The devices are available in two unlocked versions -- 64 GB and 128 GB. They will be available later today through Microsoft stores, authorized resellers and designated retailers, including Amazon, Best Buy, Costco, Fry's, Staples, Target and Walmart.
The Surface 3 is Microsoft's newest tablet. It has an Atom x7 processor, a 10.8-inch screen and separately priced keyboard and pen. The entry-level modelwithout those accessories starts at $499. The Surface 3 with LTE will cost about $100 more, plus the cost of the wireless plans, Microsoft officials have said.