Corsair ONE i400
Corsair

ONE i400

CPU i7 13700KF
GPU 3080
Max RAM 64GB
Drives 2
From $2,600
Seller Corsair

The Corsair ONE i400 is a mini PC powered by the Intel i7 13700KF (13th gen). It features 8 performance cores and 24 threads and a LGA1700 socket. Graphics are handled by the discrete NVIDIA 3080. Supports up to 64GB of RAM across 2 slots at 5600 MT/s. Storage capacity of up to 2 drives including 1 NVMe, 1× 2.5" SATA. Connectivity includes USB4 40Gbps, HDMI 2.1. Networking features 1 Ethernet port (up to 2.5G). Dimensions: 380 × 200 × 173mm (13.15L). Uses a SFX PSU (750W).

CPU & Performance

CPUi7 13700KF
Generation13th
P-Cores8
Threads24
Single-core86
Multi-core75
SocketLGA1700

GPU

GPU3080
Discrete GPUYes
Integrated GPUYes
eGPU supportNo

RAM

Max RAM64GB
RAM slots2
Max speed5600 MT/s
ECC supportNo

Storage

Max drives2
NVMe slots1
Gen4 x41
2.5" SATA1
SD cardNo

Ports & Connectivity

HDMI 2.11
USB4 40Gbps2
Max displays6

Network

Max Ethernet1G
2.5G ports1
vProN

Physical

Dimensions380 × 200 × 173 mm
Volume13.15L
Fan size120mm
Warranty2 yr

Power

PSU typeSFX
PSU750W

Additional

Recommended for gaming, GPU-accelerated creative work, 3D or graphics-heavy tasks, and larger multitasking workloads. Consider Corsair ONE i400 if you want a larger performance-focused mini PC built around its listed Intel i7 13700KF processor and NVIDIA 3080 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.

Corsair ONE i400 features Intel i7 13700KF with NVIDIA 3080 discrete GPU plus integrated graphics, offering 1× 2.5G Ethernet and USB4 and HDMI 2.1. CPU details include 13th CPU generation, 8 performance cores, and 24 threads. Memory support includes up to 64GB RAM across 2 slots at 5600 MT/s. Storage support includes up to 2 storage drives including 1 NVMe SSD slot, 1× PCIe Gen4 x4 NVMe, and 1× 2.5-inch SATA bay. Display support includes support for up to 6 displays. Port connectivity includes 2× USB4 40Gbps, 1× HDMI 2.1, and 1× PCIe x16 expansion slot. Networking includes 1× 2.5G Ethernet. Physical design includes a 380 × 200 × 173 mm chassis (13.15L). Cooling information lists 120 mm main fan. Power information lists SFX power supply rated at 750W. Lifecycle information lists 2-year warranty.

Based on its overall score of 209.7, Corsair ONE i400 is positioned as a mainstream 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 multiple high-speed LAN ports for router or NAS duty; you need a truly tiny mini PC.

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 Corsair ONE i400 is a desktop-replacement mini PC built around Intel i7 13700KF and NVIDIA 3080 discrete graphics. With a listed price around $2,600, 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 64GB RAM across 2 slots at 5600 MT/s, up to 2 drives, including 1 NVMe slot (1 PCIe 4.0 x4 NVMe, 2.5-inch SATA), 1×2.5GbE, and 2 USB4 40Gbps, 1 HDMI 2.1. The 209.7 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 multiple high-speed LAN ports for router or NAS duty; you need a truly tiny mini PC. Overall, the Corsair ONE i400 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.

Notes

April 27 2024: $2400 to $2600

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