SanDisk vs Tianken Hard Drives & SSDs

Side-by-side price per gigabyte comparison across 149 products.

As of March 2026, SanDisk averages $1.1888/GB across 144 products while Tianken averages $0.1071/GB across 5 products on BuyPerUnit. Tianken offers 91% better value per gigabyte for hard drives & ssds.

SanDisk

Avg $/GB$1.1888

Best $/GB$0.0925

Price Range$0.0925 – $47.8109

Products144

Cheapest Product

SANDISK - 8TB Desk Drive USB Type-C Desktop External SSD - Black

8 TB · $739.99 · bestbuy

Tianken

Better Value

Avg $/GB$0.1071

Best $/GB$0.0630

Price Range$0.0630 – $0.1749

Products5

Cheapest Product

Tianken Ultra Slim Portable External Hard Drive USB 3.0 HDD Storage for PC, Laptop, Mac, Xbox one, PS4, PS5 (1TB)

1 TB · $62.99 · amazon

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	SanDisk	SANDISK - 8TB Desk Drive USB Type-C Desktop External SSD - Black	8 TB	$0.0925	$739.99	bestbuy
1	Tianken	Tianken Ultra Slim Portable External Hard Drive USB 3.0 HDD Storage for PC, Laptop, Mac, Xbox one, PS4, PS5 (1TB)	1 TB	$0.0630	$62.99	amazon
2	SanDisk	SANDISK - Extreme Portable 4TB External USB-C NVMe SSD - Black	4 TB	$0.1125	$449.99	bestbuy
2	Tianken	Tianken Ultra Slim Portable External Hard Drive USB 3.1 Type C HDD Storage for PC, Mac, Laptop, PS4, Xbox one (1TB)	1 TB	$0.0640	$63.99	amazon
3	SanDisk	SanDisk 4TB Extreme Portable SSD - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE61-4T00-G25	4 TB	$0.1125	$449.99	amazon
3	Tianken	Tianken 250GB Ultra Slim Portable External Hard Drive 2.5'' HDD USB 3.1 Type-C Storage for PC, Mac, Laptop	250 GB	$0.0960	$23.99	amazon
4	SanDisk	SANDISK - 2TB Creator Phone SSD External USB Type C Drive with Magsafe Compatibility for iPhone 15/16 - Blue	2 TB	$0.1150	$229.99	bestbuy
4	Tianken	Tianken 160GB Ultra Slim Portable External Hard Drive USB 3.1 Type C HDD Storage for PC, Mac, Laptop, PS4, Xbox one	160 GB	$0.1374	$21.99	amazon
5	SanDisk	SanDisk 2TB Portable SSD - Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware - External Solid State Drive - SDSSDE30-2T00-G26	2 TB	$0.1163	$232.57	amazon
5	Tianken	Tianken 120GB Ultra Slim Portable External Hard Drive USB 3.1 Type C HDD Storage for PC, Mac, Laptop, PS4, Xbox one	120 GB	$0.1749	$20.99	amazon

Which Should You Buy?

Based on current pricing data, Tianken offers better overall value for hard drives & ssds at an average of $0.1071/GB compared to SanDisk's $1.1888/GB — that's roughly 91% less per gigabyte.

Tianken's best deal is the Tianken Ultra Slim Portable External Hard Drive USB 3.0 HDD Storage for PC, Laptop, Mac, Xbox one, PS4, PS5 (1TB) (1 TB) at $0.0630/GB, while SanDisk's cheapest option is the SANDISK - 8TB Desk Drive USB Type-C Desktop External SSD - Black (8 TB) at $0.0925/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 Tianken cheaper per GB for hard drives & ssds?

As of March 2026, Tianken averages $0.1071/GB compared to SanDisk at $1.1888/GB. Tianken is approximately 91% cheaper per gigabyte on average.

How many SanDisk and Tianken hard drives & ssds does BuyPerUnit track?

BuyPerUnit currently tracks 144 SanDisk products and 5 Tianken products in the hard drives & ssds category, all ranked by price per gigabyte.

What is the cheapest SanDisk hard drives & ssd per GB?

The cheapest SanDisk option is the SANDISK - 8TB Desk Drive USB Type-C Desktop External SSD - Black at $0.0925/GB ($739.99 for 8 TB).

What is the cheapest Tianken hard drives & ssd per GB?

The cheapest Tianken option is the Tianken Ultra Slim Portable External Hard Drive USB 3.0 HDD Storage for PC, Laptop, Mac, Xbox one, PS4, PS5 (1TB) at $0.0630/GB ($62.99 for 1 TB).

Explore More

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