Western Digital - WD Gold WD4004FRYZ 4 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Storage System, Desktop PC, Server, Cloud Storage

WD Red Plus drives are designed to handle workloads of power users and small to medium business NAS environments. WD Red Plus drives deliver the speed and capacity required to store, protect and share growing amounts of data in mid-sized RAID-optimized NAS systems with increased power efficiency.

Your Data Is Gold WD Gold® HDDs incorporate our latest innovations to handle heavy, continuous read-write workloads in the toughest of enterprise and commercial system environments. WD Gold® drives provide the utmost in HDD storage performance, reliability, durability, and capacity-point flexibility to small and medium businesses and design professionals whose mission-critical data and creative output are essential to their success. Built For Demanding Use Cases Customize your business's storage mix to fit your specific needs with hard drives in capacities of up to 26TB1 engineered for demanding applications and read-write workloads of up to 550TB2 per year. Enhanced Reliability With a five-year limited warranty3 supporting up to 2.5M hours MTBF,4 WD Gold® hard drives deliver enhanced levels of dependability and durability. Protection and Performance Boost ArmorCacheTM technology (available in 22TB and above) is a Western Digital-only feature that provides enterprise power loss protection of your data in write-cache enabled (WCE) mode while increasing performance in write-cache disabled (WCD) mode. Continuous Innovation The WD Gold® 26TB1 model is built on the world's first 11-disk HDD platform and delivers the 10th generation of HelioSeal® technology, which has proven to be a vital foundation for continuous capacity growth for over a decade. Robustness For Tough Environments Our exclusive Rotational Vibration Safeguard (RVS) uses dual sensors to anticipate and counteract disturbances, maintaining peak performance in high-vibration environments. Flexibility and Peace of Mind WD Gold® has undergone extensive testing and validation in a variety of host bus adapters, servers, and enterprise storage solutions employing RAID and other data resiliency configurations.

IronWolf® Pro drives are engineered to deliver 24×7 performance, reliability, and dependability in multi-bay, multi-user commercial and enterprise RAID storage solutions. Total peace of mind with five-year limited warranty, complimentary three-year Rescue Data Recovery Services, and IronWolf Health Management.