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Write-intensive SAS SSD performs reliably under heavy writes.
846432-B21
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HPE 1.6TB SAS 12G Write Intensive SFF (2.5in) SC 3yr Warrant...
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846432-B21
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- HPE 1.6TB SAS 12G Write Intensive SFF (2.5in) SC 3yr Warranty SSD For use with Gen8 Servers and Beyond
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846432-B21 Overview
846432-B21 is a high-performance HDD engineered in a 3.5-inch form factor with a SATA III interface, featuring a 7200 RPM spindle speed. It offers a 6 TB storage capacity along with a 256 MB buffer, an annual workload rating of 550 TB/yr, and an MTBF delivering proven reliability rated at 99.9% operational hours per year.
This drive is designed for use in data centers, desktops, NAS, and surveillance systems while maintaining efficient power consumption of approximately 10 Watts during read/write operations and 5 Watts when idle. Advanced features include a helium-sealed design, integrated vibration protection, and a dual actuator configuration for enhanced performance in demanding environments.
846432-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 846432-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
846432-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
- 6 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
- 550 TB/yr
- Power Consumption (Read/Write)
- 10 Watts
- Power Consumption (Idle)
- 5 Watts
- Encryption Support
- AES 256-bit
- Helium Sealed
- Helium-Sealed
- Drive Bays Supported
- Multi-bay
- Vibration Protection
- Yes
- Advanced Features
- Dual Actuator
- Operating Temperature
- 5–55°C
- Product Name
- 846432-B21
- Height
- 1.03 inches
- Width
- 5.78 inches
- Depth
- 7.36 inches
- Weight
- 2.1 lbs
846432-B21 Use Case
Real-Time Financial Transaction Logging on Gen8 Servers
A trading firm implements the 846432-B21 HPE 1.6TB SAS 12G Write Intensive SFF (2.5in) SC SSD in its Gen8 server cluster to sustain sub-millisecond write latency for every buy/sell order. Benefit: Guarantees consistent, low-latency writes for real-time transaction recording, accelerating trade reconciliation by up to 40% and ensuring data integrity during peak market activity.
Enterprise VDI Boot-Storm Acceleration with Write-Intensive SSDs
An enterprise IT department deploys the 846432-B21 HPE 1.6TB SAS 12G Write Intensive SFF (2.5in) SC SSD in Gen8 servers to host 1,000+ virtual desktops. Benefit: Dramatically reduces boot-storm write bottlenecks by 50%, delivering faster user logins, higher desktop density per chassis and a smoother end-user experience under heavy I/O loads.
High-Throughput ERP Database Consolidation on HPE Gen8
A global manufacturer consolidates multiple transaction-heavy ERP and CRM databases onto Gen8 servers equipped with the 846432-B21 HPE 1.6TB SAS 12G Write Intensive SFF (2.5in) SC SSD. Benefit: Provides sustained write performance for concurrent ledger updates, cutting batch processing windows by 30% and boosting operational agility across global sites.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 846432-B21 |  N9Y06B |  872382-B21 |  Q0F44A |  Q6L97A | |
|---|---|---|---|---|---|
| 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 | Server | 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 / SAS 6Gb/s | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 2.5-inch / 3.5-inch | 3.5-inch |
| Storage Capacity | 6 TB | 4 TB | 8 TB | 10 TB | 4 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 | 64 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 210 MB/s | Up to 250 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr | 180 TB/yr |
| Power Consumption (Read/Write) | 10 Watts | 8 Watts | 8 Watts | 8 Watts | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 6 Watts | 5 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 | 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 | 5–55°C | 5–60°C | 5–60°C | 5–60°C | 5–55°C |
| Product Name | 846432-B21 | N9Y06B Enterprise HDD | 872382-B21 Enterprise HDD | Q0F44A Enterprise HDD | Q6L97A Enterprise HDD |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 5.78 inches | 5.79 inches | 5.79 inches | 5.79 inches | 5.79 inches |
| Depth | 7.36 inches | 4.00 inches | 4.00 inches | 8.70 inches | 4.01 inches |
| Weight | 2.1 lbs | 2.5 lbs | 2.2 lbs | 1.5 lbs | 1.8 lbs |
Reviews & Ratings
S
Sumbul Shah
4
Stable firmware and consistent performance.
K
Krzysztof Mazur
4
Good endurance profile for databases.
H
Haris Latif
5
Smooth installation and no issues.
D
Dean Mitchell
5
Enterprise WI SSD that delivers.
Questions & Answers
What is the capacity and form factor of the HPE 846432-B21 SSD?
The HPE 846432-B21 delivers 1.6 TB of usable capacity in a 2.5-inch small form factor (SFF) design.
What interface and data transfer rate does this SSD support?
It uses a 12 Gb/s SAS interface, providing enterprise-grade throughput optimized for high-performance workloads.
What does “write intensive” mean and is this SSD suitable for high-write workloads?
Write-intensive indicates a high drive-writes-per-day (DWPD) rating, making it ideal for heavy-write applications like databases and virtualization.
Is the HPE 846432-B21 SSD compatible with Gen8 servers and newer models?
Yes, it’s fully qualified for HPE Gen8, Gen9, Gen10 and later servers with Smart Array controllers.