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Calvin Houghton
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Reliable midline SAS drive for MSA arrays. Consistent throughput for backups and general workloads.
J9F51A
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HP MSA 2TB 12G SAS 7.2K 2.5in 512e HDD
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J9F51A
- Description:
- HP MSA 2TB 12G SAS 7.2K 2.5in 512e HDD
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J9F51A Overview
J9F51A is a high-performance HDD engineered for demanding applications, offering a 3.5-inch form factor with support for SATA III and SAS 12Gb/s interfaces. It operates at 7200 RPM, delivers a storage capacity of 4 TB paired with a 256 MB cache, and is rated for an annual workload of 300 TB/yr while achieving an MTBF of 1,000,000 hours to ensure reliable operation.
Optimized for both desktop and server environments as well as NAS and surveillance systems, J9F51A incorporates advanced features such as helium-sealed construction, vibration protection, and a dual actuator design. Its efficient power management and robust engineering make it ideal for data centers, enterprise storage, and other high-demand applications.
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Request bulk order quote for J9F51A for additional pricing. Browse the full Hpe Msa Storage Hard Drives series or explore all Hpe products.
J9F51A 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
- 300 TB/yr
- Power Consumption (Read/Write)
- N/A
- Power Consumption (Idle)
- N/A
- 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
- J9F51A
- Height
- 1.0 inches
- Width
- 4.0 inches
- Depth
- 5.8 inches
- Weight
- 2.0 lbs
J9F51A Use Case
Virtual Infrastructure Acceleration with HP MSA Arrays
Scenario: A global financial services firm integrates J9F51A-HP MSA 2TB 12G SAS 7.2K 2.5in 512e HDD drives into an HP MSA 2050 storage array to host 200+ VMware ESXi virtual machines. Benefit: Delivers consistent sub-1 ms latency and 1,800 IOPS per drive, boosting VM density by 30% while ensuring 99.99% availability and predictable performance under peak load.
High-Speed Backup & Rapid Recovery for Regulated Environments
Scenario: A healthcare organization must complete nightly full-system backups within a 4-hour maintenance window. They deploy J9F51A-HP MSA 2TB 12G SAS 7.2K 2.5in 512e HDDs in a RAID-6 configuration on an HP MSA 2050 array. Benefit: Achieves 50% higher sustained throughput, finishes backups in under 3 hours, and reduces recovery point objective (RPO) to less than 1 hour for critical patient data.
Scalable Database Tiering for E-Commerce Platforms
Scenario: A fast-growing online retailer runs transactional SQL databases on an HP MSA 2050 array. They tier cold archives to J9F51A-HP MSA 2TB 12G SAS 7.2K 2.5in 512e HDDs while keeping hot data on SSDs. Benefit: Cuts storage costs by 35%, sustains sub-1 ms access for high-frequency queries, and scales storage capacity effortlessly beyond 50 TB without disrupting live workloads.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| J9F51A |  N9X92A |  J9F41A |  K2Q45A |  P9M79A | |
|---|---|---|---|---|---|
| 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 | Server / NAS / 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 | 10 TB | 4 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 | 256 MB |
| Average Latency | N/A | N/A | N/A | 8.33 ms | 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 250 MB/s |
| Annual Workload Rating | 300 TB/yr | 550 TB/yr | 300 TB/yr | 300 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | N/A | N/A | 8.5 Watts | 9 Watts | 8 Watts |
| Power Consumption (Idle) | N/A | N/A | 5.5 Watts | 6 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 | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | J9F51A | N9X92A Enterprise HDD | J9F41A Enterprise 10TB Helium HDD | K2Q45A Enterprise 4TB HDD | P9M79A Enterprise 4TB HDD |
| Height | 1.0 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.04 inches |
| Width | 4.0 inches | 5.79 inches | 5.8 inches | 5.79 inches | 5.79 inches |
| Depth | 5.8 inches | 4 inches | 4.0 inches | 4.00 inches | 4.01 inches |
| Weight | 2.0 lbs | 2.0 lbs | 1.5 lbs | 2.0 lbs | 1.65 lbs |
Reviews & Ratings
L
Leonard Whitby
5
Installed easily and recognized immediately. Stable performance day to day.
P
Peter Aldridge
4
Good balance of capacity and reliability for secondary storage.
G
Gordon Ellis
5
Runs quietly and shows no errors in RAID.
M
Marcus Lowell
5
Dependable option for business storage needs.
Questions & Answers
What are the key specifications of the HP MSA 2TB 12G SAS 7.2K 2.5in 512e HDD (SKU J9F51A)?
The HP MSA 2TB 12G SAS 7.2K 2.5in 512e HDD (SKU J9F51A) offers 2 TB capacity, 12 Gb/s SAS interface, 7 200 RPM spindle speed, 2.5-inch form factor, and 512e sector format for enterprise performance.
Which HP storage arrays support the J9F51A drive?
The J9F51A is certified for HP MSA 1000, 2040, 2042, 2050 and 2052 arrays, ensuring seamless compatibility and performance in MSA systems.
How does the 12G SAS interface improve data transfer rates?
The 12 Gb/s SAS interface doubles throughput over 6 Gb/s SAS, delivering up to 12 gigabits per second per lane for faster, low-latency data transfers.
What form factor and rotational speed does the J9F51A drive have?
The J9F51A features a 2.5-inch form factor and spins at 7 200 RPM, balancing high capacity with responsive access times in enterprise deployments.
What does the 512e sector format mean for the HP MSA 2TB HDD?
512e denotes 512-byte emulation on 4 KB native sectors, enhancing OS compatibility while leveraging advanced format efficiency and error correction.
Is the HP MSA 2TB 12G SAS HDD (SKU J9F51A) hot-swappable?
Yes, the HP MSA 2TB 12G SAS HDD is hot-swappable, allowing drive replacement or addition without powering down the storage array.
What are the typical use cases for the HP MSA J9F51A 2TB HDD?
Ideal for tiered storage, backup and archiving, virtualized environments, and general-purpose enterprise applications requiring high-capacity SAS drives.
What is the reliability rating and MTBF for this HDD?
The J9F51A drive delivers an MTBF of 2 million hours and includes rotational vibration sensors to maintain performance in dense multi-drive enclosures.
Does the HP MSA 2TB 12G SAS 7.2K HDD support encryption?
The drive supports industry-standard T10 data encryption and can integrate with controller-level encryption features for end-to-end data security.
What warranty coverage does the J9F51A drive include?
HP offers a three-year limited warranty with options for extended coverage, including parts replacement and on-site support services.
How do you install the HP MSA 2TB 12G SAS HDD in a server?
Insert the drive into an available SAS bay, secure the latch, and the MSA controller will auto-detect and provision the disk without additional configuration.
What is the power consumption of the HP MSA 2TB J9F51A drive?
The typical active power draw is 8.5 W and idle power is 6.0 W, optimizing energy efficiency for high-density enterprise storage.
How does the HP MSA 2TB 12G SAS HDD compare to enterprise SSDs?
Compared to SSDs, the J9F51A offers higher capacity at a lower cost per GB, though with higher latency and lower IOPS in write-intensive workloads.
Can the HP MSA J9F51A drive be configured in RAID arrays?
Yes, the drive supports RAID levels 0, 1, 5, 6, 10, and 50 when deployed in HP MSA controllers to balance performance and redundancy.
Is the J9F51A HDD new or refurbished?
The SKU J9F51A is a brand-new, factory-sealed HP enterprise drive, not refurbished, ensuring full warranty and HP support coverage.
What is the average latency of the HP MSA 2TB 12G SAS HDD?
The drive offers an average latency of approximately 4.17 ms, typical for a 7 200 RPM SAS HDD, delivering predictable performance.