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Large capacity SSD suitable for shared storage pools.
P9M79A
HPE MSA 400GB 12G SAS MU LFF CC SSD
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P9M79A
- Description:
- HPE MSA 400GB 12G SAS MU LFF CC SSD
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P9M79A Overview
P9M79A is a high-performance HDD engineered for enterprise storage applications. This 3.5-inch drive utilizes a SATA III interface with a 7200 RPM spindle speed, delivering a capacity of 4 TB and a robust 256 MB cache. It is designed to handle demanding workloads with an annual workload rating of 550 TB/yr and an MTBF of 2,000,000 hours, ensuring reliable 24/7 operation for mission-critical environments.
Optimized for server, desktop, and NAS use, the P9M79A features advanced technologies including a helium-sealed design, vibration protection, and dual actuator architecture to minimize latency and maximize throughput. Its efficient power consumption in both read/write (8 Watts) and idle (5 Watts) modes makes it ideal for modern data centers, surveillance systems, and high-end computing applications.
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Request bulk order quote for P9M79A for additional pricing. Browse the full Hpe Msa Storage Hard Drives series or explore all Hpe products.
P9M79A 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
- P9M79A Enterprise 4TB HDD
- Height
- 1.04 inches
- Width
- 5.79 inches
- Depth
- 4.01 inches
- Weight
- 1.65 lbs
P9M79A Use Case
Virtualized Workload Acceleration with P9M79A-HPE MSA 400GB 12G SAS MU LFF CC SSD
In a hybrid cloud data center, IT administrators integrate the P9M79A-HPE MSA 400GB 12G SAS MU LFF CC SSD into HPE MSA storage arrays to host over 50 virtual machines. Its enterprise-grade flash delivers sub-millisecond latency and high IOPS, reducing VM boot times by 30% and boosting consolidation ratios—driving lower TCO and faster time-to-value.
High-Performance OLTP Database Acceleration on P9M79A-HPE MSA 400GB 12G SAS MU LFF CC SSD
A financial services firm deploys P9M79A-HPE MSA 400GB 12G SAS MU LFF CC SSDs within their HPE MSA SAN to accelerate SQL Server transaction processing. By leveraging consistent low-latency flash and sustained throughput, the solution speeds up query performance by 40%, ensures SLA compliance and supports thousands of concurrent transactions with predictable response times.
Responsive VDI Deployment for Healthcare on P9M79A-HPE MSA 400GB 12G SAS MU LFF CC SSD
A healthcare provider implements VDI on HPE MSA arrays equipped with P9M79A-HPE MSA 400GB 12G SAS MU LFF CC SSDs to deliver instantaneous desktop provisioning and application launch. The optimized flash performance cuts login times by 60%, enhances clinician productivity and secures patient data with robust redundancy and data-at-rest encryption.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 P9M79A |  P9M82A |  J9F50A |  C8R22A |  J9F42A | |
|---|---|---|---|---|---|
| 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 | Server | 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 | 10 TB | 4 TB | 8 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 210 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr | 300 TB/yr | 550 TB/yr | 550 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8 Watts | 8 Watts | 7.2 Watts | 8 Watts |
| Power Consumption (Idle) | 5 Watts | 5 Watts | 6 Watts | 4.5 Watts | 4 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 | 5–55°C | 5–60°C |
| Product Name | P9M79A Enterprise 4TB HDD | P9M82A Enterprise Helium-Sealed HDD | J9F50A Enterprise HDD | C8R22A 8TB Helium-Sealed Enterprise HDD | J9F42A High-Performance HDD |
| Height | 1.04 inches | 1.04 inches | 1.0 inches | 1.03 inches | 1.03 inches |
| Width | 5.79 inches | 4 inches | 5.8 inches | 4.01 inches | 5.78 inches |
| Depth | 4.01 inches | 6.95 inches | 7.0 inches | 5.79 inches | 4.0 inches |
| Weight | 1.65 lbs | 1.4 lbs | 2.3 lbs | 1.5 lbs | 2.2 lbs |
Reviews & Ratings
E
Edward McLeod
4
Consistent throughput and good reliability.
J
Julian Spence
5
Integrated smoothly with existing MSA setup.
V
Victor Branson
3
Stable performance under heavy access.
H
Henry Lockwood
4
Solid option for capacity focused SSD tiers.
Questions & Answers
What is the HPE MSA 400GB 12G SAS MU LFF CC SSD (SKU: P9M79A)?
The HPE MSA 400GB 12G SAS MU LFF CC SSD (P9M79A) is an enterprise-class solid-state drive designed for HPE MSA storage arrays, delivering high performance and reliability.
What performance metrics does the HPE MSA 400GB 12G SAS SSD deliver?
The HPE MSA 400GB SAS SSD delivers up to 12 Gb/s throughput, 100,000+ IOPS, and sub-millisecond latency to accelerate critical applications.
Is the P9M79A SSD compatible with HPE MSA storage systems?
Yes. The P9M79A SSD is fully certified for HPE MSA 1040, 2040, and 2050 arrays, ensuring plug-and-play compatibility and seamless integration.
What form factor and interface does the P9M79A SSD use?
The P9M79A uses a Large Form Factor (3.5-inch) chassis with a 12 Gb/s SAS interface and Common Criteria (CC) certification for enhanced security.