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Introduction

The Seagate IronWolf Pro 6 TB is a NAS (Network Attached Storage) hard disk drive. Let’s compare it to its competitor and see how fast it is. Check it out!

The IronWolf Pro family has models with 2 TB, 4 TB, 6 TB, 8 TB, and 10 TB capacity, all of them with 7,200 rpm, using 3.5” format, SATA-600 interface and 26.1 mm tall. The 6 TB, 8 TB, and 10 TB models have 256 MiB cache memory, while the 2 TB and 4 TB models have 128 Mib of cache RAM.

Being focused to the enterprise network enviroment, the IronWolf Pro aim on performance, but also on data protection. They are recommended to NAS units with up to 16 drives and, according to the manufacturer, come with vibration sensors that help to protect data even under mechanical vibration.

We tested the 6 TB model, code number ST6000NE0021. As the other models of the same series, it has a five-year warranty and comes with a data rescue service free for two years.

Figures 1 and 2 present the Seagate IronWolf Pro 6 TB hard disk drive.

Seagate IronWolf Pro 6 TBFigure 1: the Seagate IronWolf Pro 6 TB

Seagate IronWolf Pro 6 TBFigure 2: the Seagate IronWolf Pro 6 TB

In our tests, we will be comparing the IronWolf Pro 6 TB to the WD Red Pro 5 TB, which is also a high-performance NAS model with similar characteristics. In the table below, we will compare the basic specifications of these products.

Manufacturer
Model
Model #
Rotational Speed
Interface
Buffer
Capacity
Price*
Seagate
Seagate IronWolf Pro 6 TB
ST6000NW021
7,200 rpm
SATA-600
256 MiB
6 TB
USD 270
Western Digital
WD Red Pro 5 TB
7,200 rpm
SATA-600
128 MiB
5 TB
USD 253

* All prices were researched at Newegg.com on the day we published this review.