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Black SanDisk Extreme PRO USB-A flash drive with metal body and keyring hole

SanDisk

SanDisk Extreme PRO USB-A 256GB USB 3.2 Gen 2 1000MB/s 900MB/s Black SDCZ820-256G-G46

SKU CH-92JV-EZD56

High-performance USB 3.2 Gen 2 flash drive with 256GB capacity delivering up to 1000MB/s read and 900MB/s write speeds

  • Total capacity256 GB
  • USB standardUSB 3.2 Gen 2
  • USB port typesType A
  • Max read speedUp to 1,000 MB/s
  • Write throughputUp to 900 MB/s
  • Product colorBlack

Capacity 256GB

  • Transfer large files quickly with up to 1000MB/s read speed
  • Save time writing data at up to 900MB/s write speed
  • Connect instantly to standard USB-A ports on laptops and desktops
  • Protect sensitive files using included 128-bit AES encryption
  • Store up to 256GB of projects, media and backups

256 GB USB 3.2 Gen 2 Type A Drive

This SanDisk Extreme PRO flash drive delivers high-speed portable storage for professionals moving large media files between laptops, desktops and workstations. The USB-A connector ensures broad compatibility with current and legacy ports without adapters.

USB 3.2 Gen 2 interface

The Gen 2 specification is the single factor that determines whether the drive can saturate a 10 Gbps host port; on USB 2.0 or 3.0 hosts the same drive will fall back to the host's maximum throughput.

256 GB capacity with 128-bit AES encryption

Comfortable for raw photo batches, 4K video clips and project archives; the hardware password protection secures sensitive data while the recovery suite helps restore accidentally deleted files. When projects exceed the available space a second drive or higher-capacity model is required.

How it compares

Measured against everything we stock in USB Thumb Drives, at today’s prices. Recalculated every night.

Price $90.99
Pricier than about 78% of the 1,099 comparable items (median $31.99).
Total capacity 256 GB
Higher than about 80% of the 746 comparable items (median 64 GB).
Price per TB $355.43 per TB
Pricier than about 68% of the 600 comparable items (median $226.48 per TB).

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Specifications

Product
Brand nameSanDisk
Model nameExtreme PRO USB-A
Part numberSDCZ820-256G-G46
Total capacity256 GB
Product colorBlack
Performance
Max read speedUp to 1,000 MB/s
Write throughputUp to 900 MB/s
Ports & slots
USB standardUSB 3.2 Gen 2
USB port typesType A

Other versions of this model

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Questions about this item

What does the 1000MB/s read speed mean when I plug this drive into my computer?

The 1000MB/s read figure is the maximum sequential speed the Extreme PRO USB-A can sustain on a USB 3.2 Gen 2 port. Real-world throughput will be lower with small files or older ports.

How does the USB 3.2 Gen 2 interface limit the 900MB/s write speed in practice?

USB 3.2 Gen 2 caps at 10Gbps, so the 900MB/s write rating sits near the bus ceiling. You will only reach it on a native Gen 2 Type-A port with UASP enabled.

What physical space does the metal-bodied SDCZ820-256G-G46 need to fit alongside other ports?

The drive uses a standard USB-A plug with a metal casing and integrated keyring hole. Allow roughly the width of two adjacent Type-A sockets for clearance.

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