{"id":13745,"date":"2025-08-08T16:04:29","date_gmt":"2025-08-08T12:04:29","guid":{"rendered":"https:\/\/droneandcam.com\/post\/sony-a1-ii-cfexpress-type-a-sd-card-vs-uhs-ii-sd\/"},"modified":"2026-01-13T22:26:24","modified_gmt":"2026-01-13T18:26:24","slug":"sony-a1-ii-cfexpress-type-a-sd-card-vs-uhs-ii-sd","status":"publish","type":"post","link":"https:\/\/droneandcam.com\/en\/post\/sony-a1-ii-cfexpress-type-a-sd-card-vs-uhs-ii-sd\/","title":{"rendered":"Sony A1 II: CFexpress Type A SD Card vs UHS-II SD"},"content":{"rendered":"\n

We all know it: choosing the right SD card<\/a> for your Sony A1<\/a> II can quickly become a headache… While it requires high-speed memory cards to fully exploit its capabilities in burst photography or 4K recording, it is difficult to find your way between CFexpress Type A and SD UHS-II. However, a few well-targeted criteria are enough to avoid unpleasant surprises<\/strong> \u2013 and we reveal which ones. <\/p>\n\n

\"Sony
Sony A1 II<\/figcaption><\/figure>\n\n

The ideal memory cards for your Sony A1 II<\/h2>\n\n

The Sony A1 II accepts two types of memory cards: CFexpress Type A and SD UHS-II. Each one meets specific needs. The faster CFexpress Type A is a must for 8K video or 30fps bursts. The more affordable UHS-II SD is suitable for light use. The choice depends on your technical requirements<\/strong>. <\/p>\n\n

CFexpress Type A cards use a PCIe 3.0 interface, guaranteeing write speeds of up to 790 MB\/s. UHS-II SD is based on NAND technology, limited to 250 MB\/s. The first option excels in 8K RAW video<\/strong>, the second is economical for photos or 4K. The thermal management of the CFexpress, thanks to its metal housing, prevents overheating during long sessions. <\/p>\n\n\n\n\n\n\n\n\n\n\n

\n\n\n
\n \"SanDisk\n

SanDisk 512 Go Extreme PRO<\/h3>\n

Note : 4,8\/5<\/p>\n

\n \u2605 \u2605 \u2605 \u2605 \u2605\n <\/div>\n Acheter sur Amazon<\/a>\n<\/div>\n\n\n
\n \"Lexar\n

Lexar 512 Go SILVER PRO<\/h3>\n

Note : 4,6\/5<\/p>\n

\n \u2605 \u2605 \u2605 \u2605 \u2605\n <\/div>\n Acheter sur Amazon<\/a>\n<\/div>\n\n\n
\n \"Gigastone\n

Gigastone Carte SDXC 256 Go<\/h3>\n

Note : 4,7\/5<\/p>\n

\n \u2605 \u2605 \u2605 \u2605 \u2605\n <\/div>\n Acheter sur Amazon<\/a>\n<\/div>\n\n<\/div>\n\n\n\n\n

Outstanding CFexpress card performance for the Sony A1 II<\/h2>\n\n

Record speeds and technical advantages of CFexpress<\/h3>\n\n

CFexpress Type A cards reach speeds of 14400 Mbps read (1800 MB\/s) and 13600 Mbps write (1700 MB\/s). This performance allows the Sony A1 II to handle 30 frames per second in compressed RAW without buffer saturation<\/strong> . Their PCIe 3.0 interface ensures smooth handling of 50MP files or 8K videos. <\/p>\n\n

Comparison of the best CFexpress Type A cards for the Sony A1 II<\/h3>\n\n
Map template<\/td>Read speed (MB\/s)<\/td>Write speed (MB\/s)<\/td><\/tr>
OWC Atlas Pro CFexpress Type A<\/u><\/a><\/td>1850<\/td>1700<\/td><\/tr>
Sony CEA-G160T CFexpress Type A<\/u><\/a><\/td>Not specified<\/td>Not specified<\/td><\/tr>
SanDisk Extreme Pro CFexpress Type A<\/u><\/a><\/td>1700<\/td>1500<\/td><\/tr>
Lexar Professional CFexpress Type A<\/u><\/a><\/td>1600<\/td>1400<\/td><\/tr><\/tbody><\/table><\/figure>\n\n

VPG400 certification ensures a minimum write speed of 400 MB\/s, which is required for uninterrupted 8K video recording<\/strong>. Cards like the Exascend Essential Pro CFexpress Type A meet this standard, preventing frame loss during demanding shoots. This clearly distinguishes them from the V90 UHS-II SSDs limited to 90 MB\/s. <\/p>\n\n

Rugged and reliable for professional photographers<\/h3>\n\n

CFexpress Type A cards are resistant to water and dust (IP57), 7.5 meter drops, and extreme temperatures (-12\u00b0C to 72\u00b0C). Their metal casing improves heat dissipation, reducing the chance of overheating<\/strong>during intensive sessions. For a wildlife photographer in difficult conditions, this durability becomes a decisive asset<\/strong>. <\/p>\n\n

In testing, a SanDisk Extreme Pro CFexpress Type A card achieved 65\u00b0C without sacrificing performance. This thermal management allows the Sony A1 II to maintain a consistent bitrate even during extended 8K video recordings. Unlike UHS-II SD, CFexpress avoids outages due to overheating<\/strong>, ensuring reliability in the field. <\/p>\n\n

\"Sony
Sony A1 II: CFexpress Type A SD card<\/figcaption><\/figure>\n\n

Storage capacities suitable for high-resolution files<\/h3>\n\n

Capacities range from 80 GB (Lexar) to 1 TB (Angelbird), ideal for storing RAW files of 105 MB each. A 512 GB card, such as the Sony 512 GB Tough M Series UHS-II SDXC Memory Card<\/u><\/a>, can accommodate about 4800 uncompressed RAW photos. For 8K video, 1 minute of XAVC S-I 4K at 600 Mbps consumes 4.5 GB of space, requiring high-capacity cards<\/strong> for long shoots. <\/p>\n\n