Nextorage 165GB B1 Pro CFexpress Type B Memory Card

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  • Max Read 1950 MB/s
  • Max Write 1900 MB/s

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Nextorage 165GB B1 Pro CFexpress Type B Memory Card

Nextorage NX-B1PRO Series PCIe® 3.0 × 2, NVMe 1.4 CFexpress Type B memory card enables optimization for professional filmmaking and maximizes the potential of the latest cameras while it maintains the quality of the image as well as stability of its performance.

Max Read 1950 MB/s
Max Write 1900 MB/s
Nextorage NX-B1PRO Series provides read speed of up to 1,950 MB/s : near-max theoretical speed of CFexpress Type B, writing speed up to 1,900 MB/s for faster buffer clearance and RAW/8K video recording at high bitrates.

Min Sustained Write 1800 MB/s
A minimum sustained write speed of 1,800 MB/s supporting VPG400 (guaranteed minimum sustained write speed of 400 MB/s) for all capacities ranging from 165 GB to 1,330 GB: ideal for high-speed continuous shooting of RAW images as well as 8K video recording at higher bit rates without dropping frames with the latest high-performance mirrorless cameras.

Dynamic Auto Power Save
The NX-B1PRO Series CFexpress Type B card is equipped with Nextorage’s Dynamic Auto Power Save, a power saving system that reduces 68 % power consumption in video recording compared to non-equipped pSLC CFexpress cards ― contributes not only to saving the camera’s battery life, but to maintaining sustained write speed by preventing thermal throttling.

Dynamic Auto Power Save
“Dynamic Auto Power Save” has an automatic function to adjust the host/card to an appropriate low power consumption mode while recoding. It finds time to conserve the power during non-writing process. This function/technology enables NX-B1PRO series to eliminate up to 68% 1 of power consumption while recording in comparison to the other models without it.

Dynamic Auto Power Save prevents the cards from generating heat, which makes it possible for mirror-less cameras to record up to 1.74 times longer while writing RAW images/videos/media unlike other generic CFexpress Type B Cards.

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


  • Model / Capacity*: NX-B1PRO165G / 165 GB
    Form Factor : CFexpress Type B
    Interface : PCIe®3.0 × 2, NVMe 1.4
    NAND Flash : pSLC
    Max. Sequential speed (Read) : 1,950 MB/s
    Max. Sequential speed (Write) : 1,900 MB/s
    Min. Sustained speed (Write) : 1,800 MB/s
    VPG400 : Support
    Operating Voltage : 3.3 V
    Operating environment : 14 ℉ to 158 ℉ (-10 ℃ to 70 ℃)
    Storage environment : -40 ℉ to 185 ℉ (-40 ℃ to 85 ℃)
    Dimensions (W×L×T) :
    Approx. 29.6 ㎜ × 38.5 ㎜ × 3.8 ㎜
    (1 3/16 in. × 1 9/16 in. × 5/32 in.)
    Mass : Approx. 9 g (0.32 oz)
    Included item : Instruction manual & warranty
    Warranty : 5 years from the date of purchase
  • Durability
    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
    Anti-Static : Certified to IEC 61000-4-2 standard



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