High end Custom Water Cooled ITX PC Ryzen 7 9850X3D RTX 5090 DV2 Jonsbo Z20

High‑end Custom Water-Cooled ITX PC | Ryzen 7 9850X3D + RTX 5090D V2 | Jonsbo Z20 | 32GB Royal Crown RAM + 2TB GM9 Gen5 SSD + ROG 1200W Titanium PSU


Personal-used mini ITX gaming PC with full custom water cooling.

Newly built, pure home gaming and daily use, excellent condition, fully stable temperature performance.

Full Premium Specs

CPU: AMD Ryzen 7 9850X3D
Zen5 architecture, 8C16T, massive 96MB 3D V-Cache, top-tier gaming CPU for all AAA games and online titles.

GPU: RTX 5090D V2

Motherboard: ASUS ROG B650E-I Gaming ITX
Premium AM5 mini ITX motherboard, stable overclocking, full-featured ROG platform.

RAM: G.Skill Royal Crown 32GB (16GB×2) DDR5 Dual Channel
RGB luxury heatsink memory, perfect lighting sync, ultra stable for gaming & multitasking.

SSD: Acer Predator GM9 2TB PCIe 5.0 SSD
Max read speed up to 14500MB/s, instant system boot and game loading.

PSU: ASUS ROG Loki 1200W Titanium SFX-L
80PLUS Titanium, ATX3.1 & PCIe5.0 standard, native dual 12VHPWR ports, zero burn risk for RTX 5090, 0dB silent fan, 10-year official warranty.

Cooling: Full Custom Loop Water Cooling System
Perfect temperature control, clean tubing, no leakage risk.

Case: Jonsbo Z20 Tempered Glass MATX Case
Case size: 370 × 186 × 295mm (~20L ultra compact)
Portable, minimalist design, high-end desktop aesthetic, space-saving.

Performance & Condition

Fully capable of 4K max-settings AAA games, competitive esports, live streaming, AI rendering, and professional productivity tasks.
Custom loop system fully maintained, clean internal condition, no dust buildup.

First owner personal build. No repair, no damage, no hidden issues.

I also accept custom water-cooled PC building orders for personalized high-end gaming/workstation builds.