United States$5,000,000+
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Roman Delgado
5
Write-intensive SATA SSD handles sustained writes well.
804671-B21
HPE 800GB SATA 6G Write Intensive SFF (2.5in) SC 3yr Warrant...
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804671-B21
- Description:
- HPE 800GB SATA 6G Write Intensive SFF (2.5in) SC 3yr Warranty SSD For use with Gen8 Servers and Beyond
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804671-B21 Overview
804671-B21 is a robust 3.5-inch HDD engineered for demanding desktop, server, NAS, and surveillance applications. It features a SATA III interface, a 7200 RPM spindle speed, and provides 4 TB of storage capacity complemented by a 256 MB cache. With an annual workload rating of 180 TB/yr and an MTBF of 1,000,000 hours, this drive is built to endure prolonged, high-intensity operations.
Optimized for efficiency, 804671-B21 delivers low power consumption—approximately 8 Watts during active read/write cycles and 6 Watts when idle. Advanced features such as a Helium-Sealed design, vibration protection, and dual actuator technology make it ideal for data centers, high-end desktops, NAS systems, and surveillance setups, ensuring reliable performance in critical storage environments.
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804671-B21 Specifications
- Weight
- 2.2 lbs
- Form Factor
- 3.5-inch
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Desktop / Server / NAS / Surveillance / Enterprise Storage
- Interface
- SATA III
- Storage Capacity
- 4 TB
- Spindle Speed (RPM)
- 7200 RPM
- Average Latency
- N/A
- Annual Workload Rating
- 180 TB/yr
- Power Consumption (Read/Write)
- 8 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Operating Temperature
- 5–55°C
- Height
- 1.03 inches
- Cache (Buffer Size)
- 256 MB
- Data Transfer Rate
- Up to 250 MB/s
- Power Consumption (Idle)
- 6 Watts
- Advanced Features
- Dual Actuator
- Width
- 5.79 inches
- Depth
- 8.74 inches
- Product Name
- 804671-B21 Enterprise HDD
804671-B21 Use Case
High-Performance Transactional Database Acceleration
In an HPE Gen8 ProLiant server cluster running a mission-critical SQL database, the 804671-B21 800 GB SATA 6G Write-Intensive SSD delivers <1 ms latency and 60 TBW endurance. This reduces query response times by 50%, boosts transaction throughput by 2× during peak load, and ensures consistent performance for financial services and e-commerce platforms.
Scalable Virtual Desktop Infrastructure (VDI)
When deploying 200+ virtual desktops on Gen8 and newer HPE servers, the 804671-B21 SSD handles sustained write jobs with 6 Gbit/s throughput and enterprise-grade endurance. This cuts login storms by 40%, accelerates user boot/login times to under 10 seconds, and delivers predictable I/O performance for remote workers and call centers.
Real-Time Log Ingestion and Analytics
In a security operations center (SOC) using HPE Gen8 servers for SIEM, the 804671-B21 SSD sustains high-volume log writes at 6 Gbit/s with Write-Intensive endurance. This enables real-time ingestion of 1 TB/hour of event data, accelerates threat detection by 3×, and maintains data integrity over a 3-year warranty cycle.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 804671-B21 |  B9F51B |  822559-B21 |  Q2U14A |  764927-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 |
| 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 | 10 TB | 8 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 256 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 250 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 180 TB/yr | 180 TB/yr | 180 TB/yr | 550 TB/yr | 180 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 6 Watts | 8 Watts | 8 Watts |
| Power Consumption (Idle) | 6 Watts | 4 Watts | 4 Watts | 5 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 | No | 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 | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | 804671-B21 Enterprise HDD | B9F51B Enterprise HDD | 822559-B21 Enterprise HDD 4TB | Q2U14A Enterprise HDD | Seagate Enterprise 8TB 7200 RPM 256MB Cache Helium-Sealed HDD |
| Height | 1.03 inches | 1.03 inches | 1.00 inches | 1.03 inches | 1.00 inches |
| Width | 5.79 inches | 5.79 inches | 5.79 inches | 5.79 inches | 4.00 inches |
| Depth | 8.74 inches | 8.74 inches | 4.00 inches | 4.01 inches | 5.79 inches |
| Weight | 2.2 lbs | 3.3 lbs | 1.8 lbs | 1.5 lbs | 1.75 lbs |
Reviews & Ratings
A
Ayla Siddiq
4
Reliable performance for transactional systems.
F
Franco DeLuca
4
Predictable write latency.
B
Bilal Ashraf
5
Good option for WI SATA deployments.
S
Scott Henderson
4
Meets expectations for enterprise SSDs.
Questions & Answers
What is the storage capacity of the HPE 804671-B21 SSD?
The HPE 804671-B21 SSD offers 800 GB of usable capacity in a single drive.
Which HPE servers are compatible with the 804671-B21 SSD?
This SSD is fully compatible with HPE ProLiant Gen8 servers and all subsequent generations.
What interface does the HPE 804671-B21 SSD use?
It uses a SATA 6 Gbit/s (SATA III) interface for reliable, backwards-compatible connectivity.
What form factor is the HPE 804671-B21 SSD?
The drive is a Small Form Factor (2.5-inch) with an HPE Smart Carrier tray for hot-swap bays.
What is the warranty coverage for the HPE 804671-B21 SSD?
It includes a standard three-year HPE limited warranty with advance replacement.
What endurance rating does the 800 GB write-intensive SSD have?
It supports up to 10 full drive writes per day (10 DWPD) over the three-year warranty period.
What sequential performance does the HPE 804671-B21 SSD deliver?
It delivers up to 550 MB/s sequential read and 530 MB/s sequential write throughput.
What random I/O performance (IOPS) can I expect?
You can achieve up to 95,000 read IOPS and 35,000 write IOPS for mixed workloads.
Is the HPE 804671-B21 SSD hot-swappable?
Yes, it supports hot-swap installation in any HPE ProLiant drive bay with a Smart Carrier tray.
What data integrity features does this SSD include?
It features end-to-end data protection, LDPC error correction and power-loss data protection.
Does the SSD support hardware encryption?
When paired with a compatible HPE controller, it supports TCG-compliant self-encrypting drive (SED) functionality.
What are the power consumption specifications?
Typical power consumption is 3.5 W active and 0.4 W idle, optimizing data center energy use.
What is the operating temperature range for the drive?
The SSD operates reliably from 0 °C to 60 °C (32 °F to 140 °F).
How do I install the HPE 804671-B21 SSD?
Slide the SSD into an available 2.5-inch hot-swap bay and secure the Smart Carrier latch—no tools required.
Can I use this SSD in RAID configurations?
Yes, it is supported in HPE Smart Array RAID levels 0, 1, 5, 6 and 10 for enhanced performance and redundancy.
How does the HPE 804671-B21 SSD improve total cost of ownership?
By boosting application performance, reducing latency and lowering power consumption, it increases consolidation ratios and cuts overall TCO.