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Dependable SATA RI SSD for Gen8 servers. Smooth operation.
816899-B21
HPE 480GB SATA 6G Read Intensive SFF (2.5in) SC 3yr Warranty...
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816899-B21
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- HPE 480GB SATA 6G Read Intensive SFF (2.5in) SC 3yr Warranty SSD For Use with Gen8 Servers and Beyond
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816899-B21 Overview
816899-B21 is a high-performance HDD engineered with a 3.5-inch form factor and a SATA III interface. It delivers a spindle speed of 7200 RPM, a robust storage capacity of 4 TB, a 256 MB cache, and is rated for an annual workload of 180 TB/yr with an MTBF of 1,000,000 hours to meet demanding reliability standards for desktop, server, NAS, and surveillance environments.
816899-B21 further optimizes system efficiency with power consumption figures of 8 Watts during read/write operations and 5 Watts when idle. Enhanced by advanced features such as a helium-sealed design, vibration protection, and dual actuators, this drive is ideally suited for applications in data centers, desktops, NAS systems, and surveillance platforms.
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Request bulk order quote for 816899-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
816899-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
- 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
- 5–55°C
- Product Name
- 816899-B21 Enterprise HDD
- Height
- 1.00 inches
- Width
- 5.79 inches
- Depth
- 4.00 inches
- Weight
- 1.65 lbs
816899-B21 Use Case
VDI Boot Acceleration on Gen8 Servers with HPE 816899-B21 480GB SATA 6G Read-Intensive SSD
In a large enterprise Virtual Desktop Infrastructure (VDI) rollout on HPE ProLiant Gen8 servers, IT deploys the 816899-B21-HPE 480GB SATA 6G Read Intensive SFF (2.5in) SC 3yr Warranty SSD as boot volumes for 250 virtual machines. Leveraging its high read throughput and low latency, the solution cuts concurrent boot and login times by 50%, prevents performance bottlenecks during peak hours, and scales seamlessly beyond Gen8. Benefit: Dramatically improved end-user experience, reduced helpdesk incidents, and faster ROI on hardware investment.
High-Traffic Web Caching for eCommerce with HPE 816899-B21 480GB SATA SSD
An online retailer integrates the 816899-B21-HPE 480GB SATA 6G Read Intensive SFF SSD into its HPE Gen8 web server cluster to cache product images and session data. The read-optimized drive delivers sub-millisecond access to static assets under flash-sale load, boosting page-load speeds by 30% and sustaining 99.9% uptime during peak traffic spikes. Benefit: Enhanced customer engagement, higher conversion rates, and predictable performance under intensive read workloads.
Read-Accelerated Analytics for Financial Reporting on HPE Gen8 with 816899-B21 SSD
A financial services firm uses the 816899-B21-HPE 480GB SATA 6G Read Intensive SSD to store critical OLAP indexes on HPE ProLiant Gen8 servers. By isolating read-heavy data structures on the SSD tier, the company reduces complex query response times by 40%, supports real-time dashboarding, and scales analytics without additional spinning media. Benefit: Faster insight generation, decreased storage footprint, and improved TCO through optimized read performance.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 816899-B21 |  K2P89A |  P04523-B21 |  H6G40A |  870148-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 | 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 | 4 TB | 10 TB | 4 TB | 6 TB | 10 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 |
| 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 210 MB/s | Up to 250 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 | 8.5 Watts | 8.5 Watts | 8.5 Watts |
| Power Consumption (Idle) | 5 Watts | 6 Watts | 6.5 Watts | 5.5 Watts | 5.0 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | 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 | 5–55°C | 5–55°C | 5–55°C | 5–60°C | 5–60°C |
| Product Name | 816899-B21 Enterprise HDD | K2P89A Enterprise Helium-Sealed HDD | P04523-B21 4TB Enterprise HDD | H6G40A 6TB Enterprise Helium-Sealed HDD | Seagate Enterprise HDD 10TB 870148-B21 |
| Height | 1.00 inches | 1 inches | 1.03 inches | 1.0 inches | 1.03 inches |
| Width | 5.79 inches | 5.8 inches | 4.00 inches | 5.8 inches | 5.79 inches |
| Depth | 4.00 inches | 4 inches | 5.79 inches | 4.0 inches | 4.01 inches |
| Weight | 1.65 lbs | 1.2 lbs | 1.6 lbs | 1.4 lbs | 1.65 lbs |
Reviews & Ratings
A
Ayesha Farooq
4
Stable reads and simple deployment.
J
Jonas Richter
4
Predictable performance for read-heavy workloads.
N
Nabeel Arif
4
No downtime since installation. Solid SSD.
H
Henry Cole
4
Meets enterprise expectations for RI storage.
Questions & Answers
What is the storage capacity of the HPE 816899-B21 SSD?
The HPE 816899-B21 SSD provides 480 GB of raw storage capacity, ideal for read-intensive applications.
Which interface and form factor does this SSD use?
This drive uses a SATA 6 Gb/s interface in a 2.5-inch SFF form factor for broad compatibility.
What are the sequential read and write speeds?
It delivers up to 530 MB/s sequential read and up to 150 MB/s sequential write performance.
What is the endurance rating of this SSD?
The drive is rated for 0.3 Drive-Writes-Per-Day (DWPD) over a 3 year period, optimized for read-intensive workloads.
Is the HPE 816899-B21 compatible with Gen8 and later HPE servers?
Yes, it is fully certified for HPE ProLiant Gen8 servers and all subsequent Gen9/Gen10 platforms.
What does the SC 3-year warranty cover?
HPE’s Smart Carrier (SC) 3-year warranty covers hardware defects, with next-business-day replacement service.
How do I install the HPE 816899-B21 SSD?
Installation is tool-less: slide the drive into an available 2.5″ bay equipped with an HPE Smart Carrier tray.
Does this SSD support TRIM and garbage collection?
Yes, it supports SATA TRIM and built-in garbage collection to maintain consistent performance.
What is the mean time to failure (MTTF) rating?
The HPE 816899-B21 SSD has an MTTF of up to 2 million hours for high reliability under continuous operation.
Can I use this SSD in non-HPE servers?
While technically compatible with standard SATA interfaces, full warranty and support are provided only in HPE systems.
What operating temperatures are supported?
The drive operates between 0 °C and 60 °C ambient temperature for standard data center environments.
Does the drive feature hardware encryption?
No, this model is read-intensive and does not include Self-Encrypting Drive (SED) capabilities.
How can I monitor the health of the SSD?
Use HPE Smart Storage Administrator or iLO tools to view SMART attributes and drive health status in real time.
What power consumption should I expect?
Typical active power draw is 4.5 W, with 0.6 W in idle, ensuring energy-efficient operation.
What workloads is this SSD best suited for?
It is optimized for read-heavy workloads such as web servers, virtualization boot volumes, and content delivery.
How do I verify warranty status for the drive?
Enter the serial number on HPE’s warranty lookup tool to confirm coverage and support options.