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Black rectangular USB-A flash drive with metal body and keyring hole

SanDisk

SanDisk Extreme PRO USB Flash Drive SDCZ820-256G-G46 256GB 1000MB/s 900MB/s Black

SKU CH-M547-96KM1

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

  • USB SpecificationUSB 3.2 Gen 2
  • USB ConnectorsType A
  • ColorBlack
  • Capacity256GB
  • Read SpeedUp to 1000MB/s
  • Write SpeedUp to 900MB/s

Capacity 256GB

  • Rapid read speeds up to 1000MB/s slash transfer time
  • Write speeds up to 900MB/s move large files fast
  • USB 3.2 Gen 2 interface delivers 200x USB 2.0 speed
  • 256GB capacity stores massive projects on the go
  • Premium metal body with keyring hole fits any bag

256 GB USB 3.2 Gen 2 flash drive

The SanDisk Extreme PRO SDCZ820-256G-G46 is a USB-A flash drive rated for sequential reads up to 1000 MB/s and writes up to 900 MB/s. It connects over USB 3.2 Gen 2 and offers 256 GB of capacity in a black metal housing with a keyring hole.

Professionals moving large media libraries

Creative workers who transfer multi-gigabyte video or photo batches between laptops and desktops will benefit from the high sustained throughput. Users who only shuffle small documents or need encrypted hardware security should look at something else.

256 GB capacity with 900 MB/s write headroom

The drive comfortably ingests raw photo bursts, 4K footage and full system images without bottlenecking a USB 3.2 Gen 2 port. It runs out when a project archive exceeds the 256 GB limit or when a workflow demands hardware encryption or ruggedised IP-rated protection.

Points forts

  • Rapid read speeds up to 1000MB/s slash transfer time
  • Write speeds up to 900MB/s move large files fast
  • USB 3.2 Gen 2 interface delivers 200x USB 2.0 speed
  • 256GB capacity stores massive projects on the go
  • Premium metal body with keyring hole fits any bag

Caractéristiques

BrandSanDisk
SeriesSanDisk Extreme PRO Flash Drive with USB-A
ModelSDCZ820-256G-G46
Part NumberSDCZ820-256G-G46
USB SpecificationUSB 3.2 Gen 2
USB ConnectorsType A
ColorBlack
Capacity256GB
Read SpeedUp to 1000MB/s
Write SpeedUp to 900MB/s

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Questions sur cet article

Does my computer need a USB 3.2 Gen 2 Type-A port to reach the 1000MB/s read and 900MB/s write speeds?

Yes, a USB 3.2 Gen 2 Type-A port is required for the advertised speeds; older ports will limit performance to their own maximum.

Will this drive work at reduced speed if I plug it into my older USB 2.0 ports?

It is backward compatible with USB 2.0 ports, but transfers will run at USB 2.0 speeds instead of the 1000MB/s read and 900MB/s write rates.

How can I verify the drive is delivering up to 1000MB/s read and 900MB/s write after setup?

Run a benchmark tool such as CrystalDiskMark on a USB 3.2 Gen 2 port; sequential results should approach the stated figures.

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