No, i already have a 4k monitor and hyperx keyboard and mouse and headphones, so only the pcDo you need peripherals like monitor / keyboard / mouse? Do you need a Windows license? Knowing those things will help.
Above budget in Euro's.A setup like this will do it all, but it can be revised to your needs.
PCPartPicker part list / Price breakdown by merchant
Type|Item|Price
:----|:----|:----
CPU | Intel - Core i9-9900K 3.6 GHz 8-Core Processor | £464.31 @ BT Shop
CPU Cooler | Corsair - H100i PRO 75 CFM Liquid CPU Cooler | £97.98 @ Aria PC
Motherboard | Gigabyte - Z390 GAMING X ATX LGA1151 Motherboard | £124.51 @ CCL Computers
Memory | Corsair - Vengeance LPX 32 GB (2 x 16 GB) DDR4-3000 Memory | £154.38 @ Aria PC
Storage | Crucial - MX500 500 GB 2.5" Solid State Drive | £53.98 @ Amazon UK
Storage | Seagate - BarraCuda 1 TB 3.5" 7200RPM Internal Hard Drive | £34.50 @ Amazon UK
Video Card | Palit - GeForce RTX 2080 Ti 11 GB GamingPro Video Card | £966.99 @ Aria PC
Case | Phanteks - Eclipse P300 Tempered Glass (Black) ATX Mid Tower Case | £50.37 @ CCL Computers
Power Supply | SeaSonic - FOCUS Plus Gold 750 W 80+ Gold Certified Fully-Modular ATX Power Supply | £95.47 @ Scan.co.uk
| Prices include shipping, taxes, rebates, and discounts |
| Total | £2042.49
| Generated by PCPartPicker 2019-04-12 21:18 BST+0100 |