Amazon Basics vs SanDisk SD Cards

Side-by-side price per gigabyte comparison across 257 products.

As of March 2026, Amazon Basics averages $0.1839/GB across 4 products while SanDisk averages $0.8155/GB across 253 products on BuyPerUnit. Amazon Basics offers 77% better value per gigabyte for sd cards.

Amazon Basics

Better Value

Avg $/GB$0.1839

Best $/GB$0.1555

Price Range$0.1555 – $0.2030

Products4

Cheapest Product

Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black

128 GB · $19.91 · amazon

SanDisk

Avg $/GB$0.8155

Best $/GB$0.1102

Price Range$0.1102 – $41.0930

Products253

Cheapest Product

SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA

256 GB · $28.20 · amazon

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	Amazon Basics	Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black	128 GB	$0.1555	$19.91	amazon
1	SanDisk	SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA	256 GB	$0.1102	$28.20	amazon
2	Amazon Basics	Amazon Basics 1TB microSDXC Card with Adapter for Smartphones, Full HD, Tablets, Drones, Action Cameras, Read Speed Up to 200MB/s, 1-Pack	1 TB	$0.1805	$180.50	amazon
2	SanDisk	SanDisk SDSQUA4-400G-GN6MN MAT 400GB 8pin microSDXC r120MB/s C10 U1 A1 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail	400GB	$0.1209	$48.35	newegg
3	Amazon Basics	Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256GB, Black	256 GB	$0.1966	$50.33	amazon
3	SanDisk	SANDISK - Ultra PLUS 1.5TB microSDXC UHS-I Memory Card	1.5 TB	$0.1293	$193.99	bestbuy
4	Amazon Basics	Amazon Basics 128GB microSDXC Memory Card with Adapter for Smartphones, Drones, Cameras, Full HD, Read Speed Up to 200MB/s, 1-Pack	128 GB	$0.2030	$25.99	amazon
4	SanDisk	SanDisk SDSDUNR-256G-GN3IN DHE 256GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail	256GB	$0.1313	$33.60	newegg
5	SanDisk	SanDisk Ultra Plus 128GB SDXC UHS-I Memory Card	128 GB	$0.1395	$17.85	amazon

Which Should You Buy?

Based on current pricing data, Amazon Basics offers better overall value for sd cards at an average of $0.1839/GB compared to SanDisk's $0.8155/GB — that's roughly 77% less per gigabyte.

Amazon Basics's best deal is the Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black (128 GB) at $0.1555/GB, while SanDisk's cheapest option is the SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA (256 GB) at $0.1102/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 Amazon Basics or SanDisk cheaper per GB for sd cards?

As of March 2026, Amazon Basics averages $0.1839/GB compared to SanDisk at $0.8155/GB. Amazon Basics is approximately 77% cheaper per gigabyte on average.

How many Amazon Basics and SanDisk sd cards does BuyPerUnit track?

BuyPerUnit currently tracks 4 Amazon Basics products and 253 SanDisk products in the sd cards category, all ranked by price per gigabyte.

What is the cheapest Amazon Basics sd card per GB?

The cheapest Amazon Basics option is the Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black at $0.1555/GB ($19.91 for 128 GB).

What is the cheapest SanDisk sd card per GB?

The cheapest SanDisk option is the SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA at $0.1102/GB ($28.20 for 256 GB).

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