Looking Beyond the MAIWO 4-Bay 40Gbps NVMe Cloner? 6 Alternatives Worth a Look
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The MAIWO 4-Bay 40Gbps NVMe Cloner Enclosure handles four M.2 drives simultaneously. It supports offline cloning and RAID arrays for macOS and Windows. Its 40Gbps interface and active cooling system manage heat well during intensive tasks. You might look for MAIWO 4-Bay NVMe Cloner alternatives if you need a single-drive solution instead. This enclosure is large and requires a separate power adapter. You may prefer a more compact, bus-powered design that fits in a laptop bag.
The alternatives listed here share key specifications with the original. They all support 40Gbps transfer speeds and NVMe interfaces. Most include active cooling fans to maintain performance. Some offer tool-free installation for easier drive swaps. Others focus on specific form factors like 2280 or broader OS compatibility. These options provide similar high-speed connectivity but in different sizes. You can choose based on whether you prioritize portability or multi-drive capacity. Each alternative meets the core requirement of fast, cooled NVMe access.
How each alternative compares
ACASIS 40Gbps Fan-Cooled M.2 NVMe Enclosure
The FREEGENE ACASIS TBU405 Pro is a single-bay enclosure, not a multi-drive cloner like the MAIWO K2024P. It drops the 4-bay capacity and offline cloning features entirely. In exchange, you get a compact, portable design that fits in a pocket. The dimensions are significantly smaller, measuring 2.24 by 4.65 inches. It still offers 40Gbps speeds and active cooling via a built-in fan. This choice suits users who need high-speed Thunderbolt 4 transfers for a single drive rather than bulk cloning. You sacrifice the ability to manage multiple drives or set up RAID arrays. It is best for professionals who prioritize portability and connection stability over multi-drive functionality.
UGREEN 40Gbps Aluminum M.2 NVMe Fan Enclosure
The UGREEN 15976-40GB is another single-drive enclosure, contrasting sharply with the MAIWO 4-bay cloner. It does not support offline cloning or RAID configurations. The focus here is on thermal management and build quality. It features an aluminum body and an active cooling fan to handle heat during sustained transfers. The size is compact at 1.89 by 4.72 inches, making it highly portable. You gain reliable 40Gbps throughput and broad operating system compatibility. However, you lose the ability to clone multiple drives simultaneously. This option is ideal for creators who move large files and need robust cooling for a single NVMe drive. It trades multi-drive utility for a sleek, durable, and efficient single-bay solution.
ANYOYO 40Gbps Fan-Cooled M.2 NVMe Enclosure
The ANYOYO TBU401 Pro is a single-bay enclosure, so it cannot clone multiple drives or create RAID arrays like the MAIWO K2024P. It offers 40Gbps speeds and active cooling through a built-in fan. The design is tool-free for easy drive installation. Its dimensions are 2.24 by 4.65 inches, which is much smaller than the MAIWO unit. You get support for large capacity drives and broad compatibility. The trade-off is the loss of multi-drive management and offline cloning capabilities. This choice fits users who need high-speed transfers for a single drive and value thermal management. It is a practical alternative if you do not need to duplicate multiple SSDs at once but still want fast, cooled performance.
ACASIS 40Gbps M.2 NVMe Enclosure with Fan
The ACASIS TBU401 Pro is a single-bay enclosure, differing from the MAIWO 4-bay cloner by handling only one drive. It lacks offline cloning and RAID support. Instead, it provides 40Gbps speeds and active cooling with a built-in fan. The form factor is compact, measuring 2.24 by 4.65 inches. It supports various M.2 sizes including 2230, 2242, 2260, and 2280. You gain a portable solution for high-throughput data transfer. The downside is the inability to manage multiple drives or clone them offline. This option is suitable for users who prioritize active cooling and portability. It is a good fit for professionals moving large files on compatible hosts who do not require multi-drive cloning features.
MAIWO 40Gbps NVMe SSD Enclosure with Fan
The MAIWO single-bay enclosure is a single-drive solution, not a 4-bay cloner. It does not support offline cloning or RAID arrays. It focuses on providing 40Gbps speeds for a single NVMe drive. The design includes a built-in cooling fan and tool-free installation for easy access. The dimensions are 1.97 by 4.72 inches, making it compact. It is optimized for 2280 drives. You gain a streamlined experience for high-speed transfers without the complexity of multi-drive management. The trade-off is the loss of cloning and RAID capabilities. This choice is best for users who need 40Gbps connectivity for a single drive and value active cooling. It suits professionals who prioritize speed and thermal management for individual drives.
UGREEN 40Gbps M.2 NVMe SSD Enclosure
The UGREEN CM850 is a single-bay enclosure, unlike the MAIWO 4-bay cloner. It does not support offline cloning or RAID configurations. It offers 40Gbps speeds and active cooling with a built-in fan. The design is durable and robust, suitable for frequent use. It supports multiple M.2 sizes including 2230, 2242, 2260, and 2280. The dimensions are compact, measuring 2.26 by 4.83 inches. You gain reliable performance and thermal management for a single drive. The downside is the inability to clone multiple drives or set up RAID arrays. This option is ideal for Thunderbolt users who need active cooling and physical durability. It is a practical choice for professionals who prioritize connection stability and thermal efficiency for individual NVMe drives.
Quick picks
Our 7 picks
MAIWO 4-Bay 40Gbps NVMe Cloner Enclosure
Best for: cloning multiple NVMe SSDs and RAID setups
- Max Transfer Speed
- 40Gbps
- Host Interface
- USB4, Thunderbolt 4/3
- Supported Form Factors
- 2230, 2242, 2260, 2280
- Drive Bay Count
- 4 bays
- Cooling System
- Built-in cooling fan, aluminum alloy
- Maximum Capacity
- 32TB
View on Amazon: MAIWO 4-Bay 40Gbps NVMe Cloner Enclosure Affiliate link
The MAIWO K2024P is a 4-bay NVMe enclosure designed for cloning and high-speed data transfer. It supports 1-to-3 offline cloning and simultaneous read/write operations for up to four M.2 PCIe NVMe SSDs. The unit features a 40Gbps USB4 interface with backward compatibility for Thunderbolt 3 and 4. It includes a built-in cooling fan and aluminum alloy construction to manage heat. The tool-free magnetic design simplifies installation for various drive sizes.
Pros
- Supports 1-to-3 offline cloning of M.2 NVMe SSDs
- 40Gbps USB4 interface with Thunderbolt 3/4 backward compatibility
- Tool-free magnetic aluminum cover for easy drive installation
- Built-in cooling fan and aluminum alloy heat dissipation
- Supports RAID 0, 1, 5 and JBOD on Windows
Cons
- Requires a separate 12V 5A power adapter
- Supports only NVMe drives, not SATA M.2
- RAID 5 support is limited to Windows systems
Good fit if
- You need to duplicate multiple NVMe SSDs quickly
- You require RAID 5 support for data redundancy
- You want a tool-free installation process
Skip if
- You only have SATA M.2 drives
- You need a compact single-bay solution
- You want a bus-powered device without an adapter
Verdict: The MAIWO K2024P 4-Bay NVMe Cloner is a practical choice for users who need to clone multiple NVMe SSDs or set up RAID arrays. It fits those who prioritize high-speed USB4 transfers and tool-free maintenance over compact, bus-powered designs.
ACASIS 40Gbps Fan-Cooled M.2 NVMe Enclosure
Best for: Thunderbolt 4 users needing active cooling
- Max Transfer Speed
- 40Gbps
- Host Interface
- USB4, Thunderbolt 4/3
- Drive Interface
- PCIe NVMe
- Supported Form Factors
- 2230, 2242, 2260, 2280
- Cooling System
- Built-in cooling fan, aluminum
- Dimensions
- 4.65 × 2.24 × 0.7 inches
View on Amazon: ACASIS 40Gbps Fan-Cooled M.2 NVMe Enclosure Affiliate link
The ACASIS TBU405 Pro is a 40Gbps NVMe enclosure built with an aluminum shell and a built-in cooling fan. It uses the Intel JHL7440 chip to support USB4 and Thunderbolt 4 connections. You get read and write speeds up to 2805/2734 MB/s. It fits M.2 drives in 2230, 2242, 2260, and 2280 sizes. This unit suits users needing stable performance for heavy workloads on Mac or PC.
Pros
- Intel JHL7440 chip for dual-chip stability
- Built-in cooling fan with heat dissipation holes
- Supports USB4, Thunderbolt 4, and Thunderbolt 3
- Read speeds up to 2805 MB/s
- Compatible with M1/M2/M3 Mac and PC
Cons
- Fan requires manual activation via a switch
- Only supports PCIe NVMe drives, not SATA
- Heavier build due to aluminum and fan
Good fit if
- You need active cooling for sustained transfers
- You use Thunderbolt 4 or USB4 ports
- You run high-capacity drives on Mac
Skip if
- You want automatic fan control
- You use SATA M.2 SSDs
- You prefer a silent passive design
Verdict: The ACASIS TBU405 Pro 40Gbps NVMe Enclosure delivers high speeds and reliable thermal management for professionals. It fits users who prioritize connection stability and active cooling over passive silence.
UGREEN 40Gbps Aluminum M.2 NVMe Fan Enclosure
Best for: High-speed data transfers with active cooling
- Max Transfer Speed
- 40Gbps
- Host Interface
- USB4, Thunderbolt 3/4
- Drive Interface
- NVMe (M/B+M Key)
- Supported Form Factors
- 2230, 2242, 2260, 2280
- Cooling System
- Aluminum alloy casing, cooling fan
- Maximum Capacity
- 4TB
View on Amazon: UGREEN 40Gbps Aluminum M.2 NVMe Fan Enclosure Affiliate link
This UGREEN enclosure connects NVMe SSDs via USB4 or Thunderbolt 3/4 for 40Gbps transfers. It uses an aluminum shell, thermal pad, and PWM fan for cooling. It supports M/B+M key drives up to 4TB in 2230 to 2280 sizes. You get S.M.A.R.T. monitoring and TRIM support. It fits Windows, Mac, Linux, and Android. It is a solid option for high-speed data moves.
Pros
- USB4 and Thunderbolt 3/4 support
- 40Gbps max transfer speed
- PWM cooling fan with auto-speed control
- Aluminum alloy casing with thermal pad
- Supports M/B+M key NVMe drives
Cons
- Does not support M.2 PCIe 5.0 SSDs
- Does not support SSDs with built-in heatsinks
- Thunderbolt 4 speeds require compatible cables and ports
Good fit if
- You need fast 40Gbps transfers for large files
- You use Mac or Windows for video editing
- You want active cooling for sustained workloads
Skip if
- You use PCIe 5.0 NVMe drives
- Your SSD already has a large heatsink
- You need a drive larger than 4TB
Verdict: UGREEN 40Gbps NVMe Enclosure with Fan offers reliable cooling and high speeds for users who need to move large amounts of data quickly. It is a practical choice for creators and professionals who value thermal management and broad OS compatibility.
ANYOYO 40Gbps Fan-Cooled M.2 NVMe Enclosure
Best for: Thunderbolt 4 users needing large capacity support
- Max Transfer Speed
- 40Gbps
- Host Interface
- USB4, Thunderbolt 4/3
- Drive Interface
- PCIe NVMe (M Key, B&M Key)
- Supported Form Factors
- M.2 2230, 2242, 2260, 2280
- Cooling System
- Aluminum alloy shell, PWM turbo fan
- Maximum Capacity
- 8TB
View on Amazon: ANYOYO 40Gbps Fan-Cooled M.2 NVMe Enclosure Affiliate link
The ANYOYO enclosure uses USB4 and Thunderbolt 4 to deliver 40Gbps transfer speeds. It supports up to 8TB drives in M.2 2230 to 2280 sizes. A PWM fan and aluminum shell manage heat. You get tool-free installation and broad OS support. This setup suits users needing reliable high-speed data movement without complex setup.
Pros
- 40Gbps bandwidth via USB4 and Thunderbolt 4
- Supports M.2 drives up to 8TB
- PWM fan with aluminum alloy shell for cooling
- Tool-free installation design
- Compatible with Windows, macOS, and Linux
Cons
- Heavier at 5.86 ounces compared to lighter alternatives
- Larger dimensions than compact single-bay enclosures
- Does not support SATA or mSATA drives
Good fit if
- You need Thunderbolt 4 or USB4 connectivity
- You use large capacity NVMe drives
- You prefer tool-free installation
Skip if
- You require SATA or mSATA support
- You need a compact, lightweight design
- You do not have Thunderbolt 4 or USB4 ports
Verdict: The ANYOYO 40Gbps NVMe Enclosure is a robust option for users who need high-speed transfers and large capacity support. It fits those who prioritize thermal management and broad compatibility over compact size.
ACASIS 40Gbps M.2 NVMe Enclosure with Fan
Best for: Users needing active cooling for high-speed transfers
- Max Transfer Speed
- 40Gbps
- Host Interface
- Thunderbolt 5/4/3, USB4, USB 3.2
- Drive Interface
- NVMe
- Supported Form Factors
- 2230, 2242, 2260, 2280
- Cooling System
- Silent cooling fan, aluminum alloy
- Dimensions
- 4.65 × 2.24 × 0.71 inches
View on Amazon: ACASIS 40Gbps M.2 NVMe Enclosure with Fan Affiliate link
The ACASIS TBU401 Pro is a compact M.2 NVMe enclosure supporting USB4 and Thunderbolt 5/4/3. It features an active cooling fan, aluminum alloy shell, and thermal pad for heat management. You get tested speeds up to 2805 MB/s read. It fits 2230 to 2280 drives. This unit suits users needing reliable high-speed transfers for video editing or backups on Mac or PC.
Pros
- Supports USB4 and Thunderbolt 5/4/3 interfaces
- Active cooling fan with thermal pad
- Tested read speeds up to 2805 MB/s
- Compatible with M.2 2230, 2242, 2260, 2280
Cons
- Active cooling fan adds moving parts
- Requires manual switch activation for fan
- Black color option only
Good fit if
- You need active cooling for sustained writes
- You use Thunderbolt or USB4 ports
- You work with M.2 drives up to 2280
Skip if
- You prefer passive cooling designs
- You need a drive shorter than 2230
- You want automatic fan control
Verdict: ACASIS TBU401 Pro 40Gbps NVMe Enclosure delivers high throughput and active cooling for users who prioritize thermal management in a portable form factor. It is ideal for professionals moving large files on compatible hosts.
MAIWO 40Gbps NVMe SSD Enclosure with Fan
Best for: 2280 NVMe drives needing 40Gbps speeds
- Max Transfer Speed
- 40Gbps
- Host Interface
- USB4 Type-C, Thunderbolt 4/3
- Drive Interface
- M.2 PCIe NVMe M Key
- Supported Form Factors
- 2280mm
- Cooling System
- Aluminium alloy shell, built-in fan
- Maximum Capacity
- 8TB
View on Amazon: MAIWO 40Gbps NVMe SSD Enclosure with Fan Affiliate link
This MAIWO enclosure supports 2280 M.2 NVMe drives up to 8TB. It uses an ASM2464PD chipset for 40Gbps connectivity via USB4 or Thunderbolt 4/3. You get read and write speeds over 3200MB/s. The all-aluminum shell includes a built-in turbo fan and thermal pads for cooling. It is tool-free and works with Windows, macOS, Linux, and Android devices.
Pros
- 40Gbps transfer speed with 3200+MB/s read/write
- Built-in turbo fan and aluminum alloy shell for heat dissipation
- Tool-free installation for easy drive insertion
- Supports up to 8TB NVMe capacity
- Compatible with USB4, Thunderbolt 4/3, and USB 3.2
Cons
- Only supports 2280 form factor drives
- Thunderbolt 3 connection limits speed to 20Gbps
- Heavier build at 9.59 ounces compared to passive options
Good fit if
- You need 40Gbps speeds for large file transfers
- You want active cooling for sustained write performance
- You use Thunderbolt 4 or USB4 hosts
Skip if
- You use 2230 or 2242 M.2 SSDs
- You require Thunderbolt 3 speeds above 20Gbps
- You prefer a passive aluminum enclosure without moving parts
Verdict: MAIWO 40Gbps NVMe Enclosure with Fan delivers high throughput for users needing 40Gbps connectivity. It suits professionals who prioritize active cooling and tool-free access for 2280 drives on compatible hosts.
UGREEN 40Gbps M.2 NVMe SSD Enclosure
Best for: Thunderbolt users needing active cooling
- Max Transfer Speed
- 40Gbps
- Host Interface
- Thunderbolt 4/3, USB4
- Drive Interface
- M/B&M Key NVMe
- Supported Form Factors
- 2230/2242/2260/2280
- Cooling System
- PWM turbo cooling fan, aluminium case
- Maximum Capacity
- 8TB
View on Amazon: UGREEN 40Gbps M.2 NVMe SSD Enclosure Affiliate link
The UGREEN CM850 is a 40Gbps M.2 NVMe enclosure built around the ASM2464PD controller. It supports USB4, Thunderbolt 3, and Thunderbolt 4 for high-speed data transfer. The aluminum case includes a PWM turbo fan to manage heat during intensive tasks. It fits 2230, 2242, 2260, and 2280 drives up to 8TB. The silicone cover helps protect against drops. This drive suits users needing reliable performance on Windows, Mac, or Linux.
Pros
- 40Gbps transfer speed via USB4 or Thunderbolt 3/4
- PWM turbo fan for active cooling
- Supports M/B+M key NVMe drives up to 8TB
- Silicone anti-drop cover for physical protection
Cons
- Does not support SATA NGFF or mSATA drives
- No external power supply required, limiting high-power use
- Fan noise may be noticeable in quiet environments
Good fit if
- You need Thunderbolt 3 or 4 connectivity for your host device
- You work with large files that benefit from active cooling
- You use M.2 NVMe SSDs in 2230 through 2280 form factors
Skip if
- You require SATA or mSATA drive compatibility
- You prefer a completely passive cooling solution
- You need a drive larger than 8TB capacity
Verdict: UGREEN CM850 40Gbps NVMe Enclosure delivers robust speeds and thermal management for users who prioritize Thunderbolt connectivity and physical durability for their NVMe drives.
Specifications side by side
| Spec | MAIWO 4-Bay 40Gbps NVMe Cloner Enclosure | ACASIS 40Gbps Fan-Cooled M.2 NVMe Enclosure | UGREEN 40Gbps Aluminum M.2 NVMe Fan Enclosure | ANYOYO 40Gbps Fan-Cooled M.2 NVMe Enclosure | ACASIS 40Gbps M.2 NVMe Enclosure with Fan | MAIWO 40Gbps NVMe SSD Enclosure with Fan | UGREEN 40Gbps M.2 NVMe SSD Enclosure |
|---|---|---|---|---|---|---|---|
| Max Transfer Speed | 40Gbps | 40Gbps | 40Gbps | 40Gbps | 40Gbps | 40Gbps | 40Gbps |
| Host Interface | USB4, Thunderbolt 4/3 | USB4, Thunderbolt 4/3 | USB4, Thunderbolt 3/4 | USB4, Thunderbolt 4/3 | Thunderbolt 5/4/3, USB4, USB 3.2 | USB4 Type-C, Thunderbolt 4/3 | Thunderbolt 4/3, USB4 |
| Drive Interface | not stated | PCIe NVMe | NVMe (M/B+M Key) | PCIe NVMe (M Key, B&M Key) | NVMe | M.2 PCIe NVMe M Key | M/B&M Key NVMe |
| Supported Form Factors | 2230, 2242, 2260, 2280 | 2230, 2242, 2260, 2280 | 2230, 2242, 2260, 2280 | M.2 2230, 2242, 2260, 2280 | 2230, 2242, 2260, 2280 | 2280mm | 2230/2242/2260/2280 |
| Drive Bay Count | 4 bays | not stated | not stated | not stated | not stated | not stated | not stated |
| Cooling System | Built-in cooling fan, aluminum alloy | Built-in cooling fan, aluminum | Aluminum alloy casing, cooling fan | Aluminum alloy shell, PWM turbo fan | Silent cooling fan, aluminum alloy | Aluminium alloy shell, built-in fan | PWM turbo cooling fan, aluminium case |
| Maximum Capacity | 32TB | not stated | 4TB | 8TB | not stated | 8TB | 8TB |
| Installation Style | Tool-free | not stated | not stated | Tool-Free | not stated | Tool Free | not stated |
| Interface | NVMe | NVMe | NVMe | NVMe | NVMe | NVMe | NVMe |
| Form Factor | M.2 | M.2 2280 | M.2 2280 | M.2 | M.2 2280 | M.2 | M.2 2280 |
| Cooling | Cooling Fan | Cooling Fan | Cooling Fan | Cooling Fan | Cooling Fan | Cooling Fan | Cooling Fan |
| Transfer Speed | 40Gbps | 40Gbps | 40Gbps | 40Gbps | 40Gbps | 40Gbps | 40Gbps |
| Features | Offline Clone | not stated | not stated | Tool-Free | not stated | Tool-Free | not stated |
| Material | not stated | not stated | Aluminum | not stated | not stated | not stated | not stated |
| Dimensions | 5.71 × 5.71 × 1.26 inches | 4.65 × 2.24 × 0.7 inches | 4.72 × 1.89 × 0.75 inches | 4.65 × 2.24 × 0.71 inches | 4.65 × 2.24 × 0.71 inches | 4.72 × 1.97 × 0.59 inches | 48.3 × 22.6 × 7.24 inches |
| Weight | 7.05 ounces | not stated | 7.05 ounces | 5.86 ounces | 4.83 ounces | 9.59 ounces | 4.8 ounces |
| Model | K2024P | TBU405 PRO | 15976-40GB | TBU401 Pro | TBU401 Pro | 40Gbps NVMe Enclosure Built-in Fan | CM850 |
| Size | not stated | TBU405 Pro | not stated | TBU401Pro | 2230/2242/2260/2280 | not stated | 2230/2242/2260/2280 |
| Color | not stated | Black | Grey | Space Gray | black | not stated | silver |
If you need standard external storage rather than a cloner, you can compare qnap 4 bay das alternatives.
Frequently asked questions
Can I use a single-bay 40Gbps enclosure to clone multiple drives at once?
No, single-bay enclosures cannot clone multiple drives simultaneously. The MAIWO K2024P is designed for four drives, but alternatives like the FREEGENE TBU405 Pro or UGREEN 15976-40GB support only one M.2 NVMe SSD. You must clone drives individually with these single-bay options. They lack the offline cloning hardware found in multi-bay cloners.
Do these 40Gbps enclosures require a specific operating system to work?
Most support broad OS compatibility, including macOS and Windows. The UGREEN 15976-40GB and ACASIS TBU405 Pro are noted for reliable cross-platform use. However, you need a host computer with Thunderbolt 4 or USB4 ports to achieve the full 40Gbps speed. Standard USB 3.2 ports will likely limit performance significantly.
Is active cooling necessary for 40Gbps NVMe transfers?
Active cooling helps manage heat during sustained high-speed transfers. All listed alternatives, including the ANYOYO TBU401 Pro and ACASIS TBU401 Pro, include built-in cooling fans. This prevents thermal throttling, which can slow down data movement. Passive cooling alone may not suffice for prolonged 40Gbps workloads on modern NVMe drives.
What M.2 drive sizes do these enclosures support?
Most support standard 2280 length, but some handle smaller form factors too. The ACASIS TBU401 Pro and UGREEN CM850 explicitly support 2230, 2242, 2260, and 2280 sizes. The MAIWO 40Gbps Enclosure is specified for 2280 drives. Check the product specs to ensure your specific M.2 SSD length fits the enclosure.
How portable are these 40Gbps NVMe enclosures?
Single-bay models are generally compact and lightweight. The ACASIS TBU401 Pro weighs just 4.83 ounces, and the ANYOYO TBU401 Pro is 5.86 ounces. The UGREEN 15976-40GB is slightly heavier at 7.05 ounces. These dimensions make them easy to carry in a bag, unlike the larger, desktop-oriented MAIWO 4-bay cloner.
Can I install the NVMe drive without tools?
Several models feature tool-free designs for easier maintenance. The ANYOYO TBU401 Pro and the MAIWO 40Gbps Enclosure are noted for tool-free access. This allows you to swap or upgrade your NVMe SSD quickly without screwdrivers. Other models may require screws or clips, so verify the installation method in the product specifications.
What is the maximum transfer speed for these enclosures?
All listed alternatives support up to 40Gbps transfer speeds. This requires a compatible Thunderbolt 4 or USB4 host port. The MAIWO K2024P, FREEGENE TBU405 Pro, and UGREEN 15976-40GB all share this 40Gbps interface rating. Actual speeds depend on your host computer, cable quality, and the NVMe drive's internal capabilities.






