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Large capacity drive performed reliably in MSA.
N9X94A
HP 4TB 7.2K 12G 3.5INCH MSA 512N SAS HDD
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N9X94A
- Description:
- HP 4TB 7.2K 12G 3.5INCH MSA 512N SAS HDD
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N9X94A Overview
N9X94A is a high-performance enterprise HDD featuring a 3.5-inch form factor and SAS 12Gb/s interface engineered for demanding server applications. It offers a robust 7200 RPM spindle speed, 10 TB capacity, and a generous 256 MB cache, while maintaining a high annual workload rating of 550 TB/yr and proven MTBF reliability for sustained, heavy-duty operations.
N9X94A is optimized for data centers, desktop systems, NAS environments, and surveillance installations with low power consumption (8.5 Watts during read/write and 5.0 Watts at idle) and advanced features including helium-sealed construction, dual actuators, and vibration protection. This combination of features ensures exceptional performance and durability in enterprise storage solutions.
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N9X94A Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Server
- Interface
- SAS 12Gb/s
- Form Factor
- 3.5-inch
- Storage Capacity
- 10 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)
- 8.5 Watts
- Power Consumption (Idle)
- 5.0 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
- N9X94A Enterprise Helium-Sealed 10TB HDD
- Height
- 1 inch
- Width
- 5.8 inches
- Depth
- 4 inches
- Weight
- 1.8 lbs
N9X94A Use Case
Enterprise Virtualization Storage Expansion with N9X94A-HP 4TB SAS HDD
A global financial services firm scales out its VMware vSphere clusters using HP MSA arrays populated with N9X94A-HP 4TB 7.2K 12G 3.5-inch MSA 512N SAS HDDs. By leveraging the drive’s 12 Gb/s SAS throughput and 4 TB capacity, the IT team boosts virtual machine density by 35%, slashes I/O latency by 25%, and sustains 99.99% uptime—ensuring uninterrupted trading and real-time analytics.
Enterprise Backup and Archive Acceleration on HP MSA Arrays
A mid-market healthcare provider accelerates nightly full backups and long-term archival on HP MSA storage by deploying N9X94A-HP 4TB SAS HDDs. The combination of 512 n-sector formatting and 12 Gb/s SAS bandwidth reduces backup windows by 40%, lowers tape-to-disk backup costs by 30%, and delivers rapid restore times—ensuring compliance with HIPAA retention requirements.
High-Performance OLTP Database Deployment
A retail chain upgrades its on-premises Oracle OLTP environment with HP MSA arrays populated with N9X94A-HP 4TB 7.2K 12G SAS drives in RAID-10. The solution delivers sub-millisecond response times for customer transaction processing, handles 2× peak holiday traffic, and maintains consistent IOPS under heavy concurrency—ensuring seamless point-of-sale operations and 24/7 availability.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 N9X94A |  J9F41A |  J9F51A |  N9X92A |  J9F46A | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Server | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance | 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 | 10 TB | 4 TB | 10 TB | 10 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 250 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr | 300 TB/yr | 300 TB/yr | 550 TB/yr | 300 TB/yr |
| Power Consumption (Read/Write) | 8.5 Watts | 8.5 Watts | N/A | N/A | 8 Watts |
| Power Consumption (Idle) | 5.0 Watts | 5.5 Watts | N/A | N/A | 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 | 5–55°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | N9X94A Enterprise Helium-Sealed 10TB HDD | J9F41A Enterprise 10TB Helium HDD | J9F51A | N9X92A Enterprise HDD | J9F46A Enterprise HDD 10TB |
| Height | 1 inch | 1.03 inches | 1.0 inches | 1.03 inches | 1.03 inches |
| Width | 5.8 inches | 5.8 inches | 4.0 inches | 5.79 inches | 5.79 inches |
| Depth | 4 inches | 4.0 inches | 5.8 inches | 4 inches | 4.00 inches |
| Weight | 1.8 lbs | 1.5 lbs | 2.0 lbs | 2.0 lbs | 1.56 lbs |
Reviews & Ratings
M
Marcus Snowdon
4
Consistent throughput for backups.
J
Julian Aldridge
5
No compatibility issues encountered.
V
Victor Pendleton
3
Stable under continuous use.
A
Andrew Colville
4
Dependable storage option.
Questions & Answers
What is the storage capacity and form factor of the HP N9X94A HDD?
The HP N9X94A provides 4 TB of capacity in a standard 3.5-inch form factor, ideal for high-density storage arrays.
Which interface and transfer rate does the HP 4TB MSA 512e SAS HDD support?
This drive uses a 12 Gb/s SAS interface, delivering enterprise-grade connectivity and bandwidth for demanding workloads.
What is the spindle speed of the HP N9X94A 4TB SAS HDD?
The drive spins at 7,200 RPM, balancing performance and power consumption for consistent throughput.
What type of sector format does the HP MSA 512e SAS HDD use?
It employs 512e (512-byte emulation) sectors, ensuring compatibility with legacy applications while optimizing capacity.