Gaming 812B – Onyx Vision

Push & Pull Airflow
Efficient cooling and easily accessible dust filters
Keep your system cool and efficient with an optimized push & pull airflow system. The Onyx Vision chassis ensures that fresh air is constantly drawn in, while warm air is effectively dissipated. This design helps to keep temperatures stable even during intense gaming sessions or heavy workloads, reducing the risk of thermal throttling and ensuring your components maintain their optimal performance.
For easy maintenance, the case has a pull-out dust filter underneath the power supply unit, which can be pulled out like a drawer for quick cleaning and convenient access. An additional magnetic dust filter is located behind the side intake fans and helps to keep dust out of the system without affecting the airflow.


I/O panel
Stay Connected
Designed for modern connectivity, the front I/O panel provides quick and easy access to essential ports. Equipped with 1x high-speed USB-C port, 2x USB-A ports and 1x HD audio jack, it ensures effortless connectivity for peripherals, external storage and audio devices. In addition to the power button, the case has an LED button that allows for easy visual customization


Spacious and versatile interior
Building your dream setup has never been easier than with the optimized layout. The 812B case offers plenty of space for high-end components, including motherboards (BTF, ATX, Micro-ATX, Mini-ITX), graphics cards (up to 400 mm), CPU air coolers (up to 190 mm), power supply units (up to 240 mm) and up to 4 hard disks/SSDs (2x 2.5″ and 2x 3.5″). Whether you’re putting together a gaming powerhouse or a professional workstation, the smart design ensures simple cable management, easy installation and seamless upgrades, making every build process smooth and fun.
Keeping it Cool
Pre-installed RGB fans for quiet and efficient cooling
Get started with powerful cooling right out of the box. The case is already equipped with our latest LUME ARGB fans – one 140mm and two 140mm reverse fans – which provide excellent airflow with minimal noise. Designed for efficient heat dissipation and whisper-quiet operation, these fans ensure your system stays cool without generating excessive noise, giving you the perfect balance between cooling performance and acoustic comfort.


Endless customization options
Integrated ARGB and PWMFan control stroke
With the integrated ARGB and PWM fan control hub, you have complete control over your cooling and lighting. Synchronize your RGB lighting with compatible components and adjust the fan speed to your preferences. Connect your fans and compatible components to the HUB and motherboard with 4-pin PWM and 3-pin RGB to enjoy custom fan speeds and colors with your motherboard’s software.
Support for BTF mainboards
BTF compatibility
Our 812B case supports BTF, Stealth and Project Zero motherboards and allows for a clean and cable-free look by routing all ports through the back. Enjoy a clean, uncluttered interior and improved airflow; perfect for modern, minimalist builds with the latest technology.


Extensive cooling support
& a variety of mounting options for fans and water coolers
Effective cooling is crucial for maintaining peak performance, and our Onyx Vision case is equipped with good compatibility for fans and radiators. With support for 120mm and 140mm fans and multiple mounting options for radiators, you can tailor your cooling system to your exact needs. Whether you prefer air or water cooling, this case offers the flexibility to create an optimal thermal solution for your system.
Outdoor area
quality with tempered glass and reinforced frame
Designed for both durability and aesthetics, the Onyx Vision case features a 1.0mm thick metal frame that provides excellent structural strength and long-term reliability. The 4mm tempered glass side panels not only add a premium touch to the device, but also allow you to showcase your build in stunning detail. Whether you’re a minimalist or an RGB enthusiast, this robust yet elegant design will ensure your system looks as good as it performs. In addition, the 4 removable side panels of the case (2x glass, 1x top, 1x rear) can be removed completely toolless. The side panels are easy to click in and out, so you can replace your components quickly and easily.



Padded, height-adjustable GPU holder
Reliable support for heavy GPUs
The integrated GPU holder prevents sagging and holds heavy graphics cards up to 400 mm in length securely in place. Thanks to the padded support surfaces, the graphics card is also protected. The bracket is height-adjustable and can be easily attached using knurled screws, allowing quick and tool-free adjustment.
Intelligent cable management
Clean builds made easy
Pre-installed Velcro straps and additional cable guide holders facilitate cable management and ensure a tidy system. The Standardized front panel connection simplifies installation on the mainboard, as the front I/O connections are combined in a single connector. In addition, a separate LED cable already pre-installed and with the ARGB/PWM fan hub on the back of the housing, which enables simple control of the lighting and a faster system setup. How these all I/O panel cables have black sleeves. sleeves and black cable headswhich creates a particularly elegant and uniform look for black builds is created.


Mounting options for graphics cards
7 slots to adapt to your system
Our Gaming 812B case has seven PCI slots, allowing you to expand your system as required. You can easily install your graphics cards with a length of up to 400 mm. All PCI slots can be retrofitted using the screws supplied.
Beschreibung | Wert |
|---|---|
General | |
Enclosure type | Midi ATX tower |
Compatible mainboards | BTF, ATX, Micro-ATX, Mini-ITX |
Material | Metal, plastic, tempered glass |
Case color | Black |
Front panel | Black |
Test mark | CE |
Manufacturer code | LC-812B-ON |
Barcode | 4262443281439 |
Dimensions & weight | |
Housing dimensions (HxWxD) | 472 x 235 x 455 mm |
Cage dimensions (HxWxD) | 460 x 235 x 445 mm |
Packaging dimensions (HxWxD) | 542 x 290 x 515 mm |
Weight | 9.10 kg (product) |
Steel thickness | 1 mm |
Drives & installation options | |
3.5" HDD internal | up to 2 |
2.5" HDD/SSD internal | up to 2 |
Installation options | 2x 2.5" + 2x 3.5" |
5.25" external slot | - |
3.5" external slot | - |
Beschreibung | Wert | |
|---|---|---|
Expansion slots | ||
Horizontal PCI slots | 8/3 (total/screwable) | |
PCI slots vertical | 0/0 (total/screwable) | |
Cooling & fan | ||
Case fan | 8/3 (total/scope of delivery) | |
MB tray: 2x 120 mm or 2x 140 mm | ||
Radiators | 120 / 140 / 240 / 280 / 360 mm | |
CPU cooler up to | 190 mm height | |
Graphics card & power supply unit | ||
Graphics cards up to | 400 mm length | |
Power supply form factor | ATX | |
Power supply units up to | 240 mm length | |
Integrated power supply unit | - | |
I/O panel & connections | ||
USB-C | 1x (Gen. 3.2 1x1) | |
USB-A | 2x (Gen. 3.2 1x1) | |
Audio port | Audio-Out, 3.5 mm jack |
Experience the 812B ATX gaming case from LC-Power! Onyx Vision offers you a host of features and configuration options for BTF, ATX, Micro-ATX and Mini-ITX systems!
Features:
- I/O panel with: 1x USB-C (3.2 Gen. 1×1 | 5 Gb/s) 2x USB-A (3.2 Gen. 1×1 | 5 Gb/s) 1x Audio-Out | 3.5 mm jack LED & power button
- BTF mainboard support (back-to-front cable routing already integrated)
- Mainboard tray for cable management and pre-installed Velcro cable guide
- Single-plug front panel connector
- incl. three 140 mm ARGB housing fans and magnetic ARGB hub (MB tray fan with reversed airflow)
- Up to eight housing fans* can be mounted
- Up to four hard disks* can be mounted
- Completely tool-free assembly of all panels
- PSU padding in the power supply bay
- GPU holder with padding and infinitely adjustable height
- Color control via mainboard RGB software, color selection button or remote control*
(*Remote control included in the scope of delivery. Hard disks, additional fans and power supply unit optionally available).
Do you have questions about the product?
Please do not hesitate to contact us.
We will be happy to help you.
















