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:
| Model number | sSpec number | Frequency | GPU frequency | L2 cache | I/O bus | Memory | Voltage | TDP | Socket | Release date | Part number(s) | Release price ( USD ) |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Atom E625C | SLH9Z(B0) | 600 MHz | 320 MHz | 512 KB | PCIe | 1 × DDR2-800 | 0.8–1.175V | 2.7 W | FC-BGA 1466 | November 22, 2010 | CY80632007227AB | $61 |
| AtomE625CT | SLH9K(B0) | 600 MHz | 320 MHz | 512 KB | PCIe | 1 × DDR2-800 | 0.8–1.175V | 2.7 W | FC-BGA 1466 | November 22, 2010 | CY80632007227AA | $65 |
| Atom E645C | SLH9Y(B0) | 1 GHz | 320 MHz | 512 KB | PCIe | 1 × DDR2-800 | 0.8–1.175V | 3.6 W | FC-BGA 1466 | November 22, 2010 | CY80632007221AB | $72 |
| AtomE645CT | SLH9J(B0) | 1 GHz | 320 MHz | 512 KB | PCIe | 1 × DDR2-800 | 0.8–1.175V | 3.6 W | FC-BGA 1466 | November 22, 2010 | CY80632007221AA | $79 |
| Atom E665C | SLH9X(B0) | 1.3 GHz | 400 MHz | 512 KB | PCIe | 1 × DDR2-800 | 0.8–1.175V | 3.6 W | FC-BGA 1466 | November 22, 2010 | CY80632007224AB | $97 |
Question:
For a release price of $72, what is the TDP of the microprocessor?
Answer:
3.6 W