10 Best RAID Enclosures Under $100 in 2026: Reliable Two-Bay Storage Picks

If you want extra storage protection without overspending, RAID enclosures under 100 can be a smart way to build a compact two-drive setup.

Whether you need simple mirroring, speed gains, or a flexible diskless enclosure, the best budget options can cover home backup, media, and light workstation use.

Best 10 Raid Enclosures Under 100 Picks for 2026

Editor’s Pick – CENMATE 4-Bay RAID Enclosure

If you want raid enclosures under 100 that give you more bays to work with, this CENMATE unit stands out for combining two 2-bay RAID sections into one enclosure. It supports 2.5-inch and 3.5-inch SATA HDDs and SSDs, offers four modes, and uses an aluminum body with cooling fans for better thermal management.

Best For: Users who want a compact 4-drive RAID enclosure with flexible modes and basic plug-and-play compatibility.

Pros:

• Supports RAID 0, RAID 1, Normal, and JBOD
• Fits 2.5-inch and 3.5-inch SATA HDDs/SSDs with up to 80TB total stated capacity
• Aluminum-alloy build with built-in fans for heat control
• USB 3.0 with A/C cables included and up to 5Gbps rated transfer

Cons:

• Fan noise is listed around 40-50 dB
• RAID setup notes warn that data loss can occur during array changes
• Mac OS has no RAID software according to the notes

This is a strong pick if you need more drive slots than a standard dual-bay enclosure and want straightforward RAID options in one external unit. The tradeoff is more size, more noise, and the need to follow the reset/RAID setup steps carefully.

Best High-Speed Option – TerraMaster D2-320 2-Bay RAID

Among raid enclosures under 100, the TerraMaster D2-320 is the speed-focused choice. It uses USB 3.2 Gen2 and supports RAID 0, RAID 1, JBOD, and SINGLE, making it a practical fit for users who want fast external storage with hardware RAID and simple tray-based drive changes.

Best For: Users who want faster USB 3.2 Gen2 performance and a compact 2-bay RAID enclosure for HDDs or SSDs.

Pros:

• USB 3.2 Gen2 interface rated up to 10Gbps
• Supports RAID 0, RAID 1, JBOD, and SINGLE
• Tool-free trays with a push-lock drive design
• Intelligent temperature-controlled low-noise fan

Cons:

• Diskless, so drives must be purchased separately
• Performance claims depend on the drives installed
• As a DAS, it is not a NAS

If speed matters more than extra bays, this enclosure is easy to recommend. It balances fast transfer potential, RAID flexibility, and user-friendly installation in a well-cooled two-drive design.

Best for 3.5-Inch Drives – MAIWO Dual Bay RAID Enclosure

If your search for raid enclosures under 100 is focused on 3.5-inch hard drives, this MAIWO model is built around that use case. It supports two 3.5-inch SATA HDDs, offers four RAID modes, and adds a cooling fan plus an aluminum-alloy body for better heat handling during longer transfers.

Best For: Users who need a 3.5-inch dual-bay enclosure for storage expansion, mirroring, or striped volumes.

Pros:

• Supports 3.5-inch SATA HDDs with up to 44TB total stated capacity
• Four modes: RAID 0, RAID 1, JBOD (Large), and Normal
• Built-in cooling fan and aluminum-alloy construction
• 48W power supply included for more stable operation

Cons:

• USB 3.0 tops out at 5Gbps on paper
• Mechanical drive speeds may be lower than the interface limit
• Designed for 3.5-inch SATA HDDs rather than a broad mix of drive types

This is a sensible pick if you are building around large desktop hard drives and want straightforward RAID choices. The included power supply and fan make it feel more suited to sustained storage use than ultra-portable setups.

Best for 2.5-Inch SSDs – Vantec Nexstar GX Dual Bay

For shoppers comparing raid enclosures under 100 for 2.5-inch drives, the Vantec Nexstar GX is a compact, SSD-friendly option. It supports dual 2.5-inch SATA SSDs or HDDs, includes Individual, RAID 0, and RAID 1 modes, and adds UASP support plus an aluminum housing with front vents for cooling.

Best For: Users who want a small dual-bay enclosure for 2.5-inch SSDs with RAID 1 backup or RAID 0 speed.

Pros:

• Supports Individual, RAID 0, and RAID 1 modes
• Works with dual 2.5-inch SATA SSDs/HDDs
• Auto RAID 1 rebuild support
• Aluminum housing with front vents for heat dissipation

Cons:

• Limited to 2.5-inch drives
• Capacity support is listed as over 2TB per drive in the notes
• Uses a Micro-B connector and external power adapter

This enclosure makes sense if you want a smaller footprint and are primarily using laptop-sized drives or SSDs. Its RAID 1 rebuild support is especially useful for users who care more about redundancy than maximum capacity.

Fast NVMe RAID Pick – 20Gbps Dual-Bay M.2 Enclosure

For shoppers looking at raid enclosures under 100, this dual-bay M.2 NVMe option stands out for its RAID 0/1, JBOD, and offline clone support. It’s built for users who want fast transfers, simple SSD swapping, and a compact enclosure that can handle portable work or backup tasks without a lot of setup hassle.

Best For: NVMe users who want fast RAID options, quick cloning, and a tool-free dual-drive setup.

Pros:

• Supports RAID 0, RAID 1, JBOD, and clone mode for flexible use.
• 20Gbps transfer speed is well suited to large files and backups.
• Tool-free design makes SSD installation and swapping easier.
• Aluminum body helps with heat dissipation while staying portable.

Cons:

• Only works with PCIe NVMe M-Key M.2 SSDs, not M.2 SATA B+M key drives.
• RAID 0 and RAID 1 switching formats the drives, so backups are required first.
• Best features depend on using two matching protocol SSDs.

This is a practical pick if you want a compact dual-bay enclosure with more than just basic storage expansion. The cloning feature and multiple RAID modes make it especially useful for users who frequently duplicate drives or need a faster portable workflow.

Cooler Desktop RAID Option – Dual-Bay 3.5-Inch SATA RAID Enclosure

If you need raid enclosures under 100 for larger SATA drives, this MAIWO dual-bay model is aimed at 3.5-inch HDD and SSD setups. It offers RAID 0, RAID 1, JBOD, and normal mode, plus a built-in fan and separate power supply to keep desktop storage running steadily.

Best For: Users with 3.5-inch SATA drives who want a stable dual-bay enclosure with cooling.

Pros:

• Supports RAID 0, RAID 1, JBOD, and normal mode.
• Independent 12V/4A power supply adds stable operation.
• Smart temperature-controlled fan helps keep drives cool.
• Designed for 3.5-inch SATA HDD/SSD storage needs.

Cons:

• Uses 5Gbps connectivity, so it is slower than some NVMe enclosures.
• 2.5-inch drives need a mounting bracket that is not included.
• Bulkier 3.5-inch format is less portable than compact M.2 options.

This enclosure makes sense when drive stability and cooling matter more than top-end speed. It’s a straightforward choice for desktop users who want flexible RAID modes and a power setup built around larger SATA drives.

Portable Clone-Friendly Choice – 20Gbps Dual-Bay RAID SSD Box

Among raid enclosures under 100, this dual-bay M.2 NVMe enclosure is built for users who want fast transfers and simple copy workflows. It supports RAID 0, RAID 1, JBOD, and offline cloning, and it adds tool-free access plus a compact metal-and-ABS build for travel or everyday use.

Best For: NVMe users who want a portable dual-bay enclosure with RAID and offline cloning.

Pros:

• Four modes: RAID 0, RAID 1, JBOD, and copy mode.
• 20Gbps transfer rate supports large file moves and backups.
• Tool-free design makes drive changes quick and convenient.
• Supports up to 8TB per slot for a 16TB total capacity.

Cons:

• Only supports PCIe NVMe M-Key M.2 drives, not M.2 SATA B+M key SSDs.
• Switching to RAID 0 or RAID 1 formats the drives.
• Copy mode requires the source drive to be no larger than the target drive.

This is a strong fit if you want a compact dual-bay unit with cloning built in and no tools required for drive access. It is especially useful for users who want RAID flexibility without sacrificing portability.

Value 2-Bay RAID Pick – CENMATE Aluminum 2-Bay RAID Enclosure

If you’re shopping for raid enclosures under 100, the CENMATE aluminum 2-bay enclosure gives you the basics most buyers want: RAID 0, RAID 1, JBOD, and Normal mode support, plus a built-in fan and USB A/C 3.0 connectivity. It supports 2.5-inch and 3.5-inch SATA HDDs/SSDs, with up to 20TB per drive, so it can handle either a backup-focused setup or a faster storage pool.

Best For: Buyers who want a low-cost dual-bay RAID enclosure with simple mode options and broad SATA drive support.

Pros:

• Supports 4 RAID modes: RAID 0, RAID 1, JBOD, and Normal
• Aluminum-alloy build with a built-in 2-inch fan for cooling
• USB A/C 3.0 cable included for wide compatibility
• Works with 2.5-inch and 3.5-inch SATA HDDs/SSDs

Cons:

• Fan noise is listed at around 40-50 dB
• RAID setup requires pressing and holding Reset for 5 seconds after array reset
• Mac OS has no RAID software noted

For a budget-minded RAID enclosure under 100, this model covers the essentials without adding complexity. The tradeoff is that you should expect some setup care and modest fan noise, but the feature set is solid for everyday dual-drive storage.

Fast USB-C RAID Option – MAIWO Dual Bay RAID Enclosure

Among raid enclosures under 100, the MAIWO dual-bay enclosure stands out for its USB 3.1 Gen2 Type-C connection and 10Gbps-rated interface. It is built for 3.5-inch SATA HDDs, supports RAID 0, RAID 1, JBOD, and Normal modes, and adds aluminum construction plus an adjustable fan for heat control.

Best For: Users who want a dual-bay RAID enclosure with faster USB-C connectivity and strong cooling.

Pros:

• USB 3.1 Gen2 Type-C interface rated up to 10Gbps
• 4 RAID modes: RAID 0, RAID 1, JBOD, and Normal
• Aluminum alloy body with an adjustable cooling fan
• Strong 48W power supply for both drives and controller

Cons:

• Designed for 3.5-inch SATA HDDs; 2.5-inch drives need a bracket
• Mechanical drive speed still limits real-world transfer rates
• Not the simplest pick if you only need basic plug-and-play storage

This is a practical choice if connectivity speed matters and you want a more modern interface than plain USB 3.0. It is especially appealing for buyers who value cooling, stable power delivery, and RAID flexibility in a compact dual-bay enclosure.

Balanced Budget Dual Bay – MAIWO 2-Bay RAID Enclosure

If you want raid enclosures under 100 with broader drive compatibility, this MAIWO dual-bay model supports both 2.5-inch and 3.5-inch SATA HDDs and SSDs. It offers RAID 0, RAID 1, LARGE/JBOD, and NORMAL/PM modes, runs over USB 3.0 at 5Gbps, and adds a full aluminum body with a two-speed fan for basic thermal management.

Best For: Buyers who need an affordable dual-bay enclosure that works with both 2.5-inch and 3.5-inch SATA drives.

Pros:

• Supports 2.5-inch and 3.5-inch SATA HDDs and SSDs
• Multiple RAID modes including RAID 0, RAID 1, JBOD/LARGE, and NORMAL/PM
• Full aluminum body with built-in two-speed cooling fan
• Includes USB 3.0 cable, power adapter, and LED progress indicator

Cons:

• 2.5-inch drives require an additional 2.5 to 3.5 mounting bracket
• USB 3.0 speed is limited to 5Gbps
• Setup note advises backing up data before switching RAID modes

For buyers comparing budget dual-bay RAID options, this one offers a good mix of drive compatibility and usable RAID modes. It may not be the fastest enclosure here, but the broader support for both 2.5-inch and 3.5-inch drives makes it easier to fit into an existing setup.

How We Picked These Raid Enclosures Under 100

We focused on enclosures that offer the most practical value for the money: supported RAID modes, drive compatibility, cooling design, interface speed, and ease of installation. For Raid Enclosures Under 100, the best choices usually balance real-world reliability with simple setup rather than chasing the highest theoretical performance.

Quick Comparison

Two-bay SATA enclosures are the most common choice for everyday backup and mirrored storage. NVMe/M.2 options are better if speed matters more than capacity. Diskless models give you more flexibility, while preconfigured or tool-free designs are easier for beginners. If you plan to use 3.5-inch drives, make sure the enclosure includes enough power and active cooling.

Key Buying Factors for Raid Enclosures Under 100

RAID Modes

Look for RAID 1 if data protection matters most, RAID 0 if you want faster performance, and JBOD or normal mode if you prefer independent drives. Some budget models also include clone mode, which can be useful for drive migration or backups.

Drive Size and Compatibility

Check whether the enclosure supports 2.5-inch SSDs, 3.5-inch HDDs, or both. Many Raid Enclosures Under 100 are designed for SATA drives, while NVMe models require M.2 PCIe drives and different performance expectations.

Cooling and Build Quality

Active cooling is important for 3.5-inch drives and any dual-bay unit used for long transfers. Aluminum housings generally help with heat dissipation, and tool-free trays make upgrades much easier.

Connection Speed

USB 3.0 and USB-C are common at this price, but real transfer speed depends on the drive type and RAID level. If you work with large files, a faster USB-C or 10Gbps-plus enclosure may be worth prioritizing.

Who Should Buy Which Raid Enclosures Under 100?

If you want straightforward backup with redundancy, choose a SATA dual-bay enclosure with RAID 1 and good cooling. If you need a portable setup for SSDs, a 2.5-inch enclosure is usually the easiest fit. If speed is the main goal, consider an NVMe RAID enclosure, but remember it may favor performance over capacity. For first-time buyers, the best Raid Enclosures Under 100 are usually the ones with clear mode switches, tool-free access, and strong thermal design.