Dense 3.5-inch storage
Enterprise capacities up to 22 TB per drive in the standard 3.5-inch form factor for high-density chassis and arrays.
Capacity designed for the long term.
Enterprise 3.5-inch hard drives provide dependable, economical capacity for active archives, network storage and protected backup repositories.
Capacity StorageCapacity & format Interface & speed Response & reliability Recording technology
Durable economics for data at scale.
Enterprise hard drives remain the foundation of cost-efficient bulk storage. SmartComm matches interface, recording technology, workload rating and RAID geometry to the required balance of usable capacity, rebuild exposure and sequential throughput.
Built for persistent data
- Network-attached storage
- Backup repositories
- Active archives
- Object storage
- Video surveillance
- Data lakes
Technical specifications
Broad platform support
7,200 RPM mechanisms with SATA 6 Gb/s or dual-port SAS 12 Gb/s connectivity and 250–300 MB/s sequential throughput.
Continuous operation
Typical access latency from 4 to 8 ms, mean time between failures above 1 million hours and workload ratings up to 550 TB per year.
CMR or SMR
Conventional magnetic recording for predictable random writes, or shingled magnetic recording for compatible sequential and managed-capacity uses.
Configuration guidance
Large drives extend rebuild windows, so capacity plans must account for parity level, hot spares, backup isolation and controller throughput.
| Configuration | Drive layout | Recommended use |
|---|---|---|
| Protected capacity | 12 × 18 TB, RAID 6 | General file services and repositories with dual-parity protection. |
| High-density NAS | 24 × 20 TB | Large shared datasets with filesystem-level resilience and snapshots. |
| Backup repository | 16 × 22 TB | Capacity-optimized retention with independent restore testing and off-site copies. |
Storage positioning
Choose predictable behavior
CMR drives are the standard choice for RAID, NAS and mixed-write environments. SMR can improve density economics where access is sequential and the host stack explicitly supports it. SATA offers broad value; SAS adds dual-port paths and enterprise multipathing for shared storage.