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858596-B21
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- HPE 2TB 6G SATA 7.2K rpm LFF (3.5in) SC Standard 1 yr Warranty Hard Drive
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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.
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Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
858596-B21
HPE 2TB 6G SATA 7.2K rpm LFF (3.5in) SC Standard 1...
$322.71
$251.71
18 in Global Warehouse
$251.71
22% off
TRUSTED, TRIED, PROVEN
858596-B21 Overview
858596-B21 is a high-performance HDD engineered for demanding applications with a 3.5-inch form factor and a SATA III interface, operating at 7200 RPM with a 4 TB storage capacity and a robust 128 MB cache. It delivers a rated annual workload of 180 TB and an MTBF of 1,000,000 hours, ensuring reliable performance while being built to handle intensive data center, desktop, NAS, and surveillance environments.
Designed for efficiency, this drive consumes approximately 8 Watts during read/write operations and 5 Watts in idle mode, complemented by advanced features such as a helium-sealed design and dual actuator technology with vibration protection. Its versatility and robust construction make 858596-B21 an ideal solution for enterprise storage applications, offering a dependable performance profile across various computing platforms.
What is the price of 858596-B21?
Lowest price of 858596-B21 is $ 251.71. Shop now! Get further exclusive discounts with bulk quotation on 858596-B21
Explore more options from Hard Drives & Ssds or explore other Hpe products.
858596-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 | 4 TB |
| Spindle Speed (RPM) | 7200 RPM |
| Cache (Buffer Size) | 128 MB |
| Average Latency | N/A |
| Data Transfer Rate | Up to 250 MB/s |
| Annual Workload Rating | 180 TB/yr |
| Power Consumption (Read/Write) | 8 Watts |
| Power Consumption (Idle) | 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 | 858596-B21 |
| Height | 1 inches |
| Width | 5.8 inches |
| Depth | 4 inches |
| Weight | 2.2 lbs |
858596-B21 Use Case
SMB Enterprise Backup and Rapid Recovery with 858596-B21-HPE 2TB 6G SATA HDD
In small to mid-sized enterprises, deploying the 858596-B21-HPE 2TB 6G SATA 7.2K rpm LFF (3.5in) SC Standard 1 yr Warranty Hard Drive for overnight server image backups in HPE ProLiant environments reduces backup windows by 35%, accelerates disaster recovery to under 2 hours, and maintains data integrity while minimizing capital expenditure.
High-Density Virtual Machine Storage for HPE ProLiant Servers
Integrating the 858596-B21-HPE 2TB 6G SATA 7.2K rpm LFF (3.5in) SC Standard 1 yr Warranty Hard Drive into VMware clusters on HPE ProLiant DL380 systems delivers stable 150 MB/s sequential throughput per disk, optimizes virtual machine provisioning, and lowers I/O latency by 20%, ensuring predictable performance for mixed workloads.
24/7 Video Surveillance Archival in Security Infrastructure
Implementing the 858596-B21-HPE 2TB 6G SATA 7.2K rpm LFF (3.5in) SC Standard 1 yr Warranty Hard Drive in network video recorders provides reliable sustained writes for continuous HD camera recording, supports over 30 days of compliant footage retention per drive, and reduces total cost of ownership in large-scale surveillance deployments.
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 | 300 TB/yr | 180 TB/yr | 300 TB/yr | 550 TB/yr |
| Average Latency | 4.17 ms | N/A | N/A | N/A | N/A |
| Cache (Buffer Size) | 128 MB | 256 MB | 128 MB | 256 MB | 256 MB |
| Data Transfer Rate | Up to 210 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 250 MB/s |
| Depth | 5.79 inches | 5.8 inches | 4 inches | 4.01 inches | 7.25 inches |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Single |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Encryption Support | AES 256-bit | No | 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 | 1.0 inches | 1 inches | 1.02 inches | 1.03 inches |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Interface | SAS 12Gb/s | SATA III | SATA III | SATA III | SAS 12Gb/s |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Power Consumption (Idle) | 5.0 Watts | 5 Watts | 5 Watts | 4 Watts | 5 Watts |
| Power Consumption (Read/Write) | 8.0 Watts | 8 Watts | 8 Watts | 8 Watts | 8 Watts |
| Product Name | 861590-B21 2TB Enterprise HDD | 846514-B21 High Performance HDD | 858596-B21 | 843266-B21 4TB Desktop HDD | 804590-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 | 2 TB | 4 TB | 4 TB | 4 TB | 8 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 | 1.5 lbs | 1.2 lbs | 2.2 lbs | 1.5 lbs | 2.0 lbs |
| Width | 4.00 inches | 4.0 inches | 5.8 inches | 5.79 inches | 5.79 inches |
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Questions & Answers
Q
What is the capacity of the HPE 858596-B21 hard drive?
A
The HPE 858596-B21 provides 2 TB of raw storage capacity, ideal for applications requiring high-volume data retention and fast access.
Q
Which interface does the HPE 858596-B21 use?
A
This drive uses a 6 Gb/s SATA interface, ensuring broad compatibility with HPE ProLiant servers and industry-standard storage controllers.
Q
What is the rotational speed of this hard drive?
A
The HPE 858596-B21 spins at 7,200 RPM, delivering a balanced combination of performance and reliability for general-purpose workloads.
Q
What form factor is the HPE 858596-B21 hard drive?
A
It features a Large Form Factor (LFF) 3.5-inch design, allowing straightforward installation into most HPE server drive bays.
Q
Is the HPE 2 TB SATA drive hot-swappable?
A
Yes, the HPE 858596-B21 supports hot-swap operation in compatible HPE enclosures, enabling maintenance without server downtime.
Q
What warranty comes with the HPE 858596-B21?
A
This drive includes HPE’s Standard 1-year limited warranty, covering defects in materials and workmanship under normal use.
Q
Which HPE servers are compatible with the 858596-B21 drive?
A
The 858596-B21 is validated for HPE ProLiant Gen9 and Gen10 servers, including ML, DL, and BL series equipped with SATA backplanes.
Q
How do I install the HPE 858596-B21 in an HPE server?
A
Slide the drive into an empty LFF bay until it clicks, then confirm visibility in the System BIOS or HPE Smart Storage Administrator interface.
Q
What is the maximum sustained data transfer rate?
A
The drive supports up to 175 MB/s sustained transfer rates, optimizing throughput for sequential read/write operations.
Q
Does the HPE 858596-B21 support SMART monitoring?
A
Yes, it includes SMART (Self-Monitoring, Analysis, and Reporting Technology) for proactive health monitoring and predictive failure alerts.
Q
What are the typical use cases for this 2 TB SATA drive?
A
Ideal use cases include bulk data storage, backup repositories, log file management, and low-cost capacity expansion in HPE servers.
Q
What is the HPE part number (SKU) for ordering?
A
Order this drive using SKU 858596-B21, ensuring you receive the genuine HPE 2 TB 6G SATA 7.2K LFF hard drive.
Q
How much power does the HPE 858596-B21 consume?
A
Typical operating power consumption is 7.5 W, balancing energy efficiency with performance for sustained workloads.
Q
What are the operating temperature specifications?
A
The drive operates between 10 °C and 35 °C (50 °F to 95 °F), meeting standard data center climate control requirements.
Q
How does the HPE 858596-B21 differ from a SAS drive?
A
Unlike SAS drives, the 858596-B21 uses SATA signaling at 6 Gb/s, offering lower cost per gigabyte but with slightly higher latency.
Q
Can I use this drive for RAID configurations?
A
Yes, it is certified for hardware RAID with HPE Smart Array controllers, supporting RAID levels 0, 1, 5, 6, 10, 50, and 60.
