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Nextorage

Japan CFexpress 4.0 Type B 256GB Memory Card Canon, Nikon, Fujifilm, Panasonic Camera Compatible High-Speed Continuous Shooting Max Read Speed 3900MB/s Max Write Speed 2000MB/s NX-B3SE256G

Name: Nextorage Japan CFexpress 4.0 Type B 256GB Memory Card Canon, Nikon, Fujifilm, Panasonic Camera Compatible High-Speed Continuous Shooting Max Read
Brand: Nextorage
SKU: B0DM1C2K2K
Price: 189.99 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-08-21

$189.99

Buy on Amazon — $189.99 Compare to similar games & cartridges

*Price sourced from Amazon.com. Last updated 2026-08-21. Price and availability subject to change.

Bottom line: The Japan CFexpress 4.0 Type B 256GB Memory Card Canon, Nikon, Fujifilm, Panasonic Camera Compatible High-Speed Continuous Shooting Max Read Speed 3900MB/s Max Write Speed 2000MB/s NX-B3SE256G is a niche pick — read recent reviews before buying in the games & cartridges category, priced around $189.99. Read recent reviews carefully before committing.

SpecPicks Verdict

SpecPicks classifies Nextorage Japan CFexpress 4.0 Type B 256GB Memory Card Canon, Nikon… as a niche pick — read recent reviews before buying in the games & cartridges category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Nextorage's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for games & cartridges of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by Nextorage's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

20+ YEARS OF NEXTORAGE ADVANTAGE: Founded in 2019 by former Sony engineers, Nextorage delivers cutting-edge memory solutions with proven reliability.
HIGH PERFORMANCE FOR STILL & VIDEO: Equipped with high-quality TLC NAND flash, the B3SE Series provides the robust and stable performance essential for high-speed continuous still capture and high-resolution video recording up to 8K 60fps.
3,900 MB/s READ, 2,000 MB/s WRITE: Experience a new level of blazing-fast speed with Next-Gen CFexpress 4.0. When paired with a CFexpress 4.0 compatible reader (such as NX-SB1PRO, NX-MFB1SE, SB1SE), it drastically reduces transfer times for massive RAW images and heavy video files, instantly streamlining your post-production workflow.
BUFFER-FREE 400 MB/s HIGH-SPEED CONTINUOUS SHOOTING: Say goodbye to frustrating shutter locks and buffer delays. Featuring high sustained write speeds, this card ensures you never miss a crucial moment—perfect for fast-action photography like wildlife, sports, and aviation, allowing you to shoot continuously with a seamless rhythm, suitable for professional photography.
WIDE RANGE OF COMPATIBILITY: Nextorage CFexpress Type B memory cards are extensively tested for seamless operation with top-tier mirrorless and DSLR cameras, including major brands like Nikon, Canon, Fujifilm, and Panasonic. Also, the series can be used for camera monitor-recorder, such as Atomos products. While built on the latest CFexpress 4.0 standard, this card works safely and at peak performance (up to the 2.0 limits) with all existing CFexpress 2.0 host devices.
PASSED 6 STRICT DURABILITY TESTS: Built tough for extreme environments as it is designed for outdoor and rigorous shoots. The 6 strict durability tests are Shockproof (EIA-364-27A), Temperature-resistant (-12°C to 72°C), X-ray proof (safe for airport security checks), UV-resistant, Anti-magnetic, and Electrostatic-resistant. Keep your valuable data safe from physical mishaps.

Full Specifications

Brand	Nextorage
Color	Blue
Weight	256g
Model Name	NX-B3SE256G
Read Speed	3900 Megabytes Per Second
Media Speed	2000 MB/s
Model Number	NX-B3SE256G
Warranty Type	Limited
Mfr Part Number	NX-B3SE256G/INE
PACKAGE CONTENTS	CFexpress Type B memory card, dedicated case, Memory Card File Rescue (download bonus) and friendly customer service in English.
Flash Memory Type	CFexpress
Compatible Devices	Camera
Additional Features	Drop Proof, Electrostatic resistance, Magnetic Proof, Temperature Proof, X Ray Proof
Warranty Description	5 Year Manufacturer

Ready to buy?

Nextorage Japan CFexpress 4.0 Type B 256GB Memory Card Canon, Nikon, Fujifilm, Panasonic Camera Compatible High-Speed Continuous Shooting Max Read Speed 3900MB/s Max Write Speed 2000MB/s NX-B3SE256G is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-08-21. Price and availability subject to change.