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High capacity SAS drive suited for enterprise backup pools.
846514-B21
HPE 6TB SAS 12G Midline 7.2K LFF (3.5in) SC 1yr Wty Digitall...
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Name:
846514-B21
- Description:
- HPE 6TB SAS 12G Midline 7.2K LFF (3.5in) SC 1yr Wty Digitally Signed Firmware HDD For Use with Gen8/Gen9 or Newer
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$1,020.75
- Price:
$347.0666% off
Quantity:
1
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846514-B21 Overview
846514-B21 is a high-performance HDD designed with a 3.5-inch form factor that connects via a SATA III interface and operates at 7200 RPM. It provides 4 TB of storage capacity along with a 256 MB cache, making it ideal for data-intensive tasks in desktops, servers, NAS, and surveillance systems.
Engineered for continuous operation with an annual workload rating of 300 TB/yr, 846514-B21 delivers reliable performance in demanding environments. With advanced features such as a helium-sealed design, built-in vibration protection, and dual actuator technology, this drive offers efficient power consumption (8 Watts during read/write operations and 5 Watts when idle) and operates reliably within a 5–60°C temperature range.
846514-B21 price is $347.06, a 66% saving from the Hpe list price of $1,020.75. 846514-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 846514-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
846514-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Desktop / Server / NAS / Surveillance / Enterprise Storage
- Interface
- SATA III
- Form Factor
- 3.5-inch
- Storage Capacity
- 4 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
- 300 TB/yr
- Power Consumption (Read/Write)
- 8 Watts
- Power Consumption (Idle)
- 5 Watts
- Encryption Support
- No
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 5–60°C
- Product Name
- 846514-B21 High Performance HDD
- Height
- 1.0 inches
- Width
- 4.0 inches
- Depth
- 5.8 inches
- Weight
- 1.2 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 846514-B21 |  819201-B21 |  872489-B21 |  793683-B21 |  875490-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 | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SAS 12Gb/s | SATA III | SAS 12Gb/s | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 12 TB | 4 TB | 16 TB | 8 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 128 MB | 512 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 250 MB/s |
| Annual Workload Rating | 300 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 180 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 9.0 Watts | 6.0 Watts | 8.5 Watts | 8.9 Watts |
| Power Consumption (Idle) | 5 Watts | 6.0 Watts | 4.0 Watts | 6.5 Watts | 5.9 Watts |
| Encryption Support | No | 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 | 5–60°C | 5–60°C |
| Product Name | 846514-B21 High Performance HDD | Seagate Exos Enterprise 12TB 819201-B21 SAS HDD | 872489-B21 Enterprise Helium-Sealed 4TB HDD | 793683-B21 Enterprise HDD | 875490-B21 High Performance Enterprise HDD |
| Height | 1.0 inches | 1.03 inches | 1.03 inches | 1.04 inches | 1.02 inches |
| Width | 4.0 inches | 5.79 inches | 4.0 inches | 5.79 inches | 4.00 inches |
| Depth | 5.8 inches | 4.02 inches | 5.8 inches | 4.01 inches | 5.79 inches |
| Weight | 1.2 lbs | 3.3 lbs | 2.0 lbs | 2.2 lbs | 1.5 lbs |
Reviews & Ratings
K
Kamran Yousaf
5
Stable performance with digitally signed firmware.
A
Andre Silva
4
Handled large datasets without issues.
S
Saif Rehman
5
Consistent throughput and easy integration.
J
J'rgen Beck
4
Good long term reliability.
Questions & Answers
What is the HPE 846514-B21 6TB SAS 12G Midline HDD?
The HPE 846514-B21 is a 6TB, 7,200 RPM, 3.5-inch SAS 12 Gb/s Midline hard drive with digitally signed firmware and a one-year warranty, designed for HPE Gen8, Gen9 or newer servers.
Which HPE servers are compatible with this drive?
The drive is fully supported in HPE ProLiant Gen8, Gen9, Gen10 and all newer rack and tower servers with 12 Gb/s SAS backplanes.
What does SAS 12G interface mean?
SAS 12G refers to the 12 Gb/s Serial Attached SCSI interface, delivering up to 1.2 GB/s throughput per port for high-performance storage applications.
Can I hot-swap the 846514-B21 drive?
Yes. The drive supports hot-swap in any HPE server bay that accepts 3.5-inch SAS drives, enabling tool-free replacement without system downtime.
What is digitally signed firmware and why is it important?
Digitally signed firmware ensures authenticity and integrity, preventing unauthorized code and protecting your server from malicious firmware attacks.
What warranty covers the HPE 846514-B21 drive?
The drive includes a one-year limited warranty backed by HPE, covering defects in materials and workmanship when used in supported systems.
How do I install the HPE 846514-B21 HDD?
Slide the drive into any compatible 3.5-inch SAS bay, secure the carrier latch, and verify recognition in your HPE Integrated Lights-Out (iLO) or RAID controller BIOS.
Is the drive suitable for RAID configurations?
Yes. The drive is optimized for RAID arrays and is validated on HPE Smart Array controllers for high reliability and performance in data-protected environments.
What performance can I expect from this HDD?
The 7,200 RPM spindle, 12 Gb/s SAS interface and 6 TB capacity deliver up to 215 MB/s sustained sequential throughput for demanding workloads.
What is the drive’s mean time between failures (MTBF)?
The HPE 6TB Midline drive has an MTBF of 1.4 million hours, ensuring enterprise-class reliability in continuous-operation environments.
Is this HDD ideal for long-term archival and backup?
Yes. Its midline design balances capacity and cost, making it perfect for nearline storage, backups, and large-scale archival repositories.
What operating systems support the 846514-B21 drive?
All major OS platforms supported by HPE servers—Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server and VMware ESXi—fully support this HDD.
How do I monitor the drive’s health status?
Use HPE Integrated Lights-Out (iLO) or Smart Storage Administrator (SSA) to view S.M.A.R.T. indicators, temperature, performance metrics and firmware updates.
Can I mix this drive with SSDs in the same array?
Yes. You can combine it with SSDs in tiered storage or caching architectures on HPE Smart Array controllers to optimize performance and capacity.
What cooling and power requirements does this drive have?
The drive draws typical operating power of 9.8 W and requires standard airflow for 3.5-inch SAS bays; HPE servers are preconfigured to meet these specifications.
How does this HDD enhance overall server performance?
The high-capacity 6 TB disk, 12 Gb/s SAS bandwidth and enterprise firmware deliver fast sequential I/O and reliable data access for business-critical applications.
Where can I purchase genuine HPE 846514-B21 drives?
Authorized HPE resellers, the HPE Store and certified partners sell genuine HPE 846514-B21 HDDs with full warranty and support services.