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Wilder Smith
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Reliable 240GB IronWolf 125 Pro. Perfect for professional NAS storage and 24/7 reliability.
ZA240NX1A001
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IronWolf 125 Pro - 240 GB - 2.5" - 545 MB/s - 6 Gbit/s
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ZA240NX1A001
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- IronWolf 125 Pro - 240 GB - 2.5" - 545 MB/s - 6 Gbit/s
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3 Year Extended Warranty
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ZA240NX1A001 Overview
ZA240NX1A001 is an 8 TB HDD designed in a 3.5-inch form factor, equipped with a SATA III interface and a reliable 7200 RPM spindle speed. It features a 256 MB cache, an annual workload rating of 550 TB/yr, and an MTBF of 2,000,000 hours with a rated reliability of 8760 hours/year.
Engineered for enterprise storage environments, ZA240NX1A001 offers advanced features including helium-sealed construction, vibration protection, and dual actuator technology. This drive is ideal for data centers, desktops, NAS, and surveillance systems with efficient power consumption of 8 Watts during read/write operations and 6 Watts when idle.
ZA240NX1A001 price is is available on request. Get immediate quote.
Request bulk order quote for ZA240NX1A001 for additional pricing. Browse the full Seagate Storage Devices series or explore all Seagate products.
ZA240NX1A001 Specifications
- Product Type
- Hard Drive
- Drive Type
- HDD
- Use Case
- Enterprise Storage
- Interface
- SATA III
- Form Factor
- 3.5-inch
- Storage Capacity
- 8 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
- 550 TB/yr
- Power Consumption (Read/Write)
- 8 Watts
- Power Consumption (Idle)
- 6 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
- ZA240NX1A001
- Height
- 1.0 inches
- Width
- 5.8 inches
- Depth
- 4.0 inches
- Weight
- 1.8 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| ZA240NX1A001 |  ST12000VN0008 |  ST1000VX005 |  ST300MP0006 |  ST6000NM003A | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage | 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 | 8 TB | 12 TB | 1 TB | 3 TB | 6 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 64 MB | 64 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 210 MB/s | Up to 210 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 550 TB/yr | 300 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8 Watts | 8.9 Watts | 8.0 Watts | 8 Watts | 9.0 Watts |
| Power Consumption (Idle) | 6 Watts | 5.7 Watts | 6.0 Watts | 6 Watts | 6.0 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | No | No | No |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | No |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Advanced Features | Dual Actuator | Rotational Vibration Sensors | Dual Actuator | Dual Actuator | Rotational Vibration Sensors |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | ZA240NX1A001 | ST12000VN0008 | ST1000VX005 1TB Enterprise HDD | ST300MP0006 | ST6000NM003A 6TB Enterprise SATA III HDD |
| Height | 1.0 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 5.8 inches | 4.00 inches | 4.00 inches | 5.79 inches | 4.00 inches |
| Depth | 4.0 inches | 5.78 inches | 5.79 inches | 4.01 inches | 5.79 inches |
| Weight | 1.8 lbs | 1.90 lbs | 1.80 lbs | 2.1 lbs | 1.2 lbs |
Reviews & Ratings
Z
Zelda Vance
5
Consistent SATA speeds for NAS. High endurance ratings make it ideal for multi-user server access.
G
Gideon Moore
5
Solid performance for network storage. Provides the stability and speed our small business NAS requires.
I
Indie Hart
4
Professional grade NAS SSD. Durable build and steady transfer rates for critical business data.
L
Lukas Graham
5
Excellent uptime and data protection. The 125 Pro series is a trustworthy choice for NAS.
I
Ivy Sinclair
5
Dependable and fast. Significantly improves the performance of our network storage compared to HDDs.
R
Roman Pierce
5
Top-tier reliability for 240GB. Ideal for NAS operating systems or high-traffic network storage caching.
Questions & Answers
What is the capacity and form factor of the IronWolf 125 Pro SSD?
The IronWolf 125 Pro SSD offers 240 GB of storage in a 2.5-inch, 7 mm slim form factor, ideal for tight NAS and server bays.
What interface and data transfer speeds does the IronWolf 125 Pro support?
It uses a SATA III 6 Gbit/s interface with sequential read speeds up to 545 MB/s and write speeds up to 525 MB/s.
Is the IronWolf 125 Pro optimized for NAS and server environments?
Yes, it features AgileArray technology, optimized for RAID performance, multi-user workload handling, and minimal power consumption in NAS systems.
What is the endurance rating (TBW) and reliability metrics for the IronWolf 125 Pro SSD?
It delivers 600 TBW endurance, a 1.8 million-hour MTBF, and sustained performance for 24/7 multi-user environments.
Does the IronWolf 125 Pro SSD support hardware encryption?
Yes, it includes AES 256-bit full disk encryption to safeguard data against unauthorized access without sacrificing performance.
What warranty does the IronWolf 125 Pro SSD include?
Seagate provides a limited 5-year warranty and 24/7 customer support for the IronWolf 125 Pro SSD.
How do I install the IronWolf 125 Pro in my NAS or server?
Simply mount the 2.5-inch drive in a compatible bay, connect the SATA data and power cables, then initialize via your NAS or server interface.
Can the IronWolf 125 Pro operate in RAID configurations?
Yes, AgileArray technology ensures optimal performance and reliability in RAID arrays, enhancing rebuild times and data protection.
What is IronWolf Health Management and how does it work?
IronWolf Health Management continuously monitors drive health, alerts on potential risks, and provides actionable recovery recommendations in supported NAS systems.
What power consumption can I expect from the IronWolf 125 Pro SSD?
Idle power draw is 0.03 W, with active power consumption up to 3.5 W under typical workloads, optimizing energy efficiency in 24/7 operations.
Is the IronWolf 125 Pro compatible with desktop PCs and laptops?
Yes, it fits any standard 2.5-inch SATA slot in desktops or laptops, making it a versatile upgrade for performance and reliability.
How does the IronWolf 125 Pro differ from the standard IronWolf SSD?
The Pro model offers higher endurance (600 TBW vs. 300 TBW), faster sustained write speeds, and an extended 5-year warranty.
What workload types is the IronWolf 125 Pro best suited for?
Designed for heavy multi-user and 24/7 NAS usage, it excels in mixed read/write workloads, virtualization, and small-block random access.
Can I monitor the IronWolf 125 Pro’s performance metrics?
Yes, Seagate SeaTools and IronWolf Health Management provide real-time monitoring of performance, health status, and usage statistics via your NAS dashboard.
What vibration and shock resistance features does the IronWolf 125 Pro offer?
Equipped with rotational vibration sensors and robust shock tolerance, it maintains consistent performance in high-vibration multi-bay NAS environments.