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Lexar 128GB SDXC card, full-size, black and silver finish

Lexar

Lexar 128GB SDXC 2000x UHS-II U3 V90 CYU memory card

SKU CH-X22E-5MJP7

A full-size SDXC card with 128 GB capacity, UHS-II U3 V90 ratings and read speeds up to 300 MB/s for 4K professional video

  • Total capacity128 GB
  • Memory card formatFull Size SD
  • Speed classClass 10
  • Product typeSecure Digital Extended Capacity (SDXC)
  • 128 GB capacity stores hours of 4K footage
  • 300 MB/s read speed transfers large files quickly
  • 260 MB/s write speed sustains high-bitrate recording
  • UHS-II U3 V90 rating guarantees professional video performance
  • Includes SD reader for immediate offload to computer

Lexar 128GB SDXC UHS-II V90 Card

This Lexar Professional SDXC card provides 128GB of storage for photographers and videographers capturing high-resolution images and 4K video. It carries UHS-II U3 and V90 speed class ratings to sustain the write performance demanded by professional camera workflows. The full-size SD form factor fits standard slots in mirrorless, DSLR and cinema cameras.

Installation And Compatibility

Insert the card into any SDXC-compatible UHS-II slot; the interface is backwards compatible with UHS-I devices at reduced speed. A mechanical write-protect switch on the casing prevents accidental data loss during handling. Performance drops to UHS-I limits if the host device lacks UHS-II support, so verify your camera specifications before critical shoots.

Capacity And Speed Headroom

Rated read speeds reach 300MB/s and write speeds up to 260MB/s, allowing extended 4K recording sessions and rapid buffer clearing for burst photography. The 128GB capacity holds thousands of RAW files or hours of high-bitrate footage before offload is required. Sustained V90 performance guarantees minimum 90MB/s write throughput for uninterrupted capture.

How it compares

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

Price $150.99
Pricier than about 81% of the 1,947 comparable items (median $46.99).
Total capacity 128 GB
Higher than about 60% of the 1,132 comparable items (median 64 GB).
Price per TB $1,179.61 per TB
Pricier than about 87% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameLexar
Total capacity128 GB
Product typeSecure Digital Extended Capacity (SDXC)
Performance
Speed classClass 10
Storage
Memory card formatFull Size SD

Questions about this item

How do I confirm the card is delivering the advertised 300 MB/s read and 260 MB/s write speeds after setup?

Run a benchmark tool such as CrystalDiskMark or Blackmagic Disk Speed Test on a UHS-II reader; sustained sequential results near 300 MB/s read and 260 MB/s write indicate the card is performing as specified.

Does the package include the SD reader mentioned in the title or must I buy one separately?

The CYU bundle includes a Lexar USB 3.0 SD reader; no separate reader purchase is required for full UHS-II speed.

Should I choose the 128 GB 2000x V90 card or a lower-capacity version for 4K video work?

The 128 GB capacity combined with V90 and U3 ratings guarantees sustained 90 MB/s write for 4K recording; smaller capacities with the same speed class offer less recording time.

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