Seagate IronWolf 4 TB NAS HDD 3.5 in

Name: Seagate IronWolf 4 TB NAS HDD 3.5 in
Brand: QNAP
SKU: 72123400-6000000-000-RS

QNAP|

MPN: 72123400-6000000-000-RS

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Key Features

4 TB storage capacity
3.5-inch drive form factor
NAS-oriented hard drive design
Internal magnetic storage
Suitable for multi-bay storage systems
Shared storage and backup workloads

Keep shared storage online with 4 TB of NAS hard drive capacity in a 3.5-inch format designed for multi-drive systems. This Seagate IronWolf model is a practical fit for small business NAS arrays, home lab storage, and centralized file repositories where capacity density and continuous availability matter more than flash-level latency. For infrastructure teams, the value is in the fit: a drive class intended for network-attached storage, sized to support shared folders, backups, surveillance archives, and media libraries without forcing an immediate jump to higher-cost enterprise tiers. The 3.5-inch form factor is standard across many NAS chassis, making deployment straightforward in systems that prioritize bay efficiency and predictable storage expansion. Compared with desktop drives, NAS-oriented storage is chosen for its role in always-on, multi-user environments. That makes this model a sensible option when you need a drive that belongs in a storage appliance rather than a workstation. It helps teams build capacity where it is needed most: in the array, available to users, services, and backup jobs around the clock.

Ideal For

Small business NAS file storage
Backup repository in a multi-bay array
Media library storage for home or office
Always-on shared storage for team access

Why This Product

1NAS-focused drive class suits always-on storage
23.5-inch format fits standard NAS chassis
34 TB capacity supports shared files and backups
4Better fit for arrays than desktop-only drives

Compute

Storage Type	HDD
Storage Capacity Gb	4,096 GB

General

Mpn	72123400-6000000-000-RS
Brand Name	Seagate
Drive Type	Internal hard drive
Device Supported	NAS systems

Storage

Drive Interface	SATA
Drive Form Factor	3.5 in
Storage Interface	SATA
Storage Form Factor	3.5 in

Capacity

Storage Capacity Tb

4 TB

Performance

Spindle Speed Rpm

N/A

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Frequently Asked Questions

What is the storage capacity of this drive?▾

It provides 4 TB of storage capacity, equal to 4,096 GB.

Is this drive intended for NAS use?▾

Yes. The IronWolf product line is designed for NAS and multi-bay storage environments.

What form factor does it use?▾

It uses a 3.5-inch drive form factor.

What workloads is it suited for?▾

It is well suited for shared file storage, backups, media libraries, and other always-on NAS workloads.