SanDisk vs Silicon Power USB Flash Drives

Side-by-side price per gigabyte comparison across 355 products.

As of July 2026, SanDisk averages $0.8465/GB across 341 products while Silicon Power averages $0.4701/GB across 14 products on BuyPerUnit. Silicon Power offers 44% better value per gigabyte for usb flash drives.

SanDisk

Avg $/GB$0.8465

Best $/GB$0.1434

Price Range$0.1434 – $49.9375

Products341

Cheapest Product

SanDisk 128GB Cruzer BLADE USB Thumb Flash Memory Pen Drive SDCZ50-128G-B35

128GB · $18.35 · newegg

Silicon Power

Better Value

Avg $/GB$0.4701

Best $/GB$0.2382

Price Range$0.2382 – $1.0309

Products14

Cheapest Product

256GB Silicon Power B30 Blaze USB3.0 Flash Drive Swivel Style Black

256GB · $60.99 · newegg

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	SanDisk	SanDisk 128GB Cruzer BLADE USB Thumb Flash Memory Pen Drive SDCZ50-128G-B35	128GB	$0.1434	$18.35	newegg
1	Silicon Power	256GB Silicon Power B30 Blaze USB3.0 Flash Drive Swivel Style Black	256GB	$0.2382	$60.99	newegg
2	SanDisk	SanDisk 128GB Cruzer 128G Blade SDCZ50 USB 2.0 SDCZ50-128G Flash Pen Drive CZ50 with USB Lanyard	128GB	$0.1434	$18.35	newegg
2	Silicon Power	Silicon Power 128GB Blaze B30 USB 3.0 Flash Drive (SP128GBUF3B30V1K)	128GB	$0.2421	$30.99	newegg
3	SanDisk	SanDisk Cruzer Blade 128 GB USB 2.0 Flash Drive	128GB	$0.1434	$18.35	newegg
3	Silicon Power	Silicon Power 64GB Blaze B30 USB 3.0 Flash Drive (SP064GBUF3B30V1K)	64GB	$0.3077	$19.69	newegg
4	SanDisk	SANDISK 512GB Ultra USB 3.0 Flash Drive - SDCZ48-512G-G46, Black	512 GB	$0.1465	$74.99	amazon
4	Silicon Power	Silicon Power 128GB Jewel J80 USB 3.0 Flash Drive	128GB	$0.3124	$39.99	newegg
5	SanDisk	SanDisk Ultra Eco 512GB USB 3.2 Gen 1 Type-A Flash Drive #SDCZ96-512G-A46	512GB	$0.1465	$74.99	newegg
5	Silicon Power	Silicon Power Ultima U03 64GB USB 2.0 Flash Drive	64GB	$0.3436	$21.99	newegg

Which Should You Buy?

Based on current pricing data, Silicon Power offers better overall value for usb flash drives at an average of $0.4701/GB compared to SanDisk's $0.8465/GB — that's roughly 44% less per gigabyte.

Silicon Power's best deal is the 256GB Silicon Power B30 Blaze USB3.0 Flash Drive Swivel Style Black (256GB) at $0.2382/GB, while SanDisk's cheapest option is the SanDisk 128GB Cruzer BLADE USB Thumb Flash Memory Pen Drive SDCZ50-128G-B35 (128GB) at $0.1434/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 July 2026, Silicon Power averages $0.4701/GB compared to SanDisk at $0.8465/GB. Silicon Power is approximately 44% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 341 SanDisk products and 14 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 128GB Cruzer BLADE USB Thumb Flash Memory Pen Drive SDCZ50-128G-B35 at $0.1434/GB ($18.35 for 128GB).

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).

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