PERGEAR CFE-B Lite 128GB Memory Card for Nikon D850 Z6 Z7 Canon EOS R5 CFexpress | eBay
How To Update Nikon Firmware for CF Express Cards In D5 D500 D850 - Cool Wildlife
Report: Nikon firmware for using CFexpress Type B cards with D5, D850 and D500 will arrive 'before the end of 2020': Digital Photography Review
Nikon Will Add CFexpress Support to the D5, D850 and D500 Soon: Report | PetaPixel
CFexpress 4.0 Type B Gold Memory Card | ProGrade Digital
プログレードデジタル 第二世代CFexpressカードとNikon D5, D850, D500のCFexpress対応ファームとの動作確認を発表 | ProGrade Digital Incorporatedのプレスリリース
Amazon.com: TOPCINE CFexpress B to SSD Adapter, CFexpress Type B to NVME 2230 SSD Expansion Adapter Compatible with Nikon Z6/Z7/Z9/Z8/D5/D500/D6/D850 Canon R3/R5/R5C/1DX Mark Ⅲ Panasonic GH6 Fujifilm XH2/XH2S : Electronics
Do not expect the promised CFexpress firmware update for the Nikon Z6, Z7, D5, D850 and D500 cameras to be released before November - Nikon Rumors
Nikon D850 Memory Card Recommendations
Amazon.com: JEYI CFexpress Type B to NVMe Adapter with Full Aluminium Case, Compatible with D500, D850, D6, Z6, Z7, Z6H, Z7H, Z8, Z9, 1DX MARK3, EOS R5, EOS R5C, EOS R3, S1,
Silicon Power 512GB-2TB CFexpress Type B Memory Card – Silicon Power Store (US)
Topcine CFexpress B to SSD Adapter, CFexpress Type B to NVME 2230 SSD 1TB Expansion Adapter for Nikon Z6/Z7/Z9/D5/D500/D6/D850
Nikon adds CFexpress Type B card support to its D500, D850 and D5 DSLR camera systems: Digital Photography Review