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878566-B21
HPE 10TB SATA 6G Midline (MDL) 7.2K LFF (3.5 in) LPC 1 yr wa...
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
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.
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.
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.
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.
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| 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 |
| 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 |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
SATA HDD bundle simplified large capacity deployment.
All drives performed consistently.
Good value multi drive solution.
Reliable and easy to manage.
Enterprise ready storage 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.
Each drive in the bundle uses a standard SATA 6Gb/s interface for broad server and storage compatibility.
The drives spin at 7,200 RPM, striking a balance between performance and power efficiency.
Helium fill reduces internal turbulence and friction, lowering power consumption and improving reliability.
512e (512-byte emulation) provides compatibility with legacy systems while offering advanced format efficiency.
They are 3.5-inch large form factor (LFF) drives designed for enterprise rack servers and storage arrays.
Midline drives deliver a cost-optimized blend of capacity and reliability for nearline or secondary storage workloads.
Each drive provides 10 terabytes of raw storage capacity.
The bundle contains six identical 10 TB Midline SATA HDDs ready for deployment.
HPE supplies a 1-year limited warranty covering defects and hardware failures.
These helium-filled drives are rated for an MTBF of up to 2 million hours.
Yes, they are fully qualified for HPE ProLiant and other HPE server and storage platforms.
Each drive consumes approximately 6W idle and 7.5W active, with standard 3.5″ server cooling requirements.
Yes, their high capacity and cost-effective reliability make them ideal for archival and nearline applications.
Slide each 3.5″ drive into an HPE-compatible SATA bay and connect the SATA data and power leads—no special configuration is needed.
Yes, they support SMART (Self-Monitoring, Analysis, and Reporting Technology) for proactive health monitoring.
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