10 Best Insta360 X3 Memory Card of 2025

Main Highlights

• 
  Read Speed: 90MB/s (Tested in a lab environment under controlled conditions. The actual speed may vary depending on the device used and the environment. For devices that do not support UHS-1, transfer rates may vary due to interface constraints.)
• 
  Write Speed: 90MB/s (Tested in a lab environment under controlled conditions. The actual speed may vary depending on the device used and the environment. For devices that do not support UHS-1, transfer rates may vary due to interface constraints.)
• 
  Speed Class: A2, V30
• 
  Weight: 0.5g (0.01oz)
• 
  Dimensions: 15x11x1mm (0.59x0.47x0.03in)
• 
  Operating temperature: -13ºF to 185ºF (-25°C to 85°C)
• 
  Erase cycles: 3,000 times

Main Highlights

• 
  Compatible with Nintendo-Switch (NOT Nintendo-Switch 2)
• 
  Save time with card offload speeds of up to 190MB/s powered by SanDisk QuickFlow Technology (Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Based on internal testing; performance may be lower depending upon host device interface, usage conditions and other factors. 1MB=1,000,000 bytes. SanDisk QuickFlow Technology is only available for 64GB, 128GB, 256GB, 400GB, 512GB, and 1TB capacities. 1GB=1,000,000,000 bytes and 1TB=1,000,000,000,000 bytes. Actual user storage less.)
• 
  Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately), Compatible with microSDHC, microSDXC, microSDHC UHS-I, and microSDXC UHS-I supporting host devices
• 
  Up to 130MB/s write speeds for fast shooting (Based on internal testing; performance may be lower depending upon host device interface, usage conditions and other factors. 1MB=1,000,000 bytes.)
• 
  4K and 5K UHD-ready with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) (Compatible device required. Full HD (1920x1080), 4K UHD (3840 x 2160), and 5K UHD (5120 X 2880) support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site. UHS Speed Class 3 (U3) designates a performance option designed to support real-time video recording with UHS-enabled host devices. 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.)
• 
  Rated A2 for faster loading and in-app performance (A2 performance is 4000 read IOPS, 2000 write IOPS. Results may vary based on host device, app type and other factors)

Main Highlights

• 
  Bundle includes: (1) SanDisk 256GB Extreme V30 A2 microSD card and (1) Everything But Stromboli MicroSD & SDXC card reader
• 
  Large Capacity: Stores up to 24 hours of Full HD video; ideal for extended photo or video shoots
• 
  Superior Speed: Delivers up to 190 MB/s read and 90 MB/s write speed; reduces waiting time during transfers
• 
  Built for Adventure: Engineered to resist tough elements including water and extreme temperatures
• 
  V30 Video Speed Class: Supports high-quality 4K UHD video capture; perfect for action cameras and drones.

Main Highlights

• 
  [Speed] Read/Write up to 150/120MB/s, V30 speed grade, Ultra HD (UHD) 4K video recording, UHD 4K gaming.
• 
  [App] A2 grade provides faster App loading performance for Smartphone & Tablet.
• 
  [Storage] Expand smartphone internal storage space. Run App on Micro SD card.
• 
  [Compatibility] Storage expansion for Laptop, Tablet, PC, Smartphones, Camera, DSLR, Dash Cam, Camcorder, Surveillance, e-Reader, Drone, Gaming. Files, Videos, Music. Compatible with Nintendo Switch GoPro Andoroid Samsung Canon Nikon
• 
  [Support] Gigastone 5-year limited warranty including free data recovery.

Main Highlights

• 
  Compatible with Nintendo-Switch (NOT Nintendo-Switch 2)
• 
  Expand your storage in a flash: ideal for Android smartphones and tablets, Chromebooks, and Windows laptops.
• 
  Increase your TV show, movie, and Full HD video[4] recording collections dramatically with up to a massive 1.5TB[1].
• 
  Transfer files fast with up to 150MB/s[2] read speeds and SanDisk MobileMate USB micro 3.0 microSD card reader[6].
• 
  Load apps faster with A1-rated performance[3].
• 
  View, access, and back up your phone's files in one location with the SanDisk Memory Zone app[5].
• 
  Relax knowing your card is backed by a 10-year limited warranty[9].

Main Highlights

• 
  Compatible with Nintendo-Switch (NOT Nintendo-Switch 2)
• 
  Save time with card offload speeds of up to 190MB/s powered by SanDisk QuickFlow Technology (Up to 190MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Based on internal testing; performance may be lower depending upon host device interface, usage conditions and other factors. 1MB=1,000,000 bytes. SanDisk QuickFlow Technology is only available for 64GB, 128GB, 256GB, 400GB, 512GB, and 1TB capacities. 1GB=1,000,000,000 bytes and 1TB=1,000,000,000,000 bytes. Actual user storage less.)
• 
  Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately)
• 
  Up to 90MB/s write speeds for fast shooting (Based on internal testing; performance may be lower depending upon host device interface, usage conditions and other factors. 1MB=1,000,000 bytes.)
• 
  4K and 5K UHD-ready with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) (Compatible device required. Full HD (1920x1080), 4K UHD (3840 x 2160), and 5K UHD (5120 X 2880) support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site. UHS Speed Class 3 (U3) designates a performance option designed to support real-time video recording with UHS-enabled host devices. 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.)
• 
  Rated A2 for faster loading and in-app performance (A2 performance is 4000 read IOPS, 2000 write IOPS. Results may vary based on host device, app type and other factors)

Main Highlights

• 
  Bundle includes: (1) SanDisk 1TB Extreme V30 A2 U3 microSD card and (1) Everything But Stromboli MicroSD & SD card reader
• 
  Massive Capacity: Holds hours of 4K footage and high-resolution files; reduces the need for frequent backups
• 
  Pro-Level Speed: Read up to 190 MB/s and write up to 90 MB/s; supports high-speed continuous shooting
• 
  Built to Last: Resistant to water, shocks, X-rays, and extreme temperatures; reliable in harsh shooting conditions
• 
  V30 and U3 Ratings: Enables sustained video recording at high bitrates; ideal for professional-grade content

Main Highlights

Main Highlights

• 
  Outstanding preserve & transfer performance, the read & write speed is up to 100MB/s and 50MB/s
• 
  Built for use and last in extreme environments. It offers 4 trustworthy protections: waterproof, dustproof, x-ray proof and cold resistant
• 
  Adopting new printing technology to fulfill the goal of being an eco-friendly product
• 
  Refer to the latest version on the official website. In case of discrepancies, the official website prevails.

Main Highlights

• 
  Bundle includes: (1) SanDisk 64GB Extreme V30 A2 microSD card and (1) Everything But Stromboli MicroSDXC & SD card reader
• 
  High Speed Performance: Supports fast read speeds up to 160 MB/s and write speeds up to 60 MB/s; ideal for 4K video recording
• 
  Rugged Durability: Built to withstand water, temperature, shock, and X-ray exposure; ideal for action environments
• 
  A2 Rated App Performance: Optimized for quicker app launch and smoother performance on compatible devices
• 
  UHS Speed Class 3 (U3): Ensures smooth and uninterrupted video capture; supports demanding video and photo workflows