{"product_id":"promaster-cfexpress-40-type-b-advanced-memory-card-512gb","title":"ProMaster CFexpress 4.0 Type B Advanced Memory Card, 512GB","description":"\u003ch2\u003eProMaster CFexpress 4.0 Type B 512GB Advanced Memory Card\u003c\/h2\u003e\n\n\u003cp\u003eThe ProMaster CFexpress 4.0 Type B 512GB Advanced Memory Card provides high-speed removable storage for compatible professional cameras and video systems. Its PCI Express 4.0 and NVMe interface supports maximum read speeds up to 3500 MB\/s, maximum write speeds up to 3200 MB\/s, and an 820 MB\/s minimum sustained sequential write speed.\u003c\/p\u003e\n\n\u003cp\u003eBuilt for photographers and filmmakers capturing high-resolution media, the 512GB Advanced card combines substantial capacity with sustained performance for demanding recording modes and rapid still-image sequences. The 820 MB\/s sustained write specification is particularly useful when a camera must maintain continuous data transfer rather than relying only on short peak-speed bursts.\u003c\/p\u003e\n\n\u003cp\u003eProMaster uses quality flash memory and components designed for repeated read and write cycles. The card operates from 32°F to 158°F and carries a limited lifetime warranty. ProMaster recommends formatting the card in the intended camera before use to optimize performance and compatibility with the recording device.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e512GB Capacity:\u003c\/strong\u003e Provides high-capacity removable storage for professional photography and high-resolution video recording.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCFexpress 4.0 Type B:\u003c\/strong\u003e Uses the high-performance Type B format for compatible cameras, recorders, and card readers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3500 MB\/s Maximum Read:\u003c\/strong\u003e Supports rapid file access and high-speed media transfers with compatible PCIe 4.0 equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3200 MB\/s Maximum Write:\u003c\/strong\u003e Handles data-intensive capture modes and high-speed image sequences on compatible devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e820 MB\/s Sustained Write:\u003c\/strong\u003e Maintains consistent sequential write performance during extended recording workflows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCI Express 4.0 and NVMe:\u003c\/strong\u003e Uses a modern high-bandwidth interface architecture for fast storage communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e Functions from 32°F to 158°F for use across varied production environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLimited Lifetime Warranty:\u003c\/strong\u003e Includes ProMaster's documented limited lifetime warranty coverage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ProMaster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e CFexpress 4.0 Type B 512GB Advanced Memory Card\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 77876\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 512GB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCard Type:\u003c\/strong\u003e CFexpress 4.0 Type B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCI Interface:\u003c\/strong\u003e PCI Express 4.0, NVMe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Read Speed:\u003c\/strong\u003e 3500 MB\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Write Speed:\u003c\/strong\u003e 3200 MB\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Sustained Sequential Write Speed:\u003c\/strong\u003e 820 MB\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 32°F to 158°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Limited lifetime\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ProMaster","offers":[{"title":"Default Title","offer_id":46769177559237,"sku":"PROMA-77876","price":349.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/3085\/3829\/files\/1-promaster-77876_0b60b90e-c309-4c94-b349-a4bc73dfbd49.jpg?v=1787238775","url":"https:\/\/avlgear.com\/products\/promaster-cfexpress-40-type-b-advanced-memory-card-512gb","provider":"AVLGEAR","version":"1.0","type":"link"}