ADATA vs Western Digital Hard Drives (HDD)

Side-by-side price per gigabyte comparison across 80 products.

As of May 2026, ADATA averages $0.0993/GB across 3 products while Western Digital averages $0.0667/GB across 77 products on BuyPerUnit. Western Digital offers 33% better value per gigabyte for hard drives (hdd).

ADATA

Avg $/GB$0.0993

Best $/GB$0.0360

Price Range$0.0360 – $0.1881

Products3

Cheapest Product

ADATA HD710 Pro 5TB External Hard Drive (AHD710P-5TU31-CBK)

5 TB · $179.99 · amazon

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	ADATA	ADATA HD710 Pro 5TB External Hard Drive (AHD710P-5TU31-CBK)	5 TB	$0.0360	$179.99	amazon
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	ADATA	ADATA HD710 Pro - 2 TB External Hard Drive - Shockproof, Waterproof & Dustproof - Durable Storage - For Gamers, Students & Professionals - Mac, PC & Linux Compatible - Black - AHD710P-2TU31-CBK	2 TB	$0.0737	$147.39	amazon
2	Western Digital	WD - easystore 20TB External USB 3.0 Hard Drive - Black	20 TB	$0.0280	$559.99	bestbuy
3	ADATA	ADATA SC735 External SSD - 2TB USB 3.2 Gen2 Portable Solid State Drive for Gaming & High Speed Data Transfer - Up to 1050/1000MB/s - MIL-STD Drop Resistant - Black/Grey - 1 Count	2 TB	$0.1881	$376.12	amazon
3	Western Digital	WD - easystore 18TB External USB 3.0 Hard Drive - Black	18 TB	$0.0283	$509.99	bestbuy
4	Western Digital	Western Digital 14TB Elements Desktop External Hard Drive - USB 3.0	14 TB	$0.0284	$396.99	amazon
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 ADATA's $0.0993/GB — that's roughly 33% 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 ADATA's cheapest option is the ADATA HD710 Pro 5TB External Hard Drive (AHD710P-5TU31-CBK) (5 TB) at $0.0360/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 ADATA or Western Digital cheaper per GB for hard drives (hdd)?

As of May 2026, Western Digital averages $0.0667/GB compared to ADATA at $0.0993/GB. Western Digital is approximately 33% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 3 ADATA products and 77 Western Digital products in the hard drives (hdd) category, all ranked by price per gigabyte.

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

The cheapest ADATA option is the ADATA HD710 Pro 5TB External Hard Drive (AHD710P-5TU31-CBK) at $0.0360/GB ($179.99 for 5 TB).

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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