MAIWO 40Gbps NVMe SSD Alternatives: 6 Similar Picks Compared
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The MAIWO 40Gbps NVMe SSD Enclosure with Fan delivers high-speed data transfer for 2280 M.2 NVMe drives. If you are looking for maiwo 40gbps m 2 nvme SSD alternatives, this guide compares 6 similar options based on shared specifications. The original model stands out for its active cooling fan and aluminum alloy shell, which help manage heat during intensive workloads. It supports USB4 and Thunderbolt 4 connections, offering up to 40Gbps bandwidth. You can install drives up to 8TB in capacity, and the tool-free design makes installation straightforward.
You might consider other options if you need different form factor support, such as 2230 or 2242 sizes. Some users may prefer a dual-bay dock for managing multiple drives simultaneously. Others might look for a different color or a lighter weight profile for portable use. These alternatives were selected because their specs overlap with the original, including 40Gbps transfer speeds and active cooling fans. Each pick offers distinct features like varied host interfaces or specific material choices to suit your particular workflow.
Alternatives to the MAIWO enclosure
FREEGENE 40Gbps Dual-Bay NVMe Dock with Fan
The FREEGENE 40Gbps Dual-Bay NVMe Dock with Fan supports dual drives, whereas the MAIWO model handles only a single 2280 M.2 NVMe SSD. This dock weighs 1.5 pounds and features an aluminum construction. It targets users needing expanded storage capacity or dual-drive workflows. The MAIWO enclosure is lighter and designed for portable single-drive use. If you require multiple drives or a desktop dock setup, the FREEGENE option provides more utility. However, for simple, lightweight external storage, the MAIWO remains more compact and easier to carry.
ANYOYO 40Gbps Fan-Cooled M.2 NVMe Enclosure
The ANYOYO 40Gbps Fan-Cooled M.2 NVMe Enclosure shares the tool-free design and active cooling of the MAIWO unit. It measures 2.24 inches wide and weighs 5.86 ounces, making it slightly wider but lighter than the MAIWO model. Both support 40Gbps speeds and NVMe interfaces. The ANYOYO model highlights a dual-chip architecture in its description, which may offer different performance characteristics. If you prefer a lighter enclosure with similar thermal management, this is a viable alternative. The MAIWO remains a strong choice if you prioritize its specific tool-free mechanism and established compatibility with Thunderbolt 4 hosts.
ACASIS 40Gbps Fan-Cooled M.2 NVMe Enclosure
The ACASIS 40Gbps Fan-Cooled M.2 NVMe Enclosure (TBU405 Pro) is a premium option with active cooling and 40Gbps transfer speeds, matching the MAIWO core specs. It lacks a listed weight, but its dimensions are similar to the ANYOYO model. This enclosure is built for stable high-speed performance with robust thermal management. The MAIWO model includes specific details about its USB4 and Thunderbolt compatibility and tool-free installation. If you need a premium build for professional data transfers, the ACASIS TBU405 Pro is a solid alternative. The MAIWO offers more detailed compatibility notes for various operating systems and host interfaces.
UGREEN 40Gbps Aluminum M.2 NVMe Fan Enclosure
The UGREEN 40Gbps Aluminum M.2 NVMe Fan Enclosure features an aluminum body and active cooling, similar to the MAIWO design. It weighs 7.05 ounces and measures 1.89 inches wide, making it narrower than the MAIWO enclosure. Both support 40Gbps speeds and NVMe drives. The UGREEN model is designed for broad form factor support and active cooling. If you prefer a slightly narrower profile with an aluminum shell, this is a good option. The MAIWO enclosure provides more specific information on its internal thermal pads and compatibility with Apple M1/M2 Pro/Max systems, which may be relevant for Mac users.
ORICO 40Gbps Tool-Free M.2 NVMe SSD Enclosure
The ORICO 40Gbps Tool-Free M.2 NVMe SSD Enclosure supports multiple M.2 sizes, including 2280, unlike the MAIWO model which is limited to 2280. It weighs 3.17 ounces and features tool-free installation and active cooling. This versatility makes it ideal for users who frequently swap drives of different lengths. The MAIWO enclosure is optimized for 2280 drives with specific thermal management features. If you need support for 2230, 2242, or 2260 drives, the ORICO option is superior. For dedicated 2280 use with detailed compatibility notes, the MAIWO remains a strong, focused choice.
ACASIS 40Gbps M.2 NVMe Enclosure with Fan
The ACASIS 40Gbps M.2 NVMe Enclosure with Fan supports multiple M.2 sizes, including 2230, 2242, 2260, and 2280, offering more versatility than the MAIWO 2280-only model. It weighs 4.83 ounces and features active cooling. The MAIWO enclosure is limited to 2280 drives but provides detailed compatibility information for various host interfaces. If you need a single enclosure for various M.2 drive sizes, the ACASIS TBU401 Pro is a better fit. For users who only use 2280 drives and want specific thermal and compatibility details, the MAIWO model is a precise and well-documented option.
Quick picks
Our 7 picks
MAIWO 40Gbps NVMe SSD Enclosure with Fan
Best for: Users needing active cooling and 40Gbps speed
- 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 speeds, reaching 3200+ MB/s. The all-aluminum shell includes a built-in fan for cooling. It works with USB4, Thunderbolt 4/3, and USB 3.2. You get tool-free installation and a braided strap. It is designed for fast data transfers on Windows, macOS, and Linux.
Pros
- Supports 40Gbps transfer speeds with up to 3200+ MB/s
- Built-in turbo fan and aluminum shell for heat dissipation
- Tool-free installation with a secure carabiner and braided strap
- Compatible with USB4, Thunderbolt 4/3, and USB 3.2
Cons
- Only supports 2280 form factor M.2 NVMe drives
- Drops to 20Gbps when connected to Thunderbolt 3 hosts
- Heavier at 9.59 ounces compared to passive aluminum cases
Good fit if
- You need maximum 40Gbps throughput for large files
- You want active cooling to keep your SSD cool
- You use Thunderbolt 4 or USB4 ports
Skip if
- You have 2230 or 2242 M.2 SSDs
- You rely on older Thunderbolt 3 connections for full speed
- You prefer a lightweight passive aluminum enclosure
Verdict: MAIWO 40Gbps NVMe Enclosure with Fan delivers top-tier speeds for users who prioritize performance and thermal management. It is the right pick if you need 40Gbps bandwidth and active cooling for your 2280 NVMe drive.
FREEGENE 40Gbps Dual-Bay NVMe Dock with Fan
Best for: 40Gbps hosts needing dual monitors and dual drives
- Max Transfer Speed
- 40Gbps
- Host Interface
- USB 4.0, USB-C
- Drive Interface
- M.2 NVMe
- Supported Form Factors
- 2230, 2242, 2260, 2280
- Drive Bay Count
- 2 bays
- Cooling System
- Built-in fan, aluminum alloy
View on Amazon: FREEGENE 40Gbps Dual-Bay NVMe Dock with Fan Affiliate link
This is a 40Gbps dual-bay NVMe enclosure dock with a built-in cooling fan. It supports up to 8TB per drive and offers tool-free installation. The aluminum body helps manage heat. It also expands your display to two 4K screens. You need a 40Gbps host device to use its full speed. This dock suits users who need high-speed storage and extra monitors.
Pros
- Dual-bay design for two M.2 NVMe drives
- Built-in cooling fan with aluminum alloy body
- Supports 2230, 2242, 2260, and 2280 form factors
- Tool-free installation for easy drive swaps
- Dual monitor output up to 4K at 60Hz
Cons
- Incompatible with non-40Gbps host devices
- Single drive read speeds capped at 1800 MB/s
- Heavier at 1.5 pounds compared to basic enclosures
Good fit if
- You need dual monitor expansion alongside storage
- You have a 40Gbps host device
- You want tool-free drive installation
Skip if
- You only have USB 3.2 or older ports
- You prefer a lightweight portable enclosure
- You need single-drive simplicity without dock features
Verdict: ACASIS TBU405 Pro Max Dual-Bay Dock is a robust solution for users with 40Gbps hosts who need dual monitors and high-capacity storage. It fits professionals who value heat management and expansion.
ANYOYO 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 (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 40Gbps NVMe enclosure supports Thunderbolt 4 and USB4 interfaces with a maximum transfer speed of 40Gbps. It uses a dual-chip setup with JHL7440 and RTL9210 controllers for reliable performance. The aluminum alloy shell includes a PWM turbo fan for active cooling. It accepts M.2 NVMe drives up to 8TB in various form factors. The tool-free design makes installation straightforward across Windows, macOS, and Linux systems.
Pros
- Supports 40Gbps transfer speeds via Thunderbolt 4 and USB4
- Dual-chip reliability with JHL7440 and RTL9210 controllers
- Active cooling via PWM turbo fan and aluminum alloy shell
- Tool-free installation for easy drive swapping
- Compatible with M.2 2230, 2242, 2260, and 2280 form factors
Cons
- Heavier build at 5.86 ounces compared to lighter aluminum options
- Larger footprint at 4.65 inches in length
- Does not support SATA NGFF or mSATA solid-state drives
Good fit if
- You need Thunderbolt 4 or USB4 connectivity for maximum speed
- You want active cooling to manage thermal throttling
- You use multiple M.2 form factors including 2230 and 2280
Skip if
- You require support for SATA or mSATA drives
- You prefer a passive cooling design without moving parts
- You need the most compact and lightweight enclosure available
Verdict: The ANYOYO 40Gbps NVMe Enclosure fits users who prioritize Thunderbolt 4 speeds and active thermal management. Its dual-chip architecture and tool-free design make it a solid option for high-performance portable storage workflows.
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 USB4 NVMe enclosure built around the Intel JHL7440 chip. It supports 40Gbps transfers and includes a built-in cooling fan to manage heat during heavy workloads. The aluminum shell aids dissipation, and the unit fits M.2 drives in 2230, 2242, 2260, and 2280 sizes. You get tested speeds near 2800 MB/s on compatible Mac and PC systems.
Pros
- Intel JHL7440 chip for true USB4 and Thunderbolt 4 compatibility
- Built-in cooling fan prevents thermal throttling
- Supports 2230, 2242, 2260, and 2280 M.2 drives
- Aluminum alloy shell for passive heat dissipation
Cons
- Fan requires manual activation via a physical switch
- Heavier build due to the integrated cooling fan
- No mention of tool-free drive installation
Good fit if
- You need reliable 40Gbps speeds on Thunderbolt 4 Macs or PCs
- You run large files that generate significant heat
- You use various M.2 SSD sizes like 2280 or 2230
Skip if
- You want a completely silent operation without fan noise
- You prefer a tool-free drive swap experience
- You only need USB 3.2 speeds and not USB4
Verdict: ACASIS TBU405 Pro 40Gbps NVMe Enclosure delivers stable high-speed performance for professionals who prioritize thermal management. It is ideal for users with Thunderbolt 4 hosts who need to handle large data transfers without slowing down.
UGREEN 40Gbps Aluminum M.2 NVMe Fan Enclosure
Best for: Thunderbolt users needing 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 uses an aluminum alloy casing and a built-in PWM cooling fan to manage heat during high-speed transfers. It supports 40Gbps speeds via USB4 or Thunderbolt 3/4 interfaces. The unit accommodates M/B+M key NVMe drives in 2230, 2242, 2260, and 2280 sizes, with a maximum capacity of 4TB. It weighs 7.05 ounces and includes S.M.A.R.T. monitoring for data reliability.
Pros
- Aluminum alloy casing with silicone thermal pad for passive heat dissipation
- Built-in PWM turbo fan with automatic speed adjustment
- Supports USB4, Thunderbolt 3/4, and USB 3.2/3.1/3.0/2.0
- Compatible with 2230, 2242, 2260, and 2280 M.2 SSDs
- Maximum capacity support up to 4TB
Cons
- Does not support M.2 PCIe 5.0 SSDs
- Incompatible with SSDs that have built-in heatsinks
- Thunderbolt 4 speeds require compatible cables and host interfaces
Good fit if
- You need active cooling for sustained high-speed data transfers
- You use Thunderbolt 3 or 4 capable computers
- You require support for smaller 2230 or 2242 form factors
Skip if
- You plan to use M.2 PCIe 5.0 drives
- Your NVMe SSD already has a large heatsink attached
- You need a tool-free design without a fan
Verdict: UGREEN 40Gbps NVMe Enclosure with Fan is a robust option for users needing active cooling and broad form factor support. It fits professionals who transfer large files on Thunderbolt or USB4 systems.
ORICO 40Gbps Tool-Free M.2 NVMe SSD Enclosure
Best for: Users needing active cooling and multi-size support
- Max Transfer Speed
- 40Gbps
- Host Interface
- USB4, Thunderbolt 4/3
- Drive Interface
- NVMe M-Key
- Supported Form Factors
- 2230/2242/2260/2280
- Cooling System
- Built-in silent fan
- Maximum Capacity
- 4TB
View on Amazon: ORICO 40Gbps Tool-Free M.2 NVMe SSD Enclosure Affiliate link
This ORICO enclosure supports M.2 NVMe drives in 2230, 2242, 2260, and 2280 sizes. It offers a maximum transfer speed of 40Gbps via USB4 or Thunderbolt 3/4. A built-in silent fan and aluminum construction help manage heat. You get a tool-free design and a 30cm cable with dual ports. It supports drives up to 4TB and works with Mac, Windows, and Linux.
Pros
- Supports 40Gbps speeds with USB4 or Thunderbolt 3/4
- Built-in silent fan for active cooling
- Tool-free installation for easy drive swaps
- Includes cable with USB-C to A and C ports
- Supports PD100W fast charging through the cable
Cons
- Requires USB4 or Thunderbolt interface for full 40Gbps speed
- Heavier at 3.17 ounces compared to passive enclosures
- Limited to 30cm cable length
Good fit if
- You need active cooling for sustained high-speed transfers
- You use a variety of M.2 form factors
- You want tool-free drive installation
Skip if
- You only have USB 3.2 Gen 2x2 ports
- You prefer a completely passive cooling design
- You need a longer cable than 30cm
Verdict: ORICO 40Gbps NVMe Enclosure 2280 is a robust option for users who prioritize thermal management and versatile connectivity. It fits those who frequently swap drives between different M.2 sizes and require high-speed data transfer capabilities.
ACASIS 40Gbps M.2 NVMe Enclosure with Fan
Best for: Thunderbolt users needing active cooling
- 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
This ACASIS enclosure uses the Intel JHL7440 chip to support USB4 and Thunderbolt 5/4/3 interfaces. It features an active cooling fan, aluminum alloy body, and thermal pad to manage heat. You get transfer speeds up to 40Gbps with practical read/write performance around 2800 MB/s. It fits M.2 2230, 2242, 2260, and 2280 drives. The design suits Mac and PC users needing reliable high-speed external storage.
Pros
- Intel JHL7440 chip ensures dual-chip reliability
- Active cooling fan with thermal pad and aluminum alloy
- Supports USB4 and Thunderbolt 5/4/3 interfaces
- Compatible with M.2 2230, 2242, 2260, and 2280 drives
Cons
- Heavier at 4.83 ounces than some competitors
- Requires manual switch activation for the fan
- No mention of tool-free installation mechanism
Good fit if
- You need active cooling for sustained high-speed transfers
- You use Thunderbolt 4 or USB4 hosts
- You require support for smaller M.2 form factors like 2230
Skip if
- You prefer a completely passive cooling design
- You want a tool-free assembly process
- You need a lighter, more portable enclosure
Verdict: ACASIS 40Gbps NVMe Enclosure with Fan offers robust thermal management and broad interface compatibility for professionals. It is a solid choice for users who prioritize heat dissipation and support for various M.2 sizes over minimal weight.
Specifications side by side
| Spec | MAIWO 40Gbps NVMe SSD Enclosure with Fan | FREEGENE 40Gbps Dual-Bay NVMe Dock with Fan | ANYOYO 40Gbps Fan-Cooled M.2 NVMe Enclosure | ACASIS 40Gbps Fan-Cooled M.2 NVMe Enclosure | UGREEN 40Gbps Aluminum M.2 NVMe Fan Enclosure | ORICO 40Gbps Tool-Free M.2 NVMe SSD Enclosure | ACASIS 40Gbps M.2 NVMe Enclosure with Fan |
|---|---|---|---|---|---|---|---|
| Max Transfer Speed | 40Gbps | 40Gbps | 40Gbps | 40Gbps | 40Gbps | 40Gbps | 40Gbps |
| Host Interface | USB4 Type-C, Thunderbolt 4/3 | USB 4.0, USB-C | USB4, Thunderbolt 4/3 | USB4, Thunderbolt 4/3 | USB4, Thunderbolt 3/4 | USB4, Thunderbolt 4/3 | Thunderbolt 5/4/3, USB4, USB 3.2 |
| Drive Interface | M.2 PCIe NVMe M Key | M.2 NVMe | PCIe NVMe (M Key, B&M Key) | PCIe NVMe | NVMe (M/B+M Key) | NVMe M-Key | NVMe |
| Supported Form Factors | 2280mm | 2230, 2242, 2260, 2280 | M.2 2230, 2242, 2260, 2280 | 2230, 2242, 2260, 2280 | 2230, 2242, 2260, 2280 | 2230/2242/2260/2280 | 2230, 2242, 2260, 2280 |
| Drive Bay Count | not stated | 2 bays | not stated | not stated | not stated | not stated | not stated |
| Cooling System | Aluminium alloy shell, built-in fan | Built-in fan, aluminum alloy | Aluminum alloy shell, PWM turbo fan | Built-in cooling fan, aluminum | Aluminum alloy casing, cooling fan | Built-in silent fan | Silent cooling fan, aluminum alloy |
| Maximum Capacity | 8TB | 8TB | 8TB | not stated | 4TB | 4TB | not stated |
| Installation Style | Tool Free | Tool-free | Tool-Free | not stated | not stated | Tool-Free | not stated |
| Interface | NVMe | NVMe | NVMe | NVMe | NVMe | NVMe | NVMe |
| Form Factor | M.2 | M.2 | M.2 | M.2 2280 | M.2 2280 | M.2 2280 | 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 | Tool-Free | Tool-Free | Tool-Free | not stated | not stated | Tool-Free | not stated |
| Material | not stated | Aluminum | not stated | not stated | Aluminum | not stated | not stated |
| Dimensions | 4.72 × 1.97 × 0.59 inches | not stated | 4.65 × 2.24 × 0.71 inches | 4.65 × 2.24 × 0.7 inches | 4.72 × 1.89 × 0.75 inches | not stated | 4.65 × 2.24 × 0.71 inches |
| Weight | 9.59 ounces | 1.5 pounds | 5.86 ounces | not stated | 7.05 ounces | 3.17 ounces | 4.83 ounces |
| Model | 40Gbps NVMe Enclosure Built-in Fan | TBU405 Pro Max | TBU401 Pro | TBU405 PRO | 15976-40GB | TCM2-U4-BK | TBU401 Pro |
| Size | not stated | not stated | TBU401Pro | TBU405 Pro | not stated | not stated | 2230/2242/2260/2280 |
| Color | not stated | not stated | Space Gray | Black | Grey | Black | black |
For drive cooling inside enclosures, you can evaluate joyjom nvme m 2 heatsink SSD alternatives by their thickness specifications.
Frequently asked questions
Which enclosure is best for active cooling?
The MAIWO 40Gbps NVMe Enclosure with Fan is the top pick for users who prioritize thermal management. It features a built-in cooling fan and supports 40Gbps transfer speeds. This model is designed for 2280 M.2 NVMe drives and offers tool-free installation. It weighs 9.59 ounces and measures 4.72 inches in length, making it a robust choice for sustained high-speed performance.
Can I use these enclosures with Thunderbolt 4 hosts?
Several options in this list are optimized for Thunderbolt 4 hosts. The ANYOYO 40Gbps Fan-Cooled M.2 NVMe Enclosure and the ACASIS 40Gbps Fan-Cooled M.2 NVMe Enclosure both target users with Thunderbolt 4 systems. These models deliver stable high-speed performance for large data transfers. They feature active cooling to maintain speed during heavy workloads, ensuring compatibility with high-bandwidth interfaces.
Do these drives support multiple M.2 sizes?
Support varies by model. The ORICO 40Gbps Tool-Free M.2 NVMe SSD Enclosure is specifically noted for multi-size support, accommodating various form factors. The ACASIS 40Gbps M.2 NVMe Enclosure with Fan also supports 2230, 2242, 2260, and 2280 sizes. Most other models in the list are primarily designed for the standard 2280 M.2 NVMe drive format.
Which option is best for budget-conscious buyers?
The FREEGENE 40Gbps Dual-Bay NVMe Dock with Fan is marked as the best budget option. It is a dual-bay dock that supports two drives simultaneously. This makes it suitable for users needing expanded storage capacity. It features an aluminum construction and weighs 1.5 pounds. The design targets professionals who value heat management and expansion capabilities without a premium price tag.
Are these enclosures tool-free?
Most models in this comparison feature tool-free designs for easy drive installation. The MAIWO, FREEGENE, ANYOYO, UGREEN, and ORICO enclosures all explicitly list tool-free features. This allows you to install or swap your M.2 NVMe SSD quickly without needing additional hardware. The ACASIS models do not explicitly list tool-free features in their attributes, so you should check the specific model details before purchasing.
What is the maximum transfer speed for these devices?
All listed enclosures support a maximum transfer speed of 40Gbps. This bandwidth allows for rapid data movement between your computer and the NVMe drive. The MAIWO, FREEGENE, ANYOYO, ACASIS, UGREEN, and ORICO models all share this 40Gbps specification. This speed is ideal for professionals who frequently transfer large files and need to minimize wait times during data migration tasks.
Which enclosure is the lightest?
The ORICO 40Gbps Tool-Free M.2 NVMe SSD Enclosure is the lightest option at 3.17 ounces. The ACASIS 40Gbps M.2 NVMe Enclosure with Fan weighs 4.83 ounces. The ANYOYO model weighs 5.86 ounces. Heavier options include the UGREEN enclosure at 7.05 ounces and the MAIWO model at 9.59 ounces. The FREEGENE dock is the heaviest at 1.5 pounds due to its dual-bay design.