ADATA vs SanDisk Hard Drives (HDD)

Side-by-side price per gigabyte comparison across 43 products.

As of June 2026, ADATA averages $0.1043/GB across 3 products while SanDisk averages $0.5092/GB across 40 products on BuyPerUnit. ADATA offers 80% better value per gigabyte for hard drives (hdd).

ADATA

Better Value

Avg $/GB$0.1043

Best $/GB$0.0625

Price Range$0.0625 – $0.1881

Products3

Cheapest Product

ADATA HD710 Pro - 2 TB External Hard Drive - Shockproof, Waterproof & Dustproof - Durable Storage - For Gamers, Students & Professionals - Mac, PC & Linux Compatible - Blue - AHD710P-2TU31-CBL

2 TB · $124.91 · amazon

SanDisk

Avg $/GB$0.5092

Best $/GB$0.1094

Price Range$0.1094 – $2.0312

Products40

Cheapest Product

SANDISK - Ultra PLUS 512GB microSDXC UHS-I Memory Card

512 GB · $55.99 · bestbuy

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	ADATA	ADATA HD710 Pro - 2 TB External Hard Drive - Shockproof, Waterproof & Dustproof - Durable Storage - For Gamers, Students & Professionals - Mac, PC & Linux Compatible - Blue - AHD710P-2TU31-CBL	2 TB	$0.0625	$124.91	amazon
1	SanDisk	SANDISK - Ultra PLUS 512GB microSDXC UHS-I Memory Card	512 GB	$0.1094	$55.99	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	$0.0625	$125.00	amazon
2	SanDisk	SANDISK - Cruzer Glide 128GB USB 2.0 Flash Drive - Black	128 GB	$0.2030	$25.99	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	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	$0.2168	$433.61	amazon
4	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	$0.2250	$899.99	amazon
5	SanDisk	SanDisk - Extreme PLUS 64GB SDXC UHS-I Memory Card	64 GB	$0.2655	$16.99	bestbuy

Which Should You Buy?

Based on current pricing data, ADATA offers better overall value for hard drives (hdd) at an average of $0.1043/GB compared to SanDisk's $0.5092/GB — that's roughly 80% less per gigabyte.

ADATA's best deal is the ADATA HD710 Pro - 2 TB External Hard Drive - Shockproof, Waterproof & Dustproof - Durable Storage - For Gamers, Students & Professionals - Mac, PC & Linux Compatible - Blue - AHD710P-2TU31-CBL (2 TB) at $0.0625/GB, while SanDisk's cheapest option is the SANDISK - Ultra PLUS 512GB microSDXC UHS-I Memory Card (512 GB) at $0.1094/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 June 2026, ADATA averages $0.1043/GB compared to SanDisk at $0.5092/GB. ADATA is approximately 80% cheaper per gigabyte on average.

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

BuyPerUnit currently tracks 3 ADATA products and 40 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 - 2 TB External Hard Drive - Shockproof, Waterproof & Dustproof - Durable Storage - For Gamers, Students & Professionals - Mac, PC & Linux Compatible - Blue - AHD710P-2TU31-CBL at $0.0625/GB ($124.91 for 2 TB).

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

The cheapest SanDisk option is the SANDISK - Ultra PLUS 512GB microSDXC UHS-I Memory Card at $0.1094/GB ($55.99 for 512 GB).

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