policy in place that states the OEM versions of WinXP are to be purchased with major components and are supposed to stay linked to those components for life.|
MSoft has not enforced that policy for years. When Vista first came out MSoft tried to tighten up the licensing but backed of after strong opposition from the computing community.
So, as a practicality, you can install the version you linked on a single computer as reinstall it on that same computer as many times as needed. However, changes in the hardware can cause you to re-register the installation.
To my knowledge, the only WinXP versions currently for sale are of the type you linked. IMO you can use that particular item.
Just don't try to use it as an upgrade disk.
Why are you buying WinXP at this late date? In a month Windows 7 will be for sale. I recommend that is the OS to use. There are offers for versions of Vista with a free upgrade to Windows 7. You would be better off to buy one of those.