This hard drive from Western Digital has room for 8 TB of data. The form factor is 3.5" the most common for HDD drives.
From Senetic
WD Elements - 8000 GB - 3.2 Gen 1 (3.1 Gen 1) - Black (WDBWLG0080HBK-EESN)
Gadcet
WD Elements 8TB External USB3.0 Desktop Hard Drive/HDD Black
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