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SAS RI SSD delivers strong read performance.
802891-B21
HPE 1.92TB SAS 12G Read Intensive SFF (2.5in) SC 3yr Warrant...
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802891-B21
- Description:
- HPE 1.92TB SAS 12G Read Intensive SFF (2.5in) SC 3yr Warranty SSD For use with Gen8 Servers and Beyond
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802891-B21 Overview
802891-B21 is a robust HDD engineered with a 3.5-inch form factor and a high-speed SATA III interface, delivering outstanding performance at 7200 RPM. With a storage capacity of 4 TB and a generous 128 MB cache, it is designed for environments that demand both capacity and reliability, featuring an annual workload rating of 180 TB/yr and a proven MTBF for continuous operation.
Optimized for enterprise and server use, this drive is built with advanced features such as helium-sealed construction and vibration protection to ensure stable performance and longevity. It also offers efficient power consumption with approximately 8 Watts during read/write operations and 5 Watts in idle, making it ideal for data centers, desktops, NAS, and surveillance systems.
802891-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 802891-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
802891-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)
- 128 MB
- Average Latency
- N/A
- Data Transfer Rate
- Up to 210 MB/s
- Annual Workload Rating
- 180 TB/yr
- Power Consumption (Read/Write)
- 8 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
- 802891-B21 High-Performance HDD
- Height
- 1 inch
- Width
- 5.8 inches
- Depth
- 4 inches
- Weight
- 2.2 lbs
802891-B21 Use Case
802891-B21 HPE 1.92TB SAS 12G Read-Intensive SSD for Real-Time Analytics on Gen8 Servers
A global financial services firm running SAP HANA on Gen8 servers integrates the 802891-B21 HPE 1.92TB SAS 12G Read-Intensive SSD to power real-time risk analysis and trade validation. The drive’s sub-millisecond read latency and sustained IOPS deliver on-demand data access for high-velocity queries. Outcome: 40% faster analytics processing, 30% higher query concurrency, and guaranteed 24/7 availability under a 3-year HPE warranty.
802891-B21 HPE 1.92TB SAS 12G Read-Intensive SSD for VDI Boot-Storm Mitigation on Gen8 Platforms
A multinational enterprise deploys 1,500 virtual desktops on Gen8 servers and equips each array with the 802891-B21 HPE 1.92TB SAS 12G Read-Intensive SSD. By offloading boot storms and profile loads to high-throughput flash, the solution delivers consistent user login under peak demand. Outcome: 50% reduction in login times, 2× higher concurrent session support, and improved end-user experience with enterprise-grade data protection.
802891-B21 HPE 1.92TB SAS 12G Read-Intensive SSD for E-Commerce Content Caching on Gen8 Infrastructure
A leading online retailer leverages Gen8 servers populated with 802891-B21 HPE 1.92TB SAS 12G Read-Intensive SSDs as a caching tier for product catalogs and media assets. Fast sequential and random reads accelerate page rendering during flash sales and peak traffic. Outcome: 70% faster page loads, 15% decrease in cart abandonment, and improved SEO rankings backed by a 3-year HPE support warranty.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 802891-B21 |  791034-B21 |  P06200-B21 |  765044-B21 |  816965-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 | 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 | 4 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 | 128 MB | 128 MB | 128 MB |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 210 MB/s | Up to 210 MB/s | Up to 210 MB/s | Up to 210 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 180 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 8 Watts | 8.5 Watts | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 5 Watts | 6.5 Watts | 5 Watts |
| Encryption Support | No | AES 256-bit | AES 256-bit | AES 256-bit | AES 256-bit |
| Helium Sealed | Helium-Sealed | No | 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 | 5–60°C | 5–60°C | 5–60°C | 5–55°C | 5–55°C |
| Product Name | 802891-B21 High-Performance HDD | 791034-B21 Enterprise HDD | P06200-B21 Enterprise HDD | 765044-B21 Enterprise Helium-Sealed HDD | Seagate Exos X816965-B21 |
| Height | 1 inch | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 5.8 inches | 4.01 inches | 4 inches | 5.79 inches | 4.0 inches |
| Depth | 4 inches | 5.79 inches | 5.8 inches | 4 inches | 5.78 inches |
| Weight | 2.2 lbs | 2.1 lbs | 1.5 lbs | 1.55 lbs | 1.2 lbs |
Reviews & Ratings
Z
Zeeshan Malik
4
Smooth integration and reliable operation.
I
Irena Kovac
4
Consistent throughput for enterprise workloads.
N
Naveed Ashraf
5
No downtime experienced so far.
P
Paul Hendricks
5
Enterprise-ready SAS SSD.
Questions & Answers
What is the HPE 802891-B21 SSD?
The HPE 802891-B21 is a 1.92 TB SAS 12 Gb/s read-intensive SFF (2.5″) solid-state drive with a 3-year warranty, optimized for HPE Gen8 servers and beyond.
Which HPE servers are compatible with the 802891-B21 SSD?
The 802891-B21 SSD is compatible with HPE ProLiant Gen8, Gen9, Gen10 and Gen11 servers that support SAS 12 Gb/s SFF drives.
What workloads is the 1.92 TB read-intensive SSD designed for?
This SSD is ideal for read-heavy workloads such as data analytics, web serving, content delivery and virtualization where random read performance is critical.
What are the performance specifications of this SSD?
The drive delivers up to 250 K random read IOPS, sustained sequential reads of 2.1 GB/s and SAS 12 Gb/s bandwidth with sub-millisecond latency.
What does read-intensive classification mean?
Read-intensive SSDs are optimized for high read I/O with a workload rating up to 3 drive writes per day (DWPD), making them cost-effective for predominantly read workloads.
What form factor and interface does this SSD use?
It uses the industry-standard 2.5-inch SFF form factor with a dual-port SAS 12 Gb/s interface for high availability and performance.
What endurance rating does the 802891-B21 SSD offer?
The SSD is rated for up to 3 DWPD over a 3-year period, providing enterprise-class endurance for read-dominant applications.
What warranty and support are included?
HPE provides a 3-year limited warranty including proactive replacement, firmware updates and access to HPE Support Center resources.
Can I hot-swap the HPE 802891-B21 SSD without downtime?
Yes, the SSD supports hot-plug operations in compatible HPE enclosures, enabling drive replacement without powering down the server.
Does the 1.92 TB SAS SSD require specific firmware?
HPE recommends the latest Smart Array controller firmware and Smart SSD firmware for optimal compatibility and performance.
How do I install the HPE 802891-B21 SSD?
Install the drive into any available SAS 12 Gb/s SFF bay in your HPE ProLiant server, then configure RAID or pass-through in the Smart Array controller utility.
How can I monitor drive health and performance?
Use HPE Systems Insight Manager or SMART reporting via the Smart Array controller to monitor SSD health, endurance, temperature and performance metrics.
Is the 802891-B21 SSD suitable for database applications?
Yes, its high random read IOPS and low latency make it well suited for database query acceleration and high-concurrency transaction processing.
What is the mean time between failures (MTBF)?
This drive has an MTBF rating of 2 million hours under typical operating conditions, ensuring reliable continuous service.
Does this SSD support secure erase or crypto-erase features?
The 802891-B21 SSD supports secure erase commands via the controller to sanitize data in compliance with enterprise security policies.
How do I order the HPE 1.92 TB SAS SSD by part number?
Order using SKU 802891-B21 or HPE part number 802891-B21 through your authorized HPE reseller or HPE online store for guaranteed availability.