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Julian Marks
5
Reliable RI SAS SSD for Gen8 servers. Consistent reads.
816562-B21
HPE 480GB SAS 12G Read Intensive SFF (2.5in) SC 3yr Warranty...
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816562-B21
- Description:
- HPE 480GB SAS 12G Read Intensive SFF (2.5in) SC 3yr Warranty SSD For Use with Gen8 Servers and Beyond
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3 Year Extended Warranty
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816562-B21 Overview
816562-B21 is a high-performance HDD engineered for demanding environments, featuring a 3.5-inch form factor and a SATA III interface. With a spindle speed of 7200 RPM, a robust 4 TB storage capacity, and a 256 MB cache, this drive is designed to handle intensive workloads up to 300 TB/yr. It boasts an MTBF of 1,000,000 hours and is rated for continuous 8,760 hours of operation per year, making it a reliable component in server and enterprise applications.
Optimized for a range of use cases including data centers, desktops, NAS, and surveillance systems, 816562-B21 delivers efficient performance with an 8 Watt read/write power consumption and just 5 Watts when idle. Advanced features such as a helium-sealed design, integrated vibration protection, and dual actuator technology further enhance its reliability and durability under heavy-duty operations.
816562-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 816562-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
816562-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)
- 256 MB
- Average Latency
- N/A
- Data Transfer Rate
- Up to 250 MB/s
- Annual Workload Rating
- 300 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
- 816562-B21
- Height
- 1.03 inches
- Width
- 5.79 inches
- Depth
- 4.00 inches
- Weight
- 1.5 lbs
816562-B21 Use Case
Enterprise Database Acceleration with HPE 816562-B21 480GB SAS 12G Read-Intensive SSD
In a financial services data center running Gen8 servers, IT architects deploy the HPE 816562-B21 480GB SAS 12G Read-Intensive SSD as a read cache layer for mission-critical OLAP databases. This configuration delivers sub-millisecond query latency, improves analytical throughput by up to 60%, and ensures 99.9% SLA compliance for real-time reporting.
Virtual Desktop Infrastructure (VDI) Performance Boost on Gen8 Platforms
A large enterprise implements the HPE 816562-B21 SSD in Gen8 server blades to host hundreds of concurrent virtual desktops. The read-intensive profile accelerates OS boot and application load times by 40%, enhances end-user experience, and reduces storage TCO by extending HDD tiers and lowering energy consumption.
Accelerated Web Content Delivery for E-Commerce Workloads
An online retailer integrates HPE 816562-B21 480GB SAS SSDs into its Gen8 web server cluster to serve product catalogs and user sessions. The high read throughput sustains peak traffic spikes, cuts page-load times by 35%, increases conversion rates by 12%, and maintains consistent performance under flash sale conditions.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 816562-B21 |  P06196-B21 |  822559-B21 |  P04556-B21 |  764904-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 | 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 | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 10 TB | 4 TB | 4 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 256 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 250 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 300 TB/yr | 550 TB/yr | 180 TB/yr | 180 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8.5 Watts | 6 Watts | 8 Watts | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 4.5 Watts | 4 Watts | 4 Watts | 4 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| Helium Sealed | Helium-Sealed | Helium-Sealed | No | 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 | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 816562-B21 | P06196-B21 | 822559-B21 Enterprise HDD 4TB | P04556-B21 | 764904-B21 |
| Height | 1.03 inches | 1.03 inches | 1.00 inches | 1.034 inches | 1.03 inches |
| Width | 5.79 inches | 4.00 inches | 5.79 inches | 5.787 inches | 4.00 inches |
| Depth | 4.00 inches | 5.79 inches | 4.00 inches | 7.111 inches | 5.79 inches |
| Weight | 1.5 lbs | 2.1 lbs | 1.8 lbs | 1.2 lbs | 1.75 lbs |
Reviews & Ratings
S
Samina Parvez
4
Easy install and stable performance under load.
O
Oskar Lindholm
5
Good choice for read-heavy workloads.
H
Hassan Baig
5
No issues since deployment. Performs as expected.
N
Neil Thornton
5
Enterprise SSD with predictable behavior.
Questions & Answers
What is the storage capacity of the HPE 816562-B21 SSD?
The HPE 816562-B21 SSD provides 480 GB of usable flash storage for high-performance server applications.
Which interface does the HPE 816562-B21 SSD use?
The HPE 816562-B21 SSD uses a 12 Gb/s SAS interface to deliver sustained data transfer rates up to 12 Gbps.
What form factor is the HPE 816562-B21 SSD?
The HPE 816562-B21 SSD is a 2.5-inch small form factor (SFF) drive compatible with standard 2.5″ bays.
Is the HPE 816562-B21 SSD compatible with HPE Gen9 and newer servers?
Yes. The HPE 816562-B21 SSD is certified for HPE Gen8 servers and is fully backward- and forward-compatible with Gen9, Gen10, and later systems.
What workloads is the HPE 816562-B21 SSD optimized for?
This SSD is optimized for read-intensive workloads such as boot volumes, content delivery, data warehousing, and database queries.
What warranty does the HPE 816562-B21 SSD include?
The HPE 816562-B21 SSD comes with a 3-year HPE factory warranty and is eligible for optional ProLiant Care Pack support.
Does the HPE 816562-B21 SSD support hot-swapping?
Yes. The HPE 816562-B21 SSD is hot-swap capable, enabling drive replacement or maintenance without server downtime.
What reliability features are built into the HPE 816562-B21 SSD?
The SSD offers up to 2 million hours MTBF, end-to-end data path protection, and automatic bad-block management.
How do I install the HPE 816562-B21 SSD in my server?
Insert the SSD into a compatible 2.5″ SAS drive bay and secure the tray; the HPE system BIOS or Smart Array controller will auto-detect the drive.
Can I use the HPE 816562-B21 SSD in RAID configurations?
Yes. When paired with an HPE Smart Array controller, the SSD supports RAID levels 0, 1, 5, 6, 10, and 50.
Does the HPE 816562-B21 SSD support self-encryption?
Yes. The SSD includes self-encrypting drive (SED) functionality with AES-256 encryption and instant secure erase.
What does “SC” mean in the HPE 816562-B21 model name?
In HPE SSD nomenclature, “SC” denotes Security Certified, indicating built-in self-encrypting drive capabilities.
How can I monitor the health of the HPE 816562-B21 SSD?
Use HPE Integrated Lights-Out (iLO) or the Smart Array Management utility to view SMART attributes, drive health, and firmware status.
Can I update the firmware on the HPE 816562-B21 SSD?
Yes. Firmware updates are available via HPE Smart Storage Administrator or iLO to ensure optimal performance and reliability.
Is the HPE 816562-B21 SSD backward-compatible with 6 Gb/s SAS controllers?
Yes. The SSD automatically negotiates down to 6 Gb/s when connected to legacy SAS controllers.
How do I return or replace a faulty HPE 816562-B21 SSD under warranty?
Initiate an RMA through HPE Support; upon approval, HPE will ship a replacement SSD at no cost within the 3-year warranty period.