Dell Pro Desktops QCT1255 Windows 11 Driver Pack.

Summary: This article provides the summary on the Dell Pro Desktops QCT1255 Windows 11 Driver Pack.

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Instructions

Driver Pack Summary
Model Platform ID Version Release Date Size Link
Dell Pro Desktops QCT1255 Windows11 CYPF4 A03 10/28/2025 494 MB Download Now

Dell Command | Deploy Driver Pack Homepage | Understanding Delta (Comparison) Report

Delta (Comparison)Report:- Previous DriverPack v/s Current DriverPack

(PGWJ0-A02-09/09/2025) v/s (CYPF4-A03-10/28/2025)
Arch Category Driver Previous Current Status
x64 audio

Realtek High Definition Audio Driver

 ReleaseID: W1JGY
Version: 6.0.9791.1		 ReleaseID: W1JGY
Version: 6.0.9791.1

No Change
x64 chipset

AMD Dynamic Root of Trust Measurement Boot Driver

 ReleaseID: J5PDR
Version: 1.0.19.0		 ReleaseID: J5PDR
Version: 1.0.19.0

No Change
x64 chipset

AMD Chipset Driver

 ReleaseID: 3GT59
Version: 7.3.25.941		 ReleaseID: 3GT59
Version: 7.3.25.941

No Change
x64 communication

Sunix Serial and Parallel Card Driver

 ReleaseID: 6WPK2
Version: 10.2.9.0		 ReleaseID: 6WPK2
Version: 10.2.9.0

No Change
x64 communication

Sunix USB 3.2 Cypress Card Driver

 ReleaseID: XX62R
Version: 1.3.0.5		 ReleaseID: XX62R
Version: 1.3.0.5

No Change
x64 network

Intel I226 Ethernet Driver

 ReleaseID: KHHR6
Version: 24.1.0.0		 ReleaseID: KHHR6
Version: 24.1.0.0

No Change
x64 network

MediaTek MT7920/MT7921/MT7922/MT7925 Bluetooth UWD Driver

 ReleaseID: WRCH3
Version: 1.1043.0.532		 ReleaseID: YWTMP
Version: 1.1043.0.545

Replaced
x64 network

MediaTek MT7920/MT7921/MT7922/MT7925 Wi-Fi UWD Driver

 ReleaseID: J8NK8
Version: 5.6.0.3906		 ReleaseID: 1738J
Version: 5.6.0.4093

Replaced
x64 network

Realtek PCIe Ethernet Controller Driver

 ReleaseID: HCRRF
Version: 3.1.2025.102		 ReleaseID: HCRRF
Version: 3.1.2025.102

No Change
x64 video

AMD Radeon Graphics Driver

 ReleaseID: 1GY84
Version: 32.0.12046.1003		 ReleaseID: 1GY84
Version: 32.0.12046.1003

No Change

 

Affected Products

Dell Pro Tower QCT1255
Article Properties
Article Number: 000300788
Article Type: How To
Last Modified: 28 Oct 2025
Version:  5
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