![Western Digital WD80EDAZ and WD80EZAZ in WD MyBooks - How to determine which is inside before purchase - Cross posted on r/DataHoarder : r/unRAID Western Digital WD80EDAZ and WD80EZAZ in WD MyBooks - How to determine which is inside before purchase - Cross posted on r/DataHoarder : r/unRAID](https://preview.redd.it/2m2arzvbwco51.jpg?width=4032&format=pjpg&auto=webp&s=371e3e4f9e01f813922c687bc2d0f2fc472672c0)
Western Digital WD80EDAZ and WD80EZAZ in WD MyBooks - How to determine which is inside before purchase - Cross posted on r/DataHoarder : r/unRAID
![It turns out that the rotational speed of some Western Digital HDDs differs from the nominal specifications - GIGAZINE It turns out that the rotational speed of some Western Digital HDDs differs from the nominal specifications - GIGAZINE](https://i.gzn.jp/img/2020/09/08/western-digital-hdd-rpm-class/03_m.jpg)
It turns out that the rotational speed of some Western Digital HDDs differs from the nominal specifications - GIGAZINE
![8TB Western Digital WD80EZAZ HDD – Some disks not showing up in BIOS, but perfectly fine in external USB case - Desktop & Mobile Drives - WD Community 8TB Western Digital WD80EZAZ HDD – Some disks not showing up in BIOS, but perfectly fine in external USB case - Desktop & Mobile Drives - WD Community](https://global.discourse-cdn.com/wd/original/3X/0/3/03a17c9cb94c590f00c85711dd166b4e8e6382a7.png)
8TB Western Digital WD80EZAZ HDD – Some disks not showing up in BIOS, but perfectly fine in external USB case - Desktop & Mobile Drives - WD Community
![WD80EZAZ - Western Digital WD80EZAZ White 8TB SATA 6Gb/s 5400RPM 256MB Cache 3.5-inch Internal Hard Drive - serverevolution.com WD80EZAZ - Western Digital WD80EZAZ White 8TB SATA 6Gb/s 5400RPM 256MB Cache 3.5-inch Internal Hard Drive - serverevolution.com](https://serverevolution.com/media/catalog/product/cache/64b96665759ec6608c35f87eedcf2f7b/w/d/wd80ezaz.jpg)
WD80EZAZ - Western Digital WD80EZAZ White 8TB SATA 6Gb/s 5400RPM 256MB Cache 3.5-inch Internal Hard Drive - serverevolution.com
![8TB Western Digital WD80EZAZ HDD – Some disks not showing up in BIOS, but perfectly fine in external USB case - Desktop & Mobile Drives - WD Community 8TB Western Digital WD80EZAZ HDD – Some disks not showing up in BIOS, but perfectly fine in external USB case - Desktop & Mobile Drives - WD Community](https://global.discourse-cdn.com/wd/optimized/3X/5/b/5b32ee40a1c51c6042e4d90d08b5bd8e7b1cf2df_2_668x500.png)
8TB Western Digital WD80EZAZ HDD – Some disks not showing up in BIOS, but perfectly fine in external USB case - Desktop & Mobile Drives - WD Community
![WD 3,5" 8TB interne Festplatte SATA III 256MB Cache IntelliPower WD80EZAZ: Amazon.de: Computer & Zubehör WD 3,5" 8TB interne Festplatte SATA III 256MB Cache IntelliPower WD80EZAZ: Amazon.de: Computer & Zubehör](https://m.media-amazon.com/images/I/61Dpc8-SfZL._AC_UF894,1000_QL80_.jpg)