SDCFEC-640G-GN4NN - Western Digital SanDisk PRO-CINEMA CFexpress | Aztek Computers
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SKU: PCVUU13IIP |  Mfg. Part: SDCFEC-640G-GN4NN  | UPC: 619659205539  | 
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SDCFEC-640G-GN4NN - Western Digital SanDisk PRO-CINEMA CFexpress Type B Memory Card 640GB

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Product Overview

The SanDisk PRO-CINEMA CFexpress Type B Memory Card with a storage capacity of 640GB is expertly designed for professional filmmakers working with cinema cameras that utilize CFexpress technology. Experience lightning-fast performance with sequential read speeds of up to 1700 MB/s and write speeds reaching 1500 MB/s, making it ideal for capturing stunning 8K (7680 x 3420) video without compromising quality. The card ensures reliable performance with sustained write speeds of 1400 MB/s and adheres to the VPG-400 standard, guaranteeing minimum write speeds of 400 MB/s for impeccable data integrity.

Durability is a hallmark of this memory card, as it can withstand drops from heights of up to 3.3 feet and endure substantial force, ensuring your data is safe even in demanding environments.

Expert Overview

The Western Digital SanDisk PRO-CINEMA CFexpress Type B Memory Card, part number SDCFEC-640G-GN4NN, is a 640GB storage solution engineered for professional filmmakers. This memory card is designed for use with cinema cameras that support CFexpress Type B technology. It provides sequential read speeds of up to 1700 MB/s and sequential write speeds of up to 1500 MB/s. With sustained write speeds of 1400 MB/s and adherence to the VPG-400 standard, it is suitable for capturing 8K (7680 x 3420) video. The card's design includes durability features such as resistance to drops from up to 3.3 feet and the ability to withstand substantial force, addressing the need for reliable data storage in demanding production environments.

Technical Specifications

  • Designed for professional filmmakers using CFexpress technology
  • Optimal 8K video capture with sustained 1400 MB/s write speeds
  • Durable design resistant to drops up to 1 meter and 50 newtons of force
  • Capacity: 640GB
  • Form Factor: CFexpress Type B
  • Connector: CFexpress Type B
  • Compatibility: Designed for cameras with CFexpress Type B slots
  • Sequential Read Performance: Up to 1700 MB/s
  • Sequential Write Performance: Up to 1500 MB/s
  • Warranty: Lifetime Limited Warranty
  • Dimensions: 0.09" x 1.43" x 1.68" (L x W x H)
  • Weight: 8.5 grams

Product Details

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  • Western Digital
  • SDCFEC-640G-GN4NN
  • B0CJKQJTTN
  • 619659205539
  • New
  • 0.9 lbs
  • 5 X 5 X 5
  • Aug 02, 2026
  • Aug 21, 2025
Product Identifiers: Brand: Western Digital • Part #: SDCFEC-640G-GN4NN • UPC: 619659205539 • ASIN: B0CJKQJTTN

Frequently Asked Questions

What is the primary use case for this memory card?

This memory card is designed for professional filmmakers working with cinema cameras that utilize CFexpress technology, specifically for capturing 8K video.

What are the key performance specifications for this card?

It offers sequential read speeds of up to 1700 MB/s, sequential write speeds of up to 1500 MB/s, and sustained write speeds of 1400 MB/s, meeting the VPG-400 standard.

What form factor and connector type does this card use?

This memory card utilizes the CFexpress Type B form factor and connector, designed for compatibility with cameras featuring CFexpress Type B slots.

What are the durability features of this memory card?

The card is designed to withstand drops from heights of up to 3.3 feet (1 meter) and endure up to 50 newtons of force.

SDCFEC-640G-GN4NN - Western Digital SanDisk PRO-CINEMA CFexpress Type B Memory Card 640GB

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$572.51