Amazon Basics vs Unionsine USB Flash Drives
Side-by-side price per gigabyte comparison across 5 products.
As of March 2026, Amazon Basics averages $0.1881/GB across 4 products while Unionsine averages $0.2804/GB across 1 products on BuyPerUnit. Amazon Basics offers 33% better value per gigabyte for usb flash drives.
Amazon Basics
Better ValueCheapest Product
Amazon Basics 256 GB Ultra Fast USB 3.1 Flash Drive, High Capacity External Storage for Photos Videos, Retractable Design, 130MB/s Transfer Speed, Black256 GB · $34.83 · amazon
Unionsine
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | Amazon Basics | Amazon Basics 256 GB Ultra Fast USB 3.1 Flash Drive, High Capacity External Storage for Photos Videos, Retractable Design, 130MB/s Transfer Speed, Black | 256 GB | $0.1361 | $34.83 | amazon |
| 1 | Unionsine | 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 | 128 GB | $0.2804 | $35.89 | amazon |
| 2 | Amazon Basics | Amazon Basics 256GB USB Flash Drive, Thumb Drive Memory Stick with USB C and USB A Dual Ports, Champagne Silver | 256 GB | $0.1443 | $36.94 | amazon |
| 3 | Amazon Basics | Amazon Basics 128GB USB Flash Drive, Thumb Drive Memory Stick with USB C and USB A Dual Ports, Champagne Silver | 128 GB | $0.2345 | $30.01 | amazon |
| 4 | Amazon Basics | Amazon Basics 128 GB Ultra Fast USB 3.1 Flash Drive, Retractable, High-Speed Data Transfer Storage Device, Black | 128 GB | $0.2374 | $30.39 | amazon |
Which Should You Buy?
Based on current pricing data, Amazon Basics offers better overall value for usb flash drives at an average of $0.1881/GB compared to Unionsine's $0.2804/GB — that's roughly 33% less per gigabyte.
Amazon Basics's best deal is the Amazon Basics 256 GB Ultra Fast USB 3.1 Flash Drive, High Capacity External Storage for Photos Videos, Retractable Design, 130MB/s Transfer Speed, Black (256 GB) at $0.1361/GB, while Unionsine's cheapest option is the 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 (128 GB) at $0.2804/GB.
However, price per GB isn't everything — consider factors like warranty, performance specs, and your specific capacity needs. Check individual product pages for detailed specifications.
Frequently Asked Questions
Is Amazon Basics or Unionsine cheaper per GB for usb flash drives?
As of March 2026, Amazon Basics averages $0.1881/GB compared to Unionsine at $0.2804/GB. Amazon Basics is approximately 33% cheaper per gigabyte on average.
How many Amazon Basics and Unionsine usb flash drives does BuyPerUnit track?
BuyPerUnit currently tracks 4 Amazon Basics products and 1 Unionsine products in the usb flash drives category, all ranked by price per gigabyte.
What is the cheapest Amazon Basics usb flash drive per GB?
The cheapest Amazon Basics option is the Amazon Basics 256 GB Ultra Fast USB 3.1 Flash Drive, High Capacity External Storage for Photos Videos, Retractable Design, 130MB/s Transfer Speed, Black at $0.1361/GB ($34.83 for 256 GB).
What is the cheapest Unionsine usb flash drive per GB?
The cheapest Unionsine option is the 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 at $0.2804/GB ($35.89 for 128 GB).