Seagate IronWolf Pro 4TB | ST4000NT001 | SATA 6Gb/s, Cache Size- 256 MB, RPM@7200 | 3.5″ inch NAS Hard Drives

Seagate IronWolf Pro 4TB (ST4000NT001) NAS hard drive with 7200 RPM, 256MB cache, SATA 6Gb/s interface—designed for reliable 24×7 performance in multi-bay NAS systems.

Storage	2TB 6TB 8TB 10TB 12TB 16TB 18TB 20TB

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SKU: FGIN9WB94IHY Categories: Storage Devices, Surveillance and Security Brand: Seagate

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SKU: FGINATDMMJX4

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Brand	Toshiba
Model	HDWG740AZSTD
Storage	4TB

Description

Seagate IronWolf Pro 4TB NAS hard drives deliver industry-leading 24×7 performance, reliability, and storage efficiency for home, SOHO, and small business NAS environments. Built with an all-CMR (Conventional Magnetic Recording) architecture, IronWolf ensures consistent speed and durability, allowing seamless data access anytime, anywhere. With a workload rating of up to 550 TB/year, 2.5 million hours MTBF, and a 5-year limited warranty, IronWolf offers best-in-class dependability and low total cost of ownership (TCO).

For added peace of mind, Seagate IronWolf Pro 4TB includes 3 years of Rescue Data Recovery Services, providing fast, hassle-free data restoration at no extra cost. Integrated IronWolf Health Management (IHM) helps protect valuable data through intelligent monitoring, alerts, and recommendations for prevention and recovery.

Optimized for multi-bay NAS systems, Seagate IronWolf Pro 4TB features AgileArray™ technology with dual-plane balancing, Time-Limited Error Recovery (TLER), and Rotational Vibration (RV) sensors, delivering enhanced RAID performance and system stability. With up to 7200 RPM, 256 MB cache, and transfer speeds up to 180 MB/s, IronWolf is the ideal choice for high-capacity storage, file sharing, backup, and media streaming.

Choose Seagate IronWolf for superior NAS performance, unmatched reliability, and advanced data protection—designed to meet the demands of today’s always-on environments.

About Seagate

Seagate hard disks for enterprise and surveillance | FGTech

FGTech's Seagate Hard Disk range covers enterprise (Exos) and surveillance (SkyHawk) workloads. WD Red NAS drives is the closest equivalent to Seagate IronWolf. For other consumer desktop drives, browse internal hard drives at FGTech for available options.FGTech is an authorised dealer for Seagate in India, stocking the enterprise and surveillance range, the Exos series for data centres and server infrastructure, and SkyHawk for CCTV, DVR, and NVR systems. Every Seagate Hard Disk ships with a manufacturer's warranty, a GST invoice, and an automatic air freight upgrade at no additional charge.

Seagate Hard Disk series at FGTech

Series	Primary use	Max capacity	Interface	Workload	Warranty
Exos 7E10	Enterprise server, RAID	10TB	SATA / SAS	550 TB/year	5 years
Exos X18	High-density rack storage	18TB	SATA / SAS	550 TB/year	5 years
Exos X24	Hyperscale, max capacity	24TB	SATA / SAS	550 TB/year	5 years
SkyHawk	DVR / NVR, up to 16 cameras	8TB	SATA	180 TB/year	3 years
SkyHawk AI	AI NVR, up to 64 cameras	32TB	SATA	550 TB/year	5 years

Seagate Exos Enterprise Hard Disk

Seagate Exos 7E10: enterprise storage up to 10TB

The Seagate Exos 7E10 is a 3.5-inch enterprise hard drive for rack-mounted servers, RAID arrays, and data centre infrastructure operating below 10TB per drive bay. It runs at 7200 RPM with a 256MB cache and achieves sustained transfer rates up to 263 MB/s on the 10TB model. It uses conventional perpendicular magnetic recording (PMR) in an air-filled design, which places it at a lower per-unit cost than the helium-sealed X18 and X24 while delivering the same 550 TB/year workload rating and 2.5 million hours MTBF.The 7E10 is available in both SATA III and SAS 12 Gb/s interface variants. The SATA version is compatible with standard server configurations without a SAS HBA. It is the correct starting point for organisations building or expanding enterprise RAID storage where per-bay capacity up to 10TB is sufficient and cost efficiency per unit matters.Available capacities at FGTech: 2TB, 4TB, 6TB, 8TB, 10TB.

Seagate Exos X18: helium-sealed storage up to 18TB

The Seagate Exos X18 uses helium-sealed construction to reach 18TB in the standard 3.5-inch form factor. Helium reduces internal air resistance, enables nine-platter configurations that would overheat in air-filled designs, and lowers idle power consumption compared to air-filled drives of equivalent capacity, a meaningful factor in high-density rack deployments where dozens of drives run continuously.The X18 supports both SATA 6 Gb/s and SAS 12 Gb/s interfaces, making it suitable for JBOD arrays and enterprise storage systems requiring dual-port SAS for redundancy. Workload rating is 550 TB/year, MTBF is 2.5 million hours, and warranty is 5 years. For builds where TB-per-rack-unit is the primary constraint and the 10TB ceiling of the 7E10 is insufficient, the X18 is the appropriate step up.Available at FGTech: Exos X18 10TB, 12TB, 14TB, 16TB, 18TB

Seagate Exos X24: maximum capacity at 24TB

The Seagate Exos X24 is Seagate's highest-capacity enterprise drive, reaching 24TB in the 3.5-inch form factor with helium-sealed construction, a Tri-Stage Actuator for precise head positioning at maximum areal density, and a 512MB cache. Sustained transfer rates reach up to 285 MB/s on the 24TB model; fastest in the Exos lineup. It supports both SATA 6 Gb/s and SAS 12 Gb/s and is rated for 550 TB/year workload with 2.5 million hours MTBF and a 0.35% annualised failure rate.The X24 includes PowerChoice and PowerBalance idle power management for energy cost reduction in large-scale deployments. SED (Self-Encrypting Drive) and ISE (Instant Secure Erase) variants are available for environments with data security compliance requirements. Enterprise procurement teams and government data centre operators commonly specify these. For hyperscale builds, cloud storage infrastructure, or any deployment where maximising capacity per rack unit is the governing constraint, the X24 is the correct choice.Available capacities at FGTech: 12TB, 16TB, 20TB, 24TB.

Seagate SkyHawk surveillance hard disk

Seagate SkyHawk: surveillance storage for DVR and NVR

The Seagate SkyHawk is built specifically for DVR and NVR systems recording continuously from multiple cameras. It uses ImagePerfect firmware to eliminate dropped frames under simultaneous read and write loads, the failure mode that occurs when a standard desktop drive is used in a CCTV application. Consumer drives are not designed for the sustained sequential write pattern of continuous camera recording and will degrade significantly faster in that environment.SkyHawk is rated for 180 TB/year with a 3-year warranty and supports up to 16 HD camera streams. It includes rotational vibration sensors for stable operation in multi-drive NVR enclosures and is validated for Hikvision and Dahua DVR and NVR platforms. Seagate Rescue Data Recovery Services, 3 years of recovery coverage, is included as standard with every SkyHawk drive.Available capacities at FGTech: 1TB, 2TB, 4TB, 6TB, 8TB.For the full surveillance storage sizing guide, capacity formula, and a comparison of SkyHawk against WD Purple and Toshiba S300, see the Seagate SkyHawk sizing guide and brand comparison.

Seagate SkyHawk AI: for AI-enabled NVR systems

The Seagate SkyHawk AI is designed for NVR systems running on-device AI analytics; object detection, facial recognition, and licence plate recognition, simultaneously alongside video recording. Standard SkyHawk handles recording workloads. SkyHawk AI handles recording plus the secondary read and analysis load that AI inference engines generate in parallel, which would cause frame drops and premature wear on a standard surveillance drive.SkyHawk AI is rated for 550 TB/year, three times the workload of SkyHawk, and supports up to 64 HD camera streams with 32 simultaneous AI streams. It carries a 5-year warranty, 2 million hours MTBF, and is validated for 16+ bay NVR enclosures. ImagePerfect AI firmware guarantees zero dropped frames under combined recording and analytics load. If your NVR runs Hikvision DeepInMind, Dahua WizSense, or any equivalent AI-enabled platform, SkyHawk AI is the correct drive, not standard SkyHawk.Available at FGTech: SkyHawk AI 8 TB, 10TB

Frequently asked questions

What is the difference between Seagate Exos 7E10, X18, and X24?

All three are enterprise drives with 550 TB/year workload and 5-year warranty but they differ in maximum capacity (10TB vs 18TB vs 24TB) and construction (air-filled vs helium-sealed). The Exos 7E10 is air-filled and reaches 10TB ; the lowest cost per unit in the Exos range, and straightforward SATA compatibility. The Exos X18 uses helium-sealed construction to reach 18TB with lower idle power draw. The Exos X24 is Seagate's maximum-capacity drive at 24TB, adding a Tri-Stage Actuator and 512MB cache, with transfer rates up to 285 MB/s. For standard enterprise RAID below 10TB, the 7E10 is the cost-efficient choice. For high-density builds where TB-per-rack-unit is the constraint, the X18 or X24 is the correct selection.

What is the difference between SkyHawk and SkyHawk AI?

SkyHawk is for standard recording (180 TB/year, 16 cameras); SkyHawk AI handles recording plus AI analytics simultaneously (550 TB/year, 64 cameras + 32 AI streams). SkyHawk is rated for 180 TB/year and supports up to 16 HD camera streams, correct for standard DVR and NVR recording. SkyHawk AI is rated for 550 TB/year and supports up to 64 HD streams plus 32 simultaneous AI processing streams. SkyHawk AI is specifically designed for NVR systems running on-device AI analytics alongside recording. If your NVR is a standard recording-only system, SkyHawk is sufficient. If your NVR runs AI workloads like object detection, facial recognition, and license plate recognition, SkyHawk AI is required.

How do I check my Seagate hard disk warranty?

Enter your drive’s serial number at seagate.com/support/warranty-and-replacements — every Seagate drive from FGTech is genuine with a verifiable manufacturer warranty. Every Seagate drive purchased from FGTech is genuine with a valid manufacturer's warranty and a GST invoice. The serial number on the drive label verifies warranty status directly with Seagate.

Does SkyHawk work with Hikvision and Dahua NVRs?

Yes both SkyHawk and SkyHawk AI are validated for Hikvision and Dahua DVR/NVR platforms with firmware specifically tested for these systems. SkyHawk's ImagePerfect firmware is specifically tested for continuous multi-stream recording workloads on these systems. For AI-enabled Hikvision or Dahua NVRs running on-device analytics, SkyHawk AI is the appropriate series, not standard SkyHawk.

Seagate vs Western Digital: which is better for enterprise and surveillance?

Neither is universally better; both are the two largest HDD manufacturers globally with comparable reliability. Seagate Exos offers native SAS support; WD Gold is SATA-only. Choose based on interface requirements and current pricing. Both are among the two largest hard disk manufacturers globally and both produce comparable enterprise and surveillance lines. Seagate Exos and WD Gold are direct competitors for enterprise server storage; SkyHawk and WD Purple are direct competitors for surveillance. Performance and reliability differences between equivalent series are marginal at the same capacity. The practical differentiation is interface availability. Seagate Exos offers native SATA and SAS in the same product line, while WD Gold is SATA-only. For SAS-required environments, Seagate Exos has the advantage. Compare the WD enterprise and surveillance drives at FGTech alongside Seagate before purchasing.

Why buy Seagate Hard Disk from FGTech?

FGTech is an authorised dealer for Seagate Hard Disk in India. Every drive ships with a valid manufacturer warranty, a GST invoice, and an automatic air freight upgrade because storage hardware in transit on road freight is subject to vibration and impact levels that are genuinely damaging to hard drives.

Authorised Seagate dealer, warranty verifiable on Seagate's portal using your drive serial number
Enterprise and surveillance range available: Exos 7E10, X18, X24, SkyHawk, SkyHawk AI
Every storage order is automatically upgraded to air freight at no extra cost
GST invoice on every order, claimable for business, CCTV installer, and enterprise purchases
Pan-India delivery with anti-static, impact-resistant packaging
Pre-sales support for capacity planning, series selection, and NVR compatibility

Browse the full Seagate Hard Disk range at FGTech, compare with WD enterprise and surveillance drives at FGTech, or explore memory and storage solutions at FGTech for SSDs, RAM, and NAS drives alongside your Seagate purchase.

Product Details

Category	Specification
Standard Model Number	ST4000NT001
Interface	SATA 6Gb/s
Drive Bays Supported	Unlimited
Recording Technology	CMR
Drive Design	Air
Workload Rate Limit (WRL)	550 TB/year
RV Sensors	Yes
Cache	256 MB
MTBF	2,000,000 hours
Nonrecoverable Read Errors	1 per 10¹⁵ bits read
Power-On Hours/Year	8,760 hours
Sector Size	512E
Rescue Data Recovery	3 years
Limited Warranty	5 years
Spindle Speed (RPM)	7200 RPM
Interface Access Speeds	6.0 / 3.0 / 1.5 Gb/s
Max Sustained Transfer Rate	250 MB/s
RV @ 10–1500 Hz	12.5 rad/s
Startup Current (12V)	2.0 A
Idle Power	5.5 W
Average Operating Power	8.7 W
Standby Mode	1.0 W
Sleep Mode	1.0 W
Power Supply Requirements	+12 V and +5 V
Operating Temperature	0°C to 65°C
Nonoperating Temperature	-40°C to 70°C
Vibration (Nonoperating)	2.27 Grms (10–500 Hz)
Acoustics (Idle)	28 dBA
Acoustics (Seek)	30 dBA
Shock (Operating)	70/40 Gs (2 ms Read/Write)
Shock (Nonoperating)	300 Gs (1 ms and 2 ms)
Height	26.11 mm / 1.028 in
Width	101.85 mm / 4.01 in
Depth	146.99 mm / 5.787 in
Weight	650 g / 1.431 lb
Carton Unit Quantity	20
Cartons per Pallet / Layer	40 / 8