The Seagate 1.8 TB SAS HDD is a high-performance enterprise-class Serial Attached SCSI (SAS) hard disk drive designed for demanding server and storage environments. With a 2.5-inch small form factor (SFF) and 12 Gb/s SAS interface, it delivers fast, reliable access to large data sets, making it ideal for data centers, RAID systems, virtualization, databases, and high-transaction workloads.
These drives typically spin at 10 000 RPM for improved throughput and reduced latency, combining capacity with performance in a compact design. Various models support features like TurboBoost caching, self-encrypting drive (SED) security, and advanced power management for optimized operation.
High capacity: 1.8 TB data storage — suitable for large datasets and enterprise applications.
10 000 RPM spindle speed: Faster data access and reduced seek times compared with lower-RPM drives.
SAS 12 Gb/s interface: High-speed connectivity minimizes bottlenecks in server/storage environments.
Multisegmented cache (typically 128 MB): Improves I/O throughput and response times.
TurboBoost™ technology: Enhances cache efficiency and accelerates performance under peak loads.
Protection Information (PI): Helps prevent inadvertent data corruption.
PowerChoice™ power management: Allows tailored power usage for better efficiency.
RAID Rebuild support: Improves rebuild speed and data reliability in RAID arrays.
Self-Encrypting Drive (SED): Hardware encryption to secure data at rest.
FIPS 140-2 certification: For compliance with certain government/security standards on select models.
Typical Specifications
| Specification | Details |
|---|---|
| Storage Capacity | 1.8 TB (1800 GB) |
| Interface | SAS 12 Gb/s |
| Form Factor | 2.5" Small Form Factor (SFF) |
| Spindle Speed | 10 000 RPM |
| Cache Size | Typically 128 MB |
| Average Latency | ~2.9 ms |
| Sustained Transfer Rate | ~241–117 MB/s (outer to inner) |
| External Data Rate | Up to 1200 MB/s |
| NAND Type (for smart caching) | eMLC |
| Power (Typical) | ~7.5–7.8 W active |
| Idle Power | ~4.4–4.55 W |
| Operating Temp | 5°C to 55°C |
| Dimensions (H × W × D) | ~15 × 70.1 × 100.5 mm |
| Weight | ~199–230 g |
| Mean Time Between Failures (MTBF) | Enterprise-class reliability ~>2 million hours (varies) |
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