{"product_id":"cfexpress-4-0-type-b-memory-card-240gb-high-speed-capture","title":"CFexpress 4.0 Type B Memory Card 240GB - High-Speed Capture","description":"\u003cp\u003eOur review of the ProGrade CFexpress 4.0 Type B 240GB card finds it best suited for photographers and cinematographers who need sustained high write performance during extended bursts and continuous RAW video capture. The single biggest reason to buy is its reliable sustained write speed of up to 700MB\/s in the 240GB model, which keeps buffer clearing fast and prevents dropped frames on demanding mirrorless and cinema cameras. In everyday use it proved dependable, thermally stable, and well built for professional workflows.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustained write speed:\u003c\/strong\u003e Up to 700MB\/s lets photographers shoot long RAW bursts or continuous 4K\/6K video without unexpected slowdowns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh read speed:\u003c\/strong\u003e A rated read speed of 3100MB\/s speeds off-loads to fast NVMe hosts and shortens tethering or backup time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCIe Gen 4 with NVMe:\u003c\/strong\u003e Modern protocol support provides the fastest transfer pathways available for compatible devices and updated firmware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery friendly:\u003c\/strong\u003e The card is optimized to use less camera power during recording, extending shooting time between battery swaps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable build and serial protection:\u003c\/strong\u003e Laser-etched serial numbers and a robust construction improve authenticity checks and long term reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecovery software available:\u003c\/strong\u003e Optional recovery tools can help restore corrupted files and maintain sustained card speed over years.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe CFexpress 4.0 Type B 240GB is ideal for working pros and serious enthusiasts using mirrorless, DSLR, or cinema cameras who record high-bitrate video or long RAW photo bursts and need a card that maintains steady write speed to avoid dropped frames. It also fits studio shooters who value fast off-loads to accelerate editing and delivery.\u003c\/p\u003e\n\u003cp\u003eThose who shoot only casual JPEGs, low-resolution video, or have older readers without PCIe\/NVMe support may find simpler SD cards more cost effective; also consider larger CFexpress capacities if you routinely record very long 8K takes or long multi-hour cinema shoots.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsistent sustained write speed that holds up during long bursts and continuous recording.\u003c\/li\u003e\n\u003cli\u003eVery fast read performance that cuts transfer times and streamlines post production workflows.\u003c\/li\u003e\n\u003cli\u003eSolid build quality, temperature control, and compatibility with current professional camera bodies.\u003c\/li\u003e\n\u003cli\u003eBacked by a 3-year warranty and a laser-etched serial number to deter counterfeits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigher cost per gigabyte compared with entry-level cards, which may not suit casual shooters.\u003c\/li\u003e\n\u003cli\u003eTo fully benefit from top transfer speeds, a compatible PCIe 4\/NVMe host and updated firmware are required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm factor\u003c\/td\u003e\n\u003ctd\u003eCFexpress Type B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e240GB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum read speed\u003c\/td\u003e\n\u003ctd\u003e3100MB\/s (240GB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSustained write speed\u003c\/td\u003e\n\u003ctd\u003e700MB\/s (240GB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003ePCIe Gen 4 with NVMe host controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3-year limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ProGrade CFexpress 4.0 Type B 240GB is a strong choice for professionals who need dependable sustained write performance and very fast off-loads; its thermal stability and build quality make it a solid value for demanding photo and video work. If you need the fastest reliable capture for RAW cinema or high-speed burst shooting, this card is worth the investment.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this card work in my mirrorless camera?\u003c\/strong\u003e\u003cbr\u003eMost mirrorless and cinema cameras that support CFexpress Type B will accept this card, but check your camera firmware and compatibility list before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the card with older XQD devices?\u003c\/strong\u003e\u003cbr\u003eThe card is backward compatible with devices that support XQD when the host device firmware explicitly provides compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat helps if files become corrupted?\u003c\/strong\u003e\u003cbr\u003eProGrade offers optional recovery software to help restore corrupted files and maintain card performance over time.\u003c\/p\u003e","brand":"ProGrade Digital","offers":[{"title":"Default Title","offer_id":48677030691035,"sku":"B0F76BC4JJ","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/613KaSPiwEL._AC_SL1104.jpg?v=1778639292","url":"https:\/\/gearmusthave.com\/products\/cfexpress-4-0-type-b-memory-card-240gb-high-speed-capture","provider":"GearMustHave","version":"1.0","type":"link"}