10 Best Sony A6700 Memory Card Compatibility of 2025

Tested and Reviewed: Top 10 Sony A6700 Memory Card Compatibility deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Sony

Sony TOUGH-M series SDXC UHS-II Card 128GB, V60, CL10, U3, Max R277MB/S, W150MB/S (SF-M128T/T1)

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Editor's bottom line:

“This sony a6700 memory card compatibility is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Waterproof (IPX8)/ Dustproof (ipx6)3
Up to 277MB/s read speed and 150MB/s write speed
Toughness design (18x stronger than standard UHS II card)
Supports 4K video recording
Five (5) year limited

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9.5

Everything But Stromboli

SanDisk SD Extreme Pro 128GB UHS-I Memory Card Works with Sony a7CR, a7Cm2, a6700 Mirrorless Cameras (SDSDXXD-128G-GN4IN) U3 V30 Bundle with (1) Everything But Stromboli 3.0 Micro & SDXC Card Reader

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Main Highlights

Optimal Compatibility: Works seamlessly with Sony a7CR, a7Cm2, a6700 mirrorless cameras, ensuring high performance.
Ample Storage: 128GB capacity provides ample space to capture and store your high-resolution photos and videos.
V30 U3 Performance: Delivers V60 video speed class and U3 rating, ensuring smooth 4K video recording and fast data transfers.
Bundle Inclusions: Comes with a 3.0 Micro & SDXC card reader by Everything But Stromboli for convenient data transfer.
Reliable Brand: SanDisk's Extreme Pro series is renowned for its durability and performance, making it an ideal choice for professional photographers.

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9.5

BigBuild Technology

BigBuild Technology 128GB U3 SDXC Memory Card for Sony a6700, a7C II, a7CR, a9 III Cameras

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Main Highlights

Ultra-Fast 128GB Memory Card: Boost your camera's performance with ultra high-speed data transfer
UHS-I U3 Class 10 Technology: Supports read speeds up to 100MB/s and write speeds up to 40MB/s
Enhance Your Creative Workflow: Focus on capturing moments without worrying about performance or storage limitations
Perfect for HD, 4K, and 3D Video Recording: Ensures smooth, uninterrupted footage without lag
Durable and Reliable: Temperature, magnet, shock, vibration, and X-ray proof for various shooting conditions

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9.2

Sony

Sony 64GB E Series UHS-II SDXC Memory Card

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Main Highlights

Rapid write speed at up to 45 MB/s for burst and high-resolution imaging
Fast transfer to PC with up to 270 MB/s read speed
V30 Video Speed Class for dependable video capture
IP57-rated, highly durable and withstands the elements with UV guard
Supported by Memory Card File Rescue data recovery software

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9.0

Sandisk

SanDisk 128GB Extreme PRO SDXC UHS-II Memory Card - C10, U3, V60, 6K, 4K UHD, SD Card - SDSDXEP-128G-GN4IN

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Main Highlights

For prosumers and professionals shooting with MIL and cinema cameras
Record cinema-quality 6K and 4K UHD with Video Speed Class 60 rating (Full HD (1920x1080), 4K UHD (3840x2160), and 6K (6144x3160) video support may vary based upon host device, file attributes and other factors. See HD page on official SanDisk website. Video Speed Class 60 (V60), sustained video capture rate of 60MB/s, designates a performance option designed to support real-time video recording with UHS enabled host devices. See the SD Associations official website for additional details.)
Capture superlative continuous burst mode and time lapse images with shot speeds up to 100MB/s (Up to 100MB/s write speed. Based on internal testing; performance will vary based on host device. 1MB = 1,000,000 bytes.)
Save time with card offloads reaching transfer speeds up to 280MB/s (Up to 280MB/s read speed. Based on internal testing; performance will vary based on host device. 1MB = 1,000,000 bytes.)
Store more high-resolution files with capacity options up to 128GB (1GB = 1,000,000,000 bytes. Actual user storage less.)

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8.8

Sony

Sony 240GB CFexpress Type A Tough Memory Card - 1800MB/s Read, 1700MB/s Write, VPG400 Certified

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Main Highlights

Ultra-Fast Performance: Harness next-gen PCIe Gen 4 technology with up to 1800MB/s read and 1700MB/s write speeds, ideal for high-resolution video and burst photography.

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8.6

Sony

Sony 512 GB Tough M Series UHS-II SDXC Memory Card

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Main Highlights

TOUGH specification with crush and shock-proof design
Rib-less and switchless design enhances reliability, eliminating risks of breakage
Dust and water proofing at the highest level (IP68)
Fastest write speed at up to 150 MB/s for burst and high-resolution imaging
Faster Transfer to PC with up to 277 MB/s read speed

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8.3

Sandisk

SanDisk 256GB Extreme SDXC UHS-I Memory Card - C10, U3, V30, 4K, UHD, SD Card - SDSDXVV-256G-GNCIN

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Main Highlights

Save time with card offload speeds of up to 180MB/s powered by SanDisk QuickFlow Technology (Up to 180MB/s read speed. Engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. SanDisk QuickFlow Technology is only available for 64GB, 128GB, 256GB, and 512GB capacities. 1GB=1,000,000,000 bytes. Actual user storage less.)
Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately)
Write speeds up to 130MB/s (Engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.)
Perfect for shooting 4K UHD video and sequential burst mode photography (Full HD (1920x1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site.)
Capture uninterrupted video with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) (UHS Speed Class 3 designates a performance option designed to support 4K UHD video recording with enabled UHS host devices. UHS Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS enabled host devices. See the SD Associations official website.)

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8.1

Sony

Sony 120GB XQD G Series Memory Card

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Main Highlights

Xqd performance: The new XQD cards achieve Max read 440MB/s, Max write 400MB/S2 by using PCI Express Gen. 2 interface.
Superior strength: exceptional durability even during intense use. Up to 5x more durable compared to standard XQD. Tested to withstand 5 M (16. 4 foot) drops (3)
Fast reading & Writing: maximizes performance of XQD cameras, whether 4K video recording or continuous burst mode shooting, or transferring large contents to host devices
High durability: shock proof, Anti-Static and resistant to breakage. Full performance in extreme temperatures, also UV, x-ray and magnet proof
Downloadable filed Rescue: applies special algorithm to achieve higher rate of recovery for raw image, MOV files and 4K xavc-s video files captured on Sony and Nikon devices

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8.1

DAJINGYU

DAJINGYU 256GB CFexpress Type A Memory Card VPG400 1600MB/s Write 1780MB/s Read for Video Recording Shockproof Compatibility with Sony Cameras Alpha A1/a7iii/FX3/FX6/a7iv

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Main Highlights

8K/4K Speed 1780MB/s Read & 1600MB/s Write With zero buffer delays for 8K RAW & High-Speed Burst Shooting, this CFexpress Type A card delivers blazing speeds (tested internally) to handle 8K 30fps, 4K 120fps workflows and VPG400-certified 400MB/s sustained writes.
Compatibility With CamerasPlug & Play with A7 IV, A1, A7SIII, A7RV, FX3, FX6, FX30, A1M2. It is fully optimized for both these cameras and all CFexpress Type A hosts. You can seamlessly switch between 8K video, RAW photos, and shootingno compatibility risks.
VPG400 Certified 400MB/s Sustained Performance"Frame-Perfect 8K, Every Time (XAVC HS 8K, RAW) . No dropped frames, even in 4K 120fps slow-mo
Robust and Reliable for Extreme ConditionsBuilt to withstand harsh environments, this card is shockproof, temperature-resistant, and X-ray proof, making it ideal for outdoor adventures, studio work, or travel. Trust it to protect
DAJINGYU After-Sales Service-Cfexpress Type a storage card with a 5-year warranty. we will replace it with a new one even if it has run out of life.

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Our Best Overall Choice

Best Choice

9.7

Sony

Sony TOUGH-M series SDXC UHS-II Card 128GB, V60, CL10, U3, Max R277MB/S, W150MB/S (SF-M128T/T1)

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Waterproof (IPX8)/ Dustproof (ipx6)3
Up to 277MB/s read speed and 150MB/s write speed
Toughness design (18x stronger than standard UHS II card)
Supports 4K video recording
Five (5) year limited

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