Best Memory Cards for Canon EOS C300 Mark III

Looking for the best memory cards for Canon EOS C300 Mark III? Here are our top recommended & fastest CFexpress cards and SD cards for Canon EOS C300 Mark III cinema camera.

The Canon EOS C300 Mark III cinema camera has three memory card slots: 2 x CFexpress (Type B) card slots and 1 x SD card slot. As an ideal tool for a wide range of video content production, the Canon EOS C300 Mark III (Amazon, B&H, Adorama) features a Super 35mm Dual Gain Output sensor with up to 16 stops of high dynamic range capability for superior HDR recording and low noise. Equipped with Canon’s latest video imaging processor, the DIGIC DV 7, the Canon EOS C300 Mark III cinema camera records up to DCI 4K resolution video to dual CFexpress cards, and an SD card slot is available to record additional images. High frame rates up to 120 fps can be recorded in 4K raw, and up to 180 fps in 2K cropped mode. Canon’s Cinema RAW Light and XF-AVC recording formats are supported, providing DCI 4K images with a 10-bit, 4:2:2 Long GOP codec. Proxy recording is also supported, which allows a significant boost to your post-production speed. Canon’s Dual Pixel CMOS AF (autofocus) support allows you to not only provide accurate autofocus, but it also features touch AF and face detection.

So, in order to get the ultra high read speeds (transfer speed) and write speeds (fast buffer clearing time) to get the best out of your camera, here we list the top recommended and fastest CFexpress cards and SD cards for Canon EOS C300 Mark III cinema camera based on the speed and price. Just choose the one you like!

Recommended CFexpress & SD Memory Cards for Canon EOS C300 Mark III

Here are our top recommended CFexpress cards and SD cards for Canon EOS C300 Mark III cinema camera:

CFexpress Cards:

  1. Sony TOUGH CFexpress Memory Card Type B
  2. SanDisk Extreme PRO CFexpress Card Type B
  3. Delkin Devices CFexpress Memory Card
  4. Lexar Professional CFexpress Type-B Memory Card
  5. ProGrade Digital CFexpress Gold Memory Card

SD Cards:

  1. Sony SF-G Tough UHS-II Card (300 MB/s, V90)
  2. Lexar Professional 2000x UHS-II Card (300 MB/s, V90)
  3. SanDisk Extreme PRO UHS-II Card (300 MB/s)
  4. Hoodman Steel 2000x UHS-II SD Card (300 MB/s)
  5. Lexar Professional 1667x UHS-II SD Card (250MB/s, V60)

Any of these make for a good choice. If you’d like more detailed recommendations, you can find them below.

Best CFexpress Memory Cards for Canon EOS C300 Mark III

1. Sony TOUGH CFexpress Memory Card Type B

  • Max Read Speed: 1700 MB/s
  • Max Write Speed: 1480 MB/s

Highly recommended! Extremely fast and reliable for professionals who require the highest performance in the most extreme conditions. Offering both strength and speed, the Sony TOUGH CFexpress Type B Memory Card provides fast read speeds up to 1700 MB/s along with write speeds up to 1480 MB/s. This quick performance benefits recording a variety of video resolutions, bit-rates, and compressions, as well as high-resolution continuous raw photo shooting. Beyond its speed, this TOUGH memory card also has a reinforced physical design to withstand falls from up to 15′ and has been rigidity tested to 70 N of force. It’s also resistant to extreme temperatures, X-rays, electrostatic, and UV lighting.

Buy Sony TOUGH CFexpress Type B Memory Card at Amazon, B&H, Adorama.

2. SanDisk Extreme PRO CFexpress Card Type B

  • Max Read Speed: 1700 MB/s
  • Max Write Speed: 1200 MB/s

Highly recommended! Designed to deliver speeds necessary for working with smooth, raw 4K video captures, the SanDisk Extreme PRO CFexpress Type B Memory Card provides read speeds of up to 1700 MB/s and write speeds of up to 1200 MB/s, which enables low latency during high-speed recording and an enhanced workflow efficiency. These cards also come with a RescuePRO Deluxe data recovery software download offer to give you a more convenient way of retrieving files that were accidentally deleted.

Buy SanDisk Extreme PRO CFexpress Type B Memory Card at Amazon, B&H, Adorama.

3. Delkin Devices CFexpress Memory Card

  • Max Read Speed: 1700 MB/s
  • Max Write Speed: 1400 MB/s

Built with strength, reliability, and performance, the Delkin Devices CFexpress Memory Card provides read speeds of up to 1700 MB/s and write speeds of up to 1400 MB/s, making it suitable for professional photographers and videographers. Designed to excel in high-end cinematic hosts, this card can capture 5.9K, DCI 4K, and Full HD video at standard and high frame rates of up to 180 fps, plus continuous shooting raw bursts of up to 200 still images.

Buy Delkin Devices CFexpress Memory Card at B&H, Adorama.

4. Lexar Professional CFexpress Type-B Memory Card

  • Max Read Speed: 1750 MB/s
  • Max Write Speed: 1000 MB/s

Designed to leverage the capabilities of next-generation cameras, this Lexar Professional CFexpress Type-B memory card utilizes the PCI Express 3.0 and NVMe protocols to provide high-speed performance, durability, and reliability. This card delivers read speeds of up to 1750 MB/s and write speeds of up to 1000 MB/s, both of which help to improve transfer speeds between the card and your computer, as well as accelerate your workflow.

Buy Lexar Professional CFexpress Type-B Memory Card at B&H.

5. ProGrade Digital CFexpress Gold Memory Card

  • Max Read Speed: 1600 MB/s
  • Max Write Speed: 1000 MB/s

Available in capacities from 120GB to 1TB, the ProGrade Digital CFexpress Gold Memory Cards provide read speeds up to 1600MB/s – ideal for quickly off-loading high volumes of video or RAW photos and minimum sustained write speeds up to 1,000MB/s – ideal for uninterrupted, cinematic capture of RAW 4K or 6K video. This card is resistant to temperature extremes, shock, vibration, and X-rays, and is also backward compatible with select XQD cameras that adopt firmware to enable CFexpress.

Buy ProGrade Digital CFexpress Gold Memory Card at Amazon, B&H.

Best SD Memory Cards for Canon EOS C300 Mark III

1. Sony SF-G Tough UHS-II Card (300 MB/s, V90)

 

  • UHS-II / V90 / U3 / Class 10
  • Max Read Speed: 300 MB/s
  • Max Write Speed: 299 MB/s

Highly recommended and the Fastest UHS-II SD CardOffering maximum read speeds of up to 300 MB/s and maximum write speeds of up to 299 MB/s, the Sony SF-G Tough Series UHS-II Memory Cards are currently the world’s fastest SD memory cards, and it is well-suited for video capture, including 8K, 4K XAVC S, 60p AVCHD, 3D, HFR, and Full HD video. In addition, thanks to its V90 speed class rating, minimum write speeds are guaranteed not to drop below 90 MB/s. So, if you are seeking the highest write speed with a V90 rating as well as extremely high 250-300MB/s read speeds for transferring photos from the card to a computer, this is the recommended cards for you.

Buy Sony SF-G Tough UHS-II SDXC Cards at AmazonB&HAdorama.

2. Lexar Professional 2000x UHS-II Card (300 MB/s, V90)

 

  • UHS-II / V90 / U3 / Class 10
  • Max Read Speed: 300 MB/s
  • Max Write Speed: 260 MB/s

Highly recommended and Best Value! With maximum read speeds of up to 300 MB/s and maximum write speeds of up to 260 MB/s, the Lexar Professional 2000x UHS-II card offers the super fast speeds for both writing and reading files, and you can get a free Lexar SD UHS-II Reader for high-speed file transfer from card to computer, dramatically accelerating workflow. Thanks to its V90 speed class rating, minimum write speeds are guaranteed not to drop below 90 MB/s. It’s the perfect match for any UHS-II compatible camera that records 4K and Full HD video or has a fast 8fps+ continuous shooting speed. The buffer clearing time will be much much quicker which means you can take more shots.

Buy Lexar Professional 2000x UHS-II Cards: at AmazonB&HAdorama.

3. SanDisk Extreme PRO UHS-II Card (300 MB/s)

 

  • UHS-II / U3 / Class 10
  • Max. Read Speed: 300 MB/s
  • Max. Write Speed: 260 MB/s

Designed for professional photographers and videographers, the SanDisk Extreme PRO UHS-II SDXC Memory Cards can achieve maximum read speeds of up to 300 MB/s and maximum write speeds of up to 260 MB/s. Ideal for recording 4K, 3D, and Full HD video, continuous shutter bursts and rapid shooting, as well as RAW and JPEG captures. Shockproof, temperature proof, waterproof, and X-ray proof. Thanks to its U3 speed class rating, minimum write speeds are guaranteed not to drop below 30 MB/s.

Buy SanDisk Extreme PRO UHS-II SDXC Memory Cards at AmazonB&HAdorama.

4. Hoodman Steel 2000x UHS-II SD Card (300 MB/s)

  • UHS-II / U3 / Class 10
  • Max Read Speed: 300 MB/s
  • Max Write Speed: 260 MB/s

Hoodman Steel is a ruggedized, steel plated SDXC card designed to withstand the rigors of high performance photography/videography. With a ruggedized steel construction, the Hoodman Steel 2000x SDXC UHS-II Memory Card supports 4K Ultra HD video and features a read speed of up to 300 MB/s and a write speed of up to 260 MB/s making it easy to transfer large files quickly and efficiently. Additionally, this card supports the UHS-II bus interface as it comes equipped with a second set of pins for high speed data transfers when used with UHS-II compliant devices. Another great choice!

Buy Hoodman Steel 2000x SDXC UHS-II Memory Card at AmazonB&HAdorama.

5. Lexar Professional 1667x UHS-II SD Card (250MB/s, V60)

  • UHS-II / V60 / U3 / Class 10
  • Max Read Speed: 250 MB/s
  • Max Write Speed: 90 MB/s

Affordable UHS-II card with excellent performance. With maximum read speeds of up to 250 MB/s and maximum write speeds of up to 90 MB/s, the Lexar Professional 1667x UHS-II card is great for fast burst shooting and 4K & full HD video recording!  Thanks to its V60 speed class rating, minimum write speeds are guaranteed not to drop below 60 MB/s. This card offers excellent performance with a similar price of UHS-I cards. If you are really on a very tight budget and just want to save some money, this is the card for you! Great value!

Buy Lexar Professional 1667x UHS-II SD Card at AmazonB&HAdorama.