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N9X94A
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HP 4TB 7.2K 12G 3.5INCH MSA 512N SAS HDD
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Name:
N9X94A
- Description:
- HP 4TB 7.2K 12G 3.5INCH MSA 512N SAS HDD
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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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.
N9X94A price is is available on request. Get immediate quote.
Request bulk order quote for N9X94A for additional pricing. Browse the full Hpe Msa Storage Hard Drives series or explore all Hpe products.
N9X94A Specifications
- Product Type
- Hard Drive
- Brand
- Hpe
- 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
- 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.
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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 |
| 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 |
| 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 |
Compliance & Coverage
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
G
Graham Wentworth
5
Large capacity drive performed reliably in MSA.
M
Marcus Snowdon
5
Consistent throughput for backups.
J
Julian Aldridge
5
No compatibility issues encountered.
V
Victor Pendleton
5
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.
Which HP storage arrays are compatible with the N9X94A?
The N9X94A is fully compatible with HPE MSA 2050, MSA 2052, MSA 2054 and MSA 2058 arrays running supported firmware.
Can I hot-swap the HP N9X94A HDD without shutting down the server?
Yes, the drive supports hot-swap in any HPE MSA chassis, enabling maintenance without system downtime.
What is the typical power consumption of the HP 4TB 7.2K SAS HDD?
At idle it draws approximately 6.8 W, and during seek operations up to 9.5 W, helping manage rack-level power budgets.
What operating temperature range does this HDD support?
The drive operates reliably between 5 °C and 55 °C, suitable for standard data-center environments.
How reliable is the HP N9X94A in terms of MTBF?
It features a 1.6 million-hour MTBF rating, reflecting enterprise-grade durability under continuous operation.
What is the recommended use case for the HP 4TB SAS HDD?
Ideal for tier-2 storage, backup, archiving and capacity-optimized workloads in MSA and ProLiant server environments.
Does the HP MSA 512e SAS HDD support RAID configurations?
Yes, when installed in HPE MSA arrays or ProLiant servers with a compatible controller, it supports RAID 0, 1, 5, 6, 10 and 50.
How do I install the HP N9X94A drive in an HPE MSA enclosure?
Slide the drive into an available 3.5″ bay until it clicks, then verify presence in the MSA management interface—no special tools required.
What advantage does SAS offer over SATA in this HDD?
SAS delivers better error correction, dual-port redundancy, higher throughput and improved reliability for enterprise applications.
Is firmware management required for the HP 4TB 7.2K SAS HDD?
HPE arrays auto-update drive firmware via the ecosystem’s Service Pack for ProLiant (SPP); manual updates are rarely needed.
What warranty covers the HP N9X94A SAS HDD?
HPE backs this drive with a one-year limited warranty, extendable via HPE Care Pack services for up to five years.
How can I monitor the health of the HP 4TB MSA SAS HDD?
Use HPE Integrated Lights-Out (iLO) or the MSA management GUI to track SMART metrics, temperature and performance statistics in real time.