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Rectangular CFexpress Type B card, matte black finish, 2TB capacity label

OWC

OWC Atlas Ultra 2TB CFexpress 4.0 Type B Memory Card

SKU CH-TDH0-0204G

CFexpress 4.0 Type B card delivering 3650 MB/s read, 3000 MB/s write and 1500 MB/s sustained speed for 8K video and RAW bursts

  • Card typeFull Size SD
  • TypeCFExpress
  • Capacity2TB
  • OptionN/A

Capacity 2TB

  • Sustained 1500MB/s write keeps 8K RAW recording stable
  • Peak 3650MB/s read and 3000MB/s write accelerate burst RAW workflows
  • CFexpress 4.0, 2.0 and 1.0 compliant for broad camera support
  • Resists impact, bend, shock, ESD, UV and x-ray on set
  • RED V-Raptor and V-Raptor XL approved for cinema production

Professional media card

The OWC Atlas Ultra is a CFexpress 4.0 Type B card with 2TB capacity, built for professional filmmakers and advanced photographers who need reliable media for 8K+ video recording and fast RAW burst sequences. It delivers peak reads up to 3650MB/s and writes up to 3000MB/s with a minimum sustained write speed of 1500MB/s. The card complies with CFexpress 1.0, 2.0 and 4.0 specifications and works with a wide range of DSLR, mirrorless and cinema cameras.

Durability and daily handling

The card is rated impact, bend, shock, ESD, UV ray and x-ray resistant, so it survives the physical demands of location shoots and frequent card swaps. Its full-size CFexpress Type B form factor fits directly into compatible camera slots without adapters, reducing wear on the connector and eliminating an extra point of failure in the field. The rugged construction supports continuous professional workflows where cards are cycled daily.

Interface limits and practical constraints

CFexpress 4.0 performance depends on the host device implementing the same specification; older cameras limited to CFexpress 1.0 or 2.0 will not reach the card’s peak throughput. Sustained write speeds of 1500MB/s require a camera buffer and firmware capable of maintaining that data rate, so real-world results vary by model. Buyers who need more capacity than 2TB or who use cameras without CFexpress Type B slots cannot use this card.

I korthet

  • Sustained 1500MB/s write keeps 8K RAW recording stable
  • Peak 3650MB/s read and 3000MB/s write accelerate burst RAW workflows
  • CFexpress 4.0, 2.0 and 1.0 compliant for broad camera support
  • Resists impact, bend, shock, ESD, UV and x-ray on set
  • RED V-Raptor and V-Raptor XL approved for cinema production

Specifikationer

Card typeFull Size SD
TypeCFExpress
Capacity2TB
OptionN/A

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Frågor om den här produkten

What CFexpress standard does this Type B card meet, and what practical speed ceiling does that set?

It complies with CFexpress 1.0, 2.0 and 4.0 specifications, so the host controller and PCIe lane count in your camera ultimately cap the real-world throughput you will see.

What physical slot size does this 2 TB card require?

The card is a full-size CFexpress Type B module, so it fits only cameras or readers with a standard Type B slot — not Type A or CompactFlash.

How do I prepare the card before a critical shoot, and what step do users often skip?

Format the card in the camera you will use, then run a sustained write test at your target bitrate to verify the 1500 MB/s minimum sustained speed before recording.

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