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Blue full-size SDXC memory card with red label and white text

SanDisk

SanDisk SDSDUN4-128G-GN6IN 128GB Ultra SDXC UHS-I Class 10 memory card

SKU CH-WTJG-T6ZKT MPN SDSDUN4-128G-GN6IN

A 128GB SDXC card rated UHS-I U1 and Class 10 for Full HD video with read speeds up to 120MB/s

  • Total capacity128 GB
  • Memory card formatFull Size SD
  • Speed classUHS-I / U1 / Class 10
  • Max read speed120 MB/s
  • Product typeSecure Digital Extended Capacity (SDXC)

Capacity 128GB

  • 128GB capacity stores thousands of photos and Full HD videos
  • Read speeds up to 120MB/s move large files to your computer quickly
  • UHS-I U1 Class 10 rating guarantees smooth 1080p video recording
  • Full-size SDXC format fits standard slots in cameras and laptops
  • New SanDisk Ultra series card built for compact and mid-range point-and-shoot cameras

Ready for compact cameras

This 128GB SanDisk Ultra SDXC card is built for compact to mid-range point-and-shoot cameras that use full-size SD media. It carries UHS-I, U1 and Class 10 ratings with read speeds up to 120MB/s. The capacity suits day-to-day photo and Full HD 1080p video capture.

Not for high-bitrate workflows

Photographers who need sustained write performance for 4K video or higher video speed classes should look elsewhere. The card targets standard Full HD recording and general backup use rather than demanding continuous capture.

UHS-I U1 Class 10 rating

The single specification that decides fit is the UHS-I U1 Class 10 speed rating, which guarantees minimum write performance for Full HD video. Check your device manual to confirm this class meets its requirements.

How it compares

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

Price $16.99
Cheaper than about 84% 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 $132.73 per TB
Cheaper than about 92% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Product lineUltra
Model nameSDSDUN4-128G-GN6IN
Total capacity128 GB
Product typeSecure Digital Extended Capacity (SDXC)
Performance
Speed classUHS-I / U1 / Class 10
Max read speed120 MB/s
Storage
Memory card formatFull Size SD
Size & build
Shipping weight0.01 kg
Package size152 × 102 × 5 mm

Other versions of this model

4 more in the same range

Questions about this item

Will the 120MB/s read speed of this SDXC card work with my older camera that only supports standard SDHC cards?

This is an SDXC card, so it requires a device with an SDXC-compatible slot; an older SDHC-only camera cannot use it regardless of the UHS-I interface.

How can I confirm the card delivers the rated 120MB/s read speed after I put it in my computer?

Use a UHS-I compatible card reader and run a benchmark tool such as CrystalDiskMark; sustained sequential reads near 120MB/s show the card and reader are performing to spec.

Does the SanDisk Ultra 128GB card come with a card reader or adapter in the package?

The box contains only the SDXC memory card; a UHS-I card reader or microSD adapter must be purchased separately if your system lacks a built-in SD slot.

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