NX-B2SE Series|CFexpress™ Type B Memory Card

512 GB

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Multi-use for photos and 4K/8K videos

NX-B2SE series supports a various type of shooting, from still photos to 8K video, and reduces the time it takes to transfer data from the card to PCs or other devices after shooting.

NX-B2SE series has a minimum sustained speed that is sufficient for video recording and a high maximum write/read speed.
This CFexpress Type B memory card supports a various types of shooting, from still photos to 8K video, and reduces the time it takes to transfer data from the card to PCs or other devices after shooting.


NX-B2SE series has a minimum sustained write speed :800 MB/s that supports 8K 30fps video recording, It also has a class-leading read speed1: 1,950 MB/s and write speed1: 1,900 MB/s.
This card can improve operational efficiency by reducing the time required to load data from the card to the PC after shooting.

Max. Read1
NX-B2SE512G:1,950 MB/s

Max. Write1
NX-B2SE512G:1,900 MB/s

Min. Sustained Write1
NX-B2SE512G:800 MB/s

Still Photo Shooting
  Single Shooting Continuous Shooting with Camera Buffer High Speed Continuous Shooting Recommended Shooting Scene
NX-B2SE512G ・Portrait
・Still Life
Movie Recording
Full HD DCI 4K 30fps/
UHD 4K 30fps
DCI 4K 60fps/
6K RAW 60fps
4K 120fps/
8K 30fps
8K 120fps/
6K 160fps


Exterior durability is tested in an environment compliant with CompactFlash Association regulations:

  • Operating Temperature Resistance: 14 ℉ to 158 ℉
  • Shock Resistance
  • X-ray Resistance
  • UV Resistance
  • Magnetic Resistance
  • Anti-Static


Nextorage is testing the operation in various recording modes with the latest high-end cameras. See below for the latest compatibility information:

Check the compatibility ▸
Free Data Recovery Software Download


This software recovers data that has been deleted by mistake or that cannot be read, as far as possible.

Does not support data recovery for content protected and game data files. Not all data may be recoverable.

Learn more ▸


Warranty and product support valid for 5 years from the purchase date


Model / Capacity*

NX-B2SE512G / 512 GB

* 1 GB = 1 billion bytes. The actual usable capacity (user area) is smaller than the indicated capacity due to its use for system area.

Form Factor

CFexpress Type B


PCIe®3.0 × 2, NVMe 1.4

NAND Flash


Max. Sequential speed (Read)1

NX-B2SE512G:1,950 MB/s

Max. Sequential speed (Write)1

NX-B2SE512G:1,900 MB/s

Min. Sustained speed (Write)1

NX-B2SE512G:800 MB/s


Not Support

Storage environment

-40 ℉ to 185 ℉ (-40 ℃ to 85 ℃)

Operating environment

14 ℉ to 158 ℉ (-10 ℃ to 70 ℃)

Dimensions (W×L×T)

Approx. 29.6 ㎜ × 38.5 ㎜ × 3.8 ㎜
(1 3/16 in. × 1 9/16 in. × 5/32 in.)


Approx. 9 g (0.32 oz)

Included item

・Instruction manual & warranty


5 years from the date of purchase

Durability 2

Operating Temperature resistance

14 ℉ to 158 ℉ (-10 ℃ to 70 ℃)

Shock resistance

EIA-364-27A compliant

X-ray resistance

ISO7816-1 compliant

UV resistance

ISO7816-1 compliant

Magnetic resistance

Based on Nextorage internal testing


Certified to IEC 61000-4-2 standard

Software / Compatibility / Manual

Memory Card File Rescue
Detail & Download ▸
CFexpress Type B Memory card compatible devices
View ▸
NX-B2SE Series Instruction Manual [PDF]
View ▸
Product Support

  1. Based on Nextorage test conditions. The actual performance may vary with host devices and environments.
  2. All durability ratings are based on Nextorage test conditions. No guarantee is made that memory cards will be damage-free or that data will remain intact under all circumstances.
    Durability is evaluated with the carrying pouch removed.

Design and specifications are subject to change without notice.
The CFexpress logo are trademarks licensed by the CompactFlash Association.
PCle is trademarks of PCI-SIG.
NVMe is a trademark of NVM Express, Inc.
Other system names and product names are generally registered. trademarks or trademarks of each manufacturer.