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home > Open Frame PC Test Bench Mounting Kit — Motherboard, PSU, HDD & GPU Brackets with Power Switch Cable > Open Frame PC Test Bench Mounting Kit — Motherboard, PSU, HDD & GPU Brackets with Power Switch Cable

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Open Frame PC Test Bench Mounting Kit — Motherboard, PSU, HDD & GPU Brackets with Power Switch CableOpen Frame PC Test Bench Mounting Kit Build a DIY Workshop Rig for Motherboard, GPU, PSU & Storage Diagnosing a PC build, stress testing components, or assembling a workshop test bench without a proper open frame PC test bench mounting kit means balancing a motherboard on a cardboard box, zip tying a power supply to whatever is nearby, and hoping nothing shorts out. PC technicians, hardware enthusiasts, and DIY builders who regularly work with bare

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Open Frame PC Test Bench Mounting Kit — Build a DIY Workshop Rig for Motherboard, GPU, PSU & Storage

Diagnosing a PC build, stress-testing components, or assembling a workshop test bench without a proper open frame PC test bench mounting kit means balancing a motherboard on a cardboard box, zip-tying a power supply to whatever is nearby, and hoping nothing shorts out. PC technicians, hardware enthusiasts, and DIY builders who regularly work with bare components need a structured, reusable mounting solution that keeps everything organized and accessible. This open frame PC test bench mounting kit provides all the brackets, standoffs, and hardware needed to mount a motherboard, PSU, HDD/SSD, and optionally a GPU onto a flat wooden or acrylic base board.

Three kit configurations are available. Kit A (Without GPU Bracket) includes 6x 20mm motherboard standoffs with screws, 3x PSU mounting brackets with screws, 2x HDD/SSD brackets with screws, and a 50 cm (≈19.7") power switch cable with standard 2-pin front panel connector — suited for GPU-free builds. Kit B (With GPU Bracket) upgrades to 6x 26mm motherboard standoffs for extra clearance, adds 2x GPU support brackets, and retains 3x PSU and 2x HDD brackets plus the power cable. Kit C (Power Reinforced With GPU Bracket) is the most complete configuration: 6x 26mm standoffs, 2x GPU brackets, 4x reinforced PSU brackets, 4x HDD/SSD brackets, and the power switch cable. All kits include the corresponding mounting screws.

This kit is the practical foundation for a DIY open frame test bench used by PC repair technicians who need to POST and diagnose motherboards outside a case; by hardware reviewers and overclockers who want quick access to all components during extended testing sessions; and by home lab builders assembling a permanent open-air rig for running servers, mining rigs, or multi-GPU compute setups on a custom wooden board.

🖥️ Compatibility: Designed for standard ATX and mATX motherboards. Standoff pattern generally covers standard ATX/mATX mounting hole layouts. GPU brackets suit full-size dual-slot cards. Base board (wood/acrylic) sold separately. All screws included.

✅ Key Features of These Open Frame PC Test Bench Mounting Kits

🧱 Three Kit Configurations to Match Your Build — Choose Kit A for GPU-free motherboard and storage testing, Kit B when you need GPU support brackets and taller standoffs, or Kit C for the most complete open frame test bench setup with reinforced PSU mounting and expanded HDD/SSD bracket count.
🔧 20mm and 26mm Motherboard Standoffs — Kit A uses 20mm standoffs for standard clearance; Kits B and C use 26mm standoffs to provide the extra board-to-base clearance needed when a GPU is installed, allowing proper airflow and cable routing beneath the motherboard in an open frame DIY test bench.
⚡ 50cm Power Switch Cable Included — The 50 cm (≈19.7") power switch cable with standard 2-pin front panel header lets you power on the board from a convenient distance without reaching across the open frame rig — essential for safe, repeated POST testing during PC diagnostics.
💿 PSU, HDD/SSD, and GPU Brackets Included — Each kit bundles all the mounting hardware needed to secure a power supply, one or more storage drives, and (in Kits B and C) a graphics card to your base board, eliminating the need to source individual brackets separately for your open frame workshop rig.
🔩 All Mounting Screws Included — Every bracket and standoff in the kit ships with its corresponding screws, so you can go from unboxing to a fully mounted open frame test bench without hunting for compatible hardware in your parts bin.
🛠️ Reusable and Reconfigurable — The bracket-and-standoff system mounts to any flat wooden or acrylic base board you supply, making it easy to disassemble, reposition components, or repurpose the hardware across multiple builds or testing sessions over time.

⚠️ Note: The base board (wood, MDF, or acrylic panel) is not included — you supply your own. A board approximately 15–20mm thick is generally recommended for adequate rigidity. Confirm your motherboard's mounting hole layout matches standard ATX/mATX standoff positions before drilling.

📐 Technical Specifications — Open Frame PC Test Bench Mounting Kit

Product Type	DIY Open Frame PC Test Bench Mounting Bracket Kit
Kit Options	A (Without GPU Bracket) / B (With GPU Bracket) / C (Power Reinforced With GPU Bracket)
Motherboard Standoffs	Kit A: 6x 20mm (≈0.79") \| Kits B & C: 6x 26mm (≈1.02")
PSU Brackets	Kit A & B: 3 per kit \| Kit C: 4 per kit (reinforced)
HDD/SSD Brackets	Kit A & B: 2 per kit \| Kit C: 4 per kit
GPU Support Brackets	Kit A: Not included \| Kits B & C: 2 per kit
Power Switch Cable Length	50 cm (≈19.7")
Power Cable Connector	Standard 2-pin ATX front panel power header
Screws Included	Yes (all corresponding screws included per kit)
Compatible Motherboard Form Factors	ATX, mATX (Mini-ITX compatible with fewer standoff positions)
Base Board	Not included — customer supplies own wooden/acrylic board
Bracket Material	Metal (steel / zinc alloy) and nylon composite
Intended Use	Indoor workshop, PC test bench, open frame rig, hardware diagnostics

❓ Frequently Asked Questions

What is the difference between Kit A, Kit B, and Kit C?

Kit A (Without GPU Bracket) includes 6x 20mm motherboard standoffs, 3x PSU brackets, 2x HDD/SSD brackets, and a 50 cm power switch cable. Suited for GPU-free builds and basic motherboard testing.

Kit B (With GPU Bracket) upgrades to 6x 26mm standoffs for extra clearance, adds 2x GPU support brackets, and retains 3x PSU and 2x HDD brackets plus the power cable.

Kit C (Power Reinforced With GPU Bracket) is the most complete option: 6x 26mm standoffs, 2x GPU brackets, 4x reinforced PSU brackets, 4x HDD/SSD brackets, and the power switch cable. Best for multi-drive or extended testing setups.

What size motherboard does this kit support?

The standoff set is generally compatible with standard ATX and mATX motherboards, covering the typical 6-hole mounting pattern used by these form factors. Mini-ITX boards will also work but may use fewer standoff positions. Confirm your board's mounting hole layout against the standoff positions before drilling your base board.

What base board or surface do I need to mount this kit on?

This kit mounts onto a flat wooden board, MDF panel, or acrylic sheet that you supply separately. The brackets use the included screws to secure to the board surface. A board approximately 15–20mm (about 5/8"–3/4") thick is generally recommended for adequate rigidity when supporting a full ATX motherboard, PSU, and GPU.

How long is the power switch cable, and what connector does it use?

The included power switch cable is 50 cm (≈19.7") long. It uses a standard 2-pin front panel power header connector compatible with virtually all ATX and mATX motherboards. The cable lets you power on the board from a safe distance without reaching across the open frame rig.

Why are the standoffs 20mm in Kit A and 26mm in Kits B and C?

The 26mm standoffs in Kits B and C provide additional clearance between the motherboard and the base board. This extra height is generally needed when a GPU is installed to allow adequate airflow and cable routing beneath the board. Kit A uses 20mm standoffs, which is typically sufficient for GPU-free builds where lower clearance requirements apply.

Can I use this kit in a humid or outdoor workshop environment?

This kit is intended for standard indoor workshop and lab use. The metal brackets are suitable for typical indoor environments. Prolonged exposure to moisture or high humidity may cause surface oxidation on metal components over time. For damp or outdoor environments, additional protective measures would be needed.

Which kit should I choose if I'm building a test bench for GPU testing?

For GPU testing, Kit B or Kit C is recommended. Both include the 2x GPU support brackets and the taller 26mm motherboard standoffs needed to accommodate a graphics card. Kit C is the better choice if you plan to run multiple storage drives or need a more rigid PSU mount during extended testing sessions, thanks to its reinforced 4-bracket PSU mounting and 4x HDD/SSD bracket count.

🛒 Select your kit configuration above, then add to cart — everything you need to build your open frame test bench, screws included.

Open Frame PC Test Bench Mounting Kit — Motherboard, PSU, HDD & GPU Brackets with Power Switch Cable

Name: Open Frame PC Test Bench Mounting Kit — Motherboard, PSU, HDD & GPU Brackets with Power Switch Cable
Brand: tug-ottendorf-okrilla.de
SKU: 90434672698
Price: 44.80 USD
Availability: InStock
Rating: 4.4239 (1707 reviews)