Intel(R) Smart Sound Technology (Intel(R) SST) driver

Hardware ID PCI\VEN_8086&DEV_4B55

Vendor
Intel(R) (VEN 8086)
Device
Smart Sound Technology (Intel(R) SST) (DEV 4B55)
Bus
PCI / PCI Express
Drivers
12
Windows
Windows 10Windows 11

Recommended driver

Version 31.0.101.2141 · Mar 30, 2026 · Windows 10, 11 · 32-bit & 64-bit
Get driver

All drivers for VEN_8086&DEV_4B55

DriverVersionDateWindowsBits
Intel Graphics Driver (Iris Plus, UHD, HD Graphics) 31.0.101.2141 Mar 30, 2026 Windows 10, 11 32-bit & 64-bit
Intel Graphics Driver (UHD, HD Graphics) 31.0.101.2141 Mar 30, 2026 Windows 10, 11 32-bit & 64-bit
Intel HD/UHD/Iris/Pro Graphics Driver 30.0.101.1404 Mar 10, 2022 Windows 10, 11 64-bit

Lenovo packages for this device

Packages published by computer makers for their own models. They contain the same chip drivers, configured for those computers.

DriverVersionDateWindowsBits
Intel SST Driver (Lenovo) 10.29.00.12635 Jun 5, 2026 Windows 11 64-bit
Intel SST Driver (Lenovo) 10.29.00.12635 Jun 5, 2026 Windows 10, 11 64-bit
Realtek Audio Driver (Lenovo) 6.0.9764.1 Nov 12, 2025 Windows 10, 11 64-bit
Realtek Audio Driver (Lenovo) 6.0.9764.1, 10.29.00.12316 Oct 10, 2025 Windows 10, 11 64-bit
Realtek Audio Driver (Lenovo) 6.0.9847.1 Sep 17, 2025 Windows 10, 11 64-bit

Dell packages for this device

DriverVersionDateWindowsBits
Realtek High Definition Audio Driver (Dell) 10.0.251.5 Jul 17, 2025 Windows 10, 11 64-bit
Realtek High Definition Audio Driver (Dell) 10.0.251.1 May 16, 2024 Windows 10, 11 64-bit
Realtek High Definition Audio Driver (Dell) 10.0.249.1 Apr 12, 2024 Windows 10, 11 64-bit
Realtek High Definition Audio Driver (Dell) 10.0.235.1 Feb 25, 2024 Windows 10, 11 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 PCI\VEN_8086&DEV_4B55, the drivers above are for your device.

More about hardware IDs · Fix common device errors

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