The SanDisk Extreme microSDXC UHS-I card is made for 4K UHD video on smartphones, action cameras and drones. It is rated UHS Speed Class 3, Video Speed Class 30 and A2, and includes an SD adapter.

Read and write speeds change with capacity. The 256GB and larger cards read at up to 190MB/s and write at up to 130MB/s. The 128GB card writes at up to 90MB/s and the 64GB card reads at up to 170MB/s and writes at up to 80MB/s. SanDisk lists a lifetime limited warranty. 1GB = 1,000,000,000 bytes, so usable space is less than the stated capacity.

Key Features

• Read speed: Up to 190MB/s on 128GB and larger, 170MB/s on 64GB.
• Write speed: 130MB/s on 256GB to 1TB, 90MB/s on 128GB, 80MB/s on 64GB.
• Video ratings: Class 10, U3 and V30 for 4K UHD and Full HD recording.
• App performance: A2 rating on 64GB and larger cards for faster app loading.
• Built tough: Temperature, water, shock and X-ray proof (card only).
• Adapter included: SD adapter for full-size SD devices.

Specifications

Frequently Asked Questions

Is the write speed 130MB/s on every size?
No. 130MB/s applies to 256GB to 1TB. The 128GB card writes at up to 90MB/s and the 64GB card at up to 80MB/s.

What read speed does the 64GB card have?
Up to 170MB/s. The 128GB and larger cards read at up to 190MB/s.

Do I need a special reader for these speeds?
Speeds beyond 104MB/s need a compatible device or reader, such as the SanDisk Professional PRO-READER, sold separately.

Is it good for 4K video?
It is rated U3 and V30 for 4K UHD recording on compatible devices.

Is this genuine SanDisk?
100% genuine, lifetime limited warranty-backed, delivered across India.

Shipping & Delivery

We aim to deliver your order quickly and safely across India.

• Orders are usually processed within 24–48 hours (excluding Sundays & holidays)
• Once shipped, delivery typically takes 2–7 business days, depending on your location
• You will receive a tracking link via SMS/email once your order is dispatched
  

Shipping Charges

• Shipping charges (if applicable) will be displayed at checkout
• Free shipping may be available on select products or order values
  

Order Tracking

• Track your order anytime using the link shared after dispatch
• For any assistance, feel free to contact our support team
  

Important Notes

• Delivery timelines may vary due to courier delays, weather, or unforeseen circumstances
• Ensure your address and contact details are accurate to avoid delays
• We currently ship only within India

Easy 7-Day Support

We offer 7-day support from the date of delivery in case of:

• Damaged product on arrival
• Manufacturing defects
• Incorrect item received
  

Conditions for Return/Replacement

To be eligible:

• Product must be unused and in original condition
• Must include original packaging, accessories, and invoice
• Issue must be reported within 7 days of delivery
  

Non-Returnable Items

• Used or physically damaged products
• Products without original packaging
• Items damaged due to misuse
  

How to Request

• Contact us via email or phone with your order ID and issue details
• Share images/videos if required for faster resolution
• Our team will guide you through the next steps
  

Refunds (if applicable)

• Refunds are processed after product inspection
• Amount will be credited to the original payment method within 5–7 business days