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Angelbird AV Pro CFexpress Memory Card

Angelbird's CFexpress 2.0 Type B memory cards are engineered for maximum sustained performance, offer protection from overheating, and operate at a reduced power draw. Ensure the highest bit-rate captures of your RAW video and continuous shooting photography files at resolutions up to 12K with Angelbird's CFexpress memory cards.

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Designed to delivery reliable, sustained performance that can optimize raw and burst photography, as well as Full HD and raw 4K, 6K, 8K, and 12K video, the 256GB AV Pro CFexpress 2.0 Type B Memory Card from Angelbird offers protection from overheating, operates with a reduced power draw, and helps to ensure high bitrate captures. This card features a capacity of 256GB and uses the PCIe 3.0 x2 bus to deliver maximum read speeds of 1700 MB/s, maximum write speeds of 1500 MB/s, sustained read speeds of 1000 MB/s, and sustained write speeds of 550 MB/s.


  • Max Read Speed 1700 MB/s
  • Min Sustained Read Speed 1000 MB/s
  • CFexpress 2.0 Type B
  • Stable Stream™
  • Max Write Speed 1500 MB/s
  • Min Sustained Write Speed 1000 MB/s
  • Host Power Loss Protection
  • Advanced Thermal Management
  • For Photo, HD Video & RAW 4K to 12K
  • Y1 Processor Designed for RAW Video & Photo Content
  • Adaptive Power Management

Camera Models Currently Compatible With CFexpress 2.0 Type B

  • Canon EOS-1D X Mark III, EOS C500 Mark II, EOS C300 Mark III, EOS R5
  • Nikon Z 6, Z 7, D6
  • Panasonic LUMIX DC-S1, LUMIX DC-S1R
Capacity 256 GB | 512 GB | 1 TB | 2 TB
Form Factor CFexpress Type B
Dimensions 38,5 × 29,8 × 3,8 mm (1.52 × 1.17 × 0.15 in)
Weight ~ 7.0 g | 0.25 oz
Max. Read Speed1 1700 MB/s
Max. Write Speed1 1500 MB/s
Sustained Read Speed1 1000 MB/s
Sustained Write Speed1 1000 MB/s
Sustained Read Speed1 - 256 GB Model 1000 MB/s
Sustained Write Speed1 - 256 GB Model 500 MB/s
MTBF 2,400,000 Hours
Data Reliability Built-In EDC | ECC Function
Certifications RoHS, CE, FCC, REACH, KC, RCM
DC Input Voltage 3.3 V ± 5 %
Power usage Sleep: <50 mW
Idle: 0.45 W
Max: 2.40 W
Interface CFexpress 2.0 | Type B | PCIe 3.0 ×2
Features Temperature Sensor, TRIM, ECC, EMS Protection, Built-In Cache, SMART
Shock resitance (operating) 50 G
Vibration resistance (operating) 15 G
Operating Temperature -10 °C | 70 °C
Storage Temperature -20 °C | 85 °C
Operating Humidity 5 % to 95 % Non-Condensing

1 Speed based on internal testing. Actual transfer rates and capacity may vary depending on the product model, system hardware and other factors.

2 To receive the full limited warranty, the product needs to be registered on the Angelbird Personal Service Portal within 30 days after purchase. If not registered within this period, the market-specific legal guarantee period comes into force.