SanDisk vs Western Digital Hard Drives (HDD)

Side-by-side price per gigabyte comparison across 134 products.

As of May 2026, SanDisk averages $0.9885/GB across 57 products while Western Digital averages $0.0667/GB across 77 products on BuyPerUnit. Western Digital offers 93% better value per gigabyte for hard drives (hdd).

SanDisk

Avg $/GB$0.9885

Best $/GB$0.2030

Price Range$0.2030 – $22.6555

Products57

Cheapest Product

SANDISK - Cruzer Glide 128GB USB 2.0 Flash Drive - Black

128 GB · $25.99 · bestbuy

Western Digital

Better Value

Avg $/GB$0.0667

Best $/GB$0.0267

Price Range$0.0267 – $1.2000

Products77

Cheapest Product

WD - D10 Game Drive for Xbox 12TB External USB 3.2 Gen 1 Portable Hard Drive - Black

12 TB · $319.99 · bestbuy

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	SanDisk	SANDISK - Cruzer Glide 128GB USB 2.0 Flash Drive - Black	128 GB	$0.2030	$25.99	bestbuy
1	Western Digital	WD - D10 Game Drive for Xbox 12TB External USB 3.2 Gen 1 Portable Hard Drive - Black	12 TB	$0.0267	$319.99	bestbuy
2	SanDisk	SANDISK 2TB Extreme Portable SSD (New Model) - up to 2000MB/s Transfer speeds - USB Type-C connectivity, Reliable Durability - Black - SDSSDE70-2T00-G25	2 TB	$0.2300	$459.99	amazon
2	Western Digital	WD - easystore 20TB External USB 3.0 Hard Drive - Black	20 TB	$0.0280	$559.99	bestbuy
3	SanDisk	SANDISK 4TB Extreme Portable SSD (New Model) - up to 2000MB/s Transfer speeds - USB Type-C connectivity, Reliable Durability - Black - SDSSDE70-4T00-G25	4 TB	$0.2300	$919.99	amazon
3	Western Digital	WD - easystore 18TB External USB 3.0 Hard Drive - Black	18 TB	$0.0283	$509.99	bestbuy
4	SanDisk	SANDISK - Extreme PLUS 1TB microSDXC UHS-I Memory Card	1 TB	$0.2400	$239.99	bestbuy
4	Western Digital	Western Digital 14TB Elements Desktop External Hard Drive - USB 3.0	14 TB	$0.0284	$396.99	amazon
5	SanDisk	SanDisk Extreme 512GB Secure Digital Extended Capacity (SDXC) Flash Card Model SDSDXVV-512G-GNCIN	512GB	$0.2402	$122.99	newegg
5	Western Digital	Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ	12 TB	$0.0287	$344.15	amazon

Which Should You Buy?

Based on current pricing data, Western Digital offers better overall value for hard drives (hdd) at an average of $0.0667/GB compared to SanDisk's $0.9885/GB — that's roughly 93% less per gigabyte.

Western Digital's best deal is the WD - D10 Game Drive for Xbox 12TB External USB 3.2 Gen 1 Portable Hard Drive - Black (12 TB) at $0.0267/GB, while SanDisk's cheapest option is the SANDISK - Cruzer Glide 128GB USB 2.0 Flash Drive - Black (128 GB) at $0.2030/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 Western Digital cheaper per GB for hard drives (hdd)?

As of May 2026, Western Digital averages $0.0667/GB compared to SanDisk at $0.9885/GB. Western Digital is approximately 93% cheaper per gigabyte on average.

How many SanDisk and Western Digital hard drives (hdd) does BuyPerUnit track?

BuyPerUnit currently tracks 57 SanDisk products and 77 Western Digital products in the hard drives (hdd) category, all ranked by price per gigabyte.

What is the cheapest SanDisk hard drives (hdd) per GB?

The cheapest SanDisk option is the SANDISK - Cruzer Glide 128GB USB 2.0 Flash Drive - Black at $0.2030/GB ($25.99 for 128 GB).

What is the cheapest Western Digital hard drives (hdd) per GB?

The cheapest Western Digital option is the WD - D10 Game Drive for Xbox 12TB External USB 3.2 Gen 1 Portable Hard Drive - Black at $0.0267/GB ($319.99 for 12 TB).

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