SanDisk Ultra Fit USB 3.2 Flash Drive 128GB
- 128 GB capacity
- Up to 400 MB/s read, write under 150 MB/s
- USB 3.2 Gen 1, USB Type-A connector
- 128-bit AES encryption listed
- Plug-and-stay design, 18.14 g
- 5 year limited warranty
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A very small Type-A flash drive built for a permanent port, with fast reads and a long warranty. Writes are much slower than reads, and it will not plug into a USB-C only machine without an adapter.
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ASIN: B0BY2WH7QBModel: SDCZ430-128G-GAM46Category: USB Flash Drives
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Overview
A spare port on a living room device is where this tiny flash drive stays put. Its low-profile body is built to stay plugged in, and the listing cites AES encryption.
Extra storage that never needs unplugging suits media libraries and game extra space. The write speed is far below the read speed, and the listing says little about how encryption is used.
Who it's for
A user who wants permanent extra space for media or backups on a laptop, TV or console. People who copy large files onto the drive often should note the slower write rate.
Pros and cons
- Tiny body stays in the port
- Fast read speed
- Five year warranty
- Works with laptops, TVs and consoles
- Write speed much slower than read
- Type-A connector only
- Encryption setup not described
- Encryption app not named
Performance notes
Reads reach the stated maximum on a fast port, while writes top out under the listed ceiling, so copying onto the drive takes longer than copying off it. A slower port limits both.
Specifications
| Brand | Sandisk |
|---|---|
| Model | SDCZ430-128G-GAM46 |
| Dimensions & fit | |
| Item weight | 18.14 g |
| Item Dimensions D x W x H | 1.17 x 0.56 x 0.2 inches (D x W x H) |
| Capacity & performance | |
| Memory Storage Capacity | 128 GBhigher than 53% of 88 usb flash drives |
| Read Speed | Up to 400 MB/s |
| Write Speed | Less than 150 MB/s |
| Construction & materials | |
| Color | Black |
| Compatibility & installation | |
| Hardware Interface | USB 3.2 Gen 1 |
| Hardware Connectivity Technology | USB Type-A |
| Compatible Devices | Laptops, tablets, TVs, gaming consoles |
| Warranty & support | |
| Warranty Description | 5 year limited manufacturer |
| Other details | |
| Additional Features | Compact, plug-and-stay design, 128-bit AES encryption |
| Mfr Part Number | SDCZ430-128G-GAM46 |
Closest rivals on specs
SamData USB Flash Drive with LED 32GB 2 Pack- Memory Storage Capacity 128 vs 32 GB (+300%)
- Item Weight 0.04 vs 0.03 pounds (+33%)
Lexar D40E Dual Type-C Flash Drive 128GB- Item Weight 0.04 vs 0.06 pounds (-33%)
Frequently asked questions
Is the SanDisk Ultra Fit 128GB a USB-C drive?
No. The connector is USB Type-A, so a USB-C only device needs an adapter, which the listing does not mention.
Why is the write speed lower than the read speed?
The listing gives up to 400 MB/s for reads and less than 150 MB/s for writes, so copying onto the drive is slower.
What devices does the SanDisk Ultra Fit work with?
The title highlight names laptops, tablets, TVs and gaming consoles.
How long is the warranty?
A 5 year limited manufacturer warranty is listed.