Toshiba Enterprise20TB 3.5-Inch HDD

Toshiba Enterprise 20TB — a high-capacity 3.5-inch SATA hard drive built for continuous 24/7 operation in servers, NAS arrays, and cloud-scale storage environments.

Using Flux Control Microwave Assisted Magnetic Recording (FC-MAMR) technology, the Toshiba Enterprise 20TB packs ten helium-sealed disks into a standard 3.5-inch form factor, delivering up to 268 MB/s sequential transfer speeds at 7200 RPM. A 512 MB buffer and SATA 6 Gbit/s interface keep latency low under sustained workloads, while the 550 TB/year workload rating and 2.5 million-hour MTBF make it suitable for always-on enterprise environments. CMR recording ensures broad compatibility with RAID controllers and NAS enclosures. Backed by a 5-year warranty.

Key features

• 20 TB capacity with helium-sealed 10-disk design
• FC-MAMR technology for high density and long-term reliability
• 7200 RPM, 512 MB buffer, up to 268 MB/s sequential transfer
• SATA 6 Gbit/s interface, CMR recording for broad RAID compatibility
• Rated for 24/7 operation; 550 TB/year workload rating
• 2.5 million hours MTBF
• 5-year warranty

Specifications

• Model: HDEB00SGEA51F
• Capacity: 20 TB
• Form factor: 3.5 inch
• Interface: SATA 6.0 Gbit/s
• RPM: 7200
• Buffer: 512 MB
• Recording technology: FC-MAMR, CMR
• Sector format: 512e Advanced Format
• Workload rating: 550 TB/year
• MTBF: 2.5 million hours
• Write cache: Persistent Write Cache (power-loss protection)
• Warranty: 5 years

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