Seagate BarraCuda 3.5″ HDD
Model Series: BarraCuda
Form Factor: 3.5-inch
Available Capacities: 1TB (ST1000DM010), 2TB (ST2000DM005/ST2000DM008), 4TB (ST4000DM004/ST4000DM005)
Interface: SATA 6Gb/s
Rotational Speed: 5400 RPM (1TB, 2TB, 4TB CMR models); 7200 RPM (select 3TB models, not listed in capacities)
Cache Size: 64MB (1TB), 256MB (2TB/4TB CMR models), 64MB (4TB SMR model ST4000DM005)
Max Sustained Transfer Rate: Up to 190 MB/s (4TB CMR)
Recording Technology: CMR (1TB, 4TB ST4000DM004); SMR (2TB, 3TB, 4TB ST4000DM005)
Workload Rating: Not specified for desktop use (optimized for intermittent workloads)
Warranty: 2-year limited
Features: Multi-Tier Caching Technology (MTC) for improved read/write performance, energy-efficient design, DiscWizard software for drive management.
Seagate SkyHawk 3.5″ HDD
Model Series: SkyHawk
Form Factor: 3.5-inch
Available Capacities: 1TB, 2TB, 4TB, 6TB, 8TB (AI models start at 8TB)
Interface: SATA 6Gb/s
Rotational Speed: 7200 RPM
Cache Size: 64MB (1TB), 256MB (4TB+ CMR models)
Workload Rating: Up to 180 TB/year (standard SkyHawk); 550 TB/year (SkyHawk AI models)
Recording Technology: CMR (all listed capacities)
Features: ImagePerfect firmware for zero dropped frames in surveillance, supports up to 64 HD cameras (AI models), SkyHawk Health Management, RAID RapidRebuild support, rotational vibration sensors for multi-bay systems.
Warranty: 3-year limited (standard)
Seagate IronWolf 3.5″ HDD
Model Series: IronWolf
Form Factor: 3.5-inch
Available Capacities: 1TB, 2TB, 3TB, 4TB, 6TB, 8TB, 10TB, 12TB, 14TB, 16TB
Interface: SATA 6Gb/s
Rotational Speed: 7200 RPM
Cache Size: 64MB (1TB), 256MB (4TB+ models)
Workload Rating: 180 TB/year (standard); 300 TB/year (IronWolf Pro)
Recording Technology: CMR (all capacities)
Features: Optimized for NAS systems up to 16 bays, AgileArray firmware for RAID performance, IronWolf Health Management, data recovery services included (Rescue Services), rotational vibration sensors.
Warranty: 3-year limited (standard)
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