This SSD hard drive has a 4 TB storage capacity and works faster than an HDD drive. The form factor is 2.5" which is standard for SSD drives.
From Ecprof
ZA4000NM1A002 - IronWolf 125 ZA4000NM1A002-SSD-4 TB-internal-2.5-SATA
Clove Technology
Seagate IronWolf 125 2.5" 4000 GB Serial ATA III 3D TLC
CCL Computers AMD
4TB Seagate IronWolf 125 2.5" SATA III Solid State Drive