 "Seagate Desktop HDD ST500DM002 - hard drive 500 GB SATA 6Gb/s" " Seagate 6Gb/s Internal Hard Drives CDWG.com
"The Seagate Desktop HDD is the one drive for every desktop system need, reliability and simplicity. Now available in capacities 500 MB. Count on Seagate to deliver the storage innovations that bring down your costs and crank up your storage.Seagate Desktop HDDs with 500 MB-per-disk have advanced power modes to save more energy while in idle states - without sacrificing performance. Desktop HDDs are produced using the most sophisticated manufacturing process in the industry, with a focus on environmental stewardship." 
 "Western Digital Red 1TB SATA3 64MB Cache 3.5in Internal Hard Disk Drive HDD" "WD 3.5IN NAS - NCIX"
 Quick Specs: Buffer 64 MB Compatibility D-link Share Centers: DNS-1550-04 DNS-1100-04 DNS-1250-04 (US only) DNS-1200-05 DNS-1250-06 (US only) https://www.wdc.com/en/products/products.aspx?id=810 Device Supported Storage System Storage Capacity 1 TB Limited Warranty 3 Year Weight (Approximate) 15.84 oz Drive Type Internal Height 1" Width 4" Depth 5.8" Green Compliant Yes Green Compliance Certificate/Authority RoHS China RoHS WEEE Drive Interface SATA Drive Width 3.5" Drive Interface Standard SATA/600 ProductId 1023016280