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Corsair One i500 (i9-14900K / RTX 4090 / 64GB RAM / 2TB SSD) specifications and in-depth review

Corsair One i500 (i9-14900K / RTX 4090 / 64GB RAM / 2TB SSD)

Manufacturer: Corsair

The Corsair One i500 is a compact Micro-ATX gaming PC built around Intel's Core i9-14900K processor and NVIDIA's GeForce RTX 4090 graphics card. Designed to pack desktop-class hardware into a relatively small chassis with a volume of 22,047.3 cm³, it targets users who want a pre-built system with flagship-tier GPU performance without occupying the space of a full tower. The system ships with 64GB of DDR5 RAM running at 6,000 MHz and a 2TB NVMe SSD, covering both memory bandwidth and fast storage from the outset.

On the graphics side, the RTX 4090 is based on NVIDIA's Ada Lovelace architecture built on a 4 nm process node, featuring 16,384 shading units, 24GB of GDDR6X memory across a 384-bit bus, and a maximum memory bandwidth of 1,018 GB/s. Floating-point performance is rated at 82.58 TFLOPS, with GPU boost clocks reaching 2,520 MHz. The card supports ray tracing, DLSS, DirectX 12 Ultimate, and up to four simultaneous displays via three DisplayPort outputs and one HDMI 2.1 port. Connectivity is handled through Wi-Fi 6E, Bluetooth 5.3, and a broad USB port selection that includes USB 3.2 Gen 2x2 and multiple USB-A ports across several generations, alongside a single RJ45 Ethernet port.

Pros
  • The RTX 4090 GPU delivers 82.58 TFLOPS of floating-point performance with 16,384 shading units and 1,018 GB/s memory bandwidth, making it well-suited for demanding rendering and compute workloads
  • The i9-14900K CPU spans 32 threads using big.LITTLE technology, with P-cores reaching up to 6 GHz via Turbo Boost, handling heavily threaded tasks without bottlenecking the GPU
  • Wi-Fi 6E support alongside Bluetooth 5.3 and a wired RJ45 port provides a full range of modern networking options in a compact chassis
  • The 2TB NVMe SSD offers fast storage access without relying on slower SATA-based drives, keeping load times low for large applications and game libraries
  • ECC memory support adds a layer of data integrity rarely found in consumer gaming PCs, which can be useful for workstation-adjacent tasks
  • With three DisplayPort outputs and one HDMI 2.1 port, the system can drive up to four displays simultaneously
Cons
  • The Micro-ATX chassis volume of 22,047.3 cm³ leaves limited internal space, which may constrain airflow and long-term thermal management under sustained full load
  • There are no Thunderbolt 3 or Thunderbolt 4 ports, limiting high-bandwidth peripheral and external GPU enclosure options
  • The system lacks a 3.5 mm headset jack, requiring users to rely on USB audio or the S/PDIF output for analog audio needs
  • With only two memory slots and a maximum supported RAM speed of 5,600 MHz against the installed kit running at 6,000 MHz, the platform imposes a ceiling on memory expandability and official speed support
  • There is no external memory card slot, which reduces convenience for users who frequently transfer files from SD cards or similar media
Who is this for?

This system is well-suited to users who need sustained, high-throughput performance from a compact desktop form factor. The combination of a 32-thread CPU with turbo speeds reaching 6 GHz and a GPU rated at 82.58 TFLOPS with 24GB of GDDR6X VRAM makes it a strong fit for tasks like 3D rendering, video production, and simulation workloads alongside high-fidelity gaming. The support for up to four simultaneous displays via DisplayPort and HDMI 2.1 also makes it practical for multi-monitor creative or productivity setups. Users who require ECC memory support and large VRAM headroom for data-intensive or workstation-adjacent applications will find the hardware well-matched to those demands.

Who is this NOT for?

This system is a poor fit for users who prioritize portability or space efficiency, as the chassis — despite its Micro-ATX classification — occupies a volume of over 22,000 cm³ and is strictly a desktop unit. Those who rely on Thunderbolt connectivity for high-speed peripherals, external storage arrays, or docking solutions will find its absence a significant limitation. The lack of a 3.5 mm audio jack and external memory card slot makes it less convenient for users who regularly work with analog audio equipment or frequently transfer files from camera cards and similar media. It is equally unsuitable for anyone seeking a quiet, low-power desktop, given the 450W CPU TDP alone signals substantial power draw and heat output under load.

General info:

SSD storage capacity 2000GB
form factor Micro-ATX
Is an NVMe SSD ✓
volume 22047.3 cm³
thickness 300 mm
height 393 mm
width 187 mm

The Corsair One i500 uses a Micro-ATX form factor with dimensions of 393 mm in height, 187 mm in width, and 300 mm in depth, resulting in a total chassis volume of 22,047.3 cm³. Storage is handled by a 2,000GB NVMe SSD, offering fast read and write access through the NVMe interface rather than a conventional SATA drive.

Graphics card:

VRAM 24GB
floating-point performance 82.58 TFLOPS
effective memory speed 21200 MHz
GPU clock speed 2230 MHz
GPU memory speed 1325 MHz
GPU turbo 2520 MHz
GDDR version GDDR6X
DirectX version DirectX 12 Ultimate
PCI Express (PCIe) version 4
supports ray tracing ✓
texture rate 1290 GTexels/s
pixel rate 443.5 GPixel/s
maximum memory bandwidth 1018 GB/s
memory bus width 384-bit
supports DLSS ✓
supported displays 4
semiconductor size 4 nm
texture mapping units (TMUs) 512
shading units 16384
render output units (ROPs) 176
OpenGL version 4.6
OpenCL version 3
has LHR ✕
Supports multi-display technology ✓
Has Double Precision Floating Point (DPFP) ✓
Supports 3D ✓
has RGB lighting ✕
number of transistors 76300 million

The graphics card features 24GB of GDDR6X VRAM across a 384-bit memory bus, delivering a maximum memory bandwidth of 1,018 GB/s and an effective memory speed of 21,200 MHz. Floating-point performance is rated at 82.58 TFLOPS, supported by 16,384 shading units, 512 texture mapping units, and 176 render output units, with a texture rate of 1,290 GTexels/s and a pixel rate of 443.5 GPixel/s. The GPU runs at a base clock of 2,230 MHz and boosts up to 2,520 MHz, and is fabricated on a 4 nm process containing 76,300 million transistors. It connects via PCIe 4.0 and supports ray tracing, DLSS, DirectX 12 Ultimate, OpenGL 4.6, OpenCL 3, double precision floating point, stereoscopic 3D, and multi-display output across up to four screens. The card does not include LHR restrictions or RGB lighting.

CPU:

CPU speed 8 x 3.2 & 16 x 2.4 GHz
Has integrated graphics ✓
Has an unlocked multiplier ✓
L2 cache 32 MB
L3 cache 36 MB
turbo clock speed 6GHz
CPU threads 32 threads
uses multithreading ✓
Turbo Boost version 2
clock multiplier 32
Supports 64-bit ✓
CPU temperature 100 °C

The CPU operates across 32 threads with a core configuration running at 8 cores at 3.2 GHz and 16 cores at 2.4 GHz, reaching a turbo clock speed of 6 GHz via Turbo Boost version 2. It carries 32 MB of L2 cache and 36 MB of L3 cache, and features an unlocked multiplier set at 32, allowing for clock speed adjustments. The processor supports multithreading, 64-bit operation, and includes integrated graphics, with a maximum rated CPU temperature of 100 °C.

Benchmarks:

Geekbench 6 result (multi) 20358
Geekbench 6 result (single) 3063
PassMark (G3D) result 39312
PassMark result 58653
PassMark result (single) 4696
PassMark result (overclocked) 62076
PassMark (DirectCompute) result 31988

In Geekbench 6, the system scores 3,063 in the single-core test and 20,358 in the multi-core test. PassMark results show an overall score of 58,653, with a single-core result of 4,696 and an overclocked result of 62,076. The GPU-focused PassMark G3D test returns 39,312, while the PassMark DirectCompute result stands at 31,988.

Memory:

RAM 64GB
RAM speed 6000 MHz
DDR memory version 5
memory slots 2

The system is equipped with 64GB of DDR5 RAM running at 6,000 MHz, spread across two memory slots. The use of DDR5 brings higher bandwidth and improved efficiency over previous generations, and the dual-slot configuration leaves room for potential memory adjustments within the available slots.

Connectivity:

Wi-Fi version Wi-Fi 6E (802.11ax), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
supports Wi-Fi ✓
USB 2.0 ports 4
USB 3.2 Gen 2 ports (USB-A) 3
USB 3.2 Gen 1 ports (USB-A) 2
USB 3.2 Gen 2 ports (USB-C) 1
USB 4 40Gbps ports 0
USB 4 20Gbps ports 0
USB 3.2 Gen 2x2 ports 1
USB 3.2 Gen 1 ports (USB-C) 0
RJ45 ports 1
Thunderbolt 4 ports 0
Thunderbolt 3 ports 0
DisplayPort outputs 3
HDMI version HDMI 2.1
HDMI ports 1
Has Bluetooth ✓
Bluetooth version 5.3
has an external memory slot ✕
DVI outputs 0
Has S/PDIF Out port ✓
has a socket for a 3.5 mm audio jack ✕
has a VGA connector ✕

Wireless connectivity covers Wi-Fi 6E (802.11ax) along with backwards-compatible Wi-Fi 6, Wi-Fi 5, and Wi-Fi 4, paired with Bluetooth 5.3. Wired networking is handled through a single RJ45 port. The USB port selection includes four USB 2.0 ports, three USB 3.2 Gen 2 ports (USB-A), two USB 3.2 Gen 1 ports (USB-A), one USB 3.2 Gen 2 port (USB-C), and one USB 3.2 Gen 2x2 port; there are no USB 4, USB 3.2 Gen 1 USB-C, Thunderbolt 3, or Thunderbolt 4 ports. Display output is provided via three DisplayPort outputs and one HDMI 2.1 port, with no DVI or VGA connectors present. Audio connectivity includes an S/PDIF output, though there is no 3.5 mm headset jack, and the system does not feature an external memory card slot.

Miscellaneous:

has an HDMI output ✓
Supports ECC memory ✓
USB-C ports 0
Has air-water cooling ✕
Thermal Design Power (TDP) 450W
mini DisplayPort outputs 0
has XeSS (XMX) ✕
GPU architecture Ada Lovelace
GPU name UHD Graphics 770
Type Desktop
chipset B760, H770, Z790, H610, H670, B660, Z690
CPU socket LGA 1700
instruction sets MMX, SSE 4.1, SSE 4.2, AVX, AVX2, AES, F16C, FMA3
Has NX bit ✓
GPU execution units 32
memory channels 2
maximum memory amount 192GB
Uses big.LITTLE technology ✓
RAM speed (max) 5600 MHz

The desktop CPU uses an LGA 1700 socket and is compatible with a range of chipsets including B760, H770, Z790, H610, H670, B660, and Z690. It employs big.LITTLE technology and supports instruction sets covering MMX, SSE 4.1, SSE 4.2, AVX, AVX2, AES, F16C, and FMA3, along with an NX bit for hardware-level security. The processor operates across two memory channels, supports up to 192GB of RAM at a maximum speed of 5,600 MHz, and is compatible with ECC memory. Its integrated graphics are based on the UHD Graphics 770 with 32 execution units, while the dedicated GPU follows the Ada Lovelace architecture. The system has a CPU TDP of 450W, includes an HDMI output, and does not feature mini DisplayPort outputs, USB-C ports, air-water cooling, or XeSS support.

Final Verdict

The Corsair One i500 in its i9-14900K and RTX 4090 configuration is a compact desktop that packs a genuine workstation-class hardware profile into a Micro-ATX chassis. Its most defining characteristic is the RTX 4090 GPU with 24GB of GDDR6X VRAM and over 82 TFLOPS of compute throughput, which, combined with a 32-thread CPU capable of reaching 6 GHz and 64GB of DDR5 RAM, positions it firmly for users who demand consistent performance across both intensive creative workloads and high-fidelity gaming. The trade-offs — including the absence of Thunderbolt ports, no 3.5 mm audio jack, and a 450W CPU TDP — reflect the compromises inherent to fitting this level of hardware into a constrained form factor. For users whose workflows align with its strengths and who can work within its connectivity limitations, the Corsair One i500 represents a well-specified, high-throughput desktop system that leaves little headroom to criticize on raw capability alone.

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