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WD My Cloud EX4100 4-Bay NAS Enclosure
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.
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 a Refurbished Products?
Refurbished enterprise servers offer enterprise-grade performance at a fraction of the new price.
Up to 70% Cost Savings
Refurbished R650xs units deliver identical hardware capability to new, at significantly lower upfront cost — freeing budget for CPUs, RAM, and storage.
Fully Tested & Verified
Every unit undergoes comprehensive hardware diagnostics before dispatch. POST tests, burn-in, memory checks, and power supply verification are standard.
Immediate Availability
Unlike new enterprise servers with lead times of weeks or months, refurbished stock is ready to ship within 24 hours of ordering.
Same Performance
The hardware inside the R650xs performs identically whether purchased new or refurbished. The 3rd Gen Xeon platform, PCIe Gen4, and iDRAC9 are unchanged.