Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: HP 1TB 6G SAS 7.2K HDD 1 SAS 16 MB Cache 2.5-Inch Internal Bare or OEM Drives 605835-B21
Product description: 1TB 6G SAS 7 2K 2 5in MDL HDDx
Product feature: Maximum External Data Transfer Rate - 600 Mbps (4.7 Gbps), Rotational Speed - 7200 rpm, Hard Drive Interface - 6Gb/s SAS (Serial Attached SCSI)
Product price: $14.99
Product brand: HP
Target attributes: Type
Answer: attribute: type
value: sas
source: product description
attribute: type
value: sas
source: product title
attribute: type
value: sas
source: product feature
attribute: type
value: internal
source: product title