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ZA3840NX1A001
IronWolf 125 Pro - 3840 GB - 2.5" - 545 MB/s - 6 Gbit/s
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ZA3840NX1A001 is a high-performance HDD engineered for enterprise storage environments. This model features a 3.5-inch form factor with a SATA III interface, operating at 7200 RPM, and comes in a 10 TB capacity with a robust 256 MB cache to accelerate data access. It offers an annual workload rating of 300 TB/yr and is built with a high MTBF to support rigorous usage scenarios while delivering reliable performance rated for extended hours per year.
Ideal for data centers, desktops, NAS deployments, and surveillance systems, ZA3840NX1A001 is optimized for enterprise storage applications. It boasts advanced features such as a helium-sealed design, integrated vibration protection, and dual actuator technology, while ensuring power consumption of approximately 9 Watts during active read/write operations and 6 Watts when idle.
ZA3840NX1A001 price is is available on request. Get immediate quote.
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| ZA3840NX1A001 |  XS800LE70004 |  ST14000NE0008 |  XS3200LE70004 |  ST12000NE0008 | |
|---|---|---|---|---|---|
| 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 | Server / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III / SAS 12Gb/s | SAS 12Gb/s | SATA III | SAS 12Gb/s |
| Form Factor | 3.5-inch | 3.5-inch / 2.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 10 TB | 8 TB | 14 TB | 4 TB | 12 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 512 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 210 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 300 TB/yr | 300 TB/yr | 550 TB/yr | 300 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 9 Watts | 7.5 Watts | 9 Watts | 10 Watts | 8.1 Watts |
| Power Consumption (Idle) | 6 Watts | 4.5 Watts | 5 Watts | 5 Watts | 5.5 Watts |
| Encryption Support | AES 256-bit | AES 256-bit | AES 256-bit | No | 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 | Rotational Vibration Sensors |
| Operating Temperature | 5–60°C | 5–55°C | 5–55°C | 5–55°C | 5–60°C |
| Product Name | ZA3840NX1A001 Enterprise HDD | XS800LE70004 Enterprise HDD | ST14000NE0008 Enterprise 14TB SAS HDD | XS3200LE70004 | Seagate Exos X12 12TB Enterprise Hard Drive |
| Height | 1.03 inches | 1 inch | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 5.79 inches | 4 inches | 4.00 inches | 5.79 inches | 4.00 inches |
| Depth | 4.00 inches | 5.79 inches | 5.79 inches | 4.01 inches | 5.79 inches |
| Weight | 1.65 lbs | 1.5 lbs | 1.85 lbs | 2.2 lbs | 1.82 lbs |
Massive 3.84TB IronWolf 125 Pro. Exceptional capacity and performance for high-demand enterprise NAS.
Consistent throughput for 24/7 access. The 125 Pro series offers superior endurance for busy networks.
Reliable and huge. Perfect for large business data sets and multi-user shared storage environments.
Top-tier NAS SSD durability. Handles massive file transfers with professional ease and complete stability.
Outstanding storage density for NAS. Provides the speed and peace of mind our server requires.
Robust performance and high uptime. An excellent solution for massive, high-speed network-attached storage needs.
Superior reliability for business servers. The 3840 GB capacity is perfect for high-density storage consolidation.
The Seagate IronWolf 125 Pro (SKU ZA3840NX1A001) provides 3.84 TB (3840 GB) of high-performance 2.5-inch SATA SSD storage.
It features a 2.5-inch form factor with a SATA 6 Gbit/s interface for broad compatibility with desktops, workstations and NAS systems.
It delivers up to 545 MB/s sequential read and up to 525 MB/s sequential write, ensuring fast data transfers in NAS and professional environments.
Yes. It includes NAS-specific firmware, multi-user technology and IronWolf Health Management for reliable 24/7 operation in multi-drive NAS enclosures.
The drive supports up to 3.8 PBW (petabytes written), providing high endurance for sustained, write-intensive applications.
Seagate provides a five-year limited warranty backed by the 3.8 PBW endurance rating for long-term reliability and data protection.
Yes. IronWolf Health Management continuously monitors drive health, delivers predictive failure analysis and offers recovery recommendations via compatible NAS dashboards.
Absolutely. With up to 2800/2800 random read/write IOPS and multi-user optimization, it excels under concurrent access by multiple NAS clients.
Ideal for high-performance NAS, video editing, content creation, virtualization and database workloads that demand fast, reliable storage.
Engineered for nonstop operation, it offers a 2 million-hour MTBF rating and specialized NAS firmware to maintain uptime in demanding environments.
Yes. Its standard 2.5-inch SATA design allows hot-swap support in compatible NAS bays for quick maintenance and upgrades.
Typical active power is 4.5 W and idle power is 0.25 W, delivering a balance of performance and energy efficiency.
It operates reliably from 0 °C to 70 °C (32 °F to 158 °F), suitable for home and professional NAS or workstation environments.
The Pro model doubles endurance (3.8 PBW vs. 1.8 PBW), extends warranty to five years and adds enhanced multi-user performance for professional NAS use.
Yes. It features AES 256-bit hardware encryption to protect sensitive data in NAS and desktop systems without impacting performance.
Mount the 2.5-inch SSD in any SATA bay, connect the SATA and power cables, then initialize and format it via your host’s storage management utility.
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