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B&H Photo has the Delkin Devices 650GB BLACK 4.0 CFexpress Type B memory card in their DealZone for $239 (Reg $299). We use Delkin cards and haven’t run into any problems with them.
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Delkin Devices 650GB BLACK 4.0 CFexpress Type B $239 (Reg $299)
Overview
- 650GB Storage Capacity
- PCIe Interface
- Max Read Speed: 3530 MB/s
- Max Write Speed: 3250 MB/s
- Records Raw 8K, 6K, and 4K Video
- Records High Bitrates and Frame Rates
- Records Raw Photos and Rapid Bursts
- Serialized for Added Protection
- Water, Shock, and X-Ray Proof
- Can Withstand Temperature Extremes
Combining reliability and performance, the 650GB BLACK 4.0 CFexpress Type B Memory Card from Delkin Devices features a storage capacity of 650GB and is designed for professional photographers, videographers, and high-end hosts.
It is well-suited for raw and continuous-burst photography as well as raw 8K, 6K, and 4K video at high bitrates and frame rates.
Thanks to a PCIe interface, you’ll be able to achieve maximum read speeds of up to 3530 MB/s and maximum write speeds of up to 3250 MB/s. In addition, this card features sustained write speeds of 2060 MB/s.

Delkin Devices 650GB CFexpress Type B Specs
Quantity | 1 |
Card Type | CFexpress Type B |
Storage Capacity | 650 GB |
Bus Type | PCI-Express |
Read Speed | Maximum: 3530 MB/s |
Write Speed | Maximum: 3250 MB/s Sustained: 2060 MB/s |
Operating Conditions | 32 to 158°F / 0 to 70°C |
Packaging Info
Package Weight | 0.09 lb |
Box Dimensions (LxWxH) | 4.9 x 4.6 x 0.6″ |
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