Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| HyperTransport version | Year | Max. HT frequency | Max. link width | Max. aggregate bandwidth (bi-directional) | Max. bandwidth at 16-bit unidirectional | Max. bandwidth at 32-bit unidirectional* |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | 2001.0 | 800MHz | 32-bit | 12.8 GB/s | 3.2 GB/s | 6.4 GB/s |
| 1.1 | 2002.0 | 800MHz | 32-bit | 12.8 GB/s | 3.2 GB/s | 6.4 GB/s |
| 2.0 | 2004.0 | 1.4GHz | 32-bit | 22.4 GB/s | 5.6 GB/s | 11.2 GB/s |
| 3.0 | 2006.0 | 2.6GHz | 32-bit | 41.6 GB/s | 10.4 GB/s | 20.8 GB/s |
| 3.1 | 2008.0 | 3.2GHz | 32-bit | 51.2 GB/s | 12.8 GB/s | 25.6 GB/s |
Question:
What Hyper Transport version has 22.4 gb/s of Max. Aggregate bandwidth?
Answer:
2.0