Apple has sold out of its initial inventory of all iPad Mini models just three days after the new device became available for pre-order online.

[More from Mashable: Smug Apple Fans Secretly Lust After Microsoft Surface Tablets [SUNDAY COMICS]]

The shipping times for all three Wi-Fi versions of the black and white iPad Mini have now been pushed back to two weeks, indicating that the initial stock is sold out. The LTE-enabled iPad Mini models have not yet gone on sale.

Apple worried some investors with its decision to the price the new 7.9 inch tablets starting at $329, significantly more than competing tablets like the Nexus 7 and Kindle Fire, but the sales so far suggest that demand for the iPad Mini is strong even with the higher price.

[More from Mashable: Top Comments on Mashable This Week]

Have you ordered an iPad Mini? Let us know in the comments below.

Apple iPad Mini Hands-on

Click here to view this gallery.

This story originally published on Mashable here.