As far as I know the highest standalone speed for non-TV packages is 500 Mbps. Higher speeds need "fully monty" packages, and the £62 figure is the "introductory discount" - when that price expires, (18 months?) it'll probably double, as it does with other VM intro offers.
Obviously if you're a home working video editor, or software developer you might have the need or desire for 1 Gbps. But for most people it has no benefit because other than when doing a speed test, they never, ever saturate even a 100 Mbps connection. And you'd be voluntarily exposing yourself to the Hub 4, which is experiencing a range of teething problems that I certainly wouldn't be queuing up for. You'd also find that even the most premium of wireless devices only reaches about 600 Mbps, and if connected over EDIT: wireless ethernet you'll be limited to the 960 Mbps speed of a "gigabit" etherent port, less the TCP overheads, so you're not really going to get a useful gigabit connection AT A DEVICE LEVEL. The Hub 4 (when it works) will get a gigabit connection with the VM CMTS, but that's not what you'll see.
If you really need it, you'll have to take the full package that VM wish to sell you, just be careful in terms of expectations.
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