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Balanced mixed-use SAS SSD with consistent performance.
846436-B21
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HP 1.6TB 12G SAS MU-1 SFF
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846436-B21
- Description:
- HP 1.6TB 12G SAS MU-1 SFF
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846436-B21 Overview
846436-B21 is a high-performance HDD crafted with a 3.5-inch form factor and equipped with a SATA III interface, delivering reliable 7200 RPM spindle speed and a capacity of 4 TB. Designed with a 256 MB cache, this drive features an impressive annual workload rating of 550 TB/yr and an MTBF of 2,000,000 hours, ensuring dependable operation under rigorous enterprise conditions.
Engineered for server and enterprise storage applications, 846436-B21 offers robust reliability rated for continuous operation with power consumption of 8 Watts during read/write operations and 5 Watts in idle mode. Advanced features include a helium-sealed design along with built-in vibration protection and dual actuator technology, making it an ideal choice for data centers, desktops, NAS deployments, and surveillance systems.
846436-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 846436-B21 for additional pricing. Browse the full Hpe Server 2.5" Hard Drives series or explore all Hpe products.
846436-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)
- 256 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
- 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
- 846436-B21 High Performance Enterprise HDD
- Height
- 1.03 inches
- Width
- 5.79 inches
- Depth
- 8.74 inches
- Weight
- 1.6 lbs
846436-B21 Use Case
Accelerating Mission-Critical OLTP Databases with HP 846436-B21 1.6TB 12G SAS MU-1 SFF
In a global e-commerce environment, deploying the 846436-B21 HP 1.6TB 12G SAS MU-1 SFF SSD in high-transaction SQL and Oracle database servers delivers sub-millisecond latency and over 250K read/write IOPS. This enables consistent peak-load performance, faster order processing, and superior customer experience.
Optimizing Virtual Desktop Infrastructure Using HP 846436-B21 1.6TB 12G SAS MU-1 SFF
A multinational enterprise implements the 846436-B21 SSD across VMware ESXi hosts to support 1,000+ concurrent VDI sessions. The 12G SAS interface and MU-1 endurance class ensure rapid VM boot-up and consistent I/O throughput, reducing login times by 60% and cutting help-desk support incidents.
Real-Time Data Analytics and Risk Processing with HP 846436-B21 1.6TB 12G SAS MU-1 SFF
In a financial trading firm, integrating the 846436-B21 1.6TB 12G SAS MU-1 SFF drives into in-memory analytics clusters accelerates real-time risk calculations and large-scale data queries. The result is 3× faster decision-making, improved SLA compliance, and lower data center footprint.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 846436-B21 |  P04570-B21 |  P04547-B21 |  P04533-B21 |  K2P93B | |
|---|---|---|---|---|---|
| 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 | Desktop / Server / NAS / Surveillance / Enterprise Storage | 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 | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 64 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 210 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 180 TB/yr | 550 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 6.7 Watts | 9.5 Watts | 8.5 Watts |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 4.5 Watts | 5.0 Watts | 5.2 Watts |
| Encryption Support | AES 256-bit | No | No | AES 256-bit | AES 256-bit |
| Helium Sealed | Helium-Sealed | Helium-Sealed | No | Helium-Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay | Multi-bay | Single | Multi-bay | Multi-bay |
| Vibration Protection | Yes | Yes | No | Yes | Yes |
| Advanced Features | Dual Actuator | Dual Actuator | N/A | Rotational Vibration Sensors | Dual Actuator |
| Operating Temperature | 5–60°C | 5–60°C | 5–55°C | 5–60°C | 5–60°C |
| Product Name | 846436-B21 High Performance Enterprise HDD | P04570-B21 Hard Drive | P04547-B21 | P04533-B21 Enterprise HDD | K2P93B HDD |
| Height | 1.03 inches | 1.03 inches | 1.0 inches | 1.03 inches | 1.03 inches |
| Width | 5.79 inches | 5.79 inches | 5.8 inches | 4.00 inches | 5.79 inches |
| Depth | 8.74 inches | 4.01 inches | 4.0 inches | 5.79 inches | 4.00 inches |
| Weight | 1.6 lbs | 1.6 lbs | 4.5 lbs | 1.5 lbs | 2.20 lbs |
Reviews & Ratings
N
Naila Hussain
4
Handles mixed workloads reliably without throttling.
R
Rikard Svensson
5
Stable operation and good endurance profile.
F
Furqan Aziz
4
Smooth deployment and predictable speeds.
T
Trevor Collins
4
Solid enterprise SSD for daily operations.
Questions & Answers
What is the capacity of the HP 1.6TB 12G SAS MU-1 SFF (SKU 846436-B21)?
The HP 1.6TB 12G SAS MU-1 SFF delivers 1.6 terabytes of raw storage capacity in a small form factor drive, ideal for high-density server applications.
What does 12G SAS mean for this HP drive?
12G SAS refers to a 12 gigabits per second Serial Attached SCSI interface that ensures high throughput, low latency and robust data integrity for enterprise workloads.
Which HP server models are compatible with SKU 846436-B21?
This 1.6TB 12G SAS MU-1 SFF drive is compatible with ProLiant Gen8, Gen9 and Gen10 servers equipped with supported 2.5-inch SAS backplanes.
What is the physical form factor of this drive?
The HP 1.6TB 12G SAS MU-1 SFF uses a 2.5-inch small form factor (SFF) chassis for high-density storage in rack and tower servers.