A Stunning Skeleton for Your Next Build
If you’re tired of hiding your expensive components behind tinted glass and steel panels, the METALFISH BlockCase is about to change the way you think about PC cases. This isn’t just another box—it’s an open-frame aluminum chassis that puts your hardware on display, turns cooling into a first-class citizen, and gives you the kind of unrestricted access most traditional cases only dream of. Whether you’re a seasoned overclocker, a PC modding enthusiast, or simply someone who wants a build that looks as fast as it runs, the BlockCase dares you to build differently.
What makes this case truly stand out is its focus on horizontal GPU mounting and genuine support for a 240mm radiator in an ultra-minimal footprint. It’s designed for builders who love to tinker, swap parts, and show off every cable, fan, and water block. With a starting price of just $57.44 on AliExpress, it also happens to be one of the most affordable ways to enter the open-frame world without sacrificing structural integrity or looks.
Full Specifications & Quick Overview
| Specification | Details |
|---|---|
| Material | Aluminum frame & panels |
| Form Factor | Open Frame test bench style |
| Motherboard Support | ATX, M-ATX |
| GPU Mount Orientation | Horizontal (default bracket included) |
| Radiator Support | Up to 240mm (mounting rail system) |
| Power Supply | Not included (standard ATX PSU support) |
| Case Fans | Not included (multiple mounting points) |
| Side Panel Window | No (open frame – no panels required) |
| Color Options | BlockCase Silver, BlockCase Black, Silver Case 3.0/4.0 Cable, Black Case 3.0/4.0 Cable |
| Front I/O | Power button (no reset/LED stock – moddable) |
Design & Build Quality – Industrial Art on Your Desk
Right out of the box, the METALFISH BlockCase feels like a piece of precision hardware. The all-aluminum frame is CNC-cut with clean edges, and the matte silver or black finish gives it a serious workshop vibe that looks fantastic in a modern gaming setup. There’s no flex, no cheap plastic fittings—just sturdy metal beams that lock together with hidden screws to create a rigid test-bench skeleton. The open-frame concept means every component is visible from every angle, and it turns cable management from a chore into a creative challenge you’ll actually enjoy.
The case takes up remarkably little desk space. Because it ditches the traditional enclosed box shape, it has a footprint not much larger than the motherboard itself. That makes it a brilliant choice if you want a powerful ATX system without a massive tower hogging your legroom. Builders coming from mid-tower cases will be shocked by how much easier it is to reach every connector, DIMM slot, and fan header. The horizontal GPU mount keeps the graphics card parallel to the motherboard, reducing PCB sag and creating a clean, layered look that’s pure eye candy.
Cooling & Airflow – The Ultimate Thermal Advantage
Let’s be honest: an open case is cheating when it comes to thermals, and the BlockCase embraces that fully. With zero airflow restriction, your components breathe ambient room air at all times. There are no intake filters to clog, no exhaust bottlenecks to fight. This means your CPU and GPU will consistently run cooler than they would inside even the best-ventilated traditional case. In practice, that translates to lower fan speeds, quieter operation, and more thermal headroom for overclocking.
The integrated rail system for a 240mm water cooler is a standout feature at this price. You can mount a radiator cleanly above the motherboard area using the included brackets, which are sturdy enough to hold an all-in-one liquid cooler without sagging. Users report that installation is straightforward, though you may want to keep a few extra L-brackets on hand if you plan to mount multiple radiators or push-pull fan configs. Even without liquid cooling, you can easily attach fans directly to the frame to create targeted airflow over VRMs and memory.
Installation & Compatibility – Built for Tinkerers
If you’ve ever struggled with knuckle-scraping cuts while building in a cramped case, the BlockCase will feel like a revelation. The open layout lets you install the motherboard, PSU, GPU, and drives in any order you like. There’s no need to pre-route cables before dropping in the board—everything is accessible at all times. Verified buyers consistently praise the ease of installation, noting that clear instructions are included and that the build process becomes genuinely fun rather than frustrating.
Out of the box, you get support for ATX and M-ATX motherboards, which covers the vast majority of gaming and workstation boards. The GPU bracket holds full-length cards horizontally with solid thumbscrews, and there’s enough clearance for chunky 3-slot coolers. One small note from the community: the stock I/O panel only includes a power button, no reset switch or HDD/power LED. That’s an intentional minimalist choice, but if you’re the type who likes those indicators, you can easily wire in your own using recycled case parts—just another excuse to personalize the rig.
Customization & Aesthetics – Make It Uniquely Yours
Because the BlockCase is essentially a blank aluminum canvas, the customization possibilities are endless. You can paint the frame, add custom vinyl decals, or even anodize parts to match a specific color theme. The visible power supply mounting area lets you show off a premium PSU with braided cables—suddenly, your cable extensions become a deliberate design element rather than something to hide behind a basement shroud.
The horizontal GPU layout is a photographer’s dream. Your graphics card sits front and center, and with a vertical airflow path completely unobstructed, you get a clean, symmetrical look that’s hard to achieve in standard towers. Many builders add subtle RGB strips along the aluminum rails, turning the case itself into a light feature without the “disco ball” overload. Even with the basic no-frills package, the industrial aesthetic is strong—raw, honest, and far more premium than the price tag suggests.
Photo Gallery
Pros & Cons
✅ Pros
- Striking open-frame aluminum design shows off all components
- Excellent natural airflow – no need for extra case fans
- Supports full-size ATX motherboards and long GPUs
- Horizontal GPU mount reduces sag and improves visual balance
- Native 240mm radiator support with sturdy rail system
- Incredibly accessible for frequent hardware swaps and testing
- Surprisingly rigid and well-machined for the price
- Multiple color and riser cable variants to suit your build
- One of the most affordable premium open-frame cases on the market
❌ Cons
- No reset button or power/HDD LED out of the box
- Limited number of extra mounting brackets for fans and radiators
- Dust maintenance is more frequent without filtration
- Open design means less noise isolation for coil whine or pump hum
- Not ideal if you have curious pets or small children
Who Should Buy the METALFISH BlockCase?
This case is tailor-made for PC enthusiasts who prioritize cooling performance, accessibility, and a unique visual statement over traditional enclosure. If you’re a hardware reviewer, a competitive overclocker who swaps components constantly, or a modder who wants a chassis that doubles as display furniture, the BlockCase is a no-brainer. It’s also a fantastic choice for anyone building a home server or test rig that needs quick access to internals without wrestling with side panels.
On the flip side, if you need a silent system for a shared office, have rambunctious pets that might climb into your rig, or simply prefer a sleeper look that hides all the tech, you’ll be better served by a closed case. The BlockCase doesn’t pretend to be for everyone—and that’s exactly why its fans love it so much.
Final Verdict
The METALFISH BlockCase delivers a genuinely premium open-frame experience at a price that feels almost unfair. The aluminum construction, smart horizontal GPU orientation, and dedicated 240mm radiator support put it in a class above most budget test benches, while the easy installation and endless customisation potential make it a joy to live with. For under $60, you’re getting a chassis that will turn heads, drop your temperatures, and make you fall in love with building all over again. If you’ve been looking for a way to truly showcase your hardware, stop searching—this is it.
⚠️ Price ($57.44) and rating (4.7/5 · 322 reviews) were accurate at time of writing. Please check AliExpress for the latest pricing and availability before purchasing.