The 128GB AData UC310 USB 3.2 Flash Drive - Black Capless Swivel costs $0.1427/GB while the UnionSine USB C Flash Drive 128GB, USB3.2 Solid State External SSD Up to 450MB/s, Mini Type-C USB Drive SSD-Stick for iPhone 15/16/17 Series, Android Phone, Laptop, Tablet, TV, Car Audio costs $0.3116/GB. 128GB AData UC310 USB 3.2 Flash Drive - Black Capless Swivel offers 54% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
128GB AData UC310 USB 3.2 Flash Drive - Black Capless Swivel vs UnionSine USB C Flash Drive 128GB, USB3.2 Solid State External SSD Up to 450MB/s, Mini Type-C USB Drive SSD-Stick for iPhone 15/16/17 Series, Android Phone, Laptop, Tablet, TV, Car Audio — Which Is Better Value?
Specification Comparison
| Spec | 128GB AData UC310 USB 3.2 Flash Drive - Black Capless Swivel | UnionSine USB C Flash Drive 128GB, USB3.2 Solid State External SSD Up to 450MB/s, Mini Type-C USB Drive SSD-Stick for iPhone 15/16/17 Series, Android Phone, Laptop, Tablet, TV, Car Audio |
|---|---|---|
| Brand | ADATA | UnionSine |
| Capacity | 128GB | 128 GB |
| $/GB | $0.1427 | $0.3116 |
| Price | $18.27 | $39.89 |
| Retailer | Newegg | Amazon |
| Category | USB Flash Drives | USB Flash Drives |
| Subcategory | usb-a | usb-c |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the 128GB AData UC310 USB 3.2 Flash Drive - Black Capless Swivel offers better value at $0.1427//GB compared to the UnionSine USB C Flash Drive 128GB, USB3.2 Solid State External SSD 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 $0.3116//GB — that's roughly 54% less per gigabyte.
The best deal for the 128GB AData UC310 USB 3.2 Flash Drive - Black Capless Swivel is $18.27 at Newegg, while the UnionSine USB C Flash Drive 128GB, USB3.2 Solid State External SSD Up to 450MB/s, Mini Type-C USB Drive SSD-Stick for iPhone 15/16/17 Series, Android Phone, Laptop, Tablet, TV, Car Audio starts at $39.89 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each 128GB AData UC310 USB 3.2 Flash Drive - Black Capless Swivel and UnionSine USB C Flash Drive 128GB, USB3.2 Solid State External SSD Up to 450MB/s, Mini Type-C USB Drive SSD-Stick for iPhone 15/16/17 Series, Android Phone, Laptop, Tablet, TV, Car Audio product page for detailed specifications and price history.
Frequently Asked Questions
Is 128GB AData UC310 USB 3.2 Flash Drive - Black Capless Swivel or UnionSine USB C Flash Drive 128GB, USB3.2 Solid State External SSD Up to 450MB/s, Mini Type-C USB Drive SSD-Stick for iPhone 15/16/17 Series, Android Phone, Laptop, Tablet, TV, Car Audio a better deal?
As of June 2026, 128GB AData UC310 USB 3.2 Flash Drive - Black Capless Swivel offers better value at $0.1427//GB compared to UnionSine USB C Flash Drive 128GB, USB3.2 Solid State External SSD 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 $0.3116//GB. That is approximately 54% better value per gigabyte.
What is the price per GB of 128GB AData UC310 USB 3.2 Flash Drive - Black Capless Swivel?
The 128GB AData UC310 USB 3.2 Flash Drive - Black Capless Swivel is currently priced at $0.1427/GB ($18.27 for 128GB) at Newegg.
Where can I buy UnionSine USB C Flash Drive 128GB, USB3.2 Solid State External SSD Up to 450MB/s, Mini Type-C USB Drive SSD-Stick for iPhone 15/16/17 Series, Android Phone, Laptop, Tablet, TV, Car Audio for the cheapest price?
The cheapest price for the UnionSine USB C Flash Drive 128GB, USB3.2 Solid State External SSD Up to 450MB/s, Mini Type-C USB Drive SSD-Stick for iPhone 15/16/17 Series, Android Phone, Laptop, Tablet, TV, Car Audio is $39.89 at Amazon, which works out to $0.3116/GB.