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High-capacity SATA RI SSD performs consistently.
816919-B21
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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.