United States$5,000,000+
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Neil Ashcroft
5
15K drive delivers strong IOPS for critical workloads.
J9F40A
HP 300GB 15K 12G 2.5INCH MSA HDD
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Name:
J9F40A
- Description:
- HP 300GB 15K 12G 2.5INCH MSA HDD
- Rating:
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- Brand:
- Hpe
- Condition:
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J9F40A Overview
J9F40A is an HDD designed for high-performance server applications, featuring a 3.5-inch form factor, a robust SATA III interface, and a spindle speed of 7200 RPM that delivers consistent and efficient data access. It comes with a storage capacity of 4 TB and a 256 MB cache, ensuring rapid data buffering and smooth operation even under demanding conditions.
Optimized for 24/7 server environments, the J9F40A offers an annual workload rating of 300 TB/yr and an MTBF of 1,200,000 hours, reflecting its rated hours/year reliability. Its advanced design includes a helium-sealed construction, integrated vibration protection, and dual actuator technology, while maintaining efficient power consumption at 8 Watts during read/write and 5.5 Watts during idle operation. This drive is ideal for data centers, desktops, NAS, and surveillance systems.
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Request bulk order quote for J9F40A for additional pricing. Browse the full Hpe Msa Storage Hard Drives series or explore all Hpe products.
J9F40A Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Server
- 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 210 MB/s
- Annual Workload Rating
- 300 TB/yr
- Power Consumption (Read/Write)
- 8 Watts
- Power Consumption (Idle)
- 5.5 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
- J9F40A Enterprise 4TB HDD
- Height
- 1.03 inches
- Width
- 4.00 inches
- Depth
- 5.80 inches
- Weight
- 2.0 lbs
J9F40A Use Case
Accelerated Enterprise OLTP Database Performance
In a multinational bank’s data center, the J9F40A-HP 300GB 15K 12G 2.5INCH MSA HDD delivers sub-millisecond I/O for high-transaction OLTP workloads, reducing query latency by 35% and ensuring 24/7 availability for customer accounts. Benefit: Dramatically improved transaction throughput and SLA compliance for mission-critical financial applications.
Optimized Virtual Machine Storage in Private Cloud
A large enterprise private cloud deploys the J9F40A-HP 15K SAS drive across its HPE MSA array to host over 500 VMs, achieving consistent low-latency performance under mixed workloads. Benefit: Enhanced VM density and agility with 20% faster boot times and predictable I/O for development, test and production environments.
High-Frequency Trading and Real-Time Analytics
A proprietary trading firm integrates the J9F40A-HP 300GB 15K 12G HDD into its HPE storage cluster to support real-time market data ingestion and risk calculations, sustaining sub-millisecond read/write cycles. Benefit: Superior data throughput for algorithmic trading, maximizing ROI by enabling instantaneous decision-making under peak market conditions.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 J9F40A |  J9F51A |  N9X91A |  J9F39A |  J9V70A | |
|---|---|---|---|---|---|
| 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 | 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 | 4 TB | 8 TB | 10 TB | 6 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 210 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 | 300 TB/yr | 300 TB/yr | 550 TB/yr | 550 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | N/A | 8 Watts | 9 Watts | 8 Watts |
| Power Consumption (Idle) | 5.5 Watts | N/A | 5 Watts | 6 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 | 5–60°C | 5–60°C |
| Product Name | J9F40A Enterprise 4TB HDD | J9F51A | N9X91A Enterprise HDD | J9F39A Enterprise Hard Disk Drive | J9V70A Enterprise 6TB HDD |
| Height | 1.03 inches | 1.0 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 4.00 inches | 4.0 inches | 5.79 inches | 5.79 inches | 5.8 inches |
| Depth | 5.80 inches | 5.8 inches | 4.00 inches | 4.00 inches | 4.0 inches |
| Weight | 2.0 lbs | 2.0 lbs | 2.0 lbs | 1.75 lbs | 1.8 lbs |
Reviews & Ratings
M
Martin Fairchild
4
Reliable disk for transactional systems.
O
Oliver Prescott
5
Consistent performance in RAID configuration.
V
Victor Hampton
3
Good enterprise grade HDD.
J
Julian Fordham
4
Predictable latency and stability.
Questions & Answers
What is the storage capacity of the HP 300GB 15K 12G 2.5-inch MSA HDD (SKU: J9F40A)?
It offers 300 GB of high-performance SAS storage ideal for enterprise applications.
Which interface and transfer speed does the HP J9F40A drive support?
It uses a 12 Gb/s SAS interface to deliver fast, reliable data transfer.
What form factor does the HP 300GB 15K 12G 2.5-inch MSA HDD use?
It comes in a 2.5-inch hot-pluggable form factor compatible with modern servers.
What is the rotational speed of the HP J9F40A MSA HDD?
It spins at 15,000 RPM to ensure ultra-low latency and quick response times.