United States
Name:
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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3 Year Extended Warranty
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Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
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.
What is the price of 878566-B21?
Pricing for 878566-B21 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 878566-B21.
Explore more options from Hard Drives & Ssds or explore other 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
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| Advanced Features | Dual Actuator | Dual Actuator | Rotational Vibration Sensors | Dual Actuator | Dual Actuator |
| Annual Workload Rating | 300 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Cache (Buffer Size) | 64 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s |
| Depth | 5.78 inches | 7.2 inches | 5.78 inches | 4.01 inches | 5.79 inches |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Interface | SATA III | SATA III | SATA III | SAS 12Gb/s | SATA III |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 6.5 Watts | 5.2 Watts | 4 W |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 8.5 Watts | 8.5 Watts | 7 W |
| Product Name | 875498-B21 Enterprise HDD | 881785-B21 Enterprise HDD | HGST Ultrastar 10TB Enterprise HDD | 857648-B21 Enterprise Series SAS Hard Drive | 878566-B21 Enterprise HDD |
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Storage Capacity | 4 TB | 4 TB | 10 TB | 4 TB | 6 TB |
| 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 |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Weight | 2.1 lbs | 1.6 lbs | 1.90 lbs | 3.64 lbs | 2.2 lbs |
| Width | 4.00 inches | 5.8 inches | 4.00 inches | 5.79 inches | 4 inches |
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Questions & Answers
Q
What is the HPE 878566-B21 10TB SATA Midline HDD bundle?
A
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.
Q
What interface does this HDD bundle use?
A
Each drive in the bundle uses a standard SATA 6Gb/s interface for broad server and storage compatibility.
Q
What is the rotational speed of these drives?
A
The drives spin at 7,200 RPM, striking a balance between performance and power efficiency.
Q
What does helium-filled technology offer?
A
Helium fill reduces internal turbulence and friction, lowering power consumption and improving reliability.
Q
What does 512e sector formatting mean?
A
512e (512-byte emulation) provides compatibility with legacy systems while offering advanced format efficiency.
Q
What is the form factor of these HDDs?
A
They are 3.5-inch large form factor (LFF) drives designed for enterprise rack servers and storage arrays.
Q
What does “Midline (MDL)” classification indicate?
A
Midline drives deliver a cost-optimized blend of capacity and reliability for nearline or secondary storage workloads.
Q
What is the total storage capacity per drive?
A
Each drive provides 10 terabytes of raw storage capacity.
Q
How many drives are included in the FIO 6-pack bundle?
A
The bundle contains six identical 10 TB Midline SATA HDDs ready for deployment.
Q
What warranty coverage is provided?
A
HPE supplies a 1-year limited warranty covering defects and hardware failures.
Q
What is the mean time between failures (MTBF)?
A
These helium-filled drives are rated for an MTBF of up to 2 million hours.
Q
Can I use these drives in HPE ProLiant servers?
A
Yes, they are fully qualified for HPE ProLiant and other HPE server and storage platforms.
Q
What are the typical power and thermal characteristics?
A
Each drive consumes approximately 6W idle and 7.5W active, with standard 3.5″ server cooling requirements.
Q
Are these drives suitable for archival storage?
A
Yes, their high capacity and cost-effective reliability make them ideal for archival and nearline applications.
Q
How do I install these HDDs?
A
Slide each 3.5″ drive into an HPE-compatible SATA bay and connect the SATA data and power leads—no special configuration is needed.
Q
Do these drives support SMART monitoring?
A
Yes, they support SMART (Self-Monitoring, Analysis, and Reporting Technology) for proactive health monitoring.
