Sony CEA-G640T 640GB
(CEA-G640T)CFexpress Type ACFexpressRead 800 MB/sWrite 700 MB/s640GBNVMe
HIGH
SSD for Sony Sony A9 III (ILCE-9M3)
2024–2025
Form Factor: CFexpress Type AInterface: CFexpressMax Capacity: 1TB
Upgradeable
Quick answer
The Sony Sony A9 III (ILCE-9M3) is matched with Sony CEA-G640T 640GB, Sony CEA-M960T 960GB, Sony CEA-G320T 320GB, Lexar Professional Gold CFexpress Type A 320GB, Sony CEA-G160T 160GB, ProGrade Digital CFexpress Type A Gold 480GB. Compatible storage type: CFexpress Type A CFexpress. Capacity guidance: up to 1TB. 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 Sony Sony A9 III
Sony CEA-M960T 960GB
(CEA-M960T)CFexpress Type ACFexpressRead 800 MB/sWrite 700 MB/s960GBNVMeHIGHSony CEA-M960T 960GB6 listings
Sony CEA-G320T 320GB
(CEA-G320T)CFexpress Type ACFexpressRead 800 MB/sWrite 700 MB/s320GBNVMeHIGHLexar Professional Gold CFexpress Type A 320GB
(LCAEXGOLD320G)CFexpress Type ACFexpressRead 900 MB/sWrite 800 MB/s320GBNVMeHIGHSony CEA-G160T 160GB
(CEA-G160T)CFexpress Type ACFexpressRead 800 MB/sWrite 700 MB/s160GBNVMeHIGHProGrade Digital CFexpress Type A Gold 480GB
(PGCA480GCPNA)CFexpress Type ACFexpressRead 900 MB/sWrite 800 MB/s480GBNVMeHIGH
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 23, 2026.
SSD Upgrade Guide for the Sony Sony A9 III
This device uses a CFexpress Type A drive with a CFexpress interface. Maximum supported capacity is 1TB.
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 Sony Sony A9 III (ILCE-9M3)?
The Sony Sony A9 III (ILCE-9M3) is matched with Sony CEA-G640T 640GB, Sony CEA-M960T 960GB, Sony CEA-G320T 320GB, Lexar Professional Gold CFexpress Type A 320GB, Sony CEA-G160T 160GB, ProGrade Digital CFexpress Type A Gold 480GB. It supports CFexpress Type A CFexpress. This device supports up to 1TB 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 A), 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 A 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 Sony Sony A9 III (ILCE-9M3) is documented as CFexpress Type A 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.