Custom_Mod

SX5 ITX

CPU r7 7800X3D
GPU 7900XTX
Max RAM 96GB
Drives 3
From $2,175
Seller Custom_Mod

The Custom_Mod SX5 ITX is a mini PC powered by the AMD r7 7800X3D (Zen 4 gen). It features 8 performance cores and 16 threads and a AM5 socket. Graphics are handled by the discrete AMD 7900XTX. Supports up to 96GB of RAM across 2 slots at 7200 MT/s. Storage capacity of up to 3 drives including 2 NVMe, 2× 2.5" SATA. Connectivity includes HDMI 2.1. Networking features 1 Ethernet port (up to 2.5G). Dimensions: 345 × 256 × 153mm (13.51L).

CPU & Performance

CPUr7 7800X3D
GenerationZen 4
P-Cores8
Threads16
Single-core76
Multi-core52
SocketAM5

GPU

GPU7900XTX
Discrete GPUYes
Integrated GPUYes
eGPU supportNo

RAM

Max RAM96GB
RAM slots2
Max speed7200 MT/s
ECC supportNo

Storage

Max drives3
NVMe slots2
Gen5 x41
Gen4 x41
2.5" SATA2
SD cardNo

Ports & Connectivity

HDMI 2.11
Max displays6

Network

Max Ethernet1G
2.5G ports1

Physical

Dimensions345 × 256 × 153 mm
Volume13.51L
Fan size140mm

Power

Additional

Recommended for gaming, GPU-accelerated creative work, 3D or graphics-heavy tasks, memory-heavy workloads, and local storage expansion. Consider Custom_Mod SX5 ITX if you want a larger performance-focused mini PC built around its listed AMD r7 7800X3D processor and AMD 7900XTX discrete GPU plus integrated graphics. It is performance-oriented rather than ultra-compact, so it is better suited to users who can accept a larger mini PC chassis.

Custom_Mod SX5 ITX features AMD r7 7800X3D with AMD 7900XTX discrete GPU plus integrated graphics, offering 1× 2.5G Ethernet, HDMI 2.1, and expanded internal storage. CPU details include Zen 4 CPU generation, 8 performance cores, and 16 threads. Memory support includes up to 96GB RAM across 2 slots at 7200 MT/s. Storage support includes up to 3 storage drives including 2 NVMe SSD slots, 1× PCIe Gen5 x4 NVMe and 1× PCIe Gen4 x4 NVMe, and 2× 2.5-inch SATA bays. Display support includes support for up to 6 displays. Port connectivity includes 1× HDMI 2.1 and 1× PCIe x16 expansion slot. Networking includes 1× 2.5G Ethernet. Physical design includes a 345 × 256 × 153 mm chassis (13.51L). Cooling information lists 140 mm main fan.

Based on its overall score of 215.7, Custom_Mod SX5 ITX is positioned as a solid midrange mini PC entry in this dataset; compare it against alternatives by CPU class, GPU type, memory ceiling, storage expansion, LAN, and port selection.

Verdict

Best for

compact gaming, GPU-accelerated creative work, heavy multitasking, VM-heavy workflows, larger multitasking setups.

Avoid if

you want a silent, ultra-low-power office box; you need a high-speed external-GPU or advanced docking path; you need multiple high-speed LAN ports for router or NAS duty.

Alternatives
  • Geekom A6 — better value at comparable performance
  • Lenovo P3 Ultra 13900 A5500 — higher performance ceiling
  • GMKtec/Morefine Nucbox K11 4090M — adds OCuLink for external GPU expansion

Review

The Custom_Mod SX5 ITX is a desktop-replacement mini PC built around AMD r7 7800X3D and AMD 7900XTX discrete graphics. With a listed price around $2,175, it is aimed at buyers looking for compact gaming, GPU-accelerated creative work, heavy multitasking, VM-heavy workflows, larger multitasking setups. The core spec sheet is solid for its class: up to 96GB RAM across 2 slots at 7200 MT/s, up to 3 drives, including 2 NVMe slots (1 PCIe 5.0 x4 NVMe, 1 PCIe 4.0 x4 NVMe, 2.5-inch SATA), 1×2.5GbE, and 1 HDMI 2.1. The 215.7 overall score suggests a more specialized or entry-level role, so it should be judged by fit-for-purpose features rather than raw benchmark ambition. The main reason to pause is fit: avoid it if you want a silent, ultra-low-power office box; you need a high-speed external-GPU or advanced docking path; you need multiple high-speed LAN ports for router or NAS duty. Overall, the Custom_Mod SX5 ITX makes the most sense when its CPU/GPU balance, port selection, and expansion profile match your workload; otherwise, compare it against similarly priced mini PCs with better networking, quieter cooling, or stronger upgrade paths.

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