Head to head

Delkin BLACK 4.0 CFexpress Type B vs ProGrade Digital CFexpress Type B 4.0 GOLD 2TB Single (NA)

Our pick

Delkin BLACK 4.0 CFexpress Type B

CFexpress Cards

Why this one

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

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Product photographs. Not to scale.

What ProGrade Digital CFexpress Type B 4.0 GOLD 2TB Single (NA) offers

Choose the ProGrade GOLD 2TB single card for twice the 1TB default’s capacity and a limited lifetime warranty, if your camera supports this model.¹³

What differs

Specification	Delkin BLACK 4.0 CFexpress Type B	ProGrade Digital CFexpress Type B 4.0 GOLD 2TB Single (NA)
Capacity	1,000 GB (1 TB)¹	2,000 GB (2 TB)³

More details

Specification	Delkin BLACK 4.0 CFexpress Type B	ProGrade Digital CFexpress Type B 4.0 GOLD 2TB Single (NA)
Card type	Type b²	Type b³
Sustained write speed	Not published	1,500 MB/s (Test method: Maker-rated sustained write for 1TB/2TB; maker notes its industry benchmark changed on 04-01-2024. This is not an independently measured result.)³
Max write speed	3,130 MB/s²	3,000 MB/s (Host interface: Maker says current CFexpress cameras cannot use the maximum speed; its offload workflow uses the ProGrade Digital PG05.6 USB 4.0 Reader.)³
Max read speed	3,630 MB/s²	3,400 MB/s (Host interface: Maker says current CFexpress cameras cannot use the maximum speed; its offload workflow uses the ProGrade Digital PG05.6 USB 4.0 Reader.)³
VPG rating	VPG400¹	Not published
PCIe generation	Not published	4³
Lifetime warranty	Not published	Yes³

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