When searching for a cfexpress card high speed, speed and reliability are key for handling high-resolution video and rapid data transfers. The Lexar 128GB CFexpress Type B Card stands out as the overall best thanks to its impressive 1750MB/s read and 1300MB/s write speeds, perfect for professional workflows. The SanDisk Extreme PRO 512GB offers a great balance of speed and capacity, making it ideal for demanding creators. Meanwhile, the Delkin Devices Black 512GB provides a larger storage option with robust performance for intensive tasks. Keep in mind that higher speeds often come with increased costs, and capacity limits can influence your workflow choices. Continue reading to see how these options compare and find the best fit for your needs.
Key Takeaways
- Top picks deliver sustained high read/write speeds, essential for 8K video and large file transfers.
- Capacity varies from 128GB to 512GB, with larger cards better suited for professional video work.
- Price correlates strongly with speed and capacity, so balance your needs against your budget.
- Brand reputation and build quality are consistent indicators of reliable performance over time.
- Compatibility with your camera or device can influence the choice—double-check before purchasing.
| Lexar 128GB CFexpress Type B Card, 1750MB/s read, 1300MB/s write, 8K Video | ![]() | Best Overall for High-Speed Professional Use | Capacity: 128GB | Read Speed: 1750MB/s | Write Speed: 1300MB/s | VIEW ON AMAZON | See Our Full Breakdown |
| SUNEAST 128GB CFexpress Type B Memory Card for 8K Video, Up to 1550MB/s Read, 550MB/s Write, XQD Compatible | ![]() | Best Value for Reliable 8K Video Recording | Capacity: 128GB | Read Speed: 1550MB/s | Write Speed: 550MB/s | VIEW ON AMAZON | See Our Full Breakdown |
| Delkin Devices Black 512GB CFexpress Type B Memory Card | ![]() | Best for Extreme Durability and High Capacity | Capacity: 512GB | Read Speed: up to 3700MB/s | Write Speed: up to 3220MB/s | VIEW ON AMAZON | See Our Full Breakdown |
| ProGrade Digital 512GB CFexpress 4.0 Type B Memory Card (Gold) | ![]() | Best for High-Resolution Video and Raw Burst Photography | Capacity: 512GB | Read Speed: 3400MB/s | Write Speed: 3000MB/s | VIEW ON AMAZON | See Our Full Breakdown |
| SanDisk Extreme PRO 512GB CFexpress Type-B Memory Card, 1700MB/s Read, 1400MB/s Write | ![]() | Best for 4K RAW Video and Data Security | Capacity: 512GB | Read Speed: 1700MB/s | Write Speed: 1400MB/s | VIEW ON AMAZON | See Our Full Breakdown |
| Lexar Diamond Series CFexpress 4.0 128GB Card with High-Speed Data Transfer | ![]() | Best Overall for Extreme Durability and Speed | Capacity: 128GB | Read Speed: 3700MB/s | Write Speed: 3400MB/s | VIEW ON AMAZON | See Our Full Breakdown |
| Angelbird AV PRO SE CFexpress B v4 512 GB Memory Card | ![]() | Best for High-Resolution RAW and 12K+ Video Capture | Capacity: 512 GB | Max Read Speed: 3700MB/s | Max Write Speed: 1100MB/s | VIEW ON AMAZON | See Our Full Breakdown |
| Lexar Diamond Series CFexpress 4.0 256GB CFexpress Card | ![]() | Best for Versatility and All-Weather Reliability | Capacity: 256GB | Read Speed: 3700MB/s | Write Speed: 3400MB/s | VIEW ON AMAZON | See Our Full Breakdown |
| cfexpress card high speed | Capacity | Read Speed | Write Speed | Compatibility |
|---|---|---|---|---|
| Lexar 128GB CFexpress Type B C | 128GB | 1750MB/s | 1300MB/s | Cinema Cameras, DSLRs, XQD Cameras |
| SUNEAST 128GB CFexpress Type B | 128GB | 1550MB/s | 550MB/s | CFexpress Type B, XQD, Nikon Z, Canon EOS R |
| Delkin Devices Black 512GB CFe | 512GB | up to 3700MB/s | up to 3220MB/s | High-end professional cameras |
| ProGrade Digital 512GB CFexpre | 512GB | 3400MB/s | 3000MB/s | XQD devices, PCIe 1.4c, NVMe |
| SanDisk Extreme PRO 512GB CFex | 512GB | 1700MB/s | 1400MB/s | Backwards compatible with XQD cameras |
| Lexar Diamond Series CFexpress | 128GB | 3700MB/s | 3400MB/s | — |
| Angelbird AV PRO SE CFexpress | 512 GB | — | — | — |
| Lexar Diamond Series CFexpress | 256GB | 3700MB/s | 3400MB/s | — |
More Details on Our Top Picks
Lexar 128GB CFexpress Type B Card, 1750MB/s read, 1300MB/s write, 8K Video
This Lexar card stands out for its exceptional transfer speeds, making it ideal for professionals needing reliable 8K video recording and rapid data transfer. Compared to the SUNEAST 128GB CFexpress Type B, it offers higher speeds, but its premium performance comes with a higher price point and the need for compatible hardware to fully utilize its capabilities. It’s a solid choice for those working with high-bitrate 8K content daily, but casual shooters might find it overkill. Its 10-year warranty adds peace of mind for long-term professional investment.
Pros:- Exceptional read/write speeds up to 1750MB/s and 1300MB/s
- Compatible with a broad range of professional cameras including cinema and DSLR models
- Backwards-compatible with XQD cameras for added flexibility
Cons:- High cost may deter casual or amateur users
- Requires compatible devices to unlock full performance potential
Best for: Professional videographers and photographers requiring rapid data throughput and high reliability
Not ideal for: Casual users or hobbyists who don’t need maximum speed or professional-grade durability
- Capacity:128GB
- Read Speed:1750MB/s
- Write Speed:1300MB/s
- Video Support:8K
- Compatibility:Cinema Cameras, DSLRs, XQD Cameras
- Warranty:10 years
Our verdict“This card is best suited for professionals demanding maximum speed and reliability from their storage media.”
SUNEAST 128GB CFexpress Type B Memory Card for 8K Video, Up to 1550MB/s Read, 550MB/s Write, XQD Compatible
Compared to the Lexar 128GB, the SUNEAST offers slightly lower maximum speeds but remains highly capable for 8K video and burst photography, especially with its compatibility with Nikon and Canon systems. Its read speeds of 1550MB/s and 550MB/s write are sufficient for most professional workflows, while the writable label surface simplifies organization. This card balances speed and affordability, making it a strong choice for users who don’t need the absolute fastest transfer rates but still require dependable performance.
Pros:- Fast read speeds up to 1550MB/s and solid 550MB/s write speeds
- Compatible with Nikon Z series and Canon EOS R series cameras
- Writable label surface for easy content management
Cons:- Limited to systems compatible with CFexpress Type B and XQD
- Slightly lower sustained write speeds compared to higher-end models
Best for: Photographers and videographers using Nikon Z or Canon EOS R series cameras who want dependable speed without paying a premium
Not ideal for: Users with older or less capable devices that can’t leverage the high-speed performance or for those requiring higher sustained write speeds for heavy-duty 8K recording
- Capacity:128GB
- Read Speed:1550MB/s
- Write Speed:550MB/s
- Compatibility:CFexpress Type B, XQD, Nikon Z, Canon EOS R
- Sustained Write Speed:150MB/s
- Durability:Not specified
Our verdict“This card offers a balanced mix of speed and compatibility, ideal for professionals seeking reliable 8K recording on popular camera systems.”
Delkin Devices Black 512GB CFexpress Type B Memory Card
This Delkin card is designed for demanding professional environments, with read speeds up to 3700MB/s and write speeds over 3200MB/s—significantly faster than most competitors like the SanDisk Extreme PRO. Its durability features, including waterproofing and shock resistance, make it suitable for fieldwork and extreme conditions. However, its high price and large capacity are tailored for high-end production workflows where speed and resilience are prioritized over affordability. Its VPG 400 rating supports high-quality RAW video recording, but only if your hardware can leverage such speeds.
Pros:- Blazing fast read speeds up to 3700MB/s and write speeds over 3200MB/s
- Highly durable: waterproof, shockproof, and temperature resistant
- Supports professional RAW video recording with VPG 400
Cons:- Premium price limits accessibility for casual users
- Requires compatible high-performance hardware to truly benefit from speeds
Best for: High-end professional videographers and photographers working in extreme conditions or requiring large storage capacity
Not ideal for: Budget-conscious users or hobbyists who do not need such high speeds or durability features
- Capacity:512GB
- Read Speed:up to 3700MB/s
- Write Speed:up to 3220MB/s
- Durability:Waterproof, Shockproof, Temperature resistant
- VPG:400
- Compatibility:High-end professional cameras
Our verdict“Best suited for demanding professionals who need maximum speed, capacity, and durability in extreme conditions.”
ProGrade Digital 512GB CFexpress 4.0 Type B Memory Card (Gold)
This ProGrade card offers speeds up to 3400MB/s read and 3000MB/s write, making it highly capable for 4K, 6K, and 8K video workflows, and surpassing some options like the SanDisk Extreme PRO in sustained performance. Its durability features and 3-year warranty add confidence for professional shoots. Compared to the Delkin Black, it might have slightly lower maximum speeds but offers excellent reliability and efficiency, especially with enhanced battery protection and anti-counterfeit measures. Its price reflects its professional-grade build and performance.
Pros:- Fast speeds up to 3400MB/s read and 3000MB/s write
- Enhanced durability and 3-year warranty
- Supports high-resolution video and RAW burst modes
Cons:- Premium price point may limit accessibility
- Requires compatible hardware and firmware to reach maximum speeds
Best for: Professionals needing fast, reliable storage for high-resolution video and RAW burst photography, especially in demanding environments
Not ideal for: Budget-sensitive users or those with older hardware that can’t support PCIe 1.4c or NVMe interfaces
- Capacity:512GB
- Read Speed:3400MB/s
- Write Speed:3000MB/s
- Warranty:3 years
- Compatibility:XQD devices, PCIe 1.4c, NVMe
Our verdict“This card provides a reliable, high-speed solution for serious professionals dealing with large files and demanding recording formats.”
SanDisk Extreme PRO 512GB CFexpress Type-B Memory Card, 1700MB/s Read, 1400MB/s Write
Compared to the ProGrade 512GB, the SanDisk Extreme PRO offers slightly lower maximum speeds but compensates with its lifetime limited warranty and included data recovery software. It provides very solid performance for 4K RAW video, with speeds up to 1700MB/s read and 1400MB/s write—more than enough for most professional applications. Its backward compatibility with select XQD cameras broadens its usability, but users without compatible hardware may not fully benefit from its performance. This card is a dependable choice for those prioritizing data security alongside speed.
Pros:- High speeds up to 1700MB/s read and 1400MB/s write
- Includes lifetime limited warranty and data recovery software
- Backward compatible with certain XQD cameras
Cons:- Speed slightly lower than some high-end options like Delkin Black or ProGrade
- Requires compatible hardware to maximize performance
Best for: Photographers and videographers needing a reliable, high-performance card with comprehensive data protection features
Not ideal for: Users who require the absolute fastest speeds for large-scale RAW video or who do not own compatible XQD or CFexpress cameras
- Capacity:512GB
- Read Speed:1700MB/s
- Write Speed:1400MB/s
- Warranty:Lifetime Limited
- Compatibility:Backwards compatible with XQD cameras
Our verdict“This card balances speed, security, and warranty coverage, making it a dependable choice for professional workflows.”
Lexar Diamond Series CFexpress 4.0 128GB Card with High-Speed Data Transfer
The Lexar Diamond Series CFexpress 4.0 128GB card stands out for its unmatched combination of speed and durability, making it ideal for professionals handling 8K video workflows. Its read speed of 3700MB/s and write speed of 3400MB/s surpass many competitors like the SanDisk 512GB option, providing smooth, high-bitrate recording. However, its limited capacity may be restrictive for users with large media libraries, and its premium price might deter hobbyists. Compared to the Angelbird 512GB card, it offers similar speeds but at a lower capacity, which could be a drawback for those needing more storage. Its rugged design, including shock, dust, and temperature resistance, ensures reliable performance in extreme conditions, making it suitable for on-location shoots. The tradeoff involves hardware compatibility — high speeds demand compatible devices and interfaces. This pick is best for professionals requiring top-tier speed and durability in demanding environments.Pros:- Exceptional read/write speeds ideal for 8K video recording
- Extremely durable with dust-proof, shockproof, and temperature resistant features
- Long-lasting with a lifetime warranty and wear resistance
Cons:- High-speed performance depends heavily on compatible hardware
- Limited storage capacity may not suit large media libraries
Best for: Professional videographers and photographers who need ultra-fast, durable storage for high-resolution, high-bitrate media
Not ideal for: Budget-conscious users or hobbyists needing larger storage capacity at a lower price point
- Capacity:128GB
- Read Speed:3700MB/s
- Write Speed:3400MB/s
- Sustained Write Speed:3200MB/s
- Interface:PCIe Gen 4
- Temperature Range:-12°C to 72°C (operating), -25°C to 85°C (storage)
Our verdict“This card is perfect for professionals demanding speed and durability in extreme conditions, albeit at a premium price.”
Angelbird AV PRO SE CFexpress B v4 512 GB Memory Card
The Angelbird AV PRO SE CFexpress B v4 512GB card is tailored for demanding professional workflows like 12K RAW video, supporting maximum speeds of 3700MB/s read and 1100MB/s write. Its thermal management and adaptive power features ensure consistent performance during prolonged recording sessions, making it more reliable than some lower-tier cards such as the Suneast 128GB model, which offers lower write speeds. The 512GB capacity offers ample space for high-resolution media, but could be limiting for users with extensive libraries. Its included data recovery service adds peace of mind, though the higher price point might deter casual users. The slower write speed compared to the Lexar 128GB card’s 3400MB/s can be a bottleneck for very high-bitrate workflows. This card is best suited for professionals working with large, demanding files who prioritize reliability and thermal stability over cost.Pros:- Supports very high data rates suitable for 12K+ RAW video
- Reliable thermal management and power efficiency
- Includes a professional data recovery service
Cons:- Limited to 512GB capacity in this model, which may be restrictive
- Higher price compared to some competitors with similar speeds
Best for: High-end videographers and photographers capturing 12K+ RAW footage or high-res images needing reliable, high-speed storage
Not ideal for: Users with budget constraints or those with moderate storage needs who don’t require ultra-high speeds
- Capacity:512 GB
- Max Read Speed:3700MB/s
- Max Write Speed:1100MB/s
- Technology:CFexpress B 4.0
- Warranty:3 years
- Additional features:Thermal management, adaptive power, data recovery
Our verdict“This card excels for high-resolution, high-bitrate workflows where reliability and thermal stability are priorities, despite its higher cost.”
Lexar Diamond Series CFexpress 4.0 256GB CFexpress Card
The Lexar Diamond Series 256GB CFexpress card strikes a balance between speed, durability, and capacity, making it well-suited for high-resolution photography and 4K video. Its read speed of 3700MB/s and write speed of 3400MB/s are on par with the 128GB version, but with double the capacity for larger project files. Compared to the Angelbird 512GB card, it offers less storage but tends to be more affordable, appealing to users who need solid performance without the highest price tag. Its rugged design, including dust-proof, drop-proof (5 meters), and temperature-resistant features, rival the durability of the other models, but the premium pricing may limit appeal for casual users. The 1200 plug/unplug cycle durability ensures longevity, yet high speed still demands compatible hardware for optimal performance. This card is best for professionals who require reliable, fast storage across diverse environments without the expense of maximum capacity.Pros:- High read/write speeds suitable for 4K video and high-res photos
- Rugged, dust-proof, shock, and temperature resistant
- Broad compatibility and long cycle life
Cons:- Higher price may be prohibitive for some users
- Limited storage capacity for very large media collections
Best for: Photographers and videographers needing a durable, versatile card with solid speed and decent capacity
Not ideal for: Hobbyists or users with very large media libraries who need extensive storage at a lower cost
- Capacity:256GB
- Read Speed:3700MB/s
- Write Speed:3400MB/s
- Temperature Range:-12°C to 72°C
- Shock Resistance:1500G
- Durability:IP5X dust-proof, 5-meter drop-proof
Our verdict“This card offers a reliable and durable high-speed solution ideal for professionals needing versatility without the highest capacity, at a competitive price.”

How We Picked
I evaluated each CFexpress card based on several key factors: maximum sustained high-speed transfer rates, capacity options, build quality, and compatibility with professional workflows. Reliability and brand reputation also played a role, as these cards are often used in demanding environments where failure is costly. I prioritized cards that consistently deliver their advertised speeds in real-world use, rather than just on paper. The ranking reflects a combination of raw performance, value, and versatility, ensuring options suit a range of professional and enthusiast needs.| cfexpress card high speed | Compatibility |
|---|---|
| Lexar 128GB CFexpress Type B C | Cinema Cameras, DSLRs, XQD Cameras |
| SUNEAST 128GB CFexpress Type B | CFexpress Type B, XQD, Nikon Z, Canon EOS R |
| Delkin Devices Black 512GB CFe | High-end professional cameras |
| ProGrade Digital 512GB CFexpre | XQD devices, PCIe 1.4c, NVMe |
| SanDisk Extreme PRO 512GB CFex | Backwards compatible with XQD cameras |
| Lexar Diamond Series CFexpress | — |
| Angelbird AV PRO SE CFexpress | — |
| Lexar Diamond Series CFexpress | — |
Factors to Consider When Choosing Cfexpress Card High Speed
Choosing the right high-speed CFexpress card involves understanding several critical factors beyond just raw speed. Capacity is vital for longer shoots or large files; consider your typical storage needs. Compatibility is another key, as not all cards work seamlessly with all devices—check your camera or card reader specs. Price often correlates with performance, but balancing cost and speed is essential for most buyers. Reliability and brand reputation matter for peace of mind during critical projects. Lastly, consider future-proofing by opting for higher capacities or faster speeds if your budget allows, preventing frequent upgrades.Speed and Performance
Speed is the most obvious factor, but not all high-speed cards perform equally in real-world conditions. Look for cards that offer sustained read/write speeds matching or exceeding your workflow demands, especially for 8K video or rapid burst photography. Higher speeds reduce lag and dropped frames, but they often come at a premium. Be aware that some cards advertise high speeds but may not sustain those levels under prolonged use, so check user reviews and tests for real-world data.
Capacity and Storage Needs
Capacity determines how much data you can store before needing to offload. For professional video production, 512GB or higher may be necessary to avoid constant transfers, whereas hobbyists might get by with 128GB or 256GB. Larger cards tend to be more expensive but can save time and workflow interruptions. Consider your typical project size and future needs—buying slightly bigger than your current requirements can reduce the need for frequent upgrades.
Compatibility and Use Cases
Not all CFexpress cards are compatible with every device. Check your camera or device specifications to ensure support for CFexpress Type B cards and the required speeds. Some older devices may not fully leverage the highest speeds, making premium options less cost-effective. Additionally, consider whether your workflow involves high-speed card readers or adapters, as these can create bottlenecks if not compatible or fast enough.
Price and Value
Higher speeds and larger capacities command higher prices, but not all premium cards are necessary for every user. Assess your actual speed and capacity needs carefully—paying extra for marginal speed gains may not be justified for casual or semi-professional use. Conversely, professionals who depend on fast data transfer for critical projects should prioritize reliable, high-performance cards even at a premium. Look for deals and bundled options to maximize value.
Reliability and Brand Reputation
When investing in high-speed storage, reliability becomes a top priority. Trusted brands like Lexar, SanDisk, and Delkin Devices tend to offer better quality control, longer warranties, and customer support. Cheaper or lesser-known brands may save money upfront but could pose risks of data corruption or failure during intense use. Reading user reviews and checking warranty policies can help ensure your investment is protected over time.
Frequently Asked Questions
Will my camera support the highest speed CFexpress cards?
Most cameras specify the maximum supported card type and speed class. Check your camera’s manual or specifications sheet for the supported CFexpress Type B cards and their maximum speed. Using a card faster than your device can handle won’t improve performance and may not be compatible. Matching the card’s speed class with your camera’s capabilities ensures optimal performance without unnecessary expense.
Is it worth paying more for higher speeds if I only shoot in 4K?
For 4K video, extremely high speeds are less critical than for 8K or high-burst photography. In most cases, a high-quality card with speeds around 1500MB/s is sufficient. Paying extra for top-tier speeds might not provide noticeable benefits unless your workflow involves intensive editing or very large files. Focus on capacity and reliability more than the absolute highest speed if your shooting is primarily 4K.
How important is capacity compared to speed?
Capacity and speed serve different needs. Capacity determines how long you can record or shoot without offloading, while speed affects how quickly data is transferred or written in real-time. For large projects, capacity usually takes priority to avoid frequent interruptions. However, high speeds reduce lag and enable smoother workflows, especially in high-bitrate recording. Balance both based on your typical project size and workflow speed requirements.
Can I use these cards for other devices like XQD cameras?
Many CFexpress Type B cards are compatible with XQD devices, but not all. Check your device’s specifications to confirm compatibility. Using an unsupported card can lead to errors or performance issues. If you work with older equipment, verify that the card’s interface and speed class align with your device’s capabilities to avoid compatibility pitfalls.
How do I maintain the performance of my CFexpress card over time?
Proper maintenance involves avoiding physical damage, keeping the card clean, and using it with compatible, high-quality card readers. Regularly updating device firmware can improve compatibility and performance. Also, avoid filling the card to its maximum capacity regularly, and consider formatting it in your device to keep it optimized. Proper handling and cautious use extend the lifespan and reliability of your high-speed cards.
Conclusion
For professional videographers and photographers handling large files daily, the Lexar 128GB CFexpress Type B Card offers the best combination of speed, reliability, and performance. Budget-conscious users or hobbyists may find the SUNEAST 128GB CFexpress Type B sufficient for their needs, especially if 8K recording is not a priority. Those seeking premium capacity and performance should consider the SanDisk Extreme PRO 512GB or Delkin Devices Black 512GB. Beginners or casual users should focus on capacity and basic speed, while professionals should prioritize durability and brand reputation to ensure seamless workflow. Ultimately, choosing the right card depends on your specific use case and budget constraints.







