OVERVIEW :
Model: Seagate BarraCuda 4 TB (commonly ST4000DM004 or ST4000DMZ04) — a 3.5‑inch SATA III drive spinning at 5400 RPM .
Interface: SATA 6 Gb/s (SATA III) 
Cache: 256 MB, boosting read/write efficiency.
Sustained Transfer Rate: Up to ~190 MB/s .
Durability:
Up to 600,000 load/unload cycles
2400 power-on hours per year
Workload rated up to 55 TB/year .
Use Cases: Ideal for desktop PCs, all-in-ones, home servers, and entry-level direct-attached storage (DAS) systems.
 
WARRANTY DETAILS :
Typical Warranty: This 4 TB BarraCuda desktop drive generally comes with a 2-year limited warranty for both parts and labor .
Seagate’s Warranty Policy:
Warranty begins on the date of shipment to the retailer or OEM.
It remains valid until the specified warranty period ends, as indicated in Seagate’s published terms or on the product packaging—whichever is longer .
Variability: Warranty duration can vary based on region or retail agreements; some Barracuda variants even carry a 5-year warranty (e.g., BarraCuda Pro)