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SanDisk 128GB CompactFlash card black rectangular label

SanDisk

SanDisk SDCFXS-128G-A46 128GB Compact Flash memory card

SKU CH-Z4N6-Q4WAS MPN SDCFXS-128G-A46

128 GB Compact Flash card delivering up to 120 MB/s read and 60 MB/s write with VPG-20 for sustained 20 MB/s video capture

  • Total capacity128 GB
  • Product typeCompact Flash (CF)
  • Key featuresUp to 60 MB/s write speed for premium shot-to-shot performan

Capacity 128GB

  • 128GB capacity stores thousands of RAW images
  • Up to 120MB/s read speed accelerates file transfers
  • 60MB/s write speed enables rapid burst shooting
  • VPG-20 rating guarantees sustained 20MB/s video recording
  • Designed for HD camcorders and advanced DSLR cameras

128GB Compact Flash card for HD camcorders and DSLRs

The SanDisk SDCFXS-128G-A46 provides 128GB of Compact Flash storage designed for HD camcorders and mid-range to high-end DSLR cameras. It delivers up to 60MB/s write speed for premium shot-to-shot performance and is VPG-20 enabled for sustained 20MB/s video recording. This card suits photographers and videographers needing reliable high-capacity media. It is not suited for devices requiring CFexpress or SD card formats.

Thermals, noise and power draw

As a solid-state memory card with no moving parts, the unit operates silently and generates negligible heat during normal read and write cycles. Power consumption scales with data transfer activity and remains minimal compared to mechanical storage. No active cooling or specific thermal management is required for typical camera workflows. The card draws power directly from the host device slot.

Bundled accessories and software impact

The product is supplied as the memory card only; no additional accessories, adapters or proprietary software utilities are included in the package. Users gain the stated 120MB/s read and 60MB/s write performance immediately upon insertion into a compatible Compact Flash slot. There are no firmware tools or recovery applications bundled that alter the card's core operation or speed ratings.

How it compares

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

Price $127.99
Pricier than about 78% 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 $999.92 per TB
Pricier than about 84% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSanDisk
Model nameSDCFXS-128G-A46
Total capacity128 GB
Product typeCompact Flash (CF)
Size & build
Shipping weight0.01 kg
Package size152 × 102 × 9 mm

Other versions of this model

2 more in the same range

Questions about this item

How do I install the SDCFXS-128G-A46 card in my camera, and what step do people often get wrong?

Insert the 128GB Compact Flash card into the camera's CF slot with the label facing the correct direction until it clicks; the step people miss is formatting the card in the camera menu before first use to ensure the file system matches the device.

What maintenance or replacement will the SDCFXS-128G-A46 need over time?

No scheduled maintenance is required; replace the card if write errors appear or if sustained video recording drops below the VPG-20 guaranteed 20MB/s rate, which indicates NAND wear after heavy use.

What limit appears first when recording video continuously on the SDCFXS-128G-A46?

The VPG-20 rating guarantees a minimum sustained write speed of 20MB/s; if the camera's bitrate exceeds this, recording will stop or drop frames before the 120MB/s read or 60MB/s write peaks are reached.

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