10 Best NAS Enclosures for PC in 2026: Smart Picks for DIY Storage Builds

Building a PC-based NAS gives you more control over storage, upgrades, cooling, and software than many turnkey systems. The right enclosure can also make drive installation, maintenance, and future expansion much easier.

This roundup compares 10 NAS enclosures for PC, including external multi-drive bays and DIY cases for Mini-ITX, Micro-ATX, ATX, and larger server builds. Use the guide below to match capacity, connectivity, cooling, and form factor to your setup.

Best 10 Nas Enclosures for PC Picks for 2026

Best Expandable PC NAS Case – DARKROCK Classico MAX

For builders seeking nas enclosures for pc, the DARKROCK Classico MAX is a full-tower computer case designed around high-capacity storage. It supports up to 13 drives, ATX-family motherboards, water cooling, and vertical GPU mounting.

Best For: DIY NAS builders who want extensive internal drive capacity and flexible PC-component support.

Pros:

• Supports up to 10 3.5-inch HDDs and 3 2.5-inch SSDs.
• Mesh front and side panels promote airflow.
• Supports a 360 mm radiator and vertical GPU mounting.
• Includes four pre-installed 120 mm fans and a dust filter.

Cons:

• It is a large full-tower case.
• It is a chassis rather than a complete NAS system, so components are required.

The Classico MAX is a practical choice when storage expansion and cooling flexibility matter more than compact size. Its broad motherboard and drive support make it suitable for a customized PC-based NAS.

Best Plug-and-Play DAS Enclosure – TerraMaster D4-320

The TerraMaster D4-320 is a four-bay external enclosure for shoppers comparing nas enclosures for pc, but it is a DAS rather than a NAS. Its USB 3.2 Gen 2 Type-C connection provides direct-attached storage for Windows, Mac, and Linux computers.

Best For: Users who need simple, high-capacity external storage without a separate network operating system.

Pros:

• Holds four 3.5-inch or 2.5-inch SATA drives, with up to 120TB total capacity based on the supplied specifications.
• Supports USB 3.2 Gen 2 speeds up to 10Gbps.
• Offers tool-free trays, hot swapping, and plug-and-play compatibility.
• Temperature-controlled cooling and sound-damping features support quieter operation.

Cons:

• It has no RAID function.
• It is DAS, so storage is accessed through a direct USB connection rather than as a standalone NAS.

The D4-320 simplifies adding multiple drives to an existing computer. Choose it when direct USB storage is the priority and you do not need built-in network sharing or RAID.

Best High-Capacity NAS Chassis – Rosewill THOR NAS

The Rosewill THOR NAS is a full-tower chassis for building nas enclosures for pc-based servers. It supports E-ATX motherboards, up to 11 3.5-inch HDDs or 13 2.5-inch SSDs, and expansion cards up to 400 mm long.

Best For: Workstation, AI server, media server, and DIY NAS builds that need substantial drive and expansion capacity.

Pros:

• Supports E-ATX motherboards and large component configurations.
• Provides capacity for up to 11 3.5-inch HDDs or 13 2.5-inch SSDs.
• Includes a USB 3.2 Type-C port and 140 mm PWM fan.
• Accepts expansion cards up to 400 mm in length.

Cons:

• Its full-tower dimensions require considerable space.
• Only one 140 mm fan is listed, so additional cooling may be needed for demanding builds.
• It is an empty chassis and requires a motherboard, drives, power supply, and other components.

THOR NAS is aimed at builders who want a spacious, professional-style foundation rather than a ready-to-use NAS. Its E-ATX support and large drive capacity leave room for ambitious storage and server configurations.

Best Complete NAS for Creators – UGREEN DXP4800 GT

Unlike bare nas enclosures for pc, the UGREEN DXP4800 GT is a complete four-bay NAS for creators, enthusiasts, and office teams. It combines an AMD Ryzen Embedded processor, expandable memory, dual 10GbE networking, RAID support, and software for backups, media, Docker, and surveillance.

Best For: Creators and small teams needing fast network storage, local media workflows, backups, and expandable server features.

Pros:

• Includes 8GB DDR4 RAM expandable to 64GB and a four-core, eight-thread AMD processor.
• Dual 10GbE ports support high-speed transfers and link aggregation.
• Supports four SATA drives, selected U.2 NVMe expansion, and two M.2 SSDs.
• Offers RAID, Docker, virtual machines, surveillance tools, SD backup, and 4K HDMI connectivity.

Cons:

• Drives are not included.
• Some advanced features require compatible network equipment, drives, cameras, or software configurations.
• Its capabilities may be more than needed for basic file storage.

The DXP4800 GT is the strongest option here for buyers wanting a ready-made NAS platform with creator-focused connectivity and broad software support. Its hardware and expansion options make it suitable for demanding multi-user workloads.

Best High-Capacity Drive Dock – WAVLINK 4-Bay Enclosure

For shoppers comparing nas enclosures for pc, the WAVLINK 4-Bay enclosure is a flexible direct-attached storage option. It accepts four 3.5-inch SATA drives, with support for 2.5-inch drives when used with separate mounting brackets, and connects over USB-C at up to 10Gbps.

Best For: Desktop users who need expandable local storage, fast file transfers, hot-swappable bays, and an HDMI-connected workspace.

Pros:

• Supports up to four SATA drives and a stated maximum capacity of 88TB.
• USB 3.2 Type-C supports transfer speeds up to 10Gbps.
• Independent bay power switches and temperature-controlled fans add convenience and cooling.
• Includes HDMI output supporting up to 4K at 60Hz when the host USB-C port supports video output.

Cons:

• It is a drive enclosure rather than a complete network-enabled NAS, so it requires a connected host computer.
• 2.5-inch drives require mounting brackets, which are not included.
• HDMI functionality depends on compatible USB-C video output from the host.

This is a strong choice when you want several removable drives in one aluminum enclosure and already have a PC or laptop to manage the storage. Its connectivity and cooling features make it especially practical for large local file collections.

Best Beginner NAS – UGREEN NAS DH2300 2-Bay

Among nas enclosures for pc, the UGREEN NAS DH2300 stands out as an entry-level network storage system for personal files, photos, videos, and backups. Its two bays support up to 64TB with separately purchased drives, while automatic backups work across Windows, macOS, iOS, and Android devices.

Best For: Beginners, families, and personal users who want private centralized storage and straightforward multi-device backups.

Pros:

• Designed as an easy starting point for personal NAS storage.
• Supports up to 64TB and automatic backups across major desktop and mobile platforms.
• Includes 4GB of onboard RAM and 1GbE networking with stated transfer speeds up to 125MB/s.
• Offers AI photo organization, RAID modes, two-factor authentication, permission controls, and encrypted transfers.

Cons:

• Storage drives are not included.
• It does not support Docker or virtual machines.
• Wi-Fi is not built in; wireless use requires an external USB adapter, and wired Ethernet is recommended.

The DH2300 is better suited to personal cloud replacement and backup than advanced server workloads. Its approachable setup, cross-platform support, and privacy-focused features make it a sensible first NAS for home users.

Best DIY NAS Chassis – KCMconmey 4+1 Bay Case

For builders searching nas enclosures for pc, this KCMconmey chassis provides a compact foundation for a custom network-attached storage system. It supports a Mini-ITX motherboard, four 2.5- or 3.5-inch drive trays, an additional internal 2.5-inch bay, and a single full-height, single-slot PCIe expansion card.

Best For: DIY users who want to choose their own motherboard, processor, storage controller, network card, and operating system.

Pros:

• Supports a Mini-ITX motherboard and four front drive bays plus one internal 2.5-inch bay.
• Accepts Flex or compatible 1U power supplies.
• Provides a PCIe slot for a video card, network card, or other expansion.
• Includes two front USB 3.0 ports and a replaceable 80mm chassis fan.

Cons:

• This is an empty DIY case, so the motherboard, power supply, drives, and other core components must be purchased separately.
• Hardware compatibility is constrained by Mini-ITX, Flex/1U PSU, and single-slot expansion-card dimensions.
• Its compact layout may require careful component selection and assembly.

This case is the most configurable option of the three, but it demands more planning than a ready-to-use NAS. It makes sense for builders who value hardware control and PCIe expandability over plug-and-play setup.

Best USB DAS Alternative – CENMATE 4-Bay Drive Enclosure

If you need nas enclosures for pc but do not need networking or RAID, the CENMATE is a practical direct-attached storage option. Its four bays accept 2.5-inch and 3.5-inch SATA HDDs or SSDs, with USB 3.0 connectivity to a desktop or laptop.

Best For: Individuals or small businesses that want expandable external storage rather than a complete network-attached server.

Pros:

• Supports four SATA drives and up to 80TB total capacity based on the supplied specifications.
• Tool-free, hot-swappable drive design simplifies installation and replacement.
• USB 3.0 offers transfer speeds up to 5Gbps, with both USB-A and USB-C cables included.
• Aluminum construction, a built-in fan, and a 12V power adapter support sustained operation.

Cons:

• It is a DAS enclosure, not a true NAS, and does not provide RAID functionality.
• The fan may produce approximately 40–50dB of noise.

The CENMATE makes sense when simple, high-capacity USB storage is the priority. Choose a true DIY NAS case instead if you need network access, RAID, or a motherboard-based system.

Best High-Capacity DIY NAS Case – AUDHEID 8-Bay Mini ITX NAS Case

Among nas enclosures for pc, this AUDHEID chassis is aimed at builders who want substantial drive capacity and control over their components. It provides eight hot-swap bays for 3.5-inch HDDs or 2.5-inch SSDs and supports Mini-ITX or Micro-ATX systems.

Best For: Home media servers, private-cloud builds, surveillance storage, and small-business file archives that require eight drive bays.

Pros:

• Eight hot-swap bays allow drives to be added or replaced without shutting down the system.
• Supports both Mini-ITX and Micro-ATX motherboards, plus 1U or FLEX power supplies.
• Separated cooling channels and three temperature-controlled fans help manage heat during continuous use.
• Steel construction and drive activity indicators provide a sturdy, practical enclosure design.

Cons:

• Motherboard, CPU, power supply, and other core components are not included.
• Its larger chassis is less suitable for buyers seeking a compact NAS build.

This is the strongest choice of the three for a high-capacity custom NAS or media server. Its broad component compatibility is useful, but builders should confirm motherboard, cooler, and power-supply dimensions before buying.

Best Compact TrueNAS Enclosure – AUDHEID K3 4-Bay Mini ITX Case

For a smaller DIY system, the AUDHEID K3 is one of the more focused nas enclosures for pc. It combines four hot-swap bays with Mini-ITX support, a Flex power-supply layout, and compatibility with platforms such as TrueNAS and OpenMediaVault.

Best For: Compact home private clouds, studio media servers, and software-router or NAS builds using a Mini-ITX motherboard.

Pros:

• Four tool-free hot-swap bays accept either 3.5-inch or 2.5-inch drives.
• Supports 6.7-by-6.7-inch Mini-ITX motherboards and Flex compact power supplies.
• A 12cm rear fan and ventilated side panel support airflow for extended operation.
• Front power control, two USB 2.0 ports, drive indicators, and included mounting hardware simplify everyday use.

Cons:

• It is limited to Mini-ITX motherboards, reducing component flexibility.
• Motherboard, CPU, and power supply are not included.
• The front USB ports are USB 2.0 rather than USB 3.0.

The K3 offers a balanced route to a compact, customizable NAS, especially for TrueNAS or OMV users. Its four-bay limit and Mini-ITX requirement make it less appropriate for large storage arrays or frequent expansion.

How We Picked the Best Nas Enclosures for PC

We focused on the practical features that affect a NAS build over time: drive-bay count, support for both 3.5-inch hard drives and 2.5-inch SSDs, motherboard compatibility, power-supply requirements, cooling, hot-swap access, and connection speed. The selection includes complete external enclosures as well as cases intended for DIY systems, because these products suit different storage goals.

We also considered whether each enclosure is better suited to simple disk expansion, a media server, backups, virtualization, or a full custom NAS with operating-system flexibility. Capacity claims can depend on drive size, RAID configuration, and software, so treat them as maximums rather than guaranteed usable storage.

Quick Comparison

• External four-bay enclosures: TerraMaster D4-320, WAVLINK, and CENMATE models are convenient for adding several SATA drives to an existing computer.
• Preconfigured NAS platforms: UGREEN’s DXP4800 GT and DH2300 include NAS-focused hardware and software features, making them easier to deploy than a bare case.
• DIY compact cases: The Mini-ITX and Micro-ATX options prioritize flexible component selection, hot-swap access, and space-efficient storage builds.
• Large workstation/server cases: The DARKROCK Classico and Rosewill Thor are better for high drive counts, larger motherboards, and substantial upgrade plans.

Key Buying Factors for Nas Enclosures for PC

Drive Capacity and Layout

Choose the number of bays based on your current drives and likely expansion. Four bays work well for home file storage and common RAID layouts, while eight or more bays make more sense for large media libraries, backups, or multi-user storage. Confirm whether trays accept 3.5-inch drives, 2.5-inch SSDs, or both.

Compatibility and Power

For a DIY enclosure, check motherboard support, graphics-card clearance, CPU-cooler height, and the required power-supply format. Mini-ITX cases save space but restrict component choices. ATX and full-tower models offer easier upgrades and more room for controllers, networking cards, and additional fans.

Connectivity and Cooling

External enclosures with USB 3.0, USB-C, or 10Gbps connectivity can provide fast direct-attached storage, but performance depends on the host computer, drives, and cable. For always-on NAS use, prioritize controlled airflow, replaceable fans, vibration management, and accessible dust filters where available.

Hot-Swap and Maintenance

Hot-swap bays are useful when replacing or expanding drives without opening the chassis, but the host hardware and operating system must support safe drive removal. Tool-free trays can also save time even when the system is powered down.

Who Should Buy Which Nas Enclosures for PC?

Choose an external four-bay enclosure if you already have a capable PC and want straightforward multi-drive expansion without rebuilding the system. These are especially useful for backups, media storage, and removable drive pools.

Choose a UGREEN NAS if you want a more appliance-like experience with less configuration than a completely custom build. The two-bay model suits personal backups and beginners, while the four-bay option offers more room for creators, households, and small teams.

Choose a compact DIY case if you want control over the motherboard, operating system, processor, networking, and storage software. Verify every clearance and power requirement before ordering.

Choose a full-tower enclosure if maximum drive capacity and upgrade flexibility matter more than desk space. Larger cases are the strongest fit for demanding media libraries, server workloads, and long-term expansion.