Samsung P9 Express 512GB microSD Express Card vs SanDisk 512GB microSD Express Card
Specs compared
| Spec | Samsung P9 Express 512GB microSD Express Card | SanDisk 512GB microSD Express Card |
|---|---|---|
| Capacity | 512GB | 512GB |
| Interface | microSD Express | microSD Express |
| Form Factor | microSD | microSD |
| Read Speed | 800 MB/s | 800 MB/s |
| Write Speed | — | — |
| Endurance | — | — |
| Warranty | 10 years | 10 years |
| Value Score | 75.0 | 75.4 |
| Price / TB | $292.95/TB | $253.89/TB |
| Current Price | $149.99 | $129.99 |
Our verdict
SanDisk 512GB microSD Express Card slightly wins our Value Score comparison (75.4 vs 75.0), making it the better-value memory cards at current Amazon prices. It is also the cheaper option right now at $129.99 vs $149.99. Value Score is calculated daily from price, price per TB, read speed, endurance TBW, and warranty — so rankings shift as prices change. Check back to see if today's winner still leads.
Value Score combines price per TB (35%), speed (25%), endurance (20%), warranty (10%), and reviews (10%). Updated daily from Amazon.