{"product_id":"cfexpress-4-0-type-b-512gb-memory-card-high-speed-8k-ready","title":"CFexpress 4.0 Type B 512GB Memory Card - High-Speed 8K Ready","description":"\u003cp\u003eOur review of the CFexpress 4.0 Type B 512GB card finds it best suited to professional photographers and videographers who need sustained high throughput and large capacity for RAW 8K, 6K and 4K workflows. The single biggest reason to buy is its combination of very fast sustained write and extremely fast read speeds - up to 1550MB\/s write and 3550MB\/s read - which shortens offload times and keeps high frame-rate cameras from buffering during long shoots. This review focuses on real-world usefulness rather than specs alone.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlistering transfer speeds:\u003c\/strong\u003e Up to 3550MB\/s read and 1550MB\/s write for fast offloads and uninterrupted high-bitrate recording.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge 512GB capacity:\u003c\/strong\u003e Holds hours of high-resolution video and long RAW photo sessions without swapping cards frequently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8K and high-frame-rate support:\u003c\/strong\u003e Designed to handle RAW 8K, 6K and 4K recording workflows on compatible cameras and cinema rigs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide camera compatibility:\u003c\/strong\u003e Works with many pro bodies from Canon, Nikon, Panasonic, Fujifilm and DJI that support CFexpress Type B.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for reliability:\u003c\/strong\u003e Constructed and tested for durability and resistance to harsh conditions to protect critical footage and images.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproves workflow speed:\u003c\/strong\u003e Fast read performance noticeably reduces transfer time for large media libraries.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis card is ideal for professional photographers and videographers shooting long RAW or high-bitrate video, timelapse sequences, and extended burst sessions where buffer clearing and fast offloads matter. Users editing on tight deadlines who need quick transfers between shoots and post-production will benefit most from the read speeds.\u003c\/p\u003e\u003cp\u003eHobbyists using only JPEGs or short 1080p clips may not need the sustained write performance or large capacity and could save money with a lower-tier card. Verify your camera firmware and official compatibility list before purchase, as 8K support can depend on the host device and settings.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExceptional read and write speeds that speed up transfers and reduce camera buffering.\u003c\/li\u003e\n\u003cli\u003eLarge 512GB capacity suitable for lengthy 8K RAW sessions.\u003c\/li\u003e\n\u003cli\u003eSolid construction and reported durability for on-location shoots.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eFull benefits depend on camera compatibility and firmware; not all hosts will deliver maximum 8K performance.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\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\u003e512GB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Read Speed\u003c\/td\u003e\n\u003ctd\u003eUp to 3550MB\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Write Speed\u003c\/td\u003e\n\u003ctd\u003eUp to 1550MB\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Use\u003c\/td\u003e\n\u003ctd\u003eRAW 8K\/6K\/4K video, high-speed photography\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eMajor pro cameras from Canon, Nikon, Panasonic, Fujifilm, DJI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe CFexpress 4.0 Type B 512GB card is a practical choice for professionals who need fast, reliable media for high-resolution RAW video and extended burst photography. It delivers strong value when paired with compatible cameras, cutting transfer times and keeping shoots moving; casual users with lighter needs should consider lower-capacity options.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this card record 8K RAW on my camera?\u003c\/strong\u003e\u003cbr\u003eIt can support RAW 8K recording on compatible cameras, but actual capability depends on your camera model, firmware and chosen recording settings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much 8K video can 512GB hold?\u003c\/strong\u003e\u003cbr\u003eStorage duration varies by codec and bitrate; users report that 512GB can hold hours of 8K RAW under certain camera settings, but exact time depends on file attributes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this card durable for field work?\u003c\/strong\u003e\u003cbr\u003eThe card is built and tested for durability and weather resistance and is intended for professional field use, though standard care is advised.\u003c\/p\u003e","brand":"CHIPFANCIER","offers":[{"title":"Default Title","offer_id":48638476484827,"sku":"B0F1YKMGMT","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71ygpfF9GSL._AC_SL1500.jpg?v=1778610917","url":"https:\/\/gearmusthave.com\/products\/cfexpress-4-0-type-b-512gb-memory-card-high-speed-8k-ready","provider":"GearMustHave","version":"1.0","type":"link"}