Accessories Buying Guide

Best Canon EOS 5D Mark IV Memory Cards

Best Canon EOS 5D Mark IV Memory Cards

Top 3 Fastest CF Memory Cards For The 5D IV

1. Lexar 1066X

  • 128GB Capacity
  • UHS-I / V30 / U3 / Class 10
  • Max Read Speed: 160 MB/s
  • Max Write Speed: 120 MB/s

The 128GB Professional 1066x UHS-I SDXC Memory Card from Lexar, which is intended for mirrorless and DSLR cameras, enables you to quickly shoot and download high-quality photographs, including Full HD and UHD 4K video, with read rates of up to 160 MB/s and write speeds of up to 120 MB/s. You are able to significantly speed up your workflow thanks to all of this.

Additionally, this card was created with a 128GB storage capacity and a V30 Video Speed Class rating, which ensures minimum write speeds of at least 30 MB/s. This card was manufactured by Lexar to be resistant to x-rays, water, shock, vibration, and temperature extremes to aid boost longevity. Your data will be protected from unintentional deletions by an integrated write protect switch.

2. Sandisk Extreme Pro CF

  • 128GB Storage Capacity
  • Optimized for 4K Video Recording
  • Up to 160MB/s Read Speed
  • Up to 150MB/s Write Speed

With improved data read speeds of up to 160MB/s and data write speeds of up to 150MB/s, SanDisk’s 128GB Extreme Pro CompactFlash Memory Card is a great choice. This Extreme Pro CompactFlash Card is VPG-65 approved and is made to support both full HD and 4K video.

The VPG-65 (video performance guarantee) enables sustained data writing speeds of 65MB/s, guaranteeing a steady supply of data while maintaining clear, sharp video broadcasts. Additionally RAW and JPEG file formats are supported by this CompactFlash card, which also has a writing label and an RTV silicone coating.

3. Transcend 1000x CF

  • 32GB Data Storage Capacity
  • 1000x Speed Rating
  • Max. Read Speed: 160MB/s
  • Max. Write Speed: 120MB/s

With a 32GB data storage capacity, the Transcend 32GB CompactFlash Memory Card Ultimate 1000x UDMA is a CF Type I memory card. It uses UDMA 7 technology to reach a 1000x speed rating, allowing for maximum read and write speeds of 160MB/s and 120MB/s, respectively.

Professional-grade, full HD movies can be recorded using the CF card’s VPG-20 technology at speeds of up to 20MB/s. The card allows extremely quick file transmission to a computer when used with a UDMA 7 capable reader (not supplied), greatly speeding up your productivity. Additionally, a limited lifetime warranty is provided.

Top 3 Fastest SD Memory Cards | UHS-I

4. Sandisk Extreme Pro U3 64GB

  • 64GB Storage Capacity
  • UHS-I / V30 / U3 / Class 10
  • Max Read Speed: 170 MB/s
  • Max Write Speed: 90 MB/s

The 64GB Extreme PRO UHS-I SDXC Memory Card from SanDisk has a capacity of 64GB, is compatible with the UHS-I bus, and has a speed class rating of V30, which ensures minimum write speeds of 30 MB/s. It is designed for SD devices that can capture Full HD, 3D, and 4K video as well as raw and burst photography.

This card also supports the U3 standard, which also ensures a minimum write speed of 30 MB/s in the event that your device does not support the V30 standard. Up to 170 MB/s of read and 90 MB/s of write speed are supported. An integrated write-protect switch serves to prevent the unintentional deletion of card data.

5. Samsung Pro+ U3

  • 64GB Capacity
  • UHS-I / U3 / Class 10
  • Max. Read Speed: 95 MB/s
  • Max. Write Speed: 90 MB/s

Samsung’s 64GB PRO+ UHS-I SDXC U3 Memory Card (Class 10) can store 64GB of information. Its maximum read and write speeds of 95 MB/s and 90 MB/s, respectively, are significantly higher than the 30 MB/s minimum rates provided by the UHS 3 classification because to its Ultra High Speed Class 1 (UHS-I) bus interface. High-resolution photos, Full-HD video recordings, and 4K information can all be stored on this SD card.

6. Kingston U3 64GB

  • 64GB Storage Capacity
  • UHS-I / U3
  • Max. Read Speed: 90 MB/s
  • Max. Write Speed: 80 MB/s

The 64GB UHS-I U3 microSDXC Memory Card from Kingston has UHS Speed Class 3 (U3) compatibility, enabling maximum data read speeds of up to 90 MB/s and write speeds of up to 80 MB/s. Full-HD, 3D, and even 4K material can be captured at these data transmission rates. The cards can be used in a variety of smartphones, tablets, and other mobile devices in addition to recording different kinds of video.

Your data will be safe whether you use the card in a smartphone or a camera because it is waterproof, shockproof, X-ray proof, and temperature proof, making it resistant to the elements. This card comes with an SD converter that enables it to be used in almost any device that accepts normal SD memory cards.

Fastest SD Memory Cards | UHS-II

7. Lexar 2000x 64GB UHS-II

  • Includes 3 x 64GB UHS-II SDXC Cards
  • Includes USB 3.0 Dual-Slot Reader
  • Includes USB Type-A Card Reader

Three Lexar 64GB Professional 2000x UHS-II SDXC Memory Cards with an SD Card Reader and a Lexar Professional USB 3.0 Dual-Slot Reader are included in this Kit (UDMA 7).

Use the memory cards in SD-compatible devices, whether they have one or two slots, and keep any extra cards on hand for future photography. The SDXC cards already come with a UHS-II USB Type-A reader for when you’re ready to transfer files from the card to your computer, but they also come with a dual-slot reader that supports CompactFlash (UDMA 7) and UHS-II SD, SDHC, and SDXC media.

Canon 5D IV Video Record Time Based On Card And Format

How long can I record in 4K on a 64GB card? is a question I hear frequently.

Here is a straightforward chart that shows how long a memory card can record video depending on the format and card size you are using.

Minute-based Canon 5D IV video recording duration. I only apply a formula based on bitrate to calculate these numbers; this wasn’t tested in a camera.

Record FormatFrame RateBitrate16GB32GB64GB128GB256GB
4k29.97 / 24/ 23.98500Mb/s4.278.5312.0734.1368.27
1080p29.97 / 2490Mb/s19.2647.4194.81189.63379.26
1080p 29.9730Mb/s71.11142.22284.22568.891,137.78
About Author


Freelance journalist Corey has been writing about digital photography since 2006, first as a deputy editor and then as the editor of a variety of photographic journals. Featuring expert product reviews and in-depth features

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