 "Seagate Laptop SSHD 1 TB Internal SSHD" " Seagate - ST1000LM014 Notebook Hard Drives CDW.com
"Seagate Laptop Thin SSHD fuses the blazing speed of SSD with the high capacity of a hard drive. With Seagate Adaptive Memory technology, SSHD dramatically improves boot times and application speeds, unleashing your system's performance." 
 "WD 1TB 3.5" SATA Surveillance Storage Purple Hard Drive for CCTV DVR NVR & HOME PC System -WD10PURZ"@en
 Specification 1TB Model Number WD10PURZ Formatted capacity 1TB Form factor 3.5 inch Advance format (AF) Yes Interface transfer rate (max)   Buffer to host 6 Gb/s Host to/from drive (sustained) 110 MB/s Cache (MB) 64 Performance class / Rotational speed (RPM) 5400 RPM Class Weight (kg) 0.45