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Operating Temperature:
-12°C to 72°C
Storage Temperature:
-20°C to 85°C
ProGrade Digital has developed its new CFexpress™ Type B 4.0 Iridium class memory cards with next-generation performance leveraging PCIe Gen 4 interconnect with NVMe host controller interface for use in future Mirrorless, DSLR and high-definition cinema cameras. Available in 400GB, 800GB, and 1.6TB capacity and performance levels provide read speeds up to 35500MB/s – CFexpress Type B cards are ideal for quickly off-loading high volumes of video or RAW photos and sustained write speeds up to 850MB/s and 1500MB/s respectively – perfect for uninterrupted, cinematic capture of RAW 4K or 6K video. The CFexpress Type B Iridium cards are VPG400 rated.
NOTE: Current CFexpress cameras will not be able to take advantage of the maximum speed of this card. Until CFexpress 4.0 cameras are introduced, the benefit of this card is tripling the speed of your workflow when downloading content with the ProGrade Digital PG05.6 USB 4.0 Reader.
CFexpress is a removable media standard created by the CompactFlash Association. There were three form factors defined in the standard: Type A, Type B, and Type C. All form factors leverage the PCIe® Gen 4 interface for higher performance based on a computing industry storage interface and utilize NVM Express™ 1.4c protocols.
Video Performance Guarantee 400 (VPG400) means that when you are recording, you can ensure that the minimum write speed while recording is at least 400MP/s without dropping any frames.
The CFexpress 4.0 Type B Iridium cards are compatible with the Sony Burano.
Yes, we have our CFexpress Type B single-slot USB 4.0 reader (PG05.6) and CFexpress Type B and SD dual-slot reader USB 3.2 Gen. 2 (PG05.5). To achieve the full speeds of the CFexpress Type B 4.0 card, we recommend going with the PG05.6.
Certain cameras that use XQD memory cards can get a firmware update from the device manufacturer to allow that device to use CFexpress Type-B cards.
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CFExpress Type B |
128GB 2.0
|
256GB 2.0
|
512GB 2.0
|
1TB 2.0
|
2TB 2.0
|
512GB 4.0
|
1TB 4.0
|
2TB 4.0
|
165GB 2.0
|
325GB 2.0
|
650GB 2.0
|
1.3TB 4.0
|
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Max Read |
1700MB/S |
1700MB/S |
1700MB/S |
1700MB/S |
1700MB/S |
3400MB/S |
3400MB/S |
3400MB/S |
1700MB/S |
1700MB/S |
1700MB/S |
3400MB/S |
Max Write |
1400MB/S |
1400MB/S |
1500MB/S |
1500MB/S |
1500MB/S |
3000MB/S |
3000MB/S |
3000MB/S |
1500MB/S |
1500MB/S |
1500MB/S |
3000MB/S |
Min Sustained Write |
140MB/S |
300MB/S |
850MB/S |
1300MB/S |
1300MB/S |
850MB/S |
1500MB/S |
1500MB/S |
1400MB/S |
1400MB/S |
1400MB/S |
2100MB/S |
CFexpress Specification |
2.0 |
2.0 |
2.0 |
2.0 |
2.0 |
4.0 |
4.0 |
4.0 |
2.0 |
2.0 |
2.0 |
4.0 |
Nikon D5 | C* | C* | R | R | R | R | R | R | R | R | R | R |
Nikon D6 | R | R | R | R | R | R | R | R | R | R | R | R |
Nikon Z6/Z7 | R | R | R | R | R | R | R | R | R | R | R | R |
Nikon Z8/Z9 | C* | C* | C | C | C | R | R | R | R | R | R | R |
Nikon D850 | R | R | R | R | R | R | R | R | R | R | R | R |
Nikon D500 | R | R | R | R | R | R | R | R | R | R | R | R |
Panasonic Lumix DC-GH6 | C* | C* | R | R | R | R | R | R | R | R | R | R |
Panasonic S1/S1R | R | R | R | R | R | R | R | R | R | R | R | R |
Fujifilm X-H2/X-H2S | C | C | R | R | R | R | R | R | R | R | R | R |
Canon EOS R3 | C* | C* | R | R | R | R | R | R | R | R | R | R |
Canon EOS R5 | C* | C* | R | R | R | R | R | R | R | R | R | R |
Canon EOS R5 C | C* | C* | R | R | R | R | R | R | R | R | R | R |
Canon EOS-1D X Mark III | C* | C* | R | R | R | R | R | R | R | R | R | R |
Canon EOS-C300 Mark III | C* | R | R | R | R | R | R | R | R | R | R | R |
Canon EOS-C500 Mark II | C* | R | R | R | R | R | R | R | R | R | R | R |
Red Komodo-X | R | R | R | R | R | |||||||
Red V-Raptor | R | R | R | R | R | |||||||
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