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858596-B21
HPE 2TB 6G SATA 7.2K rpm LFF (3.5in) SC Standard 1 yr Warran...
Federal agencies and Fortune 500 operations source through ORM Systems.
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Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
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.
858596-B21 price is $251.71, a 22% saving from the Hpe list price of $322.71. 858596-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 858596-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
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.
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.
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.
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| 858596-B21 |  804590-B21 |  846514-B21 |  843266-B21 |  861590-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 | SAS 12Gb/s | 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 | 4 TB | 8 TB | 4 TB | 4 TB | 2 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 128 MB | 256 MB | 256 MB | 256 MB | 128 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 180 TB/yr | 550 TB/yr | 300 TB/yr | 300 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 8 Watts | 8 Watts | 8.0 Watts |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 5 Watts | 4 Watts | 5.0 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 | Single | 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 | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 858596-B21 | 804590-B21 Enterprise HDD | 846514-B21 High Performance HDD | 843266-B21 4TB Desktop HDD | 861590-B21 2TB Enterprise HDD |
| Height | 1 inches | 1.03 inches | 1.0 inches | 1.02 inches | 1.03 inches |
| Width | 5.8 inches | 5.79 inches | 4.0 inches | 5.79 inches | 4.00 inches |
| Depth | 4 inches | 7.25 inches | 5.8 inches | 4.01 inches | 5.79 inches |
| Weight | 2.2 lbs | 2.0 lbs | 1.2 lbs | 1.5 lbs | 1.5 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.
Reliable SATA drive for general purpose server storage.
Good performance for daily operations.
OEM compatibility ensured smooth deployment.
Stable and predictable drive.
Decent option for cost conscious builds.
The HPE 858596-B21 provides 2 TB of raw storage capacity, ideal for applications requiring high-volume data retention and fast access.
This drive uses a 6 Gb/s SATA interface, ensuring broad compatibility with HPE ProLiant servers and industry-standard storage controllers.
The HPE 858596-B21 spins at 7,200 RPM, delivering a balanced combination of performance and reliability for general-purpose workloads.
It features a Large Form Factor (LFF) 3.5-inch design, allowing straightforward installation into most HPE server drive bays.
Yes, the HPE 858596-B21 supports hot-swap operation in compatible HPE enclosures, enabling maintenance without server downtime.
This drive includes HPE’s Standard 1-year limited warranty, covering defects in materials and workmanship under normal use.
The 858596-B21 is validated for HPE ProLiant Gen9 and Gen10 servers, including ML, DL, and BL series equipped with SATA backplanes.
Slide the drive into an empty LFF bay until it clicks, then confirm visibility in the System BIOS or HPE Smart Storage Administrator interface.
The drive supports up to 175 MB/s sustained transfer rates, optimizing throughput for sequential read/write operations.
Yes, it includes SMART (Self-Monitoring, Analysis, and Reporting Technology) for proactive health monitoring and predictive failure alerts.
Ideal use cases include bulk data storage, backup repositories, log file management, and low-cost capacity expansion in HPE servers.
Order this drive using SKU 858596-B21, ensuring you receive the genuine HPE 2 TB 6G SATA 7.2K LFF hard drive.
Typical operating power consumption is 7.5 W, balancing energy efficiency with performance for sustained workloads.
The drive operates between 10 °C and 35 °C (50 °F to 95 °F), meeting standard data center climate control requirements.
Unlike SAS drives, the 858596-B21 uses SATA signaling at 6 Gb/s, offering lower cost per gigabyte but with slightly higher latency.
Yes, it is certified for hardware RAID with HPE Smart Array controllers, supporting RAID levels 0, 1, 5, 6, 10, 50, and 60.
United States
