United States$5,000,000+
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J
Jason Kim
5
SAS midline drive delivered stable performance.
846528-B21
HP 3TB 12G SAS 7.2K RPM LFF 3.5IN SC MIDLINE HARD DRIVE
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Name:
846528-B21
- Description:
- HP 3TB 12G SAS 7.2K RPM LFF 3.5IN SC MIDLINE HARD DRIVE
- Rating:
Added to cart 28 times recently
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- Brand:
- Hpe
- Condition:
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846528-B21 Overview
846528-B21 is a high-performance HDD engineered for rigorous data operations, featuring a 3.5-inch form factor and a SATA III interface. It operates at 7200 RPM with a storage capacity of 4 TB, incorporates a 256 MB cache, and is rated for an annual workload of 550 TB/yr, ensuring dependable performance for enterprise environments.
846528-B21 is designed with advanced features such as a helium-sealed construction and dual actuator technology for optimal vibration protection. With efficient power consumption in both read/write and idle modes, this drive is well-suited for data centers, desktop systems, NAS, and surveillance applications.
846528-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 846528-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
846528-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
- 550 TB/yr
- Power Consumption (Read/Write)
- 8 Watts
- Power Consumption (Idle)
- 4 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 5–55°C
- Product Name
- 846528-B21
- Height
- 1.0 inches
- Width
- 5.8 inches
- Depth
- 5.8 inches
- Weight
- 2.2 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 846528-B21 |  765424-B21 |  861676-B21 |  861752-B21 |  864262-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 | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III | SATA III | SATA III | SAS 12Gb/s |
| 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 | 4 TB | 10 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 | 4.17 ms |
| 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 | 550 TB/yr | 300 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 8 Watts | 8 Watts | 9 Watts |
| Power Consumption (Idle) | 4 Watts | 5 Watts | 5 Watts | 5 Watts | 6 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 | 5–55°C | 5–60°C | 5–60°C | 5–55°C | 5–60°C |
| Product Name | 846528-B21 | 765424-B21 High Performance Enterprise HDD | 861676-B21 Enterprise HDD | 861752-B21 Enterprise HDD | 864262-B21 Enterprise HDD |
| Height | 1.0 inches | 1.03 inches | 1.03 inches | 1.03 | 1.03 inches |
| Width | 5.8 inches | 5.79 inches | 4 inches | 4.00 | 5.79 inches |
| Depth | 5.8 inches | 8.26 inches | 5.78 inches | 5.79 | 4.00 inches |
| Weight | 2.2 lbs | 2.3 lbs | 1.5 lbs | 3.25 | 3.00 lbs |
Reviews & Ratings
N
Nabeel Ahmad
5
Consistent throughput for backups.
P
Philippe Martin
5
OEM firmware ensured compatibility.
U
Usman Ghani
4
Good capacity upgrade.
R
Risto Aaltonen
5
Dependable enterprise HDD.
Questions & Answers
What is the storage capacity of the HP 3TB 12G SAS 7.2K RPM LFF 3.5IN SC Midline Hard Drive (SKU: 846528-B21)?
This drive delivers 3 TB of storage, ideal for midline data archiving, backups and general-purpose enterprise workloads.
Which interface does the HP 846528-B21 hard drive use?
It features a 12 Gb/s SAS interface, offering high-throughput data transfers and robust connectivity with HP servers and arrays.
What rotational speed does the HP 3TB SAS midline hard drive run at?
The drive spins at 7 200 RPM, providing a balance of performance and energy efficiency for midline storage applications.
What form factor is the HP 12G SAS 3TB midline drive?
This model is a Large Form Factor (LFF) 3.5-inch drive, compatible with standard HP SAS drive bays in ProLiant servers and enclosures.
Can the HP 846528-B21 hard drive be hot-swapped?
Yes. It is hot-pluggable, allowing installation or removal without powering down supported HP ProLiant servers and storage systems.
What are the primary use cases for the HP 3TB 12G SAS midline drive?
It excels at nearline storage, data archiving, backup, and other general-purpose enterprise applications requiring high capacity.
Which HP servers and storage arrays are compatible with SKU 846528-B21?
It’s fully compatible with HP ProLiant Gen8/Gen9 servers, HP 3PAR StoreServ arrays and other platforms supporting 12 Gb/s SAS drives.
What is the MTBF rating of the HP 3TB 12G SAS hard drive?
This drive offers a Mean Time Between Failures (MTBF) of 1.2 million hours, delivering enterprise-grade reliability.
Does the HP 846528-B21 support RAID configurations?
Yes. When used with HP Smart Array controllers, it supports RAID levels 0, 1, 5, 6, 10, 50 and 60.
What is the operating temperature range for the HP 3TB SAS midline drive?
The operating range is 5 °C to 55 °C (41 °F to 131 °F), ensuring stable performance in standard data center environments.
How much power does the HP 12G SAS 7.2K RPM drive consume?
Typical power draw is 7.8 W during read/write operations and 3.5 W at idle, optimized for energy-efficient storage.
Is the HP 846528-B21 backward compatible with 6G SAS controllers?
Yes. It’s backward compatible with 6 Gb/s SAS systems, though transfer speeds will cap at 6 Gb/s.
Does the HP 3TB 12G SAS drive support hardware encryption?
No. The 846528-B21 is a non-encrypted midline model. For encryption, select an HP Self-Encrypting Drive (SED) variant.
What warranty does HP provide for the 846528-B21 hard drive?
HP offers a 1-year limited warranty covering defects in materials and workmanship under normal operating conditions.
How do I install the HP 846528-B21 midline hard drive?
Slide the drive into an available HP 3.5-inch SAS bay until it clicks, securing the hot-plug connector to the backplane.
Are mounting screws or trays included with the HP 3TB 12G SAS drive?
No. HP drives require server-specific caddies or trays. Mounting screws are not included; use compatible HP carriers.