Solved: New disk won't rebuild, Is it because the new disk is not certified or the different firmware level... - Dell Community
![3.5 inch Western Digital 8TB WD Purple Surveillance Internal Hard Drive Disk HDD 5640RPM, SATA 6Gb/s, 128 MB Cache, WD84PURZ - Walmart.com 3.5 inch Western Digital 8TB WD Purple Surveillance Internal Hard Drive Disk HDD 5640RPM, SATA 6Gb/s, 128 MB Cache, WD84PURZ - Walmart.com](https://i5.walmartimages.com/asr/40905ded-c0fb-45c2-a356-0bb4699b3588.1c36b52be1262270d2fa9f5bc2d7bc44.jpeg)
3.5 inch Western Digital 8TB WD Purple Surveillance Internal Hard Drive Disk HDD 5640RPM, SATA 6Gb/s, 128 MB Cache, WD84PURZ - Walmart.com
![Why Is There a Big Difference in Read/Write Speed Between HDD & SSD? Why Are People Still Willing to Buy a Slow-Speed HDD?-TEAMGROUP Why Is There a Big Difference in Read/Write Speed Between HDD & SSD? Why Are People Still Willing to Buy a Slow-Speed HDD?-TEAMGROUP](https://www.teamgroupinc.com/en/upload/product_blog_m/0c46599d578022992cf8c7f1d1251b8a-20221007095113.jpg)
Why Is There a Big Difference in Read/Write Speed Between HDD & SSD? Why Are People Still Willing to Buy a Slow-Speed HDD?-TEAMGROUP
![Amazon.com: Hitachi 640GB Travelstar 5K750 2.5-inch 9.5mm SATA 2.0 (3.0Gb/s) 5400RPM Hard Drive With 8MB Cache Model HIT0J15372 : Electronics Amazon.com: Hitachi 640GB Travelstar 5K750 2.5-inch 9.5mm SATA 2.0 (3.0Gb/s) 5400RPM Hard Drive With 8MB Cache Model HIT0J15372 : Electronics](https://m.media-amazon.com/images/I/61F6Xq4MHJL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Hitachi 640GB Travelstar 5K750 2.5-inch 9.5mm SATA 2.0 (3.0Gb/s) 5400RPM Hard Drive With 8MB Cache Model HIT0J15372 : Electronics
![5 Signs Your Computer's Hard Drive Is Failing - Logix Consulting Managed IT Support Services Seattle 5 Signs Your Computer's Hard Drive Is Failing - Logix Consulting Managed IT Support Services Seattle](https://logixconsulting.com/wp-content/uploads/2021/05/hard-drive-607461_640.jpg)
5 Signs Your Computer's Hard Drive Is Failing - Logix Consulting Managed IT Support Services Seattle
![Amazon.com: WD Red Plus 10TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR, 256MB Cache : Electronics Amazon.com: WD Red Plus 10TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR, 256MB Cache : Electronics](https://m.media-amazon.com/images/I/71+bGhNHYVL._AC_UF894,1000_QL80_.jpg)
Amazon.com: WD Red Plus 10TB NAS 3.5" Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, CMR, 256MB Cache : Electronics
![Hitachi Travelstar 5K100 HTS541080G9AT00 80GB Internal 5400RPM 2.5" (13G1584) HDD for sale online | eBay Hitachi Travelstar 5K100 HTS541080G9AT00 80GB Internal 5400RPM 2.5" (13G1584) HDD for sale online | eBay](https://i.ebayimg.com/images/g/nPYAAOSwDcdhg6dX/s-l1600.jpg)