ProGrade Digital Cobalt 325GB
(PGCFB325GCPNA)CFexpress Type BCFexpressRead 1700 MB/sWrite 1500 MB/s330GBNVMe
HIGH
SSD for Canon Canon EOS-1D X Mark III (1DXM3)
2020–2025
Form Factor: CFexpress Type BInterface: CFexpressMax Capacity: 2TB
Upgradeable
Quick answer
The Canon Canon EOS-1D X Mark III (1DXM3) is matched with ProGrade Digital Cobalt 325GB, Sony CEB-G series 256GB, SanDisk Extreme Pro 256GB. Compatible storage type: CFexpress Type B CFexpress. Capacity guidance: up to 2TB. Before buying, confirm your exact model number, storage interface, physical size, and connector/keying. Listings are from eBay and Amazon and may change.
Compatible SSDs for the Canon Canon EOS-1D X Mark III
Sony CEB-G series 256GB
(CEB-G256)CFexpress Type BCFexpressRead 1700 MB/sWrite 1480 MB/s260GBNVMeHIGHSony CEB-G series 256GB6 listings
SanDisk Extreme Pro 256GB
(SDCFE-256G)CFexpress Type BCFexpressRead 1700 MB/sWrite 1200 MB/s260GBNVMeHIGH
Listings and prices are pulled from eBay and Amazon and may change. Always verify compatibility — confirm your exact model number, storage interface, physical size, and connector/keying — before purchase. Last checked July 24, 2026.
SSD Upgrade Guide for the Canon Canon EOS-1D X Mark III
This device uses a CFexpress Type B drive with a CFexpress interface. Maximum supported capacity is 2TB.
CFexpress and CompactFlash cards function as the "storage drive" in compatible cameras and embedded systems.
Always power off your device and disconnect power before replacing storage.
Frequently Asked Questions
What SSD fits the Canon Canon EOS-1D X Mark III (1DXM3)?
The Canon Canon EOS-1D X Mark III (1DXM3) is matched with ProGrade Digital Cobalt 325GB, Sony CEB-G series 256GB, SanDisk Extreme Pro 256GB. It supports CFexpress Type B CFexpress. This device supports up to 2TB based on our records. Before buying, confirm your exact model number, storage interface, physical size, and connector/keying.
How do I verify SSD compatibility?
Verify your full model number against the device page, then confirm the physical form factor (CFexpress Type B), interface (CFexpress), and M.2 keying if applicable. Compare against your existing drive or manufacturer specs before purchase.
Can I use NVMe if my device originally had SATA?
Interface support varies by exact model. Our records indicate CFexpress Type B CFexpress. Confirm whether your slot supports SATA, NVMe, or both before choosing a drive.
Does physical size and keying matter?
Yes. M.2 drives vary by length (e.g. 2280) and keying (B-key, M-key, B+M). 2.5-inch and other form factors must match the bay or adapter your device accepts. The Canon Canon EOS-1D X Mark III (1DXM3) is documented as CFexpress Type B CFexpress — a drive with the wrong size or key will not fit or work.
Are these listings live and current?
Listings and prices are pulled from eBay and Amazon and may change at any time. We refresh marketplace data regularly, but always verify the listing title, condition, and seller before purchase.