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Small rectangular microSDXC card with full-size SD adapter, matte black finish, red and white SanDisk High Endurance label

SanDisk

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

SKU CH-SDGA-JZ9BJ MPN SDSQQNR-512G-GN6IA

High Endurance microSDXC card built for continuous 4K recording in dash cams and home monitoring systems, with 100 MB/s read and 40 MB/s write speeds

  • Total capacity512 GB
  • Memory card formatMicroSD
  • Speed classClass 10
  • Max read speed100 MB/s
  • Write throughput40 MB/s
  • Product typeMicroSDXC
  • 512 GB capacity stores hours of 4K footage
  • High Endurance design withstands continuous recording cycles
  • U3 and V30 ratings guarantee sustained 4K capture
  • 100 MB/s read speed accelerates file transfers
  • Temperature, water, X-ray and drop proof protection

Designed for continuous recording

The SanDisk High Endurance microSDXC card offers 512GB of storage built for dash cams and home monitoring systems. It carries Class 10, U3 and V30 ratings to sustain 4K UHD video capture. The card delivers sequential read speeds of 100 MB/s and write speeds of 40 MB/s. An SD adapter is included for use in full-size slots.

Fits devices with a microSDXC slot

The card slides into any microSDXC compatible camera, recorder or reader and works with the supplied adapter where a standard SD card is required. Its high endurance rating allows repeated overwrite cycles without premature wear. Fast read performance reduces the time needed to offload footage to a computer. No extra power or software is needed beyond the host device.

Suits users who record video around the clock

Drivers and homeowners who need reliable, long-term loop recording will benefit from the endurance focus and 4K capability. Buyers who want more storage capacity or faster write throughput for burst photography should look at something else. The card is not intended for applications that demand maximum sequential write performance beyond 40 MB/s.

How it compares

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

Price $161.99
Pricier than about 82% 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 $316.39 per TB
Cheaper than about 57% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Product lineHigh Endurance
Model nameSDSQQNR-512G-GN6IA
Part numberSDSQQNR-512G-GN6IA
Total capacity512 GB
Product typeMicroSDXC
Performance
Speed classClass 10
Max read speed100 MB/s
Write throughput40 MB/s
Storage
Memory card formatMicroSD
Size & build
Shipping weight0.01 kg
Package size15 × 11 × 1 mm

Questions about this item

How long can the 512GB High Endurance card sustain 40 MB/s writes before the write speed drops?

The card is rated for 40 MB/s sequential write; sustained performance depends on the host device and workload.

Does the microSDXC card run hot or draw extra power during continuous 4K recording?

It is built for dash cams and home monitoring, with temperature-proof construction for all-day operation.

What host device do I need to use the 100 MB/s read speed?

A device with a UHS-I microSDXC slot that supports U3 / V30 speed classes.

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