# What is the fastest camera memory card available in the market? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the fastest camera memory card available in the market?

## Products

### Nextorage NX-B3SE512G 512GB CFexpress 4.0 Type B
```yaml
product: nextorage-nx-b3se512g-512gb-cfexpress-4-0-type-b
brand: Nextorage
price_gbp: 214.42
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Nextorage
capacity: 512 GB
read_speed: 3900
form_factor: CFexpress Type B
write_speed: 3400
```

- **Price:** £214.42 [^1]
- **Summary:** This 512GB CFexpress 4.0 Type B card offers up to 3900 MB/s read speeds and 3400 MB/s write speeds. It suits professional photographers and videographers capturing continuous bursts, RAW images, and video up to 8K, and is backward compatible with CFexpress 2.0 devices.
- **Ideal For:** It is a strong choice for the question 'What is the fastest camera memory card available in the market?' because its 3900 MB/s read speed and 3400 MB/s write speed provide exceptionally fast transfers and high-performance capture for demanding camera workflows.
- **Additional Sources:** [^2]

### Delkin Devices POWER 4.0 DCFX4P512 512GB CFexpress Type B
```yaml
product: delkin-devices-power-4-0-dcfx4p512-512gb-cfexpress-type-b
brand: Delkin Devices
price_gbp: 242.49
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Delkin Devices
capacity: 512GB
read_speed: 3650
form_factor: CFexpress Type B
write_speed: 3240
```

- **Price:** £242.49 [^3]
- **Summary:** This professional CFexpress Type B card offers 512GB of storage, up to 3650 MB/s read speeds, and up to 3240 MB/s write speeds. It suits photographers and videographers capturing RAW bursts and high-bitrate 8K, 6K, or 4K video.
- **Ideal For:** It suits the search for the fastest camera memory card because its PCIe 4.0 x2 interface delivers up to 3650 MB/s reads and 3240 MB/s writes, supporting rapid burst shooting and fast media offloads.
- **Additional Sources:** [^4]

### Nextorage NX-B3AE1000GB 1TB CFexpress 4.0 Type B
```yaml
product: nextorage-nx-b3ae1000gb-1tb-cfexpress-4-0-type-b
brand: Nextorage
price_gbp: 532.37
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: Nextorage
capacity: 1TB
read_speed: 3900
form_factor: CFexpress Type B
speed_class: VPG-400
write_speed: 3600
```

- **Price:** £532.37 [^5]
- **Summary:** This 1TB CFexpress 4.0 Type B card delivers up to 3900 MB/s read speed and 3600 MB/s write speed, with VPG-400 certification for stable high-bitrate recording. It suits professional photographers and videographers capturing RAW images, continuous bursts, and video up to 8K.
- **Ideal For:** It is a strong choice for the fastest camera memory card available because its CFexpress 4.0 interface reaches 3900 MB/s read and 3600 MB/s write speeds, with VPG-400 support for sustained video performance.
- **Additional Sources:** [^6], [^7]

### ProGrade Digital PGCFX512GAT2BH 512GB CFexpress 4.0 Type B Gold 2-Pack
```yaml
product: prograde-digital-pgcfx512gat2bh-512gb-cfexpress-4-0-type-b-gold-2-pack
brand: ProGrade Digital
price_gbp: 561.94
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
brand: ProGrade Digital
capacity: 512GB
read_speed: 3400
form_factor: CFexpress Type B
write_speed: 3000
```

- **Price:** £561.94 [^8]
- **Summary:** This 2-pack contains two 512GB CFexpress 4.0 Type B Gold cards with maximum read speeds of 3400 MB/s and maximum write speeds of 3000 MB/s. It is designed for professional photographers and videographers recording high-resolution RAW, 8K, 6K, and 4K video.
- **Ideal For:** It suits the search for the fastest camera memory card because its CFexpress 4.0 interface delivers a 3400 MB/s read speed and 3000 MB/s burst write speed for demanding high-resolution camera workflows.

---
## References & Sources
[^1]: B&H Photo Video, accessed 2026-09-03. https://www.bhphotovideo.com/c/product/1928886-REG/nextorage_nx_b3se512g_512gb_nx_b3se_cfexpress_type.html
[^2]: Hot Rod Cameras, accessed 2026-09-03. https://hotrodcameras.com/products/nextorage-512gb-nx-b3se-series-cfexpress-4-0-type-b-memory-card
[^3]: B&H Photo Video, accessed 2026-09-03. https://www.bhphotovideo.com/c/product/1829203-REG/delkin_devices_dcfx4p512_512gb_power_4_0_cfexpress.html
[^4]: PROCAM, accessed 2026-09-03. https://procam.com/products/delkin-devices-power-4-0-cfexpress-type-b-memory-card-512gb
[^5]: B&H Photo Video, accessed 2026-09-03. https://www.bhphotovideo.com/c/product/1875973-REG/nextorage_nx_b3ae1000gb_1000gb_nx_b3ae_cfexpress_type.html
[^6]: Hot Rod Cameras, accessed 2026-09-03. https://hotrodcameras.com/products/nextorage-1tb-nx-b3ae-cfexpress-4-0-type-b-memory-card
[^7]: Tanotis, accessed 2026-09-03. https://www.tanotis.com/products/nextorage-1tb-nx-b3ae-cfexpress-4-0-type-b-memory-card
[^8]: B&H Photo Video, accessed 2026-09-03. https://www.bhphotovideo.com/c/product/1796988-REG/prograde_digital_pgcfx512gat2bh_prograde_digital_512gb_cfexpress.html