Brand: Seagate | Category: Enterprise HDDs
SKU: ST28000NM004D | Part #: ST28000NM004D | MPN: ST28000NM004D
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The Seagate Exos X28 is a 28TB enterprise-class nearline hard drive engineered for high-capacity storage infrastructure requiring maximum density and reliability. Built on conventional magnetic recording (CMR) technology, the X28 delivers sequential performance optimized for large-scale data center deployments, particularly in hyperscale and cloud environments where cost-per-TB economics drive architecture decisions.
Designed for continuous operation in demanding multi-bay enclosures, the Exos X28 combines 28TB capacity in a standard 3.5-inch form factor, enabling organizations to maximize storage density within existing rack and power constraints. The drive integrates Seagate's enterprise-grade reliability features and thermal management to support continuous-duty cycles in temperature-controlled data center environments.
The X28 addresses the enterprise segment's transition toward higher-capacity nearline drives for secondary storage, archival integration, and cost-optimized refresh cycles targeting 2025–2026 deployments. Early adoption spans hyperscale operators, cloud service providers, and enterprise storage teams evaluating next-generation capacity points for petabyte-scale infrastructure modernization.
| Manufacturer | Seagate |
| Brand | Exos |
| Model | X28 |
| Capacity | 28TB |
| ManufacturerPartNumber | ST28000NM004D |
| FormFactor | 3.5-inch |
| RecordingTechnology | CMR (Conventional Magnetic Recording) |
| RotationalSpeed | 7200 RPM |
| DataTransferRate | up to 272 MB/s |
| AverageLookupTime | 8.5 ms |
| CacheSize | 512MB |
| Interface | SATA 6Gb/s |
| PowerConsumption_Operating | approximately 10.5W |
| PowerConsumption_Idle | approximately 5.7W |
| Vibration_NonOperating | 500Hz, 20G peak |
| AnnualizedFailureRate | 0.55% (MTTF rated for continuous use) |
| OperatingTemperatureRange | 0°C to 65°C |
| ReliabilityRating | Designed for continuous duty in data center environments |
| LaunchDate | Q1 2024 |
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| Brand | Seagate |
| Category | Enterprise HDDs |
| SKU | ST28000NM004D |
| Part Number | ST28000NM004D |
| Condition | New |
| Model | X28 |
| Capacity | 28TB |
| ManufacturerPartNumber | ST28000NM004D |
| FormFactor | 3.5-inch |
| RecordingTechnology | CMR (Conventional Magnetic Recording) |
| RotationalSpeed | 7200 RPM |
| DataTransferRate | up to 272 MB/s |
| AverageLookupTime | 8.5 ms |
| CacheSize | 512MB |
| Interface | SATA 6Gb/s |
| PowerConsumption_Operating | approximately 10.5W |
| PowerConsumption_Idle | approximately 5.7W |
| Vibration_NonOperating | 500Hz, 20G peak |
| AnnualizedFailureRate | 0.55% (MTTF rated for continuous use) |
| OperatingTemperatureRange | 0°C to 65°C |
| ReliabilityRating | Designed for continuous duty in data center environments |
| LaunchDate | Q1 2024 |
the Seagate Exos X28 28TB Enterprise Hard Drive suits enterprise data-center storage tiers — all-flash arrays, hyperconverged storage pools (vSAN, Ceph), database backends, and high-throughput backup repositories. It is supported by major server platforms.
Key specifications for the Seagate Exos X28 28TB Enterprise Hard Drive: new condition; manufacturer Seagate; brand Exos; model X28; capacity 28TB; manufacturerpartnumber ST28000NM004D; formfactor 3.5-inch. Manufacturer part number ST28000NM004D. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.