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CEA-G Series CFexpress Type A Memory Card
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- Compact body: dimensions 0.79 x 1.10 x 0.11" (W x H x D)
- Available in 80 GB, 160 GB, 320 GB, and 640 GB capacities
- Ultra-fast write speed of up to 700 MB/s for burst and high-resolution imaging; VPG (Video Performance Guarantee) 400
Features
High speed performance
Sony CFexpress Type A memory cards are designed for professional photographers, videographers and enthusiasts looking to super-charge their workflow with unrivalled speed and reliability. Ultra-high speed performance (up to 800MB/s read and 700MB/s write¹) is efficiently packed in the compact and durable body, to help you get the most from the latest high-end cameras.
Dependable videography
Sony CFexpress Type A cards are optimized for continuous, high-bandwidth data writing, making them ideal for professional high-bitrate video recording, such as 4K 120p, where dependability is critical. For extra reassurance and video recording stability they also carry the VPG (Video Performance Guarantee) 400.
Rapid response photography
Dramatically expand your photographic possibilities, with uncompressed continuous RAW shooting for fast-moving action such as motor sports and wildlife. Writing speeds of up to 700MB/s ensure ultra-fast camera buffer clearance for responsive, continuous shooting.
New standard for compact storage
CFexpress Type A cards are a new standard for compact, high-performance storage. Despite being smaller than a conventional SD card, their PCIe Gen3 interface offers ultra-fast data transfer. It is an ideal storage medium for the future of compact, high-bitrate video and still cameras.
Work faster, be more productive
CFexpress Type A memory cards open up worlds of opportunity for professionals. Handling high-resolution files and high-speed recordings in a small but rugged format, it’s perfect for speeding up workflows and improving productivity, allowing you to have more time available for creative work.
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- Actual performance may vary and is dependent on environment, settings and usage.
- IP57 for enhanced durability with an IPX7 water ingress protection rating and an IP5X dust ingress protection rating.
- Does not support data recovery for Content Protected and Game Data files. Not all data may be recoverable.
- MRW-G2 CFexpress Type A/SD card reader is required for CFexpress Type A card diagnosis. Diagnosis is not possible with readers from other manufacturers or a direct camera connection.
- In order to use CEA-G640T memory card, please ensure the camera has the latest software version. Alpha 1: Ver.1.31 or later. Alpha 7S III: Ver.2.11 or later. FX3: Ver.2.00 or later. To download the latest camera software, please visit: https://www.sony.com/electronics/support
© 2020 Sony Electronics Inc. All rights reserved. Reproduction in whole or in part without written permission is prohibited. Sony is not responsible for typographical and photographic errors. Features and specifications are subject to change without notice.
Sony, the Sony logo, the Alpha logo, Exmor R and BIONZ XR are trademarks of Sony Corporation. All other trademarks are trademarks of their respective owners.
What is the Sony CEA-G Series CFexpress Type A Memory Card?
It's a compact, ultra-fast, and rugged CFexpress Type A memory card designed for high-bitrate video and high-speed stills on compatible cameras. It carries VPG400 (Video Performance Guarantee 400) for stable high-bitrate recording.
What capacities are available for the CEA-G Series CFexpress Type A card?
The card lineup is available in 80 GB, 160 GB, 320 GB, and 640 GB capacities, and the product page also offers 240 GB, 480 GB, 960 GB, and 1920 GB options.
How fast is the CEA-G640T CFexpress Type A card?
The CEA-G640T offers an ultra-fast write speed of up to 700 MB/s for burst and high-resolution imaging. It also carries VPG400 certification for stable high-bitrate video recording.
How much does the Sony CEA-G640T 640GB CFexpress Type A card cost?
MSRP is listed as $999.99. Given that, these models can go on sale from time to time, and there are several other opportunities to save on price like through their group discounts for education, healthcare and military/veterans (ID.me & Unidays) along with their free loyalty program that gives up to 5% back in points.
Is the CEA-G Series CFexpress Type A card durable?
Yes, it features a TOUGH design with up to 10x greater bend resistance and up to 5x more impact/drop resistance than the CFexpress Type A standard. It also offers IP57 dust and water ingress protection along with resistance to X-rays, UV, and electrostatic radiation.
What cameras is the CEA-G640T compatible with?
It is designed for compatible Sony cameras such as the Alpha 1, Alpha 7S III, and FX3. To use the CEA-G640T, please ensure the camera has the latest software version (Alpha 1: Ver.1.31 or later, Alpha 7S III: Ver.2.11 or later, FX3: Ver.2.00 or later).
Is the CEA-G Series card good for professional video?
Yes, it's optimized for continuous, high-bandwidth data writing and carries VPG400 for stable recording at 400 MB/s, making it well-suited for high-bitrate formats like 4K 120p. It's designed for demanding professional imaging and video applications.
What card reader is recommended for the CEA-G Series card?
The MRW-G2 CFexpress Type A/SD card reader is required for CFexpress Type A card diagnosis, as diagnosis is not possible with readers from other manufacturers or a direct camera connection. Pairing with the MRW-G3 CFexpress Type A / SD USB card reader also helps reduce data transfer wait times.
How does the CEA-G Series card manage heat during long recording?
It uses heat-dissipating materials and a heat sink design to maintain consistent high-speed transfers, allowing long 4K 120p recording without thermal issues.
Does the CEA-G Series card support data recovery?
It is compatible with Memory Card File Rescue for recovering accidentally deleted or corrupted files, and File Scan Utility for card health diagnostics. Note that it does not support data recovery for Content Protected and Game Data files, and not all data may be recoverable.
*FAQ generated on 07/24/2026. Financing, pricing and promotions may no longer apply.