Rated at 8749 TEU, she was built in 2010 and is a member of the 3 ship Vienna Express Class.
CMA-CGM Vivaldi recently made a stop in Halifax, and was touted as the largest ship yet. at 8478, she was just bested by 271 TEU.

The Vienna express class are the 3rd larges ships in the Hapag-Llyod  fleet, with only the 9300teu C-Class and the 13000teu Hamburg Express Class above it.