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861594-B21
HPE 8TB SATA 6G Midline 7.2K LFF (3.5in) SC 1yr Warranty 512...
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.
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.
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%.
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.
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.
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| 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 |
| 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 |
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.
Large capacity SATA drive suitable for data growth.
Consistent speeds under normal workloads.
OEM disk avoided compatibility risks.
Reliable and cost effective.
Solid midline HDD.
The HPE 861594-B21 drive provides 8 TB of storage capacity, ideal for large dataset and archive applications.
This drive uses a SATA 3 Gb/s (6 Gb/s native) interface, ensuring broad compatibility with HPE servers and storage arrays.
The drive is a Large Form Factor (3.5-inch) unit, designed for standard HPE server bays and storage enclosures.
It spins at 7,200 RPM, balancing throughput and latency for midline storage workloads.
Yes, it uses 512e sector emulation, allowing compatibility with legacy operating systems and storage controllers.
HPE provides a 1-year, limited warranty covering defects and hardware failures under normal operation.
The drive is rated for 1.2 million hours MTBF, ensuring reliable performance in enterprise environments.
It is validated for HPE ProLiant Gen9 and Gen10 servers, as well as HPE MSA and Apollo storage enclosures.
Yes, it supports front-accessible, hot-swap installation for minimal downtime and easy serviceability.
This drive is optimized for capacity-oriented tasks like secondary tier storage, backup, and archiving.
Slide the hot-swap drive into an available 3.5″ bay, secure the latch, and verify detection in your server’s management console.
Yes, it is fully compatible with hardware RAID controllers and supports RAID levels 0, 1, 5, 6, 10, and 50.
It consumes approximately 8 W active and 4 W idle, helping reduce overall system power draw.
Midline drives deliver a balance of capacity and performance for less latency-sensitive, data-heavy workloads.
Monitor SMART logs via HPE Integrated Lights-Out (iLO), replace failing drives promptly, and review event logs for error codes.
Ensure proper airflow in front-to-back server chassis cooling zones, following HPE thermal guidelines for 3.5″ drives.
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