Silicon Power vs Western Digital USB Flash Drives

Side-by-side price per gigabyte comparison across 11 products.

As of July 2026, Silicon Power averages $0.4504/GB across 10 products while Western Digital averages $0.1405/GB across 1 products on BuyPerUnit. Western Digital offers 69% better value per gigabyte for usb flash drives.

Silicon Power

Avg $/GB$0.4504
Best $/GB$0.2382
Price Range$0.2382 – $1.0309
Products10

Western Digital

Better Value
Avg $/GB$0.1405
Best $/GB$0.1405
Price Range$0.1405 – $0.1405
Products1

Cheapest Product

WD - Easystore 128GB USB 2.0 Flash Drive - Blue

128 GB · $17.99 · bestbuy

Top Products Compared

RankBrandProductCapacity$/GBPriceRetailer
1Silicon Power256GB Silicon Power B30 Blaze USB3.0 Flash Drive Swivel Style Black256GB$0.2382$60.99newegg
1Western DigitalWD - Easystore 128GB USB 2.0 Flash Drive - Blue128 GB$0.1405$17.99bestbuy
2Silicon PowerSilicon Power 128GB Blaze B30 USB 3.0 Flash Drive (SP128GBUF3B30V1K)128GB$0.2421$30.99newegg
3Silicon PowerSilicon Power 64GB Blaze B30 USB 3.0 Flash Drive (SP064GBUF3B30V1K)64GB$0.3077$19.69newegg
4Silicon PowerSilicon Power 128GB Jewel J80 USB 3.0 Flash Drive128GB$0.3124$39.99newegg
5Silicon Power128GB Silicon Power C80 USB3.2 Type C Flash Drive128GB$0.3515$44.99newegg

Which Should You Buy?

Based on current pricing data, Western Digital offers better overall value for usb flash drives at an average of $0.1405/GB compared to Silicon Power's $0.4504/GB — that's roughly 69% less per gigabyte.

Western Digital's best deal is the WD - Easystore 128GB USB 2.0 Flash Drive - Blue (128 GB) at $0.1405/GB, while Silicon Power's cheapest option is the 256GB Silicon Power B30 Blaze USB3.0 Flash Drive Swivel Style Black (256GB) at $0.2382/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 Silicon Power or Western Digital cheaper per GB for usb flash drives?

As of July 2026, Western Digital averages $0.1405/GB compared to Silicon Power at $0.4504/GB. Western Digital is approximately 69% cheaper per gigabyte on average.

How many Silicon Power and Western Digital usb flash drives does BuyPerUnit track?

BuyPerUnit currently tracks 10 Silicon Power products and 1 Western Digital products in the usb flash drives category, all ranked by price per gigabyte.

What is the cheapest Silicon Power usb flash drive per GB?

The cheapest Silicon Power option is the 256GB Silicon Power B30 Blaze USB3.0 Flash Drive Swivel Style Black at $0.2382/GB ($60.99 for 256GB).

What is the cheapest Western Digital usb flash drive per GB?

The cheapest Western Digital option is the WD - Easystore 128GB USB 2.0 Flash Drive - Blue at $0.1405/GB ($17.99 for 128 GB).

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