Head to head

Delkin BLACK 4.0 CFexpress Type B vs ProGrade Digital CFexpress™ Type B 4.0 Gold 256GB

Our pick

Delkin BLACK 4.0 CFexpress Type B

CFexpress Cards

Choose the 1TB Delkin BLACK 4.0 for room between card changes on a compatible Type B camera when your recording mode requires VPG400 media.¹²

Product photographs. Not to scale.

Choose the ProGrade GOLD 256GB for shorter shoots when you want a CFexpress Type B card without buying a larger capacity.³

2 models / at a glance

Max write speed · MB/s3,130 MB/s²Higher preferred ↑

Max read speed · MB/s3,630 MB/s²Higher preferred ↑

Max write speed · MB/s3,000 MB/s³Higher preferred ↑

Max read speed · MB/s3,400 MB/s³Higher preferred ↑

Specification	Delkin BLACK 4.0 CFexpress Type B	ProGrade Digital CFexpress™ Type B 4.0 Gold 256GB
Capacity	1,000 GB (1 TB)¹	256 GB³
Max write speed	3,130 MB/s²	3,000 MB/s³
Max read speed	3,630 MB/s²	3,400 MB/s³

Specification	Delkin BLACK 4.0 CFexpress Type B	ProGrade Digital CFexpress™ Type B 4.0 Gold 256GB
Card type	Type b²	Type b³
Sustained write speed	Not published	850 MB/s (Test method: Reviewer-listed manufacturer rating for this capacity; the review tested a 512GB card, so this is not a measurement of this package.)³
VPG rating	VPG400¹	Not published