![Seagate Exos 7E8 ST8000NM0055 - Hard drive - 8 TB - internal - 3.5-inch - SATA 6Gb/s - 7200 rpm - buffer: 256 MB | Dell USA Seagate Exos 7E8 ST8000NM0055 - Hard drive - 8 TB - internal - 3.5-inch - SATA 6Gb/s - 7200 rpm - buffer: 256 MB | Dell USA](https://snpi.dell.com/snp/images/products/large/en-us~7b51fff0-7581-4e06-a290-c509920f8931/7b51fff0-7581-4e06-a290-c509920f8931.jpg)
Seagate Exos 7E8 ST8000NM0055 - Hard drive - 8 TB - internal - 3.5-inch - SATA 6Gb/s - 7200 rpm - buffer: 256 MB | Dell USA
![Amazon.com: Western Digital_BLACK 8TB Gaming Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - Western Digital8002FZWX : Electronics Amazon.com: Western Digital_BLACK 8TB Gaming Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - Western Digital8002FZWX : Electronics](https://m.media-amazon.com/images/I/81+v-aQ2JxL._AC_UF350,350_QL80_.jpg)
Amazon.com: Western Digital_BLACK 8TB Gaming Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - Western Digital8002FZWX : Electronics
![hard drive - Why does a WD HDD have 12 mb/s random write speed, 24 times as fast as its random read speed? - Super User hard drive - Why does a WD HDD have 12 mb/s random write speed, 24 times as fast as its random read speed? - Super User](https://i.stack.imgur.com/shISL.jpg)
hard drive - Why does a WD HDD have 12 mb/s random write speed, 24 times as fast as its random read speed? - Super User
![WD_Black 6TB Gaming Performance Internal Hard Drive HDD - 7200 RPM, 128 MB Cache, SATA Gb/s, 3.5" - WD6004FZWX - Newegg.com WD_Black 6TB Gaming Performance Internal Hard Drive HDD - 7200 RPM, 128 MB Cache, SATA Gb/s, 3.5" - WD6004FZWX - Newegg.com](https://c1.neweggimages.com/productimage/nb640/22-234-501-S01.jpg)
WD_Black 6TB Gaming Performance Internal Hard Drive HDD - 7200 RPM, 128 MB Cache, SATA Gb/s, 3.5" - WD6004FZWX - Newegg.com
![WD Purple Pro WD121PURP - Hard drive - 12 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 256 MB | Dell USA WD Purple Pro WD121PURP - Hard drive - 12 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 256 MB | Dell USA](https://snpi.dell.com/snp/images/products/large/en-us~3f2615db-0646-401b-b507-393d5d54dbff/3f2615db-0646-401b-b507-393d5d54dbff.jpg)
WD Purple Pro WD121PURP - Hard drive - 12 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 256 MB | Dell USA
![Amazon.com: Seagate 1TB Mobile HDD SATA 3Gb/s 32MB Cache 2.5-Inch Internal Bare Drive (ST1000LM024) : Electronics Amazon.com: Seagate 1TB Mobile HDD SATA 3Gb/s 32MB Cache 2.5-Inch Internal Bare Drive (ST1000LM024) : Electronics](https://m.media-amazon.com/images/I/81eaYZB9oeL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Seagate 1TB Mobile HDD SATA 3Gb/s 32MB Cache 2.5-Inch Internal Bare Drive (ST1000LM024) : Electronics
![Amazon.com: Western Digital 2TB WD Blue PC Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD20EZRZ : Electronics Amazon.com: Western Digital 2TB WD Blue PC Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD20EZRZ : Electronics](https://m.media-amazon.com/images/I/71ua-0LAGaL.jpg)
Amazon.com: Western Digital 2TB WD Blue PC Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD20EZRZ : Electronics
![Amazon.com: Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD60PURZ : Electronics Amazon.com: Western Digital 6TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD60PURZ : Electronics](https://m.media-amazon.com/images/I/61qPrCMm1CL._AC_UF894,1000_QL80_.jpg)