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Gray rectangular portable SSD with dual USB-C and USB-A connectors, compact and lightweight

MemoStone

MemoStone US4-2TB portable SSD 2TB USB 3.1 Gen 2 540MB/s Gray

SKU CH-HK4M-CVVB1

Portable 2TB SSD with USB 3.1 Gen 2 interface delivering 540MB/s read and 470MB/s write speeds in a dual Type-A and Type-C design

  • Form FactorType C & Type A
  • Capacity2TB
  • Memory Components3D NAND
  • InterfaceUSB 3.1 Gen 2
  • ColorGray
  • Max Sequential ReadUp to 540 MBps

Capacity US4-2TB

  • 2 TB capacity stores large media libraries and backups
  • USB 3.1 Gen 2 delivers up to 540 MB/s read and 470 MB/s write speeds
  • Dual Type-C and Type-A connectors work with laptops, phones and desktops without adapters
  • Pocket-sized at 85.2 × 20.5 × 8.0 mm and 100 g for everyday carry
  • 3D NAND rated for 1 000 000 hours MTBF and 2.15 W active power

MemoStone US4 2TB portable SSD

The MemoStone US4 is a 2TB external solid-state drive with a USB 3.1 Gen 2 interface. It uses 3D NAND memory and offers sequential reads up to 540 MBps and writes up to 470 MBps. The drive weighs 100g and measures 85.2mm by 20.5mm by 8.0mm.

Dual USB-A and USB-C compatibility

This drive suits users who need a single portable SSD that plugs directly into both USB-C and USB-A ports without an adapter. It is not for buyers who want more than 2TB of capacity or who require sustained write speeds above 470 MBps for professional video work.

USB 3.1 Gen 2 540 MBps read speed

The decisive specification is the USB 3.1 Gen 2 interface delivering up to 540 MBps sequential read performance. This determines whether the drive can feed data fast enough for your workflow on the ports you have available.

Ciri-ciri utama

  • 2 TB capacity stores large media libraries and backups
  • USB 3.1 Gen 2 delivers up to 540 MB/s read and 470 MB/s write speeds
  • Dual Type-C and Type-A connectors work with laptops, phones and desktops without adapters
  • Pocket-sized at 85.2 × 20.5 × 8.0 mm and 100 g for everyday carry
  • 3D NAND rated for 1 000 000 hours MTBF and 2.15 W active power

Spesifikasi

BrandMemoStone
SeriesUS4
ModelUS4-2TB
Part NumberUS4-2TB
Form FactorType C & Type A
Capacity2TB
Memory Components3D NAND
InterfaceUSB 3.1 Gen 2
ColorGray
Max Sequential ReadUp to 540 MBps
Max Sequential WriteUp to 470 MBps
MTBF1,000,000 hours
Power Consumption (Active)2.15W
Operating Temperature-5°C ~ +60°C
Storage Temperature-20°C ~ +75°C
Operating Humidity5-95%
Width85.2mm
Depth20.5mm
Height8.0mm
Weight100g

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What host ports are required to use the 2-in-1 dual drive?

The drive has both a USB Type-C and a USB Type-A connector, so it works with either port on the host device.

Will the drive reach its 540 MBps read speed on a USB 3.0 port?

On a USB 3.0 port the drive will operate at USB 3.0 speeds, which are lower than the 540 MBps maximum quoted for USB 3.1 Gen 2.

How can I confirm the drive is delivering its rated performance after setup?

Run a sequential read benchmark; the drive should approach 540 MBps read and 470 MBps write on a USB 3.1 Gen 2 connection.

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