SanDisk vs Western Digital SD Cards
Side-by-side price per gigabyte comparison across 305 products.
As of June 2026, SanDisk averages $1.1712/GB across 303 products while Western Digital averages $0.5387/GB across 2 products on BuyPerUnit. Western Digital offers 54% better value per gigabyte for sd cards.
SanDisk
Cheapest Product
SANDISK 1.5TB Ultra microSDXC UHS-I Memory Card with Adapter - Up to 150MB/s, C10, U1, Full HD, A1, MicroSD Card - SDSQUAC-1T50-GN6MA1.5 TB · $221.27 · amazon
Western Digital
Better ValueTop Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | SanDisk | SANDISK 1.5TB Ultra microSDXC UHS-I Memory Card with Adapter - Up to 150MB/s, C10, U1, Full HD, A1, MicroSD Card - SDSQUAC-1T50-GN6MA | 1.5 TB | $0.1475 | $221.27 | amazon |
| 1 | Western Digital | WD Purple WDD100T1P0C 1 TB Class 10/UHS-I U1 microSDXC | 1TB | $0.2778 | $277.84 | newegg |
| 2 | SanDisk | SanDisk Ultra 1.5 TB microSDXC MicroSD Model SDSQUAC-1T50-GN6MA | 1.5TB | $0.1600 | $239.99 | newegg |
| 2 | Western Digital | Western Digital - WDD512G1P0C - WD Purple WDD512G1P0C 512 GB Class 10/UHS-I (U1) microSDXC | 512GB | $0.7996 | $409.41 | newegg |
| 3 | SanDisk | SanDisk 256GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 100MB/s (SDSQUAR-256G-GN6MA) | 256GB | $0.1660 | $42.50 | newegg |
| 4 | SanDisk | SanDisk 1TB GamePlay microSD Card for Mobile and Handheld Console Gaming SDSQXAV-1T00-GN6XN | 1TB | $0.1738 | $173.77 | newegg |
| 5 | SanDisk | Sandisk Ultra 256GB 100MB/s Class 10 Micro SDXC Memory Card Full HD Video with SD Adapter | 256GB | $0.1757 | $44.99 | newegg |
Which Should You Buy?
Based on current pricing data, Western Digital offers better overall value for sd cards at an average of $0.5387/GB compared to SanDisk's $1.1712/GB — that's roughly 54% less per gigabyte.
Western Digital's best deal is the WD Purple WDD100T1P0C 1 TB Class 10/UHS-I U1 microSDXC (1TB) at $0.2778/GB, while SanDisk's cheapest option is the SANDISK 1.5TB Ultra microSDXC UHS-I Memory Card with Adapter - Up to 150MB/s, C10, U1, Full HD, A1, MicroSD Card - SDSQUAC-1T50-GN6MA (1.5 TB) at $0.1475/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 sd cards?
As of June 2026, Western Digital averages $0.5387/GB compared to SanDisk at $1.1712/GB. Western Digital is approximately 54% cheaper per gigabyte on average.
How many SanDisk and Western Digital sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 303 SanDisk products and 2 Western Digital products in the sd cards category, all ranked by price per gigabyte.
What is the cheapest SanDisk sd card per GB?
The cheapest SanDisk option is the SANDISK 1.5TB Ultra microSDXC UHS-I Memory Card with Adapter - Up to 150MB/s, C10, U1, Full HD, A1, MicroSD Card - SDSQUAC-1T50-GN6MA at $0.1475/GB ($221.27 for 1.5 TB).
What is the cheapest Western Digital sd card per GB?
The cheapest Western Digital option is the WD Purple WDD100T1P0C 1 TB Class 10/UHS-I U1 microSDXC at $0.2778/GB ($277.84 for 1TB).