Yes it is but you can get them for 20 bucks off of eBay, Amazon or one of a thousand other places even locally for a lot less money. That's Square connector is very common. If you need the little tiny connector same deal. The only thing you have to worry about is the wattage meet the minimum standard for the laptop if you get a 90 watt Universal from any source and its operational it will function on pretty much anything except for some of the high-powered laptops