The SIM-free model will run you £550 ($854USD) and contract plans start at around £42 ($60USD) per month. Carphone Warehouse is offering it in all four colors–black, white, gold, and green. The white variant is actually an exclusive to Carphone Warehouse in the UK, at least for now.
Carphone Warehouse is actually the only retailer to have the device on sale in the UK, as all the others are just listing the Xperia Z5 as up for pre-order. Availability through other retailers are said to start as early as next week.
As a quick refresher, here’s a rundown on the specs the Sony Xperia Z5 is sporting: