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High capacity SATA drive handled archival data well.
857648-B21
HPE 10TB SATA 6G Midline 7.2K LFF (3.5in) SC 1yr Wty Helium...
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857648-B21
HPE 10TB SATA 6G Midline 7.2K LFF (3.5in) SC 1yr Wty Helium...
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857648-B21 is a high-performance HDD built in a 3.5-inch form factor and engineered with a SAS 12Gb/s interface. It spins at 7200 RPM and offers a total storage capacity of 4 TB with a substantial 256 MB cache. The drive is rated for an annual workload of 550 TB/yr and is backed by an MTBF of 1,200,000 hours, making it ideal for applications demanding reliability rated for continuous, 24x7 operation.
857648-B21 also incorporates advanced features including a helium-sealed design, robust vibration protection, and dual actuator technology to ensure optimal performance in challenging environments. Its tailored power consumption during both read/write (8.5 Watts) and idle (5.2 Watts) modes further solidify its place in mission-critical deployments such as data centers, desktops, NAS systems, and surveillance networks.
857648-B21 price is $496.00, a 73% saving from the Hpe list price of $1,839.00. 857648-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 857648-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
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 857648-B21 |  858596-B21 |  834028-B21 |  846528-B21 |  861756-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 | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SAS 12Gb/s | SATA III | SATA III | SATA III | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 4 TB | 4 TB | 4 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 128 MB | 128 MB | 256 MB | 128 MB |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 210 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 550 TB/yr | 180 TB/yr | 300 TB/yr | 550 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8.5 Watts | 8 Watts | 10 Watts | 8 Watts | 8.0 Watts |
| Power Consumption (Idle) | 5.2 Watts | 5 Watts | 8 Watts | 4 Watts | 5.0 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | No |
| Helium Sealed | Helium-Sealed | Helium-Sealed | 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 | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–55°C | 5–60°C |
| Product Name | 857648-B21 Enterprise Series SAS Hard Drive | 858596-B21 | 834028-B21 Enterprise 4TB SATA HDD | 846528-B21 | 861756-B21 |
| Height | 1.03 inches | 1 inches | 1.03 inches | 1.0 inches | 1.0 inches |
| Width | 5.79 inches | 5.8 inches | 4.00 inches | 5.8 inches | 5.8 inches |
| Depth | 4.01 inches | 4 inches | 5.78 inches | 5.8 inches | 6.9 inches |
| Weight | 3.64 lbs | 2.2 lbs | 2.8 lbs | 2.2 lbs | 2.0 lbs |
High capacity SATA drive handled archival data well.
Quiet operation and stable throughput.
OEM firmware avoided issues.
Good long term reliability.
Dependable midline HDD.
The HPE 857648-B21 hard drive delivers 10 TB of raw storage capacity for high-density data environments.
This drive uses a SATA 6 Gb/s interface for broad compatibility and reliable data transfer.
The drive spins at 7,200 RPM to balance performance and energy efficiency.
It is a Large Form Factor (LFF) 3.5-inch enterprise-class drive.