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Small black microSD card with red label and full-size SD adapter

SanDisk

SanDisk SDSQQNR-512G-GN6IA 512GB High Endurance microSDXC memory card

SKU CH-KJ5G-WEC08 MPN SDSQQNR-512G-GN6IA

High Endurance microSDXC card rated for 20,000 hours of continuous 4K recording in dash cams and home monitoring systems

  • Total capacity512 GB
  • Memory card formatMicroSD
  • Speed classUHS-I / U3 / Class 10 / V30
  • Max read speed100 MB/s
  • Write throughput40 MB/s
  • Product typeMicroSDXC

Capacity 512GB HIGH ENDURANCE

  • Record up to 20,000 hours of continuous video with high-endurance design
  • Capture 4K UHD footage reliably with U3 and V30 speed ratings
  • Transfer files quickly with read speeds up to 100MB/s
  • Store extensive recordings on 512GB capacity with microSDXC format
  • Survive harsh environments with temperature-proof, waterproof, shockproof and x-ray-proof build

High Endurance microSDXC for continuous recording

The SanDisk SDSQQNR-512G-GN6IA is a 512GB microSDXC card built for dash cams and home monitoring systems. It carries UHS-I, U3, Class 10 and V30 ratings to sustain constant video capture. The High Endurance series targets users who need reliable long-term recording.

512GB capacity with V30 sustained write speed

The card offers 512GB of storage for Full HD and 4K footage. Sequential write speed reaches 40MB/s, meeting the V30 minimum for continuous recording. Read speed peaks at 100MB/s for faster offloads. The spec sheet notes capacities up to 256GB for 4K, so 512GB provides additional headroom.

Temperature-proof, waterproof.

The card is built for harsh conditions and tested for temperature, water, shock and x-ray resistance. A full-size SD adapter is included for use in standard card slots. Designed for up to 20000 hours of worry-free recording in compatible devices.

How it compares

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

Price $102.99
Pricier than about 73% 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 $201.15 per TB
Cheaper than about 80% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Product lineHigh Endurance
Model nameSDSQQNR-512G-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
Size & build
Shipping weight0.23 kg
Package size152 × 102 × 1 mm

Other versions of this model

5 more in the same range

Questions about this item

Will the U3 and V30 ratings on this 512GB card work reliably with my older dash cam that only specifies Class 10?

Yes, the card carries Class 10, U3 and V30 ratings, so it meets and exceeds the Class 10 requirement of older dash cams while providing sustained write performance for continuous recording.

How can I verify the card is delivering the advertised 100MB/s read and 40MB/s write speeds after I install it?

Run a benchmark tool such as CrystalDiskMark or the SanDisk RescuePRO utility on a PC using the included adapter; sequential read should approach 100MB/s and sequential write should approach 40MB/s on a UHS-I interface.

Does the package include the microSD-to-SD adapter, or do I need to buy one separately for my laptop slot?

The supplier title confirms a microSD-to-SD adapter is included, so you can insert the card directly into a full-size SD slot without an extra purchase.

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