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WD My Cloud EX4100 4-Bay NAS Enclosure
Inclusive of VAT Β· Warranty included
Western Digital
Product Specification
| Brand | Western Digital |
| Model | My Cloud EX4100 |
| Product Type | NAS Enclosure |
| Bay Count | 4-Bay |
| Drive Support | 3.5" SATA HDD Drives |
| RAID Support | RAID 0 / 1 / 5 / 10 |
| Connectivity | Gigabit Ethernet |
| Management Interface | Web Based Management Interface |
| Included Drives | No Drives Included |
| Use Case | Centralized Network Storage, Backup and File Sharing |
About This Product
Overview
The Western Digital My Cloud EX4100 is a 4-bay NAS enclosure built for users who need centralized storage with flexible drive configuration options. Designed to work with 3.5" SATA HDD drives, it provides a practical foundation for creating a shared storage environment for files, backups, and everyday network access. With Gigabit Ethernet connectivity and a web-based management interface, this NAS enclosure is suited to small office and home network storage setups where easy administration and accessible file sharing are important. Because no drives are included, it gives buyers the freedom to choose the capacity and drive setup that best fits their needs.
Performance & Scalability
The EX4100 supports RAID 0, 1, 5, and 10, allowing the storage configuration to be tailored around performance, redundancy, or a balance of both. A 4-bay design gives more room for expansion than smaller enclosures, making it a useful option for growing storage requirements. RAID support can help organize data across multiple drives in a way that matches the intended workload, whether the priority is maximizing usable space, improving data protection, or creating a more balanced storage array. Gigabit Ethernet connectivity supports network access for shared files and backup tasks, while the web-based management interface helps simplify day-to-day administration.
Storage Flexibility
As a NAS enclosure, the My Cloud EX4100 is designed to let users build a storage solution around their own hard drives. Support for 3.5" SATA HDD drives makes it compatible with common desktop-class storage options, and the four drive bays provide flexibility when planning capacity and RAID layout. This makes it easier to configure the system for centralized file storage, shared access across a network, or backup-oriented use. The enclosure format is especially useful for buyers who already have drives on hand or want to select drives separately based on their preferred capacity and storage strategy.
Why Choose This Product?
The Western Digital My Cloud EX4100 is a solid choice for buyers looking for a straightforward NAS enclosure with flexible RAID support and network storage features. It combines a 4-bay design, Gigabit Ethernet, and web-based management in a format that supports practical storage planning without unnecessary complexity. For users building a centralized backup location or a shared file repository, this enclosure offers the core features needed to create an organized and scalable storage environment. Its drive-less design also makes it a good fit for custom deployments where drive selection is handled separately.
About this NAS
WD My Cloud EX4100 four bay NAS enclosure for 3.5 inch SATA drives, with Gigabit Ethernet and RAID 0, 1, 5 and 10. Tested and stocked in Doha, delivered across Qatar within a day.
The Western Digital My Cloud EX4100 is a desktop network storage enclosure with four hot-swap bays for 3.5 inch SATA hard drives. It connects over Gigabit Ethernet, is managed from a web browser, and builds its arrays in RAID 0, 1, 5 or 10, so four drives can be arranged for capacity, speed or protection as the buyer prefers. No drives are included; the enclosure is populated to suit.
This refurbished EX4100 suits a small office or a home network in Qatar that needs a central place for shared files and backups without a server. It is quiet, draws little power and needs no specialist administration. ServerDove keeps it in Doha stock together with NAS grade drives to fill it.
- Bays
- 4 x 3.5 inch
- Drive type
- SATA HDD
- Network
- Gigabit Ethernet
- RAID
- 0, 1, 5, 10
- Drives
- Not included
Configuration
The enclosure is the complete NAS: processor, memory, operating system and network are built in, and only the drives are missing.
| Model | Western Digital My Cloud EX4100 |
| Product type | NAS enclosure, desktop |
| Drive bays | 4, hot-swap |
| Drive support | 3.5 inch SATA hard drives |
| RAID support | RAID 0, 1, 5, 10 |
| Network | Gigabit Ethernet |
| Management | Web based interface |
| Supplied | No drives included |
What this configuration suits
Shared folders for a team, a backup target for workstations and laptops, and media storage. With four drives in RAID 5, three quarters of the raw capacity is usable and any one drive can fail without loss; RAID 10 gives faster writes at half the raw capacity.
It is not a substitute for a server: Gigabit Ethernet limits throughput to roughly a hundred megabytes per second, and the built in processor handles file serving rather than applications.
Upgrade paths
- Drives: four 3.5 inch SATA NAS drives, ideally of the same model and capacity; NAS rated drives are built for the always on duty cycle
- Capacity: arrays can be grown by replacing drives with larger ones one at a time in RAID 5
- Backup: an external USB drive attached to the enclosure for a second copy of important folders
Part numbers and identification
Buyers search for "My Cloud EX4100", "WD EX4100 NAS" and "EX4100 4 bay".
| SKU | NAS-WD-EX4100-4BAY |
| Model | WD My Cloud EX4100 |
| Alias | EX4100 |
Compatibility
| Drives | 3.5 inch SATA hard drives, NAS rated recommended |
| Network | Any Gigabit Ethernet switch or router |
| Clients | Windows, macOS and Linux file sharing, and mobile access through WD's applications |
In the box
- The unit as described in the specification
- Power cable or power adapter where the unit uses one
Images are for illustration. The unit supplied is the one described in the specification and may differ cosmetically.
Not included
- Rack ears or mounting kit unless listed
- Transceivers, SFP modules and cables unless listed
- Software licences or subscriptions
Frequently Asked Questions
What type of drives does the WD My Cloud EX4100 support?
It supports 3.5" SATA HDD drives.
How many drive bays does this NAS enclosure have?
The My Cloud EX4100 is a 4-bay NAS enclosure.
Which RAID modes are supported?
This enclosure supports RAID 0, 1, 5, and 10.
Does this product include hard drives?
No, drives are not included with this NAS enclosure.
What network connection does it use?
It includes Gigabit Ethernet connectivity for network access.
Why buy refurbished?
Enterprise-grade performance at a fraction of the price of new.
Fully tested and verified
Every unit goes through hardware diagnostics before dispatch: POST tests, burn-in, memory checks and power supply verification.
Enterprise performance for less
Refurbished units deliver the same hardware capability as new, at significantly lower upfront cost, freeing budget for CPUs, memory and storage.
Available now
New enterprise hardware carries lead times of weeks or months. Our stock is held in Doha and ready to ship within 24 hours.
Backed by support
Warranty on every unit we sell, with installation and ongoing hardware support available across Qatar.