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Large capacity SATA drive suitable for data growth.
861594-B21
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HPE 8TB SATA 6G Midline 7.2K LFF (3.5in) SC 1yr Warranty 512...
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861594-B21
- Description:
- HPE 8TB SATA 6G Midline 7.2K LFF (3.5in) SC 1yr Warranty 512e HD
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861594-B21 Overview
861594-B21 is a high-performance HDD engineered for enterprise storage, featuring a 3.5-inch form factor, SATA III interface, and a 7200 RPM spindle speed. It offers a 10 TB capacity with a 256 MB cache, a high annual workload rating of 550 TB/yr, an MTBF of 1,200,000 hours, and is rated for continuous 24/7 operation in desktop, server, NAS, and surveillance environments.
861594-B21 comes with advanced features including helium-sealed construction, dual actuator technology for enhanced performance, and vibration protection. Its efficient power consumption of 8.5 Watts during read/write operations and 5.5 Watts in idle mode makes it ideal for data centers, high-performance desktops, NAS systems, and surveillance applications.
861594-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 861594-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
861594-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
- 10 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)
- 8.5 Watts
- Power Consumption (Idle)
- 5.5 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 5–60°C
- Product Name
- 861594-B21 Enterprise Storage HDD
- Height
- 1.03 inches
- Width
- 5.79 inches
- Depth
- 4.01 inches
- Weight
- 2.1 lbs
861594-B21 Use Case
Enterprise Compliance Archiving with HPE 861594-B21 8TB SATA 6G Midline Drive
A global financial services firm deploys HPE ProLiant DL380 Gen10 servers populated with 861594-B21-HPE 8TB SATA 6G Midline 7.2K LFF drives to archive 50 TB+ of transaction logs monthly. The 512e sector emulation and sustained 7.2K RPM performance ensure data integrity and regulatory retention compliance, reducing storage TCO by 30%.
Scalable VDI Storage Using HPE 861594-B21 8TB SATA 6G Midline Drives
A regional healthcare network implements a virtual desktop infrastructure on HPE ProLiant Gen10 servers equipped with 861594-B21-HPE 8TB SATA 6G Midline 7.2K LFF drives to support 1,200 clinicians. High-capacity nearline storage and consistent I/O throughput accelerate session launches by 25% while optimizing operational costs.
4K Video Surveillance Retention with HPE 861594-B21 8TB SATA 6G Midline Drives
A smart-city project integrates HPE StoreOnce and StoreEasy arrays with 861594-B21-HPE 8TB SATA 6G Midline 7.2K LFF drives to retain 90 days of 4K camera footage. The drives’ large capacity and robust SATA 6G interface ensure uninterrupted high-throughput recording, lower power draw, and rapid retrieval for security investigations.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 861594-B21 |  843270-B21 |  Q2P86A |  H6G54A |  804616-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 | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III | SATA III | SATA III | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 10 TB | 16 TB | 4 TB | 4 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 | 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 210 MB/s | Up to 250 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 180 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8.5 Watts | 8 Watts | 8 Watts | 8.5 Watts | 7.2 Watts |
| Power Consumption (Idle) | 5.5 Watts | 6 Watts | 6 Watts | 6.5 Watts | 5.4 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | No | 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 | 5–55°C | 5–55°C | 5–60°C |
| Product Name | 861594-B21 Enterprise Storage HDD | 843270-B21 16TB Enterprise HDD | Q2P86A High-Performance Enterprise HDD | H6G54A 4TB 7200 RPM Enterprise HDD | 804616-B21 Enterprise HDD |
| Height | 1.03 inches | 1.03 inches | 1.04 inches | 1.03 inches | 1.03 inches |
| Width | 5.79 inches | 5.79 inches | 4 inches | 5.79 inches | 4.00 inches |
| Depth | 4.01 inches | 4.01 inches | 5.79 inches | 4.00 inches | 5.79 inches |
| Weight | 2.1 lbs | 1.6 lbs | 3.3 lbs | 1.8 lbs | 1.65 lbs |
Reviews & Ratings
N
Naveed Iqbal
5
Consistent speeds under normal workloads.
J
Jorge Ramirez
4
OEM disk avoided compatibility risks.
A
Ahsan Javed
5
Reliable and cost effective.
P
Per Andersson
5
Solid midline HDD.
Questions & Answers
What is the capacity of the HPE SKU 861594-B21 drive?
The HPE 861594-B21 drive provides 8 TB of storage capacity, ideal for large dataset and archive applications.
Which interface does the HPE 8TB SATA 6G Midline drive use?
This drive uses a SATA 3 Gb/s (6 Gb/s native) interface, ensuring broad compatibility with HPE servers and storage arrays.
What form factor does the HPE 8TB Midline drive have?
The drive is a Large Form Factor (3.5-inch) unit, designed for standard HPE server bays and storage enclosures.
What rotational speed does the HPE 861594-B21 deliver?
It spins at 7,200 RPM, balancing throughput and latency for midline storage workloads.