Amazon.com: Seagate 1TB Constellation SAS 6Gb/s 64MB Cache 2.5-Inch Internal Bare Drive (ST91000640SS) : Electronics
Seagate 1TB Enterprise Capacity 2.5 Internal Hard Disk Drive SAS 12Gb/s 7200 RPM 128MB Cache Model ST1000NX0323 Laptop Internal Hard Drives - Newegg.com