Are you obligated to buy a specific brand?
Chassis & Display
17.3" Matte Full HD 144Hz 72% NTSC LED Widescreen (1920x1080) + G-Sync
Processor (CPU)
Intel® Core™ i9 Eight Core Processor i9-9900K (3.6GHz) 16MB Cache
Memory (RAM)
32GB Corsair 2400MHz SODIMM DDR4 (2 x 16GB)
Graphics Card
NVIDIA® GeForce® RTX 2080 - 8.0GB GDDR6 Video RAM - DirectX® 12.1
1st Storage Drive
4TB Samsung 860 QVO 2.5" SSD, SATA 6Gb/s (upto 550MB/sR | 520MB/sW)
2nd Storage Drive
4TB Samsung 860 QVO 2.5" SSD, SATA 6Gb/s (upto 550MB/sR | 520MB/sW)
1st M.2 SSD Drive
2TB SAMSUNG 970 EVO PLUS M.2, PCIe NVMe (up to 3500MB/R, 3300MB/W)
2nd M.2 SSD Drive
2TB SAMSUNG 970 EVO PLUS M.2, PCIe NVMe (up to 3500MB/R, 3300MB/W)
Memory Card Reader
Integrated 6 in 1 Card Reader (SD /Mini SD/ SDHC / SDXC / MMC / RSMMC)
AC Adaptor
1 x 330W AC Adaptor
Power Cable
1 x 1 Metre UK Power Cable (Kettle Lead)
Battery
8 Cell Lithium Ion Battery (82WH)
Sound Card
Intel 2 Channel High Definition Audio + MIC/Headphone Jack
Bluetooth & Wireless
GIGABIT LAN & WIRELESS INTEL® Wi-Fi 6 AX200 (2.4 Gbps) + BT 5.0
USB/Thunderbolt Options
4 x USB 3.0 Ports + 2 x USB 3.1 Type C Ports
Keyboard Language
BACKLIT UK KEYBOARD WITH NUMBER PAD
Operating System
Windows 10 Home 64 Bit
Windows Recovery Media
Windows 10 Multi-Language Recovery Image - Unlimited Downloads from Online Account
Warranty
3 Year Standard Warranty (1 Month Collect & Return, 1 Year Parts, 3 Year Labour)
That's what £4K will buy you, why settle for less?