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Fastest Memory Cards

In the world of memory cards, a few factors stand out. Capacity, of course, is important as you want a card that can hold as much data as possible. Speed is another factor, you want your card to transfer data quickly so you can get back easily to shooting photos or recording videos. Browse the top-ranked list of fastest memory cards below along with associated reviews and opinions.

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  1. SANDISK - Extreme PRO 128GB SDXC UHS-I Memory Card

    SKU: JXJ62C6JVJ

    Product Description

    A rugged, water-resistant SDXC card offering 128GB storage and up to 200MB/sec rapid file transfers.
    See all Secure Digital (SDHC, SDXC)
    Your price for this item is $59.99
    Save $33
    The previous price was $93.09

  2. SANDISK - Extreme 64GB CompactFlash (CF) Memory Card

    SKU: JXJ62CGH7T

    Product Description

    A gold, shock-resistant CompactFlash card offering 64GB storage and fast 120MB/s read and 85MB/s write speeds.
    See all Memory Cards
    Your price for this item is $83.40
    Save $48
    The previous price was $131.53

  3. SANDISK - 128G Extreme PRO CFexpress Type-B Memory Card, R/W up to 1700/1200MB/s

    SKU: JXJ62C9R8G

    Product Description

    A high-speed black CFexpress Type B card with 128GB capacity, ideal for 4K and 8K video recording.
    See all CFexpress Type B
    Your price for this item is $163.61
    Save $66
    The previous price was $229.99

  4. SANDISK - 256GB microSD Express Memory Card, Works with Nintendo Switch 2, R/W up to 880/650MB/s

    SKU: JXJ62C6FGR

    Works great. Love the extra space it gives when gaming...As always great product super fast transfers and use....Best switch 2 card

    Product Description

    A high-speed black and red microSD card with 256GB storage, PCIe 3.1 NVMe, and UHS-I compatibility.
    See all microSD Express
    Your price for this item is $79.99
    Save $20
    The previous price was $99.99

  5. SANDISK - 256GB Extreme PRO SDXC UHS-II V60 Memory Card, R/W up to 280/150MB/s

    SKU: JXJ62C6FX7

    Great product...works great and is fast, love it! Perfect for anyone that records longer videos / larger files...Best value for money and solid protection for your memories.

    Product Description

    A high-speed, black SDXC memory card offering 256GB storage, V60 video rating, and water resistance.
    See all Secure Digital (SDHC, SDXC)
    Your price for this item is $249.99

  6. Lexar - Professional 128GB SILVER PLUS SDXC UHS-I Card, C10, U3, V30, 4K UHD, SD Card, up to 255MB/s Read, Memory Card

    SKU: J36XPK4HKX

    Great Sd Card...Great SD card. Easy to use, light weight, great access for support. Best with a SD UHS I reader....Great amount of storage and I like the packaging and able to get it out easily...Great...

    Product Description

    A durable silver and black SDXC card with 128GB storage, 205MB/s read, and 150MB/s write speeds.
    See all Secure Digital (SDHC, SDXC)
    Your price for this item is $55.25
    Save $9
    The previous price was $64.99

  7. Lexar - Professional SILVER PLUS SDXC™ UHS-I Card (512 GB)

    SKU: J36XPK4HKW

    Great Product...Great daily storage...[This review was collected as part of a promotion.] 128gb is great for daily photography.

    Product Description

    A durable silver and black SDXC card offering 512GB storage, 205MB/s read, and 4K video support.
    See all Secure Digital (SDHC, SDXC)
    Your price for this item is $159.99

  8. Ritz Gear - 512GB CFexpress Type B Memory Card, 1700MB/s Read & 1100MB/s Write, 4K RAW Video, Burst Shots, Shock-Resistant Design

    SKU: J3688YXRK3

    Product Description

    A shock-resistant black memory card offering 512GB storage with ultra-fast speeds for 4K RAW video capture.
    See all CFexpress Type B
    Your price for this item is $129.99

  9. Seagate - 1TB Storage Expansion Card for Xbox Series X|S NVMe SSD - Black

    SKU: J37C5HZ2W7

    Great storage solution! 10 out of 10 would recommend. LOVE Best Buy for all my technology purchases....Absolutely great experience picking it up. I love Best Buy!

    Product Description

    A black internal NVMe SSD that instantly expands Xbox Series X|S storage with fast, seamless performance.
    See all XBOX Series X|S Storage
    Your price for this item is $199.99
    Save $50
    The previous price was $249.99

  10. Samsung - PRO Endurance 128GB microSDXC SD Memory Card

    SKU: J3ZYG2JZWK

    Called Best buy for a reason...Great product, no issues, best price around by far great service...Best quality and price. Great for dash cam and cameras.

    Product Description

    A durable white microSDXC card offering 128GB storage, water resistance, and fast FHD/4K recording performance.
    See all microSDXC
    Your price for this item is $76.99
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FAQ

The fastest memory cards typically have high read and write speeds, advanced UHS (Ultra High Speed) ratings, and support for the latest speed classes such as UHS-II or UHS-III. These features enable rapid data transfer, making them ideal for tasks like 4K video recording and burst photography.

Check your device’s specifications for compatible memory card types and supported speed classes. Devices that support UHS-II or UHS-III will have specific symbols or labels on the card slot or in the manual, indicating compatibility with faster cards.

A fast memory card allows your camera or smartphone to quickly save high-resolution photos and videos, especially when shooting in burst mode or recording 4K/8K video. This reduces lag and ensures smooth performance during intensive tasks.

Yes, using a fast memory card in gaming consoles or action cameras can decrease load times, enable faster saves, and support high-bitrate video recording, ensuring you get the best possible experience from your device.

Yes, different card formats offer varying maximum speeds. High-end SD and microSD cards with UHS-II or UHS-III technology can rival or exceed the speeds of certain CompactFlash cards. Always check the card’s speed class and your device’s compatibility to ensure optimal performance.