Penerangan
Seagate Exos 20TB SAS is an enterprise-class 3.5-inch hard drive designed for hyperscale data centers, cloud storage, and high-density RAID arrays. Unlike standard consumer drives, it uses a 12Gb/s SAS (Serial Attached SCSI) interface, which provides dual-port redundancy and higher data integrity required for professional server environments.
- Capacity: 20TB.
- Interface: SAS 12Gb/s (backwards compatible with 6Gb/s and 3Gb/s).
- Performance: 7,200 RPM spindle speed with sustained transfer rates up to 285 MB/s.
- Reliability: 2.5 million hours MTBF (Mean Time Between Failures) and a 0.35% Annualized Failure Rate (AFR).
- Recording Technology: Conventional Magnetic Recording (CMR) for stable, consistent performance under heavy workloads.
- Design: Helium-sealed enclosure to reduce friction, power consumption, and weight.
- Controller Compatibility: Because this is a SAS drive, it requires a dedicated SAS HBA or RAID controller. It will not work if plugged directly into a standard consumer SATA port on a motherboard.
- Noise and Heat: As an enterprise drive, it is built for performance over silence; it may run louder and hotter than consumer-grade NAS drives like the IronWolf series.
- Warranty: Typically backed by a 5-year limited warranty from Seagate.
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