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Reliable 10K drive with good capacity. Ideal for enterprise servers.
872481-B21
1.8TB SAS 10K SFF SC 512E DS HDD PL-SI NO DEAL REG
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872481-B21
1.8TB SAS 10K SFF SC 512E DS HDD PL-SI NO DEAL REG
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872481-B21 is a high-performance HDD engineered for enterprise-grade environments, featuring a 3.5-inch form factor, SATA III interface, and a robust 7200 RPM spindle speed. It delivers an 8 TB storage capacity with a 256 MB buffer and is rated for an annual workload of 550 TB/yr, offering strong reliability and dependable MTBF performance suited for continuous operations.
Optimized for demanding applications, this drive incorporates advanced features such as helium-sealed technology, integrated vibration protection, and dual actuator support. Commonly used in data centers, desktops, NAS, and surveillance systems, 872481-B21 also ensures efficient power consumption with 8 Watts during read/write operations and 4 Watts at idle, making it ideal for 24×7 operational environments.
872481-B21 price is $312.23, a 76% saving from the Hpe list price of $1,300.98. 872481-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 872481-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
In large VMware vSphere clusters, integrating the 872481-B21 1.8TB SAS 10K SFF SC 512E DS HDD delivers sustained 200 MB/s sequential throughput and 180K IOPS for demanding VM workloads. Benefit: Dramatically reduced VM boot times and live-migration latency, ensuring consistently low storage latency and optimized resource utilization.
For financial services running high-volume OLTP databases (Oracle, SQL Server), the 872481-B21 SAS 10K HDD provides enterprise-grade reliability and 4 K read/write response times under heavy transaction loads. Benefit: Sub-millisecond transaction processing, improved SLA compliance, and minimized risk of I/O bottlenecks during peak trading hours.
In hybrid data-warehouse architectures (HPE Apollo, Dell EMC PowerEdge), deploying the 872481-B21 1.8TB SAS 10K SFF HDD in the hot-data tier accelerates scan-intensive queries and ETL pipelines. Benefit: Up to 30% faster report generation and real-time analytics, delivering actionable insights with low storage latency and predictable throughput.
To get the detailed certification, please go to the Compliance Center.
 872481-B21 |  870757-B21 |  873359-B21 |  Q6M04A |  781516-B21 | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Desktop / Server / NAS / Surveillance | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SAS 12Gb/s | SATA III | SATA III / SATA II / SAS 6Gb/s / SAS 12Gb/s | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 8 TB | 4 TB | 10 TB | 8 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 128 MB | 256 MB | 256 MB | 64 MB |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 180 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8.5 Watts | 7.5 Watts | 7.5 Watts | 8 Watts |
| Power Consumption (Idle) | 4 Watts | 6.0 Watts | 5 Watts | 5.5 Watts | 5 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| Helium Sealed | Helium-Sealed | No | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Advanced Features | Dual Actuator | Rotational Vibration Sensors | Dual Actuator | Dual Actuator | N/A |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–55°C |
| Product Name | 872481-B21 | 870757-B21 Ultra Performance Enterprise HDD | 873359-B21 High-Performance HDD | Q6M04A Enterprise Helium HDD | 781516-B21 4TB Enterprise HDD |
| Height | 1.03 inches | 1.0 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 4.00 inches | 4.0 inches | 5.78 inches | 4.00 inches | 5.8 inches |
| Depth | 5.79 inches | 5.8 inches | 4.02 inches | 5.78 inches | 4.0 inches |
| Weight | 1.2 lbs | 1.8 lbs | 3.53 lbs | 1.85 lbs | 1.5 lbs |
Reliable 10K drive with good capacity. Ideal for enterprise servers.
Installed smoothly and performs consistently under load.
Stable firmware and predictable performance.
Good choice for production environments. No failures experienced.
Meets HPE quality expectations. Solid and dependable.
The 872481-B21 HDD provides a 1.8 TB native storage capacity, ideal for high-density enterprise applications.
The 872481-B21 drive uses a 12 Gb/s Serial Attached SCSI (SAS) interface for high-speed data transfers.
The 872481-B21 HDD spins at 10,000 RPM, delivering balanced performance and reliability for mixed workloads.
The 872481-B21 comes in a 2.5-inch small form factor (SFF), fitting standard hot-swap drive bays in modern servers.