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D-Link DUB-E251G 2.5G Ethernet Adapter driver

Hardware ID USB\VID_2001&PID_B302

Vendor
D-Link (VID 2001)
Device
DUB-E251G 2.5G Ethernet Adapter (PID B302)
Bus
USB
Drivers
3
Windows
Windows 7Windows 8Windows 8.1Windows 10Windows 11

Recommended driver

Realtek USB 2.5GbE Family Controller Driver (ARM64)
Version 1156.22.0113.2026 · Jan 13, 2026 · Windows 11 · ARM64
Get driver

All drivers for VID_2001&PID_B302

DriverVersionDateWindowsBits
Realtek USB 2.5GbE Family Controller Driver (ARM64) 1156.22.0113.2026 Jan 13, 2026 Windows 11 ARM64
Realtek USB 2.5GbE Family Controller Driver 1156.22.20.0113 Jan 13, 2026 Windows 11 64-bit
Realtek RTL815x USB Lan Drivers 1153.03.20.1102, 10.49.20.1102, 8.68.20.1102, 7.61.20.1102 Nov 2, 2021 Windows 7–11 32-bit & 64-bit

Is this your device?

  1. Press Win + X and open Device Manager.
  2. Right-click the device (usually under Other devices, with a yellow mark), choose Properties and open the Details tab.
  3. Select Hardware Ids in the list. If the first line starts with USB\VID_2001&PID_B302, the drivers above are for your device.

More about hardware IDs · Fix common device errors

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