Devinator
Sūpā Saiya-jin Fō
Seems like most devices are generally a year. Here is an article saying that it's a year, but, it is regarding the UK. I would assume it's the same in the US though.
ASUS offering refunds and extended warranties to Transformer Prime customers in the UK
If you are concerned, you can always contact ASUS and find out. Or, check the warranty card that came with your Prime. That is what the official ASUS Warranty page is saying.
ASUSTeK Computer Inc. -Support- Warranty Policy Eee Pad Transformer Prime TF201
ASUS offering refunds and extended warranties to Transformer Prime customers in the UK
If you are concerned, you can always contact ASUS and find out. Or, check the warranty card that came with your Prime. That is what the official ASUS Warranty page is saying.
ASUSTeK Computer Inc. -Support- Warranty Policy Eee Pad Transformer Prime TF201