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SATA HDD bundle simplified large capacity deployment.
878566-B21
HPE 10TB SATA 6G Midline (MDL) 7.2K LFF (3.5 in) LPC 1 yr wa...
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878566-B21
- Description:
- HPE 10TB SATA 6G Midline (MDL) 7.2K LFF (3.5 in) LPC 1 yr warranty helium 512e DS 6-pack FIO HDD bundle
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878566-B21 Overview
878566-B21 is a high-performance HDD engineered in a 3.5-inch form factor with a SATA III interface and a spindle speed of 7200 RPM. It offers a robust capacity of 6 TB paired with a 256 MB cache, an annual workload rating of 550 TB/yr, and an impressive MTBF of 1,000,000 hours for 24x7 reliable operation.
878566-B21 is designed for demanding environments such as data centers, enterprise servers, NAS appliances, and surveillance systems. It features advanced construction with helium-sealed internals, built-in vibration protection, and dual actuator technology while maintaining energy efficiency with a read/write power consumption of 7 W and an idle consumption of 4 W.
878566-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 878566-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
878566-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
- 6 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)
- 7 W
- Power Consumption (Idle)
- 4 W
- 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
- 878566-B21 Enterprise HDD
- Height
- 1.03 inches
- Width
- 4 inches
- Depth
- 5.79 inches
- Weight
- 2.2 lbs
878566-B21 Use Case
Enterprise Backup & Archival Storage Optimization
In a mid-sized financial services firm, IT teams deploy the 878566-B21 HPE 10TB SATA 6G Midline 7.2K LFF HDD bundle across the on-premises backup server to consolidate daily snapshots and long-term archives. The high-density, helium-sealed design delivers 60TB in a single rack unit, reducing backup windows by 30% and cutting storage TCO by 25%, while 512e sector emulation ensures seamless integration with existing tape-based workflows.
High-Capacity Data Warehousing for BI Analytics
A retail analytics provider leverages the HPE 10TB SATA 6G Midline HDD 6-pack in their Hadoop cluster to store terabytes of transaction logs and customer behavior datasets. The 7.2K RPM performance paired with the low-power helium design accelerates bulk data ingest by 40% and lowers energy consumption by 20%, enabling real-time business intelligence queries and faster ROI on data warehousing investments.
Video Surveillance & Media Asset Management
A global security integrator integrates the 878566-B21 HDD bundle into its network-attached storage appliance for high-resolution camera feeds and media archives. With 10TB per drive and a 1-year HPE warranty, the solution supports continuous 4K recording across 200+ cameras, extends retention periods by 50%, and delivers reliable playback performance—ensuring compliance with industry regulations and minimizing data loss risk.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 878566-B21 |  875498-B21 |  833926-B21 |  881785-B21 |  857648-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 | 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 | 6 TB | 4 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 | 64 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 | 300 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 7 W | 8 Watts | 8.5 Watts | 8 Watts | 8.5 Watts |
| Power Consumption (Idle) | 4 W | 5 Watts | 6.5 Watts | 5 Watts | 5.2 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 | Rotational Vibration Sensors | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 878566-B21 Enterprise HDD | 875498-B21 Enterprise HDD | HGST Ultrastar 10TB Enterprise HDD | 881785-B21 Enterprise HDD | 857648-B21 Enterprise Series SAS Hard Drive |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 4 inches | 4.00 inches | 4.00 inches | 5.8 inches | 5.79 inches |
| Depth | 5.79 inches | 5.78 inches | 5.78 inches | 7.2 inches | 4.01 inches |
| Weight | 2.2 lbs | 2.1 lbs | 1.90 lbs | 1.6 lbs | 3.64 lbs |
Reviews & Ratings
H
Haris Raza
4
All drives performed consistently.
O
Oscar Martinez
5
Good value multi drive solution.
T
Tahir Javed
5
Reliable and easy to manage.
A
Anders Holmgren
4
Enterprise ready storage bundle.
Questions & Answers
What is the HPE 878566-B21 10TB SATA Midline HDD bundle?
The HPE 878566-B21 is a 6-pack bundle of 10TB SATA 6Gb/s Midline 7,200 RPM LFF (3.5″) helium-filled hard drives with 512e sector formatting and a 1-year warranty.
What interface does this HDD bundle use?
Each drive in the bundle uses a standard SATA 6Gb/s interface for broad server and storage compatibility.
What is the rotational speed of these drives?
The drives spin at 7,200 RPM, striking a balance between performance and power efficiency.
What does helium-filled technology offer?
Helium fill reduces internal turbulence and friction, lowering power consumption and improving reliability.
What does 512e sector formatting mean?
512e (512-byte emulation) provides compatibility with legacy systems while offering advanced format efficiency.
What is the form factor of these HDDs?
They are 3.5-inch large form factor (LFF) drives designed for enterprise rack servers and storage arrays.
What does “Midline (MDL)” classification indicate?
Midline drives deliver a cost-optimized blend of capacity and reliability for nearline or secondary storage workloads.
What is the total storage capacity per drive?
Each drive provides 10 terabytes of raw storage capacity.
How many drives are included in the FIO 6-pack bundle?
The bundle contains six identical 10 TB Midline SATA HDDs ready for deployment.
What warranty coverage is provided?
HPE supplies a 1-year limited warranty covering defects and hardware failures.
What is the mean time between failures (MTBF)?
These helium-filled drives are rated for an MTBF of up to 2 million hours.
Can I use these drives in HPE ProLiant servers?
Yes, they are fully qualified for HPE ProLiant and other HPE server and storage platforms.
What are the typical power and thermal characteristics?
Each drive consumes approximately 6W idle and 7.5W active, with standard 3.5″ server cooling requirements.
Are these drives suitable for archival storage?
Yes, their high capacity and cost-effective reliability make them ideal for archival and nearline applications.
How do I install these HDDs?
Slide each 3.5″ drive into an HPE-compatible SATA bay and connect the SATA data and power leads—no special configuration is needed.
Do these drives support SMART monitoring?
Yes, they support SMART (Self-Monitoring, Analysis, and Reporting Technology) for proactive health monitoring.