Western Digital My Cloud Expert Series EX4100 40TB 4-Bay NAS

Brand: Western Digital · SKU: WDBWZE0400KBK-NESN · MPN: WDBWZE0400KBK · Category: Components

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The My Cloud Expert Series EX4100 is a high-performance, 4-bay Network Attached Storage (NAS) solution designed for creative professionals and small businesses. Pre-configured with 40TB of raw capacity via four 10TB WD Red NAS hard drives, it features a Marvell ARMADA 388 1.6GHz dual-core processor and 2GB of DDR3 RAM to deliver high-speed file transfers and seamless media streaming. The system supports multiple RAID configurations (0, 1, 5, 10, JBOD, and spanning) for data redundancy or performance optimization. With the My Cloud OS 5, users can securely access, share, and manage content from anywhere via mobile or web apps. It also supports third-party applications like Plex Media Server, Dropbox, and WordPress, and features dual Gigabit Ethernet ports for link aggregation and power redundancy support.

Specifications

Memory2GB DDR3
Capacity40TB (4 x 10TB Drives)
Interface2 x Gigabit Ethernet, 3 x USB 3.0
ProcessorMarvell ARMADA 388 1.6 GHz Dual-Core
Drive Bays4 x 3.5" SATA, Hot-swappable, Tray-less
Encryption256-bit AES Volume Encryption
RAID LevelsRAID 0, 1, 5, 10, JBOD, Spanning
Operating SystemMy Cloud OS 5
Warranty3-Year Limited Warranty
Weight14.2 lbs
Dimensions9.13 x 7.56 x 6.69 inches

Key Features

High-capacity NAS designed for professional-grade reliability and centralized storage. Features pre-installed WD Red drives optimized for 24/7 environments and high-speed streaming capabilities.

Frequently Asked Questions

Is this product genuine OEM?

Yes, this Western Digital My Cloud Expert Series EX4100 40TB 4-Bay NAS (WDBWZE0400KBK-NESN) is 100% genuine Western Digital hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.

What warranty is included?

This Western Digital My Cloud Expert Series EX4100 40TB 4-Bay NAS includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.

How long does shipping take?

We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.

Can I return this product?

Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.

Is the Western Digital My Cloud Expert Series EX4100 40TB 4-Bay NAS compatible with my system?

Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the WDBWZE0400KBK-NESN.

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