{"product_id":"delkin-cfexpress-type-b-g4-power-card-128gb-fast-8k-video-ready","title":"Delkin CFexpress Type B G4 Power Card 128GB - Fast 8K Video Ready","description":"\u003cp\u003eIn this review the Delkin Devices CFexpress Type B G4 Power Card 128GB is examined for professional photographers and videographers who need a compact card that will handle high-resolution, high-bitrate recording without choking. The bottom line: it is designed for users who shoot RAW or high-frame-rate 8K, 6K and 4K video and need a reliable sustained write speed to prevent dropped frames; the card's sustained performance and offload speeds are the single biggest reason to consider it.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully compatible:\u003c\/strong\u003e Works in all current CFexpress Type B hosts and modes so photographers can swap it between cameras without format worries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh maximum write speed:\u003c\/strong\u003e Up to 1700MB\/s peak write capability supports bursty, data-heavy recording modes used in cinema workflows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSustained write performance:\u003c\/strong\u003e Minimum sustained sequential write speeds of 805MB\/s ensure continuous RAW or high-frame-rate 4K+ capture without buffer stalls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast offloading:\u003c\/strong\u003e Read speeds up to 1780MB\/s let users transfer large projects to a workstation quickly and get back to shooting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4th generation G4 technology:\u003c\/strong\u003e Engineered for modern workflows, the G4 platform balances speed and reliability for professional use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Delkin CFexpress Type B G4 Power Card 128GB is best for professional videographers and hybrid shooters who record RAW or high-bitrate 8K, 6K and 4K footage and need sustained write performance to protect continuous recording. It also suits photographers using high-speed burst modes in advanced mirrorless bodies where buffer clearing speed matters.\u003c\/p\u003e\n\u003cp\u003eCasual shooters and users who rarely exceed typical SD card throughput should look elsewhere for lower-cost, lower-capacity options; likewise those who need extremely large capacities for daylong shoots may prefer higher-capacity cards or multiple cards to minimize swaps.\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\u003eIndustry-grade sustained write speed reduces the risk of dropped frames during long high-bitrate recordings.\u003c\/li\u003e\n\u003cli\u003eVery fast read speed makes offloading footage to a workstation efficient for tight turnaround projects.\u003c\/li\u003e\n\u003cli\u003eCustomers report consistent reliability and real-world speeds close to the rated numbers in supported cameras such as the Nikon Z6II.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e128GB capacity may fill quickly when shooting RAW 8K or extended high-frame-rate clips, requiring more frequent card changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eDelkin Devices\u003c\/td\u003e\n\u003c\/tr\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\u003e128GB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Read Speed\u003c\/td\u003e\n\u003ctd\u003e1780MB\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Write Speed\u003c\/td\u003e\n\u003ctd\u003e1700MB\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSustained Write Speed\u003c\/td\u003e\n\u003ctd\u003e805MB\/s (minimum sequential)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGeneration\u003c\/td\u003e\n\u003ctd\u003eG4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Delkin CFexpress Type B G4 Power Card 128GB is a strong choice for professionals who need dependable, sustained write performance and very fast offloads for high-resolution video workflows. It delivers reliable real-world speeds and compatibility with current CFexpress B hosts, offering solid value for shooters who prioritize uninterrupted recording and fast turnaround.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this card work in my CFexpress Type B camera?\u003c\/strong\u003e\u003cbr\u003eYes; the card is fully compatible in all modes of current CFexpress Type B hosts according to Delkin's specifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it record 8K RAW without dropping frames?\u003c\/strong\u003e\u003cbr\u003eIts minimum sustained write speed of 805MB\/s is designed to support data-intensive modes like RAW 8K and high-frame-rate 4K recordings, though final performance depends on camera codec and settings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow fast are transfers to a computer?\u003c\/strong\u003e\u003cbr\u003eOffloading speeds can reach up to 1780MB\/s, allowing rapid transfer of large files when paired with a compatible reader and host port.\u003c\/p\u003e","brand":"Delkin Devices","offers":[{"title":"Default Title","offer_id":48243893895387,"sku":"B0C6QF7R3S","price":94.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61ZUzRM0-YL._AC_SL1000.jpg?v=1770961022","url":"https:\/\/gearmusthave.com\/products\/delkin-cfexpress-type-b-g4-power-card-128gb-fast-8k-video-ready","provider":"GearMustHave","version":"1.0","type":"link"}