SQF-CFX 720 SQFlash 720 CF Express PCIe NVMe Card


Without a doubt, the toughest lesson learned on release of the Canon EOS R5 Mirrorless camera was that of storage and this relatively new thing called sustained write performance. Countless people purchased these cameras, along with first generation CFExpress Type B cards that had not been approved by XRP Canon. They quickly learned that features that should be available within their camera settings just weren’t there, features such as 4/8K video RAW recording.

Yet others experienced things such as cards that weren’t recognized, cards that froze during specific video recording…or others that stuttered. Extreme heat was also common with first generation cards, the user learning the hard way while trying to remove cards immediately, cards that might typically be as high as 85°C. It features blazing speeds of up to 1750MB/s read, and up to 1000MB/s write. A memory card reader is the fastest way to transfer data to or from a memory card. Some readers, like our dual-slot CFexpress and SD Card Reader, allow you to insert multiple cards making transfers even faster.

Quality Hardware

The edge puts storage devices up against severe environmental challenges and unique demands. Industrial applications demand unwavering performance in challenging environments. This card is designed to continue operating at its best even in extreme environments. DSI™ Laboratory Certified Flash Memory, each card is technician-tested and approved before shipping. Professional users will enjoy the high power efficiency and endurance provided by top-grade hardware.


Capture 8K, 4K, and Full HD video video, as well as continuous still image bursts with the Wise Advanced 640GB CFX-B Series CFexpress Type B Memory Card. Designed to leverage the capabilities of next-generation cameras, this card utilizes the PCI Express 3.0 x2 protocol to provide high-speed performance, durability, and reliability. The extreme requirements in the recording of ultra-high-definition videos, offer transcends CFast 2.0 CFX 650 Memory Cards speeds of up to 510 MB/s read and 370 MB/s writing data. With 128 GB to 256 GB, they also according to a lot of space to store the high-resolution image material.

Fastest CFx Type-A Memory Cards

Camerahaus assumes no responsibility or liability for the accuracy of the information provided. Popping these cards into our chart, we have a performance overview of both solutions, which are nearly identical on the read side and writes about 60 MB/s quicker on the larger 1TB solution. Looking at the 1TB model, write speeds went up to 1320 MB/s while read stayed the same at 1646 MB/s. To test these new CFx solutions, Sabrent sent over their CFx card reader.

  • One of the goals is to unify the ecosystem of removable storage by being compatible with standards already widely adopted, such as PCIe and NVMe.
  • From capturing once-in-a-lifetime events in your town to scenic landscapes in harsh environments across the globe, Sabrent’s CFexpress Type B Cards are designed for demanding professional use cases.
  • Viltrox is known for its great Adapters, Speed Booster, LED Lights and a variety of Lenses for mirrorless cameras with Canon EF-M, Fuji X, Nikon Z and Sony E Mount.
  • CFexpress Type A Cards use the NVMe PCIe 3.0 x4 bus with a single lane.

Furthermore, cfx card is currently a comparatively problematic standard. Many of the new Sony cameras take both CFexpress Type-A and UHS-II memory cards but require the faster CFx Type-A cards for some slow-motion video features like 4k120 to record in the S & Q mode. A memory card reader is a device used to read or write data to and from a memory card. A memory card reader typically has a USB interface to allow it to connect to a personal computer so that data can be transferred to or from a memory card. Our Rocket CFX Type B memory cards utilize dual PCIe 3.0 lanes to reach speeds of up to 1,800 MB/s for reads and 1,700 MB/s for writes to give you the fastest transfer rates possible.

General Features

Next-Generation PerformanceCapture high-quality images and seamless RAW 4K video with the Lexar Professional CFexpress Type B card. For versatility, the card is backwards compatible with select XQD cameras enabling existing devices with next-generation performance. Registration of your Sabrent product enables us to offer you the best service through important recall notifications and proof of ownership. Registering within 90 days of your purchase makes sure you don’t forget this important step, and it allows us to extend your warranty.

It features two new card formats (“type A”, one lane, more compact and “type C”, four lanes, bigger and thicker, up to 4 GB/s), with the existing cards designated as “type B”. For the CFx solutions, we once again come away satisfied with the performance, having no issues in our testing. While simple, CDM did show these drives were more than capable of providing the near 1700 MB/s read and 1200 MB/s write, the 1TB drive reaching near 1350 MB/s at peak. The speeds drop to around 317.4MB /s Write, and 285.4MB/s read and the card is fairly painful to touch due to high temperatures. When looking at Reading Speeds, it looks like the Delkin cards are performing the best right now, just ever so slightly faster than the Prograde cards.

High Speed Transfers

On 24 October 2019, Canon announced the development of the EOS-1D X Mark III with LINK dual CFexpress slots. The camera was officially released on 6 January 2020, with availability set for February. Needs to review the security of your connection before proceeding.

  • The camera was officially released on 6 January 2020, with availability set for February.
  • Sabrent is a brand that stormed onto the storage scene with its partnership with Phison a few years back.
  • By tuning the performance of their products specifically for your applications, you can achieve the highest possible performance to thermals and performance to power ratios.
  • The ProGrade 160GB card is slightly faster than the Sony 80GB or Delkin cards.
  • With speeds of up to 4 GB/s, the standard surpasses the old CompactFlash by a factor of 24!
  • The cards were developed for use in high-end 4K cameras and camcorders from leading manufacturers.

On 13 June 2017, https://www.beaxy.com/ introduced the first CFexpress cards based on the CFexpress 1.0 specification. In February 2018, they released benchmarks, with sample units introduced in the second quarter of 2018, and production scheduled for the third quarter. It can carry up to 15 cards and IDs and also has a spring steel money clip for cash. Tyler joined the TweakTown team in 2013 and has since reviewed 100s of new techy items. Growing up in a small farm town, tech wasn’t around, unless it was in a tractor.

Igh power efficiency and endurance provided by top-grade hardware. We may not able to price match the item but there are other ways we can bring better value to your potential purchase. If your product develops a fault within 30 days of purchase, please return with proof of purchase and we’ll exchange or refund it. We do ask when returning to use a reputable courier with a tracking service and the item to be fully insured. Please be aware that we’ll only process your refund once the item has been returned to and checked by our specialist; this can take up to 14 days.


Capture and work with your HD content – videos, photographs, audio, and more – at high speeds, all in a convenient form factor. Don’t settle for inferior storage media for your professional videography and photography needs. VPG400 does not tackle card temperature but, at least from what we have tested, manufacturers have brought card temperatures down significantly as CFExpress B has matured.

Both and Prograde are very good brands and their cards always perform well with Sony cameras. The ProGrade 160GB card is slightly faster than the Sony 80GB or Delkin cards. My guess is because I only have a Prograde reader right now and their hardware is probably all in spec with each other. Exascend’s secure storage solutions offer the highest level of data protection with virtually unbreakable AES-256 encryption, guaranteeing unbeatable encryption compliant with federal agencies’ stringent data security requirements. All Lexar product designs undergo extensive testing in the Lexar Quality Labs, facilities with more than 1,100 digital devices, to ensure performance, quality, compatibility, and reliability.

Do people still use CF cards?

Small memory cards allow users to add data to a wide variety of computing devices. CF cards today are primarily used as removable memory for higher-end digital photo and video cameras.

The Sabrent solutions use a metal chassis with surrounding plastics to soften edges. The quickest of these solutions is the Type-C card, which offers four lanes of PCIe connectivity and a max speed of 4GB/s. The Sabrent Rocket solutions all use Type-B, a two-lane interface with peak speeds of 2GB/s; the Rocket CFx is rated at 1.7GB/s. CFexpress Type A Cards use the NVMe PCIe 3.0 x4 bus with a single lane. The main difference between type A and type B cards other than their size is that Type B cards use a dual-lane system for speeds up to 1700MB/s whereas Type A cards only have a single lane throughput for a max speed of 800MB/s. It seems the Prograde card has a more gradual decline in performance as it thermal throttles, whereas the Sony card dropped quickly to around 300MB/s read and write.


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