Seagate Exos 28TB Enterprise SATA HDD 7200 RPM 512MB Cache CMR
The Seagate Exos ST28000NM000C is a high-capacity 28TB enterprise-class internal hard drive engineered for demanding data center, NAS, and cloud storage environments. With 7200 RPM spindle speed, SATA 6Gb/s interface, and a 512MB cache, this drive delivers reliable, high-performance storage for 24/7 mission-critical workloads. Built with CMR (Conventional Magnetic Recording) technology and helium-sealed design, the Exos 28TB offers superior write performance, data integrity, and energy efficiency for hyperscale applications and enterprise storage arrays.
Key Features
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Massive 28TB Capacity: Store enormous datasets while reducing rack space and the number of drives needed, lowering total cost of ownership
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7200 RPM Spindle Speed: Fast, consistent performance for demanding read/write operations in enterprise environments
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512MB Multi-Segment Cache: Optimises throughput for large data transfers and heavy workloads
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CMR Technology: Conventional Magnetic Recording ensures predictable performance and reliability for RAID and enterprise storage
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Helium Sealed Design: Reduces power consumption and improves reliability with proven side-sealing weld technology
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2.5 Million Hours MTBF: Built for continuous 24/7 operation with enterprise-grade durability
Built for Enterprise and Hyperscale Environments
The Seagate Exos 28TB HDD is purpose-built for the most demanding storage infrastructures. Whether you're running a cloud data center, NAS system, RAID array, or distributed file system (Hadoop, Ceph), this drive delivers the capacity, speed, and reliability required for mission-critical applications. The SATA 6Gb/s interface is tuned for large data transfers and low latency, making it ideal for hyperscale environments.
Superior Performance & Reliability
Designed for 24/7 operation, the Exos ST28000NM000C supports up to 550TB annual workload rate, ensuring long-term reliability in high-density storage systems. With PowerBalance™ and PowerChoice™ technologies, this drive optimises power efficiency without sacrificing performance. The 0.35% AFR (Annualised Failure Rate) and 1 sector per 10E15 non-recoverable read error rate provide confidence for enterprise backup, restore, and archival applications.
Seamless Integration
The standard 3.5-inch form factor integrates seamlessly into enterprise servers, workstations, and NAS enclosures that support SATA hard drives. Compatible with Synology, QNAP, and other leading NAS platforms, the Exos 28TB is perfect for expanding existing storage infrastructure or building new high-capacity arrays.
Ideal Applications
- Hyperscale cloud data centers and scalable storage applications
- Network Attached Storage (NAS) systems
- Massive scale-out (MSO) and high-density data centers
- Big data applications and analytics
- High-capacity RAID storage and enterprise backup solutions
- Distributed file systems including Hadoop and Ceph
- Mainstream enterprise external storage arrays
What's in the Box
- Seagate Exos ST28000NM000C 28TB SATA Hard Drive
Full Specifications
Storage
| Capacity |
28TB |
| Technology |
CMR (Conventional Magnetic Recording) |
| Sector Size |
512e (512 byte emulation) |
Performance
| Spindle Speed |
7200 RPM |
| Interface |
SATA 6Gb/s (backwards compatible with 3.0 Gb/s) |
| Cache |
512MB multi-segmented |
| Max Sustained Transfer Rate |
190 MB/s / 181 MiB/s |
Reliability & Durability
| Mean Time Between Failures (MTBF) |
2,500,000 hours |
| Annual Failure Rate (AFR) |
0.35% at full 24×7 operation |
| Non-Recoverable Read Errors |
1 sector per 10E15 bits read |
| Power-On Hours per Year |
8760 (24×7 operation) |
| Workload Rate Limit |
550TB per year |
Design
| Form Factor |
3.5-inch LFF (Large Form Factor) |
| Helium Sealed |
Yes |
| Hot-Plug Support |
Yes |
| Low Halogen |
Yes |
Features
| PowerChoice™ |
Idle power management technology |
| PowerBalance™ |
Power/Performance optimisation technology |
| Super Parity |
Yes |
| RSA 3072 Firmware Verification |
Yes |
| FastFormat |
Yes (512e) |
Warranty
| Limited Warranty |
6 months (Recertified model) |
Specifications are sourced from the manufacturer product page and may be updated.
