The Lumia 640 in not officially available in the U.S. just yet, but if you're itching to get your hands on one, Expansys is selling an unlocked dual-SIM version (RM-1113) of the device with LTE connectivity on its website for $219.
The price is for the black color variant, with the orange and cyan models also listed at a slightly higher price of $244. As for official availability, that's set to commence shortly, with T-Mobile listing the device as "coming soon" on its website.
In terms of specs, the Lumia 640 comes with a 5-inch 720p display, 1.2GHz quad-core Snapdragon 400 CPU, 1GB RAM, 8GB internal memory, microSD card slot, 8MP camera at the back, 1MP front shooter and a 2,500mAh battery. The software side of things includes the latest Windows Phone 8.1 Update 2, which is currently only available on the Lumia 640 and its larger sibling, the Lumia 640 XL.
If you're interested in the handset, be sure to check out our first impressions video:
Thanks for the tip Guytronic!