Delkin Power vs ProGrade Gold CFexpress Type B 512GB
Two CFexpress Type B cards at 512GB, compared on rated speed, current price and price history.
Delkin Devices 512GB POWER 4.0 CFexpress Type B Memory Card
ProGrade Digital 512GB CFexpress 4.0 Type B Gold Memory Card
The short version
- Read speed: Delkin is rated 7% higher (3650 vs 3400 MB/s).
- Write speed: Delkin is rated 8% higher (3240 vs 3000 MB/s).
- Sustained write: ProGrade is rated 4% higher (850 vs 820 MB/s).
- Price: Delkin is cheaper right now at $319.99 (B&H Photo), $80.00 or 20% less than $399.99.
- Cost per GB: Delkin works out at $0.62/GB against $0.78/GB.
Speeds are manufacturer ratings from the retailer listing, not our own tests. Prices come from retailer listings we checked in the last 48 hours; Amazon prices are not shown.
Specifications
- Brand
- Delkin
- ProGrade
- Format
- CFexpress Type B
- CFexpress Type B
- Capacity
- 512GB
- 512GB
- Read Speed
- 3650 MB/s
- 3400 MB/s
- Write Speed
- 3240 MB/s
- 3000 MB/s
- Sustained Write
- 820 MB/s
- 850 MB/s
- VPG Rating
- 400
- 400
- CFexpress Version
- 4.0
- 2.0
Pick Delkin if…
- You want the higher rated read speed.
- You want the higher rated write speed.
- You want the lower price today.
Pick ProGrade if…
- You want the higher rated sustained write.
Card A: current prices
Prices retrieved: Nov 15, 2026, 7:13 AM
Card B: current prices
Prices retrieved: Nov 15, 2026, 7:13 AM
Card A: Delkin
Is this a good price?
Today's price is about average for the last 89 days, where it has ranged $279.99–$389.99.
Based on 124 price checks at B&H Photo over 89 days. Amazon prices are not included.
Card B: ProGrade
Is this a good price?
Today's price is about average for the last 89 days, where it has ranged $279.99–$499.99.
Based on 129 price checks at B&H Photo over 89 days. Amazon prices are not included.
Card A: price history
Card B: price history
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