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Dependable midline SATA drive for backups.
846510-B21
HPE 6TB SATA 6G Midline 7.2K LFF (3.5in) SC 1yr Wty Digitall...
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Name:
846510-B21
- Description:
- HPE 6TB SATA 6G Midline 7.2K LFF (3.5in) SC 1yr Wty Digitally Signed Firmware HDD
- Rating:
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- Brand:
- Hpe
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- Warranty:
- 3
- List Price:
$1,233.20
- Price:
$209.6483% off
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846510-B21 Overview
846510-B21 is a high-performance HDD designed with a 3.5-inch form factor, featuring a SAS 12Gb/s interface and a 7200 RPM spindle speed. It offers an 8 TB capacity, a 256 MB cache, and an impressive 550 TB/yr annual workload rating, ensuring reliable operation backed by rigorous engineering standards and rated for extensive use hours per year.
846510-B21 is engineered for demanding environments such as data centers, enterprise storage systems, desktops, NAS, and surveillance setups. With advanced features like helium-sealed construction, built-in vibration protection, and dual actuator technology, this drive delivers optimal power consumption of 8 Watts during read/write operations and 5 Watts when idle, providing a balance of performance and energy efficiency.
846510-B21 price is $209.64, a 83% saving from the Hpe list price of $1,233.20. 846510-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 846510-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
846510-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Desktop / Server / NAS / Surveillance / Enterprise Storage
- Interface
- SAS 12Gb/s
- Form Factor
- 3.5-inch
- Storage Capacity
- 8 TB
- Spindle Speed (RPM)
- 7200 RPM
- Cache (Buffer Size)
- 256 MB
- Average Latency
- N/A
- Data Transfer Rate
- Up to 250 MB/s
- Annual Workload Rating
- 550 TB/yr
- Power Consumption (Read/Write)
- 8 Watts
- Power Consumption (Idle)
- 5 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 5–60°C
- Product Name
- 846510-B21
- Height
- 1.03 inches
- Width
- 5.79 inches
- Depth
- 4.01 inches
- Weight
- 1.8 lbs
846510-B21 Use Case
Enterprise Virtualization Storage Expansion with HPE 846510-B21 6TB SATA HDD
In a large financial services data center running VMware ESXi on HPE ProLiant servers, deploying the HPE 846510-B21 6TB SATA 6G Midline 7.2K LFF HDD provides high-capacity, cost-effective nearline storage for virtual machine templates and backups. Digitally signed firmware ensures data integrity and security compliance, while the 7.2K RPM performance delivers consistent throughput for VM provisioning. Outcome: 40% lower TCO per VM, 99.9% SLA uptime and simplified capacity scaling without disrupting production workloads.
Regulatory-Compliant Backup and Archival for Healthcare Records
A regional healthcare provider uses HPE 846510-B21 drives in their HPE StoreOnce backup appliances to archive patient imaging and electronic health records for seven-year retention. The midline 6TB SATA HDD offers high-density, power-efficient storage, and firmware-level security to meet HIPAA and GDPR audit requirements. Outcome: 60% reduction in archival storage costs, 100% data authenticity verification, and streamlined audit readiness with minimal administrative overhead.
24/7 Video Surveillance Retention in Smart City Infrastructure
A municipal smart-city project integrates the HPE 846510-B21 6TB SATA 6G Midline HDD into its HPE ProLiant DL380 servers to store continuous 4K IP camera feeds across 1,000+ cameras. The LFF 3.5-inch form factor maximizes rack-scale capacity, while 7.2K RPM disks balance write performance and power efficiency for uninterrupted recording. Outcome: Extended 90-day footage retention, 30% lower energy consumption, and assured chain-of-custody with digitally signed firmware logging.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 846510-B21 |  P09687-B21 |  P09163-B21 |  H6G54A |  843264-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 | 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 | 8 TB | 8 TB | 10 TB | 4 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 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 | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 8.5 Watts | 8.5 Watts | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 5 Watts | 6.5 Watts | 4 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| 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 | 5–55°C |
| Product Name | 846510-B21 | P09687-B21 Enterprise 8TB SATA HDD | P09163-B21 | H6G54A 4TB 7200 RPM Enterprise HDD | 843264-B21 Enterprise HDD |
| Height | 1.03 inches | 1.03 inches | 1.02 inches | 1.03 inches | 1.0 inches |
| Width | 5.79 inches | 5.8 inches | 4.0 inches | 5.79 inches | 5.8 inches |
| Depth | 4.01 inches | 4.0 inches | 5.8 inches | 4.00 inches | 8.1 inches |
| Weight | 1.8 lbs | 3.65 lbs | 1.2 lbs | 1.8 lbs | 2.2 lbs |
Reviews & Ratings
Z
Zahid Iqbal
5
Good balance of capacity and cost.
A
Andrew Kim
4
Installed easily in Gen9 servers.
R
Rashid Latif
5
Stable performance.
H
Henri Dupont
5
Reliable storage option.
Questions & Answers
What is the storage capacity of the HPE 846510-B21 HDD?
The HPE 846510-B21 HDD provides 6 TB of raw SATA storage capacity.
Which interface does the HPE 846510-B21 HDD use?
This drive uses a SATA 6 Gb/s interface for data transfer.
What is the form factor of the HPE 6 TB Midline HDD?
The HPE 846510-B21 is a 3.5-inch (LFF) form factor drive.
What rotational speed does the HPE 846510-B21 operate at?
The drive spins at 7,200 RPM to balance performance and power efficiency.
What does “Midline” class storage mean for this HDD?
Midline class storage delivers reliable, high-capacity performance optimized for nearline and archival workloads.
What is Digitally Signed Firmware on the HPE 846510-B21?
Digitally Signed Firmware ensures firmware authenticity and integrity, preventing unauthorized code from running on the drive.
What warranty is included with the HPE 846510-B21?
The drive includes a 1-year limited warranty backed by HPE support services.
What does the “SC” designation indicate on this HDD?
SC stands for Smart Carrier, indicating integrated drive health monitoring and secure carrier design.
What is the sequential data transfer rate of this HDD?
The HPE 846510-B21 delivers up to 210 MB/s sequential transfer rates under optimal conditions.
What is the average latency of the HPE 6 TB Midline HDD?
With a 7,200 RPM speed, the average latency is approximately 4.17 ms.
Is the HPE 846510-B21 HDD hot-swappable?
Yes, this drive supports hot-swap capabilities in compatible HPE storage enclosures.
What are the typical use cases for the HPE 846510-B21?
Ideal use cases include nearline storage, backup, archival, and secondary data repository applications.
What is the reliability rating (MTBF) of this HDD?
The HPE 846510-B21 is rated for 1.4 million hours Mean Time Between Failures (MTBF).
What is the power consumption of the HPE 6 TB Midline HDD?
Active power consumption is 9.0 W during read/write and 5.5 W at idle.
What operating temperature range does this drive support?
The drive operates between 5 °C and 55 °C (41 °F to 131 °F).
Which HPE server platforms are compatible with SKU 846510-B21?
This HDD is qualified for HPE ProLiant Gen9, Gen10, and HPE Apollo storage systems.