The Sony Xperia X series of phones, which consist of the Xperia X, XA, X Performance and XA Ultra are now available for pre-order.
The Xperia X will be available on June 26 at $549.99. The Xperia XA and X Performance will both be available on July 17 with prices at $279.99 and $699.99 respectively. And finally, the Xperia XA Ultra will be available on July 24 with a price tag of $369.99.
Source: Android Central