While the writer is not based in the US, American bargain hunters are advised to check out Best Buy and Newegg, alongside Amazon. B&H Photo and Walmart are also viable options.
The ideal outcome would be finding the newer 2TB Seagate Storage Expansion Card at an appealing price, providing ample space for current and upcoming Xbox Game Pass titles. Failing that, securing a 1TB card at a reasonable price would ease the burden of deciding which title to uninstall before downloading a new game, a tedious task that every gamer can relate to.