A four-bay enclosure gives you room to build a larger storage pool without jumping straight to enterprise hardware. The right choice depends on whether you need a full NAS, a simpler USB-attached enclosure, or a balance of performance, expandability, and ease of use.
We compare 10 options for families, creators, power users, and small teams, focusing on drive support, connectivity, RAID features, performance, and practical setup considerations.
Best 10 Nas Enclosure with Four Bays Picks for 2026
Best Overall
- 10GbE networking and 10Gbps USB
- Supports RAID, Docker, and virtual machines
- Up to 144TB with separately purchased drives
Best For: Small offices, creators, and families needing versatile private storage
Best Direct-Attached Expansion
- Four SATA bays for 3.5-inch or 2.5-inch drives
- 10Gbps USB-C connectivity
- Independent bay switches and automatic cooling
Best For: Desktop users expanding local storage over USB-C
Best for Power Users
- Intel Core i3 and expandable DDR5 memory
- Dual 10GbE and 2.5GbE networking
- Docker, VMs, RAID, and dual M.2 slots
Best For: Developers, IT professionals, and demanding media workflows
Best Budget DAS
- Four bays with hardware RAID modes
- USB Type-C direct-attached storage
- Works with Windows, macOS, and Linux
Best For: Local storage expansion and compatible QNAP backups
Best High-Speed NAS
- Ryzen processor with expandable 8GB DDR4 RAM
- Dual 10GbE and SSD expansion for fast workflows
- Supports media, Docker, surveillance, and backups
Best For: Creators, enthusiasts, and small office teams
Best Simple DAS Enclosure
- USB 3.2 Gen 2 connectivity up to 10Gbps
- Tool-free trays with hot-swappable drives
- No RAID or NAS features; direct-attached storage only
Best For: Local storage expansion for Mac, Windows, and Linux
Best Balanced NAS
- Quad-core Intel processor with 8GB DDR4 RAM
- Dual 2.5GbE ports for faster file sharing
- Dual M.2 slots support cache or SSD storage pools
Best For: Home users and small offices
Best Performance Pick
- Intel quad-core CPU with 4GB RAM
- 2.5GbE and 4K media support
- Up to 120TB with flexible arrays
Best For: Fast home storage, backups, and media streaming
Best Direct-Attached Value
- Four SATA HDD/SSD bays
- USB 3.0 up to 5Gbps
- DAS design with no RAID or NAS
Best For: Simple local desktop storage expansion
Best Flexible Home Server
- Intel N100 with 8GB DDR4 RAM
- RAID 0/1/5 and up to 144TB raw capacity
- Dual 2.5GbE, HDMI, and Docker support
Best For: Private cloud, media, and homelab projects
Best Overall – UGREEN DXP4800 Plus
The UGREEN DXP4800 Plus is a versatile nas enclosure with four bays for families, creators, and small teams that need centralized storage, backups, remote access, and fast file transfers. It supports up to 144TB with compatible drives, although storage must be purchased separately.
Best For: Small offices, creative households, and users who want a full-featured NAS with fast networking and private-cloud tools.
Pros:
- 10GbE and 10Gbps USB connectivity support fast transfers.
- Supports RAID, Docker, virtual machines, and automatic backups.
- Includes 8GB DDR5 RAM, a 128GB SSD, and 4K HDMI output.
- AI-powered photo organization and broad device compatibility.
Cons:
- Hard drives or SSDs are not included.
- Wired Ethernet is required; Wi-Fi is not supported.
- Actual speeds depend on the network, drives, CPU, and file sizes.
Choose this model when you want more than basic storage. Its combination of high-speed networking, private-cloud features, and application support makes it a strong all-around four-bay NAS, provided you are comfortable sourcing and installing compatible drives.
Best Direct-Attached Expansion – WAVLINK 4-Bay Enclosure
The WAVLINK four-bay unit is a practical nas enclosure with four bays for expanding storage directly from a computer. It accepts 3.5-inch and 2.5-inch SATA drives, connects over 10Gbps USB-C, and adds HDMI output for compatible host systems.
Best For: Desktop users who want removable multi-drive storage, fast USB-C transfers, and convenient drive-by-drive power control.
Pros:
- Four SATA bays support both 3.5-inch and 2.5-inch drives.
- Up to 10Gbps USB-C data transfer rates.
- Independent bay power switches support convenient drive changes.
- Aluminum construction and temperature-controlled fans help manage heat.
Cons:
- It is an enclosure or docking station, not a standalone network NAS.
- 2.5-inch drives require mounting brackets that are not included.
- HDMI requires a compatible host USB-C video output connection.
This is a good fit if your priority is direct-attached capacity rather than NAS software and remote access. Its flexible drive support and cooling features are useful for large local libraries, while the USB-C connection keeps setup straightforward.
Best for Power Users – UGREEN DXP4800 Pro
The UGREEN DXP4800 Pro is a performance-focused nas enclosure with four bays for developers, IT professionals, video editors, and demanding home users. Its Intel Core i3 processor, expandable DDR5 memory, dual fast network ports, and support for Docker and virtual machines make it suited to advanced workflows.
Best For: Power users and small teams running virtual machines, containers, development services, or high-throughput media workflows.
Pros:
- Intel Core i3-1315U processor with 8GB DDR5 RAM expandable to 96GB.
- 10GbE and 2.5GbE ports support transfers up to 1.25GB/s.
- Supports RAID 0, 1, 5, and 10, plus Docker and virtual machines.
- Dual M.2 PCIe 4.0 slots can provide caching or additional storage.
Cons:
- Hard drives are not included.
- Its advanced features may be more than basic storage users need.
- Wired networking is required because the listed connectivity does not include Wi-Fi.
The Pro version is the stronger choice for workloads that need processing headroom and memory expansion. It costs more complexity than a basic four-bay enclosure, but the hardware and virtualization support provide room to grow.
Best Budget DAS – QNAP TR-004
QNAP TR-004 4 Bay USB Type-C Direct Attached Storage (DAS) with hardware RAID (Diskless)
Check Price On AmazonThe QNAP TR-004 is a straightforward nas enclosure with four bays when you need direct-attached storage rather than a standalone NAS operating system. It connects by USB Type-C, supports four 3.5-inch SATA drives, and provides hardware RAID modes for Windows, macOS, and Linux computers.
Best For: Users seeking affordable local storage expansion or a USB-connected backup enclosure for a compatible QNAP NAS.
Pros:
- Hardware RAID supports RAID 0, 1, 5, JBOD, and individual disks.
- Four lockable 3.5-inch drive bays.
- USB Type-C connection works with Windows, macOS, and Linux.
- Can serve as external storage or expand a compatible QNAP NAS.
Cons:
- It is diskless and does not run NAS applications.
- USB connectivity does not provide standalone network access.
- Compatibility and volume limitations apply when connecting to QNAP NAS models.
The TR-004 makes sense when dependable local expansion and hardware RAID matter more than cloud access or app support. Confirm compatibility with your QNAP model before buying, especially if you plan to use it as NAS expansion.
Best High-Speed NAS – UGREEN DXP4800 GT 4-Bay
If you need a capable nas enclosure with four bays for demanding storage and network workloads, the UGREEN DXP4800 GT is built for creators, enthusiasts, and small office teams. Its Ryzen processor, expandable memory, dual 10GbE networking, and broad app support make it suitable for fast file transfers, media work, backups, and self-hosted services.
Best For: Creators and office teams needing high-speed networking, media storage, backups, surveillance, and expandable NAS applications.
Pros:
- Ryzen Embedded R2514 processor, 8GB DDR4 RAM, and support for up to 64GB.
- Dual 10GbE ports and SSD expansion support fast transfers and demanding media workflows.
- Supports Docker, virtual machines, surveillance, local backups, and media-server apps.
- Built-in SD card slot and multiple USB ports simplify direct file imports and backups.
Cons:
- Drives are not included.
- Its extensive features may be more than needed for basic file storage.
- Full dual-10GbE performance requires compatible network equipment.
The DXP4800 GT stands out when performance and flexibility matter more than simplicity. It offers four SATA bays plus additional SSD expansion, local privacy features, and a wide application ecosystem for users building a more advanced storage setup.
Best Simple DAS Enclosure – TERRAMASTER D4-320 4-Bay
The TERRAMASTER D4-320 is a straightforward alternative for shoppers searching for a nas enclosure with four bays but who actually need direct-attached storage instead of network features. It connects to a computer over USB-C, supports four individual drives, and offers tool-free installation with hot swapping.
Best For: Mac, Windows, and Linux users who want a quiet, plug-and-play four-drive USB enclosure without built-in RAID.
Pros:
- USB 3.2 Gen 2 provides up to 10Gbps data transmission.
- Supports up to four 3.5-inch or 2.5-inch SATA drives, with up to 30TB per HDD.
- Tool-free trays and hot swapping make drive changes convenient.
- Temperature-controlled cooling, sound absorption, and vibration damping help reduce noise.
Cons:
- This is a DAS, not a NAS, so it does not provide network storage or NAS applications.
- It has no RAID function; the four disks operate individually.
- Actual transfer speeds depend on the installed drives and connected computer.
The D4-320 is best viewed as a USB expansion enclosure rather than a true NAS. Choose it for simple local storage, flexible drive access, and quiet operation; choose a networked NAS if you need remote access, centralized services, or RAID management.
Best Balanced NAS – QNAP TS-464-8G 4-Bay
The QNAP TS-464-8G is a balanced nas enclosure with four bays for home users, teams, and small businesses. Its quad-core Intel processor, 8GB of DDR4 memory, dual 2.5GbE ports, and dual M.2 slots provide a practical mix of network performance, storage expansion, and everyday file-management capability.
Best For: Homes and small offices that need centralized files, media organization, faster network sharing, and optional SSD caching.
Pros:
- Quad-core Intel N5105/N5095 processor with 8GB DDR4 RAM.
- Dual 2.5GbE ports support faster file sharing and large transfers.
- Dual M.2 PCIe Gen3x2 slots can be used for cache acceleration or SSD storage pools.
- USB 3.2 Gen 2 ports support fast transfers to compatible external storage.
Cons:
- Drives are not specified as included in the supplied details.
- Its 2.5GbE networking is slower than the UGREEN model’s dual 10GbE setup.
- Advanced features such as SSD caching may require additional compatible hardware.
The TS-464-8G offers a sensible middle ground for users who want more than basic storage without stepping up to a higher-end 10GbE platform. Its four bays, dual 2.5GbE ports, M.2 slots, and USB expansion make it versatile for shared files and household or office media libraries.
Best Performance Pick – TERRAMASTER F4-425
If you want a capable nas enclosure with four bays for home storage, media streaming, and multi-user access, the TERRAMASTER F4-425 combines an Intel x86 quad-core CPU, 4GB RAM, and 2.5GbE networking in a diskless design.
Best For: Home users who need fast file transfers, 4K media support, photo organization, and flexible storage expansion.
Pros:
- Intel quad-core processor and 4GB RAM support multitasking and 4K transcoding.
- 2.5GbE networking and hardware-level 4K H.265 decoding suit media-heavy households.
- Tool-free trays, 21dB(A) operation, mobile setup, and automatic photo backups improve usability.
- Supports up to 120TB, TRAID/TRAID+, cloud synchronization, and up to 50 independent users.
Cons:
- Drives are not included, so the total setup cost will be higher.
- Its plastic enclosure may feel less premium than an aluminum chassis.
The F4-425 is a well-rounded four-bay NAS enclosure for buyers prioritizing performance and quiet home operation. Its media features and synchronization tools make it especially practical for shared family storage and personal media libraries.
Best Direct-Attached Value – CENMATE 4-Bay Enclosure
The CENMATE is a four-drive enclosure for shoppers who need expanded desktop storage rather than a networked server. As a nas enclosure with four bays alternative, it connects directly over USB 3.0 and supports both 2.5-inch and 3.5-inch SATA drives.
Best For: Users seeking simple, plug-and-play DAS storage for a computer, with hot-swappable drive access and up to 80TB of supported capacity.
Pros:
- Supports four 2.5-inch or 3.5-inch SATA HDDs and SSDs.
- USB 3.0 with UASP provides transfer rates up to 5Gbps and includes USB-A/C connectivity.
- Tool-free, hot-swappable design makes drive installation and replacement convenient.
- Aluminum construction and a built-in fan help manage heat during use.
Cons:
- This is DAS, not NAS, and does not provide network access or RAID.
- The fan may produce around 40–50dB of noise.
- It requires a separate 12V power adapter and attached computer.
Choose the CENMATE when straightforward local storage matters more than remote access, NAS software, or RAID features. It offers broad drive compatibility and simple USB connectivity, but it should not be treated as a standalone network storage system.
Best Flexible Home Server – Yxk Zero1 Pro 4-Bay NAS
The Yxk Zero1 Pro is a diskless nas enclosure with four bays built for private cloud storage, home media, and more advanced server projects. Its Intel N100 processor, 8GB RAM, dual 2.5GbE ports, and 4K HDMI output give it room to grow beyond basic backups.
Best For: Families, home-office users, and homelab enthusiasts who want guided setup, RAID options, remote access, and Docker or alternative NAS operating-system flexibility.
Pros:
- Intel N100 CPU and 8GB DDR4 RAM suit backups, file sharing, and home-server tasks.
- Four SATA bays support up to 4 x 32TB drives with RAID 0, 1, or 5.
- Two M.2 NVMe slots, dual 2.5GbE ports, and 4K HDMI add useful expansion options.
- Guided mobile setup, AI photo albums, remote access, Docker support, and aluminum cooling broaden its uses.
Cons:
- HDDs and SSDs are sold separately.
- Combined capacity figures are raw capacity before formatting and RAID.
- Third-party operating systems and applications may require manual setup and have varying compatibility.
The Zero1 Pro is the strongest choice here for buyers who want a four-bay NAS that can serve as both household cloud storage and a customizable home server. Its hardware and expansion features are particularly attractive for users comfortable exploring Docker or alternative NAS platforms.
How We Picked the Best Nas Enclosure with Four Bays
We selected products across two main categories: network-attached storage (NAS) systems and direct-attached storage (DAS) enclosures. A NAS runs its own operating system and connects over your network, while a DAS connects directly to a computer through USB or another wired interface. That distinction affects remote access, backup options, media streaming, and day-to-day convenience.
Our comparison also considers drive compatibility, RAID support, connection speed, hardware performance, cooling, operating-system features, and whether the enclosure is sold diskless. Diskless models let you choose your own drives, but the total cost should include those drives and any required setup time.
Quick Comparison
- Best for complete home or small-office NAS features: Look at the UGREEN DXP4800 Plus, QNAP TS-464, or TERRAMASTER F4-425.
- Best for demanding workloads: The UGREEN DXP4800 Pro and DXP4800 GT are aimed at developers, creators, and power users.
- Best for simple USB storage expansion: QNAP TR-004, TERRAMASTER D4-320, WAVLINK, and CENMATE focus on direct computer connections.
- Best for a private-cloud-oriented setup: Yxk Zero1 Pro offers a four-bay NAS format for personal storage and media use.
Key Buying Factors for a Nas Enclosure with Four Bays
NAS or DAS Connection
Choose a NAS if multiple devices need access to shared files, backups, user accounts, or media libraries. Choose a DAS if you primarily want additional storage for one computer and prefer a simpler, often lower-cost setup. A DAS does not automatically provide the same remote-access and multi-user features as a NAS.
Drive and RAID Compatibility
Check whether the enclosure supports 3.5-inch hard drives, 2.5-inch SSDs, or both. RAID 0 can improve speed but offers no drive redundancy; RAID 1 protects against a single drive failure but sacrifices capacity; RAID 5 uses three or more drives and balances usable space with redundancy. RAID is not a substitute for an independent backup.
Network and USB Performance
For a networked enclosure, faster Ethernet can help with large media files, workstation backups, and several simultaneous users, provided your switch and computers support it. For DAS models, compare USB generation, connector type, and the actual ports on your computer. Advertised interface speeds are theoretical maximums.
Hardware, Cooling, and Software
A faster processor and more memory matter for containerized apps, encryption, indexing, virtualization, and transcoding. For basic file storage, those features may be unnecessary. Look for active cooling, temperature monitoring, drive health alerts, and a software platform you can comfortably manage.
Who Should Buy Which Nas Enclosure with Four Bays?
Families and home users should prioritize simple mobile access, automatic backup tools, quiet operation, and straightforward drive management. Creators should look for fast networking or USB, SSD compatibility, and enough performance for large project files. Small teams benefit from user permissions, snapshots, backup integrations, and dependable redundancy. Power users and developers should favor stronger processors, more memory, application support, and expansion options. If you only need a local disk pool for one computer, a four-bay DAS may be the more practical choice.