The Xbox 360 sold 294,000 units during the month, with the PlayStation 3 not far behind with 244,000 units sold.
The NPD data was released by Microsoft and has not yet been officially confirmed.
"Xbox 360 had a fantastic January, and we feel great about our position in the marketplace," said Molly O'Donnell, group manager for Microsoft's entertainment and devices division.
Nintendo Wii leads January sales in U.S.
Posted on Friday, Feb 23 2007 @ 12:32 CET by Thomas De Maesschalck