SanDisk vs Unionsine USB Flash Drives
Side-by-side price per gigabyte comparison across 62 products.
As of March 2026, SanDisk averages $0.5498/GB across 61 products while Unionsine averages $0.2804/GB across 1 products on BuyPerUnit. Unionsine offers 49% better value per gigabyte for usb flash drives.
SanDisk
Cheapest Product
SanDisk 128GB Cruzer Glide USB 2.0 Flash Drive - SDCZ60-128G-B35,Black128 GB · $14.65 · amazon
Unionsine
Better ValueTop Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | SanDisk | SanDisk 128GB Cruzer Glide USB 2.0 Flash Drive - SDCZ60-128G-B35,Black | 128 GB | $0.1145 | $14.65 | 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 | SanDisk | SanDisk 256GB Cruzer Glide USB 2.0 Flash Drive - SDCZ60-256G-B35, Black | 256 GB | $0.1209 | $30.94 | amazon |
| 3 | SanDisk | SanDisk 128GB Ultra Flair USB 3.0 Flash Drive - SDCZ73-128G-G46, black | 128 GB | $0.1374 | $17.59 | amazon |
| 4 | SanDisk | SanDisk 512GB Ultra Fit USB 3.2 Gen 1 Flash Drive - Up to 400MB/s, Plug-and-Stay Design - SDCZ430-512G-GAM46, Black | 512 GB | $0.1457 | $74.59 | amazon |
| 5 | SanDisk | SanDisk 256GB Ultra Flair USB 3.0 Flash Drive - SDCZ73-256G-G46, black | 256 GB | $0.1548 | $39.63 | amazon |
Which Should You Buy?
Based on current pricing data, Unionsine offers better overall value for usb flash drives at an average of $0.2804/GB compared to SanDisk's $0.5498/GB — that's roughly 49% less per gigabyte.
Unionsine's best deal 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, while SanDisk's cheapest option is the SanDisk 128GB Cruzer Glide USB 2.0 Flash Drive - SDCZ60-128G-B35,Black (128 GB) at $0.1145/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 SanDisk or Unionsine cheaper per GB for usb flash drives?
As of March 2026, Unionsine averages $0.2804/GB compared to SanDisk at $0.5498/GB. Unionsine is approximately 49% cheaper per gigabyte on average.
How many SanDisk and Unionsine usb flash drives does BuyPerUnit track?
BuyPerUnit currently tracks 61 SanDisk products and 1 Unionsine products in the usb flash drives category, all ranked by price per gigabyte.
What is the cheapest SanDisk usb flash drive per GB?
The cheapest SanDisk option is the SanDisk 128GB Cruzer Glide USB 2.0 Flash Drive - SDCZ60-128G-B35,Black at $0.1145/GB ($14.65 for 128 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).