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Mixed use SSD handled varied workloads well.
804634-B21
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HPE 1.6TB SATA 6G Mixed Use LFF (3.5in) SCC 3yr Warranty SSD
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804634-B21
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- HPE 1.6TB SATA 6G Mixed Use LFF (3.5in) SCC 3yr Warranty SSD
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804634-B21 Overview
804634-B21 is a high-performance HDD engineered for demanding enterprise environments. This drive features a 3.5-inch form factor with a SATA III interface, a robust 7200 RPM spindle speed, an 8 TB storage capacity, a 256 MB cache, and an annual workload rating of 300 TB/yr. Its design underscores high reliability with an impressive MTBF and is rated for extensive hours of operation in both desktop and server settings.
804634-B21 also integrates advanced features including helium-sealed construction and built-in vibration protection, making it highly suitable for multi-bay configurations in data centers, desktops, NAS, and surveillance systems. With power consumption figures of approximately 8.0 Watts during active read/write operations and 4.0 Watts in idle mode, this HDD exemplifies an optimal balance between high performance and energy efficiency.
804634-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 804634-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
804634-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
- 8 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)
- 8.0 Watts
- Power Consumption (Idle)
- 4.0 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
- 804634-B21 Enterprise HDD
- Height
- 1.03 inches
- Width
- 4.01 inches
- Depth
- 5.79 inches
- Weight
- 1.7 lbs
804634-B21 Use Case
Enterprise Virtualization Consolidation with HPE 804634-B21 SSD
A mid-sized data center consolidates hundreds of virtual machines on HPE ProLiant servers using the 804634-B21 1.6TB SATA 6G Mixed Use LFF (3.5in) SSD’s 50K IOPS and mixed-use endurance. This solution boosts VM density, delivers sub-millisecond responsiveness, lowers storage TCO and is backed by a 3-year SCC warranty.
High-Performance OLTP Database Acceleration in Financial Services
A financial services firm deploys the HPE 804634-B21 1.6TB LFF SATA 6G Mixed Use SSD in mission-critical OLTP clusters to handle thousands of write-intensive transactions per second. By leveraging low latency and sustained throughput, the configuration increases transaction rates by 35%, meets strict SLAs and ensures data integrity under a 3-year SCC warranty.
Rapid Backup and Disaster Recovery for Hybrid Cloud Environments
An MSP integrates the HPE 804634-B21 3.5in LFF SATA 6G Mixed Use SSD into HPE StoreOnce appliances to accelerate backup staging and recovery operations. The drive’s balanced performance and reliability reduce RPOs by 60%, streamline business continuity workflows and deliver predictable support with a 3-year SCC warranty.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 804634-B21 |  881781-B21 |  737261-B21 |  872489-B21 |  Q2P81A | |
|---|---|---|---|---|---|
| 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 / SAS 12Gb/s |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 2.5-inch / 3.5-inch |
| Storage Capacity | 8 TB | 4 TB | 4 TB | 4 TB | 10 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 128 MB | 128 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 210 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 300 TB/yr | 300 TB/yr | 180 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8.0 Watts | 8 Watts | 8.5 Watts | 6.0 Watts | 8 Watts |
| Power Consumption (Idle) | 4.0 Watts | 5 Watts | 5.5 Watts | 4.0 Watts | 5 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 | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 804634-B21 Enterprise HDD | Enterprise Capacity HDD 4TB 7200RPM 881781-B21 | 737261-B21 | 872489-B21 Enterprise Helium-Sealed 4TB HDD | Q2P81A Enterprise HDD |
| Height | 1.03 inches | 1.03 inches | 1 in | 1.03 inches | 1.03 inches |
| Width | 4.01 inches | 5.8 inches | 4 in | 4.0 inches | 4 inches |
| Depth | 5.79 inches | 4 inches | 5.8 in | 5.8 inches | 5.787 inches |
| Weight | 1.7 lbs | 2.1 lbs | 1.6 lbs | 2.0 lbs | 1.2 lbs |
Reviews & Ratings
D
Daniyal Khan
5
Reliable performance in production.
P
Pierre Laurent
5
Installed without any issues.
S
Sameer Qazi
5
Good balance of speed and endurance.
O
Oskari Hiltunen
5
Solid enterprise SSD.
Questions & Answers
What is the storage capacity of the HPE 804634-B21 SSD?
The HPE 804634-B21 SSD offers 1.6TB of raw storage capacity for mixed-use enterprise applications.
Which interface does the HPE 804634-B21 SSD support?
This SSD uses a SATA 6Gb/s interface for broad compatibility with existing server and storage systems.
What form factor is the HPE 804634-B21 SSD?
The drive is a Large Form Factor (3.5-inch) SSD designed for LFF bays in HPE ProLiant servers.
What workload type is the HPE 804634-B21 SSD optimized for?
It is optimized for mixed-use workloads, balancing read/write operations in virtualized and database environments.