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Write intensive SSD boosted transactional workloads.
831725-B21
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HPE 800GB SATA 6G Write Intensive LFF (3.5in) SCC 3yr Warran...
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831725-B21
- Description:
- HPE 800GB SATA 6G Write Intensive LFF (3.5in) SCC 3yr Warranty SSD For use with Gen8 Servers and Beyond
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831725-B21 Overview
831725-B21 is a high-performance 3.5-inch HDD engineered for enterprise storage environments, featuring a SAS 12Gb/s interface and a spindle speed of 7200 RPM. This drive offers a substantial 10 TB capacity, 512 MB cache, an annual workload rating of 550 TB/yr, a robust MTBF of 2,000,000 hours, and a rated reliability of 1,200,000 hours per year.
Optimized for data centers and server applications, 831725-B21 incorporates advanced features such as a helium-sealed design, vibration protection, and dual actuator technology to ensure stable performance under continuous heavy workloads. Its efficient power consumption during read/write (8 Watts) and idle (5 Watts) operations makes it ideally suited for demanding enterprise storage and critical data center environments.
831725-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 831725-B21 for additional pricing. Browse the full Hpe Server 3.5" Hard Drives series or explore all Hpe products.
831725-B21 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Server / Enterprise Storage
- Interface
- SAS 12Gb/s
- Form Factor
- 3.5-inch
- Storage Capacity
- 10 TB
- Spindle Speed (RPM)
- 7200 RPM
- Cache (Buffer Size)
- 512 MB
- Average Latency
- N/A
- Data Transfer Rate
- Up to 250 MB/s
- Annual Workload Rating
- 550 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
- 831725-B21 Enterprise SAS HDD
- Height
- 1.03 inches
- Width
- 5.8 inches
- Depth
- 4 inches
- Weight
- 1.85 lbs
831725-B21 Use Case
High-Throughput Financial Transaction Logging on HPE Gen8 Servers
A global bank deploys HPE 831725-B21 800GB SATA 6G Write Intensive LFF SSDs in Gen8 servers to accelerate real-time transaction logging. The SSD’s sustained write performance and advanced ECC minimize I/O bottlenecks during peak trading hours. Outcome: 45% lower latency on ledger writes, 99.99% uptime for ACID-compliant databases, and a 30% reduction in storage-related audit failures.
Enterprise VDI Acceleration with HPE 800GB Write-Intensive SSD
A multinational consultancy implements large-scale VDI on HPE Gen8 hosts equipped with 831725-B21 SSDs to handle heavy user profile and swap-file writes. The write-optimized NAND design and Write Intensive endurance rating deliver consistent IOPS under concurrent log-on storms. Outcome: 40% faster desktop provisioning, 25% higher VM density per chassis, and a 20% improvement in end-user productivity.
Real-Time IoT Telemetry Ingestion in Manufacturing Environments
An automotive OEM uses HPE Gen8 servers fitted with 831725-B21 800GB SATA 6G Write Intensive LFF SSDs to capture high-volume sensor data from assembly-line robots. The SSD’s sustained write bandwidth and three-year HPE warranty ensure continuous, low-latency event capture. Outcome: 3M+ events per minute ingested without data loss, enabling predictive maintenance alerts and cutting unplanned downtime by 35%.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 831725-B21 |  804634-B21 |  804628-B21 |  846514-B21 |  N9Y45A | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Server / 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 | SAS 12Gb/s | 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 | 10 TB | 8 TB | 8 TB | 4 TB | 10 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 512 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 250 MB/s |
| Annual Workload Rating | 550 TB/yr | 300 TB/yr | 550 TB/yr | 300 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8.0 Watts | 8 Watts | 8 Watts | 9 Watts |
| Power Consumption (Idle) | 5 Watts | 4.0 Watts | 4 Watts | 5 Watts | 5 Watts |
| Encryption Support | No | AES 256-bit | AES 256-bit | No | 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 | 831725-B21 Enterprise SAS HDD | 804634-B21 Enterprise HDD | 804628-B21 | 846514-B21 High Performance HDD | N9Y45A Enterprise Helium HDD |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.0 inches | 1.03 inches |
| Width | 5.8 inches | 4.01 inches | 4.00 inches | 4.0 inches | 5.79 inches |
| Depth | 4 inches | 5.79 inches | 5.80 inches | 5.8 inches | 4.02 inches |
| Weight | 1.85 lbs | 1.7 lbs | 1.16 lbs | 1.2 lbs | 1.8 lbs |
Reviews & Ratings
A
Adil Hussain
4
Handles sustained writes reliably.
N
Nicolas Dupont
5
Installed easily in Gen8 servers.
H
Hamid Raza
4
Good endurance for enterprise use.
P
Pasi Heikkinen
5
Consistent write speeds.
Questions & Answers
What is the HPE 800GB SATA 6G Write Intensive LFF (3.5in) SCC SSD (SKU 831725-B21)?
The HPE 800GB SATA 6G Write Intensive LFF SSD (SKU 831725-B21) is a high-performance, 3.5-inch solid-state drive designed for write-intensive workloads in Gen8 and later HPE servers.
Which HPE server generations are compatible with SKU 831725-B21?
The SSD is certified for Gen8, Gen9, Gen10 and beyond HPE ProLiant and BladeSystem servers that support SATA 6Gb/s LFF drives.
What performance can I expect from the HPE 800GB SATA 6G Write Intensive SSD?
It delivers sequential read speeds up to 550 MB/s and sequential write speeds up to 520 MB/s, ensuring fast data access and consistent throughput for write-heavy applications.
What does “Write Intensive” mean for this HPE SSD?
“Write Intensive” indicates the drive is engineered for high endurance, supporting up to 30 DWPD (Drive Writes Per Day) for mission-critical, heavy-write environments.