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Dustin Reed
5
High-capacity SATA RI SSD performs consistently.
816919-B21
HPE 1.92TB SATA 6G Read Intensive SFF (2.5in) SC 3yr Warrant...
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816919-B21
- Description:
- HPE 1.92TB SATA 6G Read Intensive SFF (2.5in) SC 3yr Warranty SSD For use with Gen8 Servers and Beyond
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816919-B21 Overview
816919-B21 is a high-performance HDD engineered for enterprise storage applications with a 3.5-inch form factor and a robust SATA III interface. It features a 7200 RPM spindle speed, a substantial storage capacity of 4 TB, and a 128 MB cache, making it ideal for demanding data center and server applications.
This drive is rated for an annual workload of 300 TB/yr and designed with a proven MTBF of 1,200,000 hours, ensuring exceptional reliability with rated operational hours suitable for continuous use. With low power consumption of 8.5 Watts during read/write operations and 5 Watts in idle mode, 816919-B21 also incorporates advanced features such as Helium-Sealed technology, vibration protection, and dual actuator support, making it perfect for desktops, NAS environments, surveillance systems, and other critical applications.
816919-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 816919-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
816919-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- 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
- 300 TB/yr
- Power Consumption (Read/Write)
- 8.5 Watts
- Power Consumption (Idle)
- 5 Watts
- Encryption Support
- No
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 5–60°C
- Product Name
- 816919-B21 Enterprise 4TB HDD
- Height
- 1.0 inches
- Width
- 5.8 inches
- Depth
- 8.0 inches
- Weight
- 2.0 lbs
816919-B21 Use Case
Virtual Desktop Infrastructure Acceleration on Gen8 Servers
In a large call-center deployment running Citrix on HPE ProLiant Gen8 servers, the 816919-B21-HPE 1.92TB SATA 6G Read Intensive SFF (2.5in) SC SSD provides consistently low latency for thousands of concurrent desktop sessions. By offloading read-heavy OS and profile data to high-performance SSDs, IT teams achieve sub-2ms response times under peak load. Benefit: Boosts user productivity, reduces login times by 60%, and extends Gen8 server lifespan with a 3-year warranty.
E-Commerce Transaction Database Optimization
A global online retailer leverages the 816919-B21-HPE SSD in an HPE Gen8 database cluster hosting read-intensive product catalogs and inventory lookups. The SSD’s 1.92TB capacity and SATA 6G throughput sustain 1000+ queries per second, ensuring real-time stock accuracy and rapid page rendering. Benefit: Increases site availability to 99.99%, accelerates page load by 45%, and drives a 12% uplift in conversion rates.
Edge Cache for Content Delivery Networks
An international media company deploys 816919-B21-HPE SSDs in Gen8 edge servers to cache video segments and static assets closer to end users. The high read IOPS and enterprise-grade endurance support millions of daily requests without performance degradation. Benefit: Reduces origin bandwidth by 70%, cuts average content delivery latency to under 50ms, and maintains 24/7 streaming reliability backed by HPE’s 3-year warranty.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 816919-B21 |  875509-B21 |  P04519-B21 |  Q0F40A |  N9Y06B | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Server | Desktop / Server / NAS / Surveillance / Enterprise Storage | Server |
| 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 | 8 TB | 4 TB | 4 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 128 MB | 256 MB | 64 MB | 128 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 150 MB/s | Up to 210 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 300 TB/yr | 550 TB/yr | 180 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8.5 Watts | 8.5 Watts | 8 Watts | 8 W | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 5.0 Watts | 6 Watts | 5 W | 6 Watts |
| Encryption Support | No | 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 | Single | 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 | 5–55°C | 5–60°C | 5–60°C |
| Product Name | 816919-B21 Enterprise 4TB HDD | Seagate Enterprise Capacity 8TB 3.5-Inch SATA III HDD 875509-B21 | P04519-B21 4TB Enterprise SATA HDD | Q0F40A 4TB Enterprise HDD | N9Y06B Enterprise HDD |
| Height | 1.0 inches | 1.03 inches | 1.03 inches | 1 in | 1.03 inches |
| Width | 5.8 inches | 5.79 inches | 5.78 inches | 5.79 in | 5.79 inches |
| Depth | 8.0 inches | 4.00 inches | 4.00 inches | 4 in | 4.00 inches |
| Weight | 2.0 lbs | 1.5 lbs | 1.6 lbs | 1.5 lbs | 2.5 lbs |
Reviews & Ratings
I
Imran Aziz
5
Good fit for Gen8 servers.
P
Paula Nowak
5
Stable read performance under load.
S
Shahbaz Ali
4
Reliable enterprise SSD.
N
Norman Price
4
Meets expectations for RI storage.
Questions & Answers
What is the storage capacity of the HPE 816919-B21 SSD?
The HPE 816919-B21 SSD delivers 1.92 TB of raw storage in a single drive.
Which interface does the HPE 1.92 TB SATA Read Intensive SSD use?
This SSD uses a standard SATA 6 Gb/s interface for broad compatibility with HPE backplanes.
What form factor is the HPE 1.92 TB Read Intensive SSD SKU 816919-B21?
It’s a Small Form Factor (SFF) 2.5-inch drive designed for high-density server bays.
Which HPE servers support the 816919-B21 SSD?
The drive is fully validated for HPE ProLiant Gen8 servers and all subsequent generations.
What does “Read Intensive” mean for this HPE SSD?
“Read Intensive” indicates the drive is optimized for workloads with over 90% read operations and moderate write activity.
What are the performance specifications of the HPE 816919-B21 SSD?
It delivers up to 540 MB/s sequential read and 95 000 random read IOPS for accelerated application performance.
What endurance rating does the HPE 1.92 TB Read Intensive SSD have?
The drive is rated for up to 0.3 drive writes per day over its 3-year warranty period, suitable for read-centric environments.
What warranty coverage does SKU 816919-B21 include?
HPE provides a 3-year limited warranty covering defects in materials and workmanship.
Is the HPE 816919-B21 SSD hot-swap capable?
Yes, the SFF 2.5-inch form factor supports hot-plug insertion and removal for minimal downtime.
Can I use this SSD in RAID configurations?
Absolutely; it’s compatible with HPE Smart Array controllers for RAID 0, 1, 5, 6, 10, 50, and 60 setups.
How does HPE protect data on the 816919-B21 SSD?
It features end-to-end data protection with advanced ECC and S.M.A.R.T. monitoring to ensure data integrity.
What is the mean time between failures (MTBF) for this SSD?
The HPE 1.92 TB Read Intensive SSD has an MTBF rating of 2 million hours for enterprise reliability.
How do I update the firmware on the HPE 816919-B21 SSD?
Use HPE Service Pack for ProLiant or the Smart Storage Administrator to apply firmware updates seamlessly.
How can I monitor the health of the HPE 1.92 TB Read Intensive SSD?
You can monitor drive health and endurance metrics via HPE InfoSight, S.M.A.R.T. attributes, and the Smart Storage Administrator.
Can I install SKU 816919-B21 in non-HPE servers?
While it may function in non-HPE systems with SATA bays, it’s officially supported only in HPE Gen8 and newer servers.
What lifecycle management options are available for the HPE 816919-B21 SSD?
HPE offers proactive service and replacement programs, along with end-of-life notifications for seamless upgrades.