4TB Storage Capacity
Designed for shared NAS files, backups, media libraries, archives, and everyday network storage.
4TB
Seagate 4TB IronWolf 5400 rpm SATA III 3.5" Internal NAS HDD
Sale price$171.60Regular price
$219.00
ST4000VN006
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Seagate 4TB IronWolf 5400 rpm SATA III 3.5" Internal NAS HDD
Sale price$171.60Regular price
$219.00
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Product Details
Seagate IronWolf — 4TB 5400 rpm SATA III 3.5" Internal NAS HDD
A reliable 4TB internal NAS hard drive engineered for home, SOHO, and small business storage environments with 24x7 operation, CMR recording, AgileArray optimization, rotational vibration sensors, IronWolf Health Management, and a SATA III 6 Gb/s interface.
Build a responsive, always-on NAS storage stack with 4TB capacity, 256MB cache, up to 202MB/s transfer rates, and RAID-ready reliability for 1–8 bay enclosures.
Executive Summary
Core Capabilities
Technical Specs
4TB Always-On NAS Storage with AgileArray, CMR, and Multi-User Reliability
The Seagate 4TB IronWolf 5400 rpm SATA III 3.5" Internal NAS HDD is designed for always-on network storage in home, SOHO, and small business deployments. Built for 1–8 bay NAS enclosures, it supports 24x7 access, multi-user workloads, and RAID environments where uptime and data integrity matter. With 4TB of capacity, 256MB cache, a SATA III 6 Gb/s interface, and up to 202MB/s data transfer rates, IronWolf provides responsive storage for shared files, backups, media libraries, documents, and everyday NAS workloads. AgileArray technology enables dual-plane balancing and time-limited error recovery, while rotational vibration sensors help stabilize performance in multi-drive chassis. IronWolf Health Management adds proactive monitoring and guidance to help keep compatible NAS systems running at peak reliability.
4TB NAS Storage Capacity
Store shared files, backup sets, media libraries, documents, photos, and small business data.
AgileArray RAID Optimization
Dual-plane balancing and time-limited error recovery help maintain performance in multi-bay NAS environments.
IronWolf Health Management
Proactive monitoring helps protect data with prevention, intervention, and recovery guidance in compatible NAS systems.
4TB
Storage Capacity
Ample NAS storage for home servers, shared backups, media, and small business files.
5400 rpm
Spindle Speed
Balanced performance, acoustic behavior, and power efficiency for always-on NAS use.
256MB
Cache
Large cache supports responsive everyday NAS transfers and shared storage workloads.
202MB/s
Transfer Rate
Supports quick movement of files, backups, and media across the NAS.
Core Capabilities
Optimized for Home, SOHO, and Small Business NAS
IronWolf is built for 1–8 bay NAS systems and 24x7 operation, making it ideal for shared storage, media libraries, backups, home offices, small teams, and networked file access that needs to stay available day and night.
All-CMR Recording for Consistent NAS Performance
All IronWolf drives use conventional magnetic recording technology to deliver consistent, predictable NAS performance across multi-user storage environments and RAID arrays.
AgileArray with RAID-Ready Stability
AgileArray enables dual-plane balancing and time-limited error recovery to support best-in-class RAID performance in multi-bay systems, helping maintain data access and stability when the NAS is under load.
Rotational Vibration Sensors
Integrated rotational vibration technology helps stabilize performance in multi-drive enclosures by monitoring and compensating for vibration effects that can occur in NAS chassis.
Built Tough for 180TB/year Workloads
IronWolf drives are rated for a 180TB/year workload, giving consumer and commercial NAS users dependable endurance for storing, sharing, and working with large amounts of networked data.
Key Features
3.5" Internal Form Factor
Fits standard desktop NAS bays and compatible 3.5" storage enclosures.
SATA III 6 Gb/s Interface
Standard SATA connectivity supports broad NAS and system compatibility.
Up to 202MB/s Transfer Rate
Responsive throughput supports file transfers, backups, and media access.
CMR Recording Technology
Conventional magnetic recording provides predictable NAS performance under everyday workloads.
AgileArray Optimization
Dual-plane balancing and TLER help improve RAID behavior in multi-bay NAS systems.
180TB/year Workload Rating
Built to handle continuous NAS usage for home, SOHO, and small business storage needs.
3-Year Limited Warranty
Backed by a limited 3-year manufacturer warranty for deployment confidence.
Balanced Capacity, Efficiency, and Reliability for Always-On Storage
The 4TB IronWolf is ideal for building or expanding a NAS used for local backups, family media, shared office documents, surveillance archives, photo libraries, and multi-device access. Its 5400 rpm design helps maintain low power draw and acoustic levels, while CMR recording, 1.0 million-hour MTBF, 0.73% annualized failure rate, 180TB/year workload rating, and IronWolf Health Management support dependable long-term use in compatible NAS systems.
24x7
Operation
Designed for always-on access so users can reach their data anytime.
1.0M
Hours MTBF
Reliability rating supports long-term NAS and small office storage use.
0.73%
AFR
Annualized failure rate specification supports dependable storage planning.
1–8
NAS Bays
Optimized for NAS enclosures with one to eight drive bays.
Technical Specifications
Key Specs
BrandSeagate
Product NameSeagate 4TB IronWolf 5400 rpm SATA III 3.5" Internal NAS HDD
Model NumberST4000VN006
UPC763649090985
Storage Capacity4096GB / 4TB
Storage Drive TypeHDD
Form Factor3.5"
InterfaceSATA / SATA III 6 Gb/s
Performance & Reliability
Spindle Speed5400 rpm
Cache256MB
Data Transfer RateUp to 202MB/s
Recording TechnologyCMR / Conventional Magnetic Recording
MTBF1.0 Million Hours
Workload Rating180TB per Year
Annualized Failure Rate0.73% AFR
Duty Cycle24x7 Always-On Operation
NAS Optimization & Data Protection
NAS OptimizationAgileArray
RAID FeaturesDual-Plane Balancing, Time-Limited Error Recovery / TLER
Vibration ProtectionRotational Vibration Sensors
Health MonitoringIronWolf Health Management
NAS Bay SupportOptimized for 1–8 Bay NAS Enclosures
Use CasesHome NAS, SOHO NAS, Small Business NAS, Backup, Media Storage, Shared File Access
Compatibility & Usage
Internal or ExternalInternal NAS Drive
Product CompatibilityNAS Enclosures, Desktop Storage Systems, Compatible 3.5" SATA Bays
UsageEveryday Computing, Network Attached Storage, Backup, File Sharing
ScalabilityPart of IronWolf NAS Drive Portfolio with Multiple Capacity Options
Dimensions & Warranty
Product Height0.8"
Product Width4"
Product Weight0.95 oz
Warranty - Parts3 Years
Warranty - Labor3 Years
Package Contents & Warranty
Seagate IronWolf 4TB 5400 rpm SATA III 3.5" Internal NAS HDD
Model: ST4000VN006 • UPC: 763649090985 • CMR • SATA III • 256MB Cache
Seagate 4TB IronWolf NAS HDD
Internal 3.5" NAS hard drive with 5400 rpm operation, SATA III interface, and AgileArray optimization.
IronWolf Health Management Support
Compatible NAS systems can use proactive health monitoring and guidance.
AgileArray NAS Optimization
Dual-plane balancing, TLER, and rotational vibration support help stabilize RAID performance.
Limited 3-Year Manufacturer Warranty
3-year limited manufacturer warranty for added deployment confidence.
A Reliable 4TB NAS Drive Built for Always-On Access and Small Storage Arrays
Seagate 4TB IronWolf combines 4TB capacity, a 3.5" internal form factor, SATA III 6 Gb/s connectivity, 5400 rpm operation, 256MB cache, up to 202MB/s transfer rates, CMR recording, AgileArray optimization, rotational vibration sensors, IronWolf Health Management, 24x7 operation, a 180TB/year workload rating, 1.0 million-hour MTBF, 0.73% AFR, and a 3-year limited warranty. It is an excellent drive for home NAS, SOHO servers, small business storage, RAID arrays, shared backups, media libraries, and always-accessible network file storage.
4TB 5400 rpm 256MB Cache CMR AgileArray 180TB/year 3-Year Warranty
UPC: 763649090985 • Limited 3-Year Parts & Labor Warranty. A balanced IronWolf NAS drive engineered for dependable 24x7 storage, multi-user access, and RAID-ready reliability.
Included in the Box