Western Digital

Western Digital WD4001FYYG 4TB SAS HDD Enterprise

Unleash Enterprise-Class Storage PerformanceIntroducing the Western Digital WD Re WD4001FYYG, a 4TB hard drive engineered for demanding datacenter environments. Offering a robust design and unparalleled reliability, this drive is built to handle heavy workloads, ensuring your data is safe and acc...

$145.00*
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Sep 04, 2026.Price and availability are subject to change — details.

Affiliate Disclosure: As an Amazon Associate, Studio Supplies earns from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Unleash Enterprise-Class Storage Performance

Introducing the Western Digital WD Re WD4001FYYG, a 4TB hard drive engineered for demanding datacenter environments. Offering a robust design and unparalleled reliability, this drive is built to handle heavy workloads, ensuring your data is safe and accessible around the clock.

Specifications

  • Brand: Western Digital
  • Model: WD4001FYYG
  • Capacity: 4TB
  • Interface: SAS 6Gb/s
  • Rotational Speed: 7.2K RPM
  • Cache: 32MB
  • Form Factor: 3.5"

Key Features

Best fit applications: High performance computing, high reliability cloud storage, RAID arrays, high availability external storage arrays, data warehousing and mining

Designed for heavy application workloads: 550TB per year at 24x7 operation

1.4 million hours MTBF and .0063 AFR

RAID specific, time limited error recovery (TLER)

Thermal extended burn in test ensures reliable operation

Specifications

Brand
Western Digital
Model Name
WD4001FYYG
Capacity
4TB
Interface
SAS
Workload Rating
550TB per year (24x7)
MTBF
1.4 million hours
AFR
0.0063
Features
RAID specific TLER, Thermal extended burn in test
Best Fit Applications
High performance computing, high reliability cloud storage, RAID arrays, high availability external storage arrays, data warehousing and mining

Similar Products

Other products from the same family that visitors often consider:

Frequently Asked Questions

This drive is best suited for high-performance computing, high-reliability cloud storage, RAID arrays, high-availability external storage arrays, and data warehousing and mining.
It is designed to handle heavy application workloads of up to 550TB per year with continuous 24x7 operation.
Yes, it includes RAID-specific, time-limited error recovery (TLER), which helps prevent common drive fallout issues in RAID arrays.
The WD4001FYYG boasts a high reliability with a 1.4 million hours MTBF, indicating robust long-term performance.
Reliability is ensured through a thermal extended burn-in test, which helps verify stable performance under demanding conditions.