All drivers are available for the Dell XPS 15 9550 on Dell's website, also a cache below.
Realtek High Definition Audio Driver
File: Audio_Driver_RYY5N_WN32_6.0.1.8233_A08_02.EXE
8971e7bcecf2e3a271ef722e66855426d130061502f0536a6c1924ac52e12cea
Intel Thunderbolt Controller Driver
File: Intel-Thunderbolt-Controller-Driver_TBT79_WIN_17.4.79.510_A12.EXE
466f836c75de162c7c6711b20fc5545f6c2e5879d06da101176f057a99943426
Realtek Memory Card Reader Driver
File: Realtek-Memory-Card-Reader-Driver_R16KJ_WIN_10.0.17763.21313_A02_02.EXE
af4a4b60bf9418ea47352b28d3a605cb4d47a86fe7a2a98ca06c40a43973b41b
Intel Dynamic Platform and Thermal Framework Driver
File: Intel-Dynamic-Platform-and-Thermal-Framework_74P16_WIN_8.3.10209.6897_A12.EXE
0c7466a93a538f4d409ec399e53446e56405525f255fd447fd0f23559acd1ad7
Intel HID Event Filter Driver
File: Intel-HID-Event-Filter-Driver_5M95W_WIN_1.1.0.313_A03.EXE
0bbaa4dae800600cd9a4dada6bab74d181ef264b959bbdd57576d7ddf60c890a
STMicroelectronics Free Fall Data Protection Driver
File: Chipset_Driver_DFDP5_WN32_4.10.0079_A02_01.EXE
a053637e3119fad18fec6245dae63a8bb1005d2ed29b14456f9fd0d0f338ff9f
Intel 100 Series Chipset Driver
File: Chipset_Driver_H5FY9_WN32_10.1.1.13_A02.EXE
48136f8a58b6d16c9eac7d5caef4dc327db87b36a17953daa73b204caa3481d4
Intel Serial IO Driver
File: Intel-Serial-IO-Driver_WVVGP_WIN_30.100.1943.2_A08.EXE
9c5efe88f0182ea1529950fc3fa3a279d77f36ba4a6927c6c5b522178679bc58
Dell Wireless 1830 WiFi Driver
File: Communications_Driver_R3D5X_WN32_1.442.0.0_A00.EXE
0319d3ac3808fd2656caa2853e74e5d046ab283ae34b9bc060316ca5dd05965f
Intel Dual Band Wireless-AC 8260 Driver
File: Communications_Driver_PJ4PP_WN32_18.1.1535.1946_A01.EXE
11893ed62529b51f8880b81f9a83f9da512eb0823057ef1ff12c404db90239d0
Dell Wireless 1820A Wi-Fi Driver
File: Communications_Driver_PPGXJ_WN32_1.519.0.0_A01.EXE
5e73bf3bd2185c18d27fef1d1dc5da31d66f2a6772cd4c6f10da43647edb6103
Killer Wireless AC 1535 and 1435 Bluetooth Driver
File: Killer-Wireless-AC-1535-and-1435-Bluetooth-Driver_V373W_WIN_10.0.0.916_A14_01.EXE
0ca67fed99a6e80afad1e352be3b4f2a3de48dfc9580aed308b248319d3b42f4
Intel 3165/7265/8260/8265 Wi-Fi driver
File: Intel-3165-7265-8260-8265-Wi-Fi-driver_9XXNN_WIN_21.70.0.6_A09_03.EXE
6f87c016f74f37fb478966d15b1edb297981c77b113a13563d7c82344c1b8c4a
Intel AX200/AX201/9260/9560/9462/8265/8260/7265/3165 Bluetooth UWD Driver
File: Intel-AX200-AX201-9260-9560-9462-8265-8260-7265-3165_C6C99_WIN_21.70.0.3_A17_04.EXE
287ebf256834f57188b982e33600a3b5f27ab546912fc107f63c597f3ace5a10
Killer 1650W/1650X/1435/1435s/1535 WiFi Controller Driver
File: Killer-1650W-1650X-1435-1435s-1535-WiFi-Controller_K7MTH_WIN_2.0.1170_A06_06.EXE
8d5b582988a6ac4f0c2c557c75168cb372f126c470154117edaf7f73b9210839
Dell Wireless 1820A 1830 WiFi Driver
File: DW1820A_1830_WiFi_Win10_x64_1.566.0.2_SETUP_ZPE.exe
d4f01032b41f9f53a6946dd72b054d032774df00515f56a6a60f5abe2c9eeb8f
Dell Wireless 1820A Bluetooth Driver
File: DW1820A_Bluetooth_Win10_12.0.1.1105_USB_x86-x64_Installer_setup_ZPE.exe
71e4c1a1aa934bedbe475e0e6ff9e157bb0cfa0baac1e94a570776a8020aad15
Realtek USB GBE Ethernet Controller Driver
File: Realtek-USB-GBE-Ethernet-Controller-Driver_T3F00_WIN_2.45.2020.0601_A20_01.EXE
84d0c1ec5014c183dc49a4bdeb90b39abe45558a6800da094ace19a060743b24
Intel Rapid Storage Technology F6 Driver
File: Intel-Rapid-Storage-Technology-F6-Driver_KVCV7_WIN64_15.7.3.1019_A02.EXE
33d5fd266fb6cd7dde852232439dbf39b2ff68d755127e1ffd19c309bf4c9277
NVIDIA GeForce/Quadro Series Graphics Driver
File: NVIDIA-GeForce-Quadro-Series-Graphics-Driver_HHH5X_WIN_26.21.14.4270_A21.EXE
26f73c28a0e7141227f485b174e4d343c3e5a34b7ea451da1d17719cd235b5b0
Intel HD/Iris Graphics Driver
File: Intel-HD-Graphics-Driver_2WG4X_WIN_26.20.100.8142_A16.EXE
49c4e85f13942fafbc04688987465ee48efd67626afe8f48daeda411828e18c7
Memory Type: DDR4 SDRAM
Memory Speed: 2133 MHz
Memory Slots: (2 Available)
Memory Slot Type: 260-Pin SO-DIMM
Graphics Type: Dedicated
GPU: NVIDIA GeForce GTX 960M with 2 GB GDDR5 VRAM
Display
Size: 15.6"
Resolution: 3840 x 2160
Touchscreen: Yes
Show: Full Specs/Additional configurations
Processor: Intel Core i5-6300HQ Quad-Core
Base Clock Speed: 2.3 GHz
Maximum Boost Speed: 3.2 GHz
Total Installed Memory: 8 GB
Memory Type: DDR4 SDRAM
Memory Speed: 2133 MHz
Memory Slots: (2 Available)
Memory Slot Type: 260-Pin SO-DIMM
Graphics Type: Dedicated
GPU: NVIDIA GeForce GTX 960M with 2 GB GDDR5 VRAM
Display
Size: 15.6"
Resolution: 3840 x 2160
Touchscreen: Yes
Maximum Brightness: 400 cd/m2
Viewing Angle (H x V): 170 x 170°
Drives
Total Installed Capacity: 256 GB
Solid State Storage: 1 x 256 GB M.2 PCIe
Optical Drive: None
Input/Output Connectors
Ports: 2 x USB 3.1 Gen 1 Type-A
1 x USB 3.1 Gen 2 Type-C
1 x Thunderbolt 3 via USB Type-C
Display: 1 x HDMI
Audio: 1 x 1/8" / 3.5 mm Headphone/Microphone Combo Jack
Integrated Microphone
Integrated Speaker
Media Card Slots: SD/SDHC/SDXC
Communications
Network: None
Wi-Fi: Wi-Fi 5 (802.11ac); Dual-Band (2.4 & 5 GHz)
Bluetooth: Bluetooth 4.1
Webcam: User-Facing: 720p
Battery
Watt Hours / Type: 84 Wh Non-Removable
84 Wh
Cells: 6
Power Supply: 130 W
General
Operating System: Windows 10 Home (64-Bit)
Security: Kensington Lock Slot
Keyboard: Standard Notebook Keyboard (Backlight)
Pointing Device: TouchPad
Dimensions (W x H x D): 14.1 x 0.7 x 9.3" / 357.0 x 17.0 x 235.0 mm
Weight: 4.4 lb / 2.0 kg
Packaging Info
Package Weight: 7.95 lb
Box Dimensions (LxWxH): 19.2 x 13.1 x 3.8"
