Delkin Power vs ProGrade Gold CFexpress Type B 1TB
Two CFexpress Type B cards at 1TB, compared on rated speed, current price and price history.
Delkin Devices 1TB POWER 4.0 CFexpress Type B Memory Card
ProGrade Digital 1TB CFexpress 4.0 Type B Gold Memory Card
The short version
- Read speed: Delkin is rated 5% higher (3560 vs 3400 MB/s).
- Write speed: Delkin is rated 7% higher (3200 vs 3000 MB/s).
- Sustained write: Delkin is rated 5% higher (1570 vs 1500 MB/s).
- Price: Delkin is cheaper right now at $479.99 (B&H Photo), $220.00 or 31% less than $699.99.
- Cost per GB: Delkin works out at $0.47/GB against $0.68/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
- 1TB
- 1TB
- Read Speed
- 3560 MB/s
- 3400 MB/s
- Write Speed
- 3200 MB/s
- 3000 MB/s
- Sustained Write
- 1570 MB/s
- 1500 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 higher rated sustained write.
- You want the lower price today.
Pick ProGrade if…
Delkin is ahead or level on every measure we can compare.
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 in the cheapest third of the last 90 days, where it has ranged $419.99–$649.99.
Good time to buy.
Based on 261 price checks at B&H Photo over 90 days. Amazon prices are not included.
Card B: ProGrade
Is this a good price?
Today's price is in the most expensive third of the last 89 days, where it has ranged $489.99–$749.99.
It has been cheaper recently — worth waiting if you can.
Based on 113 price checks at B&H Photo over 89 days. Amazon prices are not included.
Card A: price history
Card B: price history
Want a different pair? Change either card in the comparison tool.