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Two slim metal USB 3.0 flash drives, 256GB total, black finish with key-ring hole

SanDisk

SanDisk Z73 USB 3.0 256GB (2×128GB) 130MB/s USB flash drive

SKU CH-2Z9S-M98FW

Twin 128 GB drives give 256 GB total with up to 130 MB/s read speed over USB 3.0

  • Total capacity256 GB (128 GB x 2)
  • USB standardUSB 3.0
  • Max read speedup to 130 MB/s
  • Product dimensions0.66 × 4.242 × 1.321 cm
  • 256 GB total capacity from two 128 GB drives
  • Read speeds up to 130 MB/s over USB 3.0
  • Compact metal casing measures just 0.66 × 4.242 × 1.321 cm
  • SanDisk SecureAccess software adds password-protected folder
  • Key-ring hole keeps the drive attached and easy to find

SanDisk Z73 256GB Twin Pack

This pack contains two SanDisk Z73 USB 3.0 flash drives, each holding 128GB for a total of 256GB. They deliver read speeds up to 130MB/s through a compact metal casing. The drives measure 0.66 x 4.242 x 1.321 cm and include a key-ring hole. SanDisk SecureAccess software provides password-protected file privacy.

Shoppers needing quick portable storage

These drives suit anyone moving photos, videos, music or documents between computers. The paired layout is handy for keeping work and personal files separate. Buyers who require a single larger volume or faster write performance should consider other options. The operating range spans 0°C to 45°C.

130MB/s read speed over USB 3.0

The headline transfer rate reaches 130MB/s when connected to a USB 3.0 port. Actual throughput depends on the host controller and file sizes. This figure is the primary metric for deciding if the drive matches your workflow speed requirements.

How it compares

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

Price $48.99
Pricier than about 63% of the 1,099 comparable items (median $31.99).
Total capacity 256 GB (128 GB x 2)
Higher than about 80% of the 746 comparable items (median 64 GB).
Price per TB $191.37 per TB
Cheaper than about 61% of the 600 comparable items (median $226.48 per TB).

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Specifications

Product
Brand nameSanDisk
Product lineZ73
Total capacity256 GB (128 GB x 2)
Performance
Max read speedup to 130 MB/s
Ports & slots
USB standardUSB 3.0
Size & build
Product dimensions0.66 × 4.242 × 1.321 cm

Questions about this item

How do I install the SanDisk Z73 256GB USB 3.0 flash drive and what step do people often miss?

Plug the drive into a USB 3.0 port for up to 130MB/s read speed; the step often missed is installing the included SanDisk SecureAccess software to enable password-protected file privacy.

What maintenance or replacement will the SanDisk Z73 256GB USB 3.0 flash drive need later?

No scheduled maintenance is required; the drive has no moving parts, so replacement is only needed if physical damage occurs to the metal casing or if the USB connector wears out after extensive insertions.

What limit appears first on the SanDisk Z73 256GB USB 3.0 flash drive during sustained use?

The operating temperature range tops out at 45ºC; prolonged heavy transfers can push the metal casing toward this limit, causing thermal throttling that reduces the 130MB/s read speed before any other constraint appears.

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