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Name:
861594-B21
- Description:
- HPE 8TB SATA 6G Midline 7.2K LFF (3.5in) SC 1yr Warranty 512e HD
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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
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.
What is the price of 861594-B21?
Pricing for 861594-B21 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for 861594-B21.
Explore more options from Hard Drives & Ssds or explore other 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
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| Advanced Features | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator | Dual Actuator |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 180 TB/yr | 550 TB/yr | 550 TB/yr |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| 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 |
| Depth | 4.01 inches | 4.00 inches | 5.79 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 | No | 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 | 1.04 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 | SATA III | SATA III |
| Operating Temperature | 5–60°C | 5–55°C | 5–55°C | 5–60°C | 5–60°C |
| Power Consumption (Idle) | 5.5 Watts | 6.5 Watts | 6 Watts | 6 Watts | 5.4 Watts |
| Power Consumption (Read/Write) | 8.5 Watts | 8.5 Watts | 8 Watts | 8 Watts | 7.2 Watts |
| Product Name | 861594-B21 Enterprise Storage HDD | H6G54A 4TB 7200 RPM Enterprise HDD | Q2P86A High-Performance Enterprise HDD | 843270-B21 16TB Enterprise HDD | 804616-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 | 10 TB | 4 TB | 4 TB | 16 TB | 8 TB |
| 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 |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Weight | 2.1 lbs | 1.8 lbs | 3.3 lbs | 1.6 lbs | 1.65 lbs |
| Width | 5.79 inches | 5.79 inches | 4 inches | 5.79 inches | 4.00 inches |
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Questions & Answers
Q
What is the capacity of the HPE SKU 861594-B21 drive?
A
The HPE 861594-B21 drive provides 8 TB of storage capacity, ideal for large dataset and archive applications.
Q
Which interface does the HPE 8TB SATA 6G Midline drive use?
A
This drive uses a SATA 3 Gb/s (6 Gb/s native) interface, ensuring broad compatibility with HPE servers and storage arrays.
Q
What form factor does the HPE 8TB Midline drive have?
A
The drive is a Large Form Factor (3.5-inch) unit, designed for standard HPE server bays and storage enclosures.
Q
What rotational speed does the HPE 861594-B21 deliver?
A
It spins at 7,200 RPM, balancing throughput and latency for midline storage workloads.
Q
Does the HPE 8TB SATA drive support sector emulation?
A
Yes, it uses 512e sector emulation, allowing compatibility with legacy operating systems and storage controllers.
Q
What warranty is included with the HPE 8TB SATA Midline drive?
A
HPE provides a 1-year, limited warranty covering defects and hardware failures under normal operation.
Q
What is the MTBF rating for the HPE 861594-B21 drive?
A
The drive is rated for 1.2 million hours MTBF, ensuring reliable performance in enterprise environments.
Q
Which HPE servers and enclosures support this 8TB SATA drive?
A
It is validated for HPE ProLiant Gen9 and Gen10 servers, as well as HPE MSA and Apollo storage enclosures.
Q
Is the HPE 8TB Midline drive hot-pluggable?
A
Yes, it supports front-accessible, hot-swap installation for minimal downtime and easy serviceability.
Q
What workloads are ideal for the HPE 8TB SATA 6G Midline drive?
A
This drive is optimized for capacity-oriented tasks like secondary tier storage, backup, and archiving.
Q
How do I install the HPE 861594-B21 in my server?
A
Slide the hot-swap drive into an available 3.5″ bay, secure the latch, and verify detection in your server’s management console.
Q
Can I use this midline drive in a RAID configuration?
A
Yes, it is fully compatible with hardware RAID controllers and supports RAID levels 0, 1, 5, 6, 10, and 50.
Q
What power consumption does the HPE 8TB SATA 6G Midline drive have?
A
It consumes approximately 8 W active and 4 W idle, helping reduce overall system power draw.
Q
How does HPE classify a Midline drive?
A
Midline drives deliver a balance of capacity and performance for less latency-sensitive, data-heavy workloads.
Q
How can I troubleshoot drive errors on the HPE 861594-B21?
A
Monitor SMART logs via HPE Integrated Lights-Out (iLO), replace failing drives promptly, and review event logs for error codes.
Q
What cooling requirements does the HPE 8TB SATA Midline drive have?
A
Ensure proper airflow in front-to-back server chassis cooling zones, following HPE thermal guidelines for 3.5″ drives.
