UnionSine USB C External SSD 128GB, USB3.2 Solid State Flash Drive Up to 450MB/s, Mini Type-C USB Drive SSD-Stick for iPhone 15/16/17 Series, Android Phone, Laptop, Tablet, TV, Car Audio
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AI Verdict
This 128GB USB 3.2 external SSD offers 450MB/s read speed, for users needing fast, portable storage across USB-C devices.
This 128GB USB 3.2 SSD offers 450MB/s read speeds and direct USB-C connectivity, making it suitable for quick transfers and expanding storage on modern mobile devices. Its compact size is convenient for on-the-go use, but the capacity is limited for extensive data needs.
If 128GB isn't enough, look for external SSDs with 500GB or 1TB capacity to handle larger media collections.
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Pros
- Achieves read speeds up to 450 MB/s via its USB 3.2 interface.
- Supports 4K 60fps ProRes video recording, allowing direct saving of HD videos.
- Features a plug-and-play design for convenient data transfer across Type C OTG devices.
- Equipped with a 40 nm high-performance SSD main controller and TLC NAND flash for data handling.
- Includes LDPC algorithm error correction for stable data transmission.
- Compact 2-inch form factor eliminates the need for data cables.
Cons
- Actual usable capacity is approximately 119GB, about 7-10% lower than the advertised 128GB.
- Requires an adapter for backward compatibility with USB 3.0 and 2.0 ports, which is not included.
- 128GB capacity can fill quickly, especially when recording 4K video.
Dimension Scores
The 450 MB/s read speed is faster than conventional USB 3.0 memory sticks, but not top-tier for all external SSDs.
Equipped with a 40 nm high-performance SSD main controller and LDPC algorithm error correction for stable data transmission.
128GB is a small capacity for an SSD, especially with its 4K video recording capabilities, which can quickly consume space.
Offers wide compatibility with Type C OTG devices (iPhone 15/16/17, Android, laptop, tablet, TV, car audio) and is backward compatible with older USB ports via adapter.
Best For
- iPhone 15/16/17 series users recording 4K 60fps ProRes video directly to external storage.
- Android phone users needing quick file transfers and storage expansion for large media.
- Laptop and tablet users frequently moving large files between USB-C enabled devices.
- Anyone needing a compact, cable-free external storage solution for on-the-go use.
Not Recommended For
- Users requiring terabytes of storage for extensive, long-term media archives.
- Devices without a USB-C port, unless an adapter is purchased separately.
- Users prioritizing the absolute lowest cost per gigabyte for bulk storage.
Watch Out For
- The formatted capacity will be around 119GB, not the full 128GB, due to binary measurement standards.
- Backward compatibility with older USB 3.0 and 2.0 ports requires a separate adapter, which is not included.
Full Specifications
| ASIN | B0FNBSWSFQ |
| Brand | UnionSine |
| Color | Grey |
| Series | FD450-128GB |
| Hard Drive | 128 GB Solid State Hard Drive |
| Item Weight | 0.352 ounces |
| Manufacturer | UnionSine |
| Special Feature | Backward Compatible, Plug-and-Play, Portable |
| Installation Type | External Hard Drive |
| Item model number | FD450-128GB |
| Compatible Devices | Desktop, Laptop, Smartphone, Tablet, Television |
| Package Dimensions | 5.04 x 3.94 x 0.67 inches |
| Hard Disk Interface | USB 3.0 |
| Hard Drive Interface | USB 3.0 |
| Hard Disk Description | Solid State Hard Drive |
| Hard Disk Form Factor | 2 Inches |
| Connectivity Technology | USB |
| Digital Storage Capacity | 128 GB |
What Buyers Say
This SSD is marketed heavily on its speed and direct USB-C compatibility, especially for iPhone 15/16/17 users needing to record 4K ProRes video. Its compact, cable-free design is a recurring benefit, making it convenient for on-the-go use. A common point of clarification for buyers is the lower actual usable capacity compared to the advertised 128GB, which is standard but can be unexpected.
“Dude, this thing is tiny but it actually lets me offload my iPhone videos so fast, no more 'storage full' pop-ups. Just wish I got the bigger one, 128GB disappears quick with all my drone footage.”
Common Praise
- Transfers files quickly with its 450 MB/s read speeds.
- Plugs directly into USB-C phones and tablets without needing extra cables.
- Supports 4K 60fps ProRes video recording from compatible phones.
- Small and lightweight, making it easy to carry around.
- Works across Windows, Mac OS, Android, and Linux systems.
Common Complaints
- Actual storage space is less than 128GB, typically around 119GB.
- Needs an adapter for use with older USB-A ports.
- 128GB capacity fills up quickly if you're recording a lot of 4K video.
Ownership Tips
- The small size means it's easy to misplace if you're not careful.
- Gets warm during extended 4K video recording sessions.
- The USB-C connector feels sturdy after repeated insertions.
- The reported 450MB/s speed feels accurate for large file transfers.
Frequently Asked Questions
What is the actual usable capacity?
Due to how operating systems calculate storage, a 128GB drive will show approximately 119GB of usable space. This is standard for all storage devices.
Can I use this with older USB ports?
Yes, it's backward compatible with USB 3.0 and 2.0 ports, but you'll need an adapter, which isn't included.
Is it fast enough for 4K video recording?
Yes, it supports 4K 60fps ProRes video recording with its high writing speed.
What devices is this compatible with?
It's compatible with all Type C OTG devices, including iPhone 15/16/17 series, Android phones, laptops, tablets, TVs, and car audio systems.
Does it require any software installation?
No, it features a plug-and-play design, meaning no software is needed for most devices.
What kind of drive is it?
It's an external solid-state drive (SSD) using TLC NAND flash and an SSD main controller.
Buying Guide
When you're looking at external storage like this, you need to think about how much space you actually need and how fast you need to move files. This isn't like a cloud service; it's physical storage you carry. If you're constantly running out of space on your phone or laptop with big video files, a fast external SSD can save you a ton of time and frustration.
Capacity (128 GB)
This is how much data it can hold, like the size of a bucket. 128GB is a small bucket; it's enough for a few hours of 4K video or thousands of photos, but not a whole movie collection.
Read Speed (Up to 450 MB/s)
This is how fast you can pull data *from* the drive, like how quickly water flows out of a faucet. 450 MB/s is quick for moving large files, much faster than older USB flash drives.
Interface (USB 3.2, Type-C)
This is the connection type, like the shape of the plug. USB-C is the newer, reversible standard found on most modern phones and laptops, meaning you can plug it in directly without an adapter.
Alternatives
If you need more storage, look for external SSDs with 500GB or 1TB capacity. If you need even faster transfers for professional video editing, consider drives with Thunderbolt or USB 3.2 Gen 2x2 interfaces.
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