ADATA vs SanDisk Hard Drives (HDD)

Side-by-side price per gigabyte comparison across 60 products.

As of May 2026, ADATA averages $0.0993/GB across 3 products while SanDisk averages $0.9885/GB across 57 products on BuyPerUnit. ADATA offers 90% better value per gigabyte for hard drives (hdd).

ADATA

Better Value

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

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

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	SanDisk	SANDISK - Cruzer Glide 128GB USB 2.0 Flash Drive - Black	128 GB	$0.2030	$25.99	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	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
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	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
4	SanDisk	SANDISK - Extreme PLUS 1TB microSDXC UHS-I Memory Card	1 TB	$0.2400	$239.99	bestbuy
5	SanDisk	SanDisk Extreme 512GB Secure Digital Extended Capacity (SDXC) Flash Card Model SDSDXVV-512G-GNCIN	512GB	$0.2402	$122.99	newegg

Which Should You Buy?

Based on current pricing data, ADATA offers better overall value for hard drives (hdd) at an average of $0.0993/GB compared to SanDisk's $0.9885/GB — that's roughly 90% less per gigabyte.

ADATA's best deal is the ADATA HD710 Pro 5TB External Hard Drive (AHD710P-5TU31-CBK) (5 TB) at $0.0360/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 ADATA or SanDisk cheaper per GB for hard drives (hdd)?

As of May 2026, ADATA averages $0.0993/GB compared to SanDisk at $0.9885/GB. ADATA is approximately 90% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 3 ADATA products and 57 SanDisk 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 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).

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