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:
| Processor | Brand name | Model (list) | Cores | L2 Cache | Socket | TDP |
| --- | --- | --- | --- | --- | --- | --- |
| Merom-L | Mobile Core 2 Solo | U2xxx | 1.0 | 2 MiB | BGA479 | 5.5 W |
| Merom-2M | Mobile Core 2 Duo | U7xxx | 2.0 | 2 MiB | BGA479 | 10 W |
| Merom | Mobile Core 2 Duo | L7xxx | 2.0 | 4 MiB | BGA479 | 17 W |
| Merom Merom-2M | Mobile Core 2 Duo | T5xxx T7xxx | 2.0 | 2-4 MiB | Socket M Socket P BGA479 | 35 W |
| Merom | Mobile Core 2 Extreme | X7xxx | 2.0 | 4 MiB | Socket P | 44 W |
| Merom | Celeron M | 5x0 | 1.0 | 512 KiB | Socket M Socket P | 30 W |
| Merom-L | Celeron M | 5x0 | 1.0 | 512 KiB | Socket M Socket P | 27 W |
| Merom-2M | Celeron M | 5x5 | 1.0 | 1024 KiB | Socket P | 31 W |
| Merom-L | Celeron M | 5x3 | 1.0 | 512-1024 KiB | BGA479 | 5.5-10 W |
| Merom-2M | Celeron Dual-Core | T1xxx | 2.0 | 512-1024 KiB | Socket P | 35 W |
Question:
What's the model of the processor with a 5.5 w TDP?
Answer:
U2xxx