Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| model | year | code name | fab ( nm ) | bus interface | transistor count (millions) | memory max ( mib ) | core ( mhz ) | memory ( mhz ) | type | bus width ( bit ) | directx | shader model | opengl | maximum resolution | iceq4 cooling system | notes |
| his hd4850 (512 mb) | june 2008 | rv770 pro | 55 | pcie 2.0 x16 | 956 | 512 | 625 | 993 / 1986 | gddr3 | 256 | 10.1 | 4.1 | 2.0 | two x 25601600 (dual dual - link) | no | uvd 2 , powerplay |
| his hd4850 iceq 4 (512 mb / 1024 mb) | august 2008 | rv770 pro | 55 | pcie 2.0 x16 | 956 | 512 / 1024 | 625 | 993 / 1986 | gddr3 | 256 | 10.1 | 4.1 | 2.0 | two x 25601600 (dual dual - link) | yes | uvd 2 , powerplay |
| his hd4850 iceq 4 turbo (512 mb) | august 2008 | rv770 pro | 55 | pcie 2.0 x16 | 956 | 512 | 650 | 1000 / 2000 | gddr3 | 256 | 10.1 | 4.1 | 2.0 | two x 25601600 (dual dual - link) | yes | uvd 2 , powerplay |
| his hd4850 iceq 4 turbox (512 mb) | tba | rv770 pro | 55 | pcie 2.0 x16 | 956 | 512 | 685 | 1100 / 2200 | gddr3 | 256 | 10.1 | 4.1 | 2.0 | two x 25601600 (dual dual - link) | yes | uvd 2 , powerplay |
| his hd4870 (512 mb / 1024 mb) | june 2008 | rv770 xt | 55 | pcie 2.0 x16 | 956 | 512 / 1024 | 750 | 900 / 3600 | gddr5 | 256 | 10.1 | 4.1 | 2.0 | two x 25601600 (dual dual - link) | no | uvd 2 , powerplay |
| his hd 4870 turbo (512 mb) | tba | rv770 xt | 55 | pcie 2.0 x16 | 956 | 512 | 780 | 1000 / 4000 | gddr5 | 256 | 10.1 | 4.1 | 2.0 | two x 25601600 (dual dual - link) | no | uvd 2 , powerplay |
Title:
hightech information system
Statement:
the bus width (in bits) of the model whose core is 650 mhz is 256
Answer:
supported