It was discovered yesterday that the T-Mobile US version of the handset will have 576Mb of Ram & 1gb of Rom compared to the 448Mb of Ram & 512 Mb or Rom available on the HD2s currently sold worldwide. Some posters over at the Chinese XDA forums have reported a couple of days ago (before the T-Mobile US info came out) that their HD2s are now reporting 576Mb of Ram after being flashed with some unreleased Radio Rom (2.06.5.04) . Check out the screenshots above to see what I’m talking about. There’s also a video (here) showing the system information. This could mean that all HTC HD2 do have more ram than initially advertised (remember that the pre-release Roms only reported 320MB, the official “448Mb” was only reported when the devices were flashed with the retail Rom, so anything is possible..). Hopefully HTC will say something soon..

Source: XDA-china via XDA