MT3-Normal Size Dustproof Micro Switch
Features
â—† Designed For Water and Dust Tight(IP67)
â—† Customized Designs
Normal Size Dustproof Micro Switch,Normally Open Micro Switch,Normally Closed Micro Switch,Momentary Dust Proof Switch Ningbo Jialin Electronics Co.,Ltd , https://www.donghai-switch.com
â—† UL&ENEC&CQC Safety Approvals
â—† Long life & high reliability
â—† Variety of Levers
â—† Wide Range of wiring Terminals
â—† Wide used in Automotive Electronics,Appliance and Industrial Control etc.
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One day, I was browsing various websites when I came across this message:
**"Great difference in new prices! 99 yuan (399-300) Napa Cloud Exchange Box L1 personal cloud storage, wired version (wireless version 199 yuan). Lynx cheap Jingdong 399 yuan."**
I clicked on it and checked out the features. It said things like "Inline Thunder, remote download, remote access, and intelligent finishing, real-time backup." That caught my attention, especially the remote download feature.
I used to run a NAS virtual machine on a N3150 + 4G memory system with Windows 2016 and TeamViewer, but it wasn't very stable. I also tried running a black box (like a torrent client), but it didn’t work well and lacked functionality. Plus, virtual machines always had performance issues. Eventually, I switched to a physical machine D525. Now, I decided to give this Cloud Exchange Box a try—after all, 99 yuan isn't that much, and I can return it within 7 days if it doesn't work out. (Don’t throw eggs at me!)
So I placed an order. After waiting for a few days, the delivery finally arrived. Today, I received the Cloud Exchange Box L1 wired version (hereinafter referred to as “the boxâ€).
The first thing I did was open the package. The packaging was pretty standard—nothing special. On the back, there were product features and specifications. Inside, there were four items: the main unit, a 5V 2500mAh DC power adapter, a short cable (about 30cm), and a simple quick-start guide. The only way to get more info was via a QR code linking to the app. No detailed specs or instructions provided.
There’s a DC power port, a 100M Ethernet port, and two USB 2.0 ports. I plugged in my 64GB CZ80 SSD (officially recommended 2.5-inch mobile hard drive, since 3.5-inch may not be powered properly through a single USB port, but the box has two USB ports). Then I registered an account via the app, entered the key, and waited about 2.3 minutes for the system update.
The main interface is simple and clean, which I found appealing. I won’t go into too much detail about the basic functions, but I’ll focus on what’s not covered in the manual.
Now, let’s move on to testing.
**First, I tested the remote download feature**, which I was most interested in. The app supports Windows, Android, iOS, and macOS, but the Windows client only allows file upload, download, and management—it’s just a web client. You can’t add remote download tasks directly from PC.
After checking the official website, I found out that the remote download function relies on Thunder’s own remote download feature. To use it, you need to bind your Thunder account and log in on the Thunder remote download page. Alternatively, you can add tasks directly on the Magic Box official site (but you can’t stop or delete them there). The Android app lets you manage tasks, but it doesn’t show the remaining time—only the task name, file size, and download speed.
The download speed is limited by Thunder itself. On my PC, Thunder could reach up to 6MB/s, but on the box, it maxed out at around 1MB/s. I don’t know if being a Thunder member would help, but I haven’t had enough time to test stability. I’ve experienced issues with devices going offline when using Thunder for remote downloads, especially with Docker or Merlin setups. However, devices like Merlins or Synology seem more stable.
Overall, I’d rate the remote download feature **7/10**. The basic functions are there, but the speed is slow. Maybe firmware updates will improve it in the future. If it stays online and doesn’t frequently go offline, it might still be acceptable.
Next, I tested the transfer speed. The box supports SMB sharing, which is great for local network access. I tested it via SMB on my PC and saw decent speeds, even with other devices without clients. For movies, it should work fine. I haven’t tested the TV app yet, but I’m hopeful.
On the phone, the app performed well. I could stream movies quickly, with buffering almost instant. The speed displayed was over 27MB/s, which seems unrealistic, possibly due to a calculation error. I found it faster than Kodi, and I could use third-party players, so subtitles weren’t an issue. I haven’t tested 4K content yet, but I expect it to work fine.
For uploading, the SMB method had some issues with large files, causing delays or connection errors. The client was more stable, though both methods were slower than expected. I suspect it's due to hardware limitations rather than the storage device or USB 2.0.
Finally, I tested external network transfer. With my 100Mbps upload speed, it wasn’t very practical, but I gave it a quick test. My phone over 4G got around 50–100KB/s. Not great, but not bad either.
Overall, I’d give the transfer performance **8/10**. It meets average family needs and offers great value for 99 yuan. That’s why I bought it in the first place.
**Pros:** Affordable, practical, full-featured, and easy to use.
**Cons:** Low-end hardware (Ethernet and USB 2.0). Upgrading to Gigabit and USB 3.0 would be a big improvement.
As a 100-yuan product, this experience felt really good. Even though there are other similar options like Thunder Download Treasure, I think it’s worth trying.
Just yesterday, a friend got a game player cloud. I had a chance to play it briefly. If I get another chance, I’ll do a comparison. Stay tuned!
**On the third day... I decided to return it.**
Hahahaha... sorry, I finally chose to return it. The main issue was the Thunder remote download. It worked fine the first day, but after that, it started going offline. I had a 3-day download that never finished. I re-bought a Thunder Download Treasure, and I’ll compare it soon. If it performs similarly, I’ll go back to my old setup. Friends, see you soon!
September 18, 2025