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Red microSDXC card with full-size SD adapter

SanDisk

SanDisk High Endurance microSDXC 512GB U3 V30 100MB/s 40MB/s memory card

SKU CH-24VY-4J6Z1

High endurance microSDXC card records up to 20,000 hours of Full HD or 4K video with 100MB/s read and 40MB/s write speeds

  • Total capacity512 GB
  • Memory card formatMicroSD
  • Speed classUHS-I / U3 / Class 10 / V30
  • Max read speed100 MB/s
  • Write throughput40 MB/s
  • Product typeMicroSDXC
  • Built for dash cams and home monitoring systems
  • Records up to 20,000 hours of video without worry
  • Withstands harsh conditions: temperature-proof, waterproof, shockproof, x-ray-proof
  • Captures Full HD 1920x1080 and 4K UHD 3840x2160 footage
  • Transfers files quickly with read speeds up to 100MB/s

High Endurance microSDXC 512GB

This SanDisk High Endurance microSDXC card provides 512GB of storage for continuous video recording. It carries UHS-I, U3, V30 and Class 10 ratings with read speeds up to 100MB/s and write speeds up to 40MB/s. The card is temperature-proof, waterproof, shockproof and x-ray-proof. An SD adapter is included for use in standard slots.

Suited for dash cams and home monitoring

Designed for high endurance, the card supports up to 20,000 hours of recording on the 256GB capacity. It handles Full HD 1920x1080 and 4K UHD 3840x2160 video where the host device is compatible. Buyers who need higher sustained write speeds for professional cinema cameras should consider other options. The card is not intended as a primary OS boot drive.

U3 V30 write speed rating

The V30 and U3 markings guarantee a minimum sequential write speed of 30MB/s, which is the specification that determines suitability for 4K video capture. Actual write performance reaches 40MB/s. Read speeds reach 100MB/s for faster offload to a computer. Capacity is 512GB, formatted as 1,000,000,000 bytes per GB with actual user storage less.

How it compares

Measured against everything we stock in SD & MicroSD Memory Cards, at today’s prices. Recalculated every night.

Price $106.99
Pricier than about 74% of the 1,947 comparable items (median $46.99).
Total capacity 512 GB
Higher than about 90% of the 1,132 comparable items (median 64 GB).
Price per TB $208.96 per TB
Cheaper than about 79% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Product lineHigh Endurance
Model nameSDSQQNR-256G-GN6IA
Total capacity512 GB
Product typeMicroSDXC
Performance
Speed classUHS-I / U3 / Class 10 / V30
Max read speed100 MB/s
Write throughput40 MB/s
Storage
Memory card formatMicroSD

Questions about this item

Does my dash cam need a specific speed-class slot to use this card?

The card is rated UHS-I U3, Class 10 and V30, so the host must support at least UHS-I for the rated speeds.

Will the bundled adapter let me read the card in an older laptop that only has a full-size SD slot?

Yes, the included microSD-to-SD adapter fits any standard SDXC slot and passes the UHS-I bus through to the card.

How can I verify the card is delivering its rated performance after I install it?

Run a sequential read test on a PC; you should see up to 100 MB/s read and 40 MB/s write on a UHS-I reader.

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