SanDisk vs Silicon Power USB Flash Drives

Side-by-side price per gigabyte comparison across 285 products.

As of June 2026, SanDisk averages $0.9146/GB across 278 products while Silicon Power averages $0.4273/GB across 7 products on BuyPerUnit. Silicon Power offers 53% better value per gigabyte for usb flash drives.

SanDisk

Avg $/GB$0.9146

Best $/GB$0.1289

Price Range$0.1289 – $49.9375

Products278

Cheapest Product

SANDISK 256GB Ultra Flair USB 3.0 Flash Drive, SDCZ73-256G-G46,Gray

256GB · $32.99 · newegg

Silicon Power

Better Value

Avg $/GB$0.4273

Best $/GB$0.2421

Price Range$0.2421 – $0.6872

Products7

Cheapest Product

Silicon Power 128GB Blaze B30 USB 3.0 Flash Drive (SP128GBUF3B30V1K)

128GB · $30.99 · newegg

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	SanDisk	SANDISK 256GB Ultra Flair USB 3.0 Flash Drive, SDCZ73-256G-G46,Gray	256GB	$0.1289	$32.99	newegg
1	Silicon Power	Silicon Power 128GB Blaze B30 USB 3.0 Flash Drive (SP128GBUF3B30V1K)	128GB	$0.2421	$30.99	newegg
2	SanDisk	SanDisk Creator Series 512GB USB-C 3.2 Gen 1 Flash Drive #SDCZ75C-512G-G46	512GB	$0.1328	$67.99	newegg
2	Silicon Power	256GB Silicon Power B30 Blaze USB3.0 Flash Drive Swivel Style Black	256GB	$0.2421	$61.99	newegg
3	SanDisk	SanDisk 128GB Cruzer BLADE USB Thumb Flash Memory Pen Drive SDCZ50-128G-B35	128GB	$0.1434	$18.35	newegg
3	Silicon Power	Silicon Power 128GB Jewel J80 USB 3.0 Flash Drive	128GB	$0.3202	$40.99	newegg
4	SanDisk	SanDisk Cruzer Blade 128 GB USB 2.0 Flash Drive	128GB	$0.1434	$18.35	newegg
4	Silicon Power	Silicon Power 64GB Jewel J06 USB 3.0 Flash Drive (SP064GBUF3J06V1D)	64GB	$0.4061	$25.99	newegg
5	SanDisk	SanDisk 512GB Ultra CZ48 USB 3.0 Flash Drive, Speed Up to 130MB/s (SDCZ48-512G-G46)	512GB	$0.1445	$74.00	newegg
5	Silicon Power	Silicon Power 64GB Jewel J80 USB 3.0 Flash Drive (SP064GBUF3J80V1T)	64GB	$0.4061	$25.99	newegg

Which Should You Buy?

Based on current pricing data, Silicon Power offers better overall value for usb flash drives at an average of $0.4273/GB compared to SanDisk's $0.9146/GB — that's roughly 53% less per gigabyte.

Silicon Power's best deal is the Silicon Power 128GB Blaze B30 USB 3.0 Flash Drive (SP128GBUF3B30V1K) (128GB) at $0.2421/GB, while SanDisk's cheapest option is the SANDISK 256GB Ultra Flair USB 3.0 Flash Drive, SDCZ73-256G-G46,Gray (256GB) at $0.1289/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 Silicon Power cheaper per GB for usb flash drives?

As of June 2026, Silicon Power averages $0.4273/GB compared to SanDisk at $0.9146/GB. Silicon Power is approximately 53% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 278 SanDisk products and 7 Silicon Power 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 256GB Ultra Flair USB 3.0 Flash Drive, SDCZ73-256G-G46,Gray at $0.1289/GB ($32.99 for 256GB).

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

The cheapest Silicon Power option is the Silicon Power 128GB Blaze B30 USB 3.0 Flash Drive (SP128GBUF3B30V1K) at $0.2421/GB ($30.99 for 128GB).

Explore More

All USB Flash Drives SanDisk USB Flash Drives Silicon Power USB Flash Drives

View all USB Flash Drives