As of 2026, the popularity of panoramic view ‘aquarium’ PC cases in the PC case market shows no signs of waning. Initially, most products only had one side panel made of tempered glass, but now, ‘aquarium’ cases with three sides (front, side, and even top) made of tempered glass have become the mainstream.
However, these open-structure ‘aquarium’ cases have one unavoidable drawback. Since the interior is clearly visible, all sorts of power cables, SATA cables, and even liquid cooler tubes are exposed. While this can be resolved by using BTF motherboards or rear-connector graphics cards for a cleaner build, these products are still quite expensive, so a separate solution is needed for cable management in typical setups.
But now, a PC case has emerged that neatly solves these concerns. It’s the A70 ARGB Black, released by Thermalright. Equipped with a hidden liquid cooling tube design, a dual-chamber structure, and cable covers, this product allows you to achieve a clean build even without a BTF motherboard. Now, let’s take a closer look at the Thermalright A70 ARGB Black.
Product Specifications and Configuration
Let’s first look at the key specifications of the Thermalright A70 ARGB Black. The product is available in two colors: black and white. It’s an ATX mid-tower case, with dimensions of 289.5mm (W) × 450.8mm (L) × 477mm (H) and a weight of approximately 11.17kg.
Supported motherboard form factors include ATX, M-ATX, and M-ITX, as well as rear-connector motherboards such as ASUS BTF and MSI Project Zero. Graphics cards up to 420mm in length can be accommodated, and a built-in graphics card holder is provided as standard. CPU coolers can be installed up to a maximum height of 168.4mm (for tower-type coolers), and power supplies up to a maximum length of 200mm.
Regarding the cooling configuration, up to 360mm radiators can be installed on both the top and bottom, and 240mm radiators are supported on the side. Up to eight 120mm cooling fans can be installed, and a dedicated fan & ARGB hub capable of centrally controlling up to 10 ARGB and PWM devices is provided as standard.
Included components are the case chassis, various screws and accessories, the fan & ARGB integrated hub, a graphics card holder, and cable ties. Distribution is handled by Seorin C&I, and a 1-year quality warranty service is provided.
Exterior and Features
The first thing that catches the eye about the exterior of the Thermalright A70 ARGB Black is its 3-sided tempered glass 270-degree panoramic view. With the front, left side, and top all made of tempered glass, you can clearly view the interior of the case from any direction.
The case measures 289.5mm wide, making it wider than a typical ATX case, which is attributed to its dual-chamber structure. The motherboard area and the cable/power supply area are completely separated, offering ample internal space and significantly easier cable management.
The I/O ports are positioned at the bottom of the front panel. This placement reflects the current trend of many users placing their PC cases on their desks, and it’s a thoughtful design that provides easy access to USB and audio jacks.
Notably, this product features a pillarless design. This structure completely removes the steel frame at the corner where the front and side panels meet, resulting in a distinctly different sense of openness compared to typical “fish tank” cases that have frames.
The tempered glass panel features a design that allows it to be easily opened by pulling the handle. It utilizes a snap-on mechanism instead of traditional screws, enabling tool-free removal and reattachment. This user-friendly design and attention to detail seem to elevate the product’s overall quality.
The right-side panel features extensive mesh perforations for optimal airflow. Given that “fish tank” cases typically have three sides made of tempered glass, air intake paths can be restricted, but the wide mesh area on the right side effectively compensates for this.
The rear panel also features perforations for airflow and is equipped with 7 PCI expansion slots.
The right panel is also designed for screw-less attachment and detachment. On the rear, there are cable holes and a cable cover for displays and various accessories that need to be connected to the motherboard via USB cables, ensuring a clean look even when additional devices are attached.
A large, detachable dust filter is installed at the bottom. This effectively blocks external dust from entering when cooling fans or radiators are installed there. The filter can also be easily removed and washed, simplifying maintenance.
Interior and Features
The tempered glass panel features a magnetic attachment and detachment system. Since it’s secured by magnets, it can be quickly and safely removed without needing to loosen any screws. This is particularly convenient when the panel needs to be frequently taken off and put back on during the assembly process. Furthermore, the risk of the glass panel falling to the floor is lower than with conventional screw-fixed methods, offering superior safety.
The most significant feature of this product is its hidden liquid cooling tube build design. This case structurally resolves the issue of exposed tubes, a common concern for anyone using a liquid cooler.
Removing the internal steel cover reveals multiple holes for cable management, through which liquid cooler tubes can be passed and neatly hidden. The biggest appeal is the ability to achieve a clean build, as if using a backside connector motherboard, even without a BTF motherboard.
Since the top is sealed with tempered glass, air intake must primarily occur from the bottom. To facilitate this, up to three 120mm cooling fans can be installed at the bottom, and a radiator up to 360mm can also be mounted. This structure allows for designing an airflow path with bottom intake and side/rear exhaust.
On the side, a liquid cooler radiator or up to three 120mm cooling fans can be installed for exhaust.
Any insufficient exhaust performance can be compensated for at the rear. Up to two 120mm cooling fans can be installed at the rear, completing a comprehensive airflow setup with bottom intake and side/rear exhaust.
An internal graphics card support bracket is built-in, allowing stable installation and support for large graphics cards up to 420mm in length. Considering the recent trend of high-performance graphics cards becoming longer and heavier, the included support bracket is highly practical.
Cable covers are provided both above and below for clean cable routing. These covers conceal the paths of cables such as the motherboard power cable and CPU auxiliary power cable, ensuring a very tidy interior, even with a standard motherboard.
Opening the right side clearly reveals the advantages of the dual-chamber design. The generous approximately 10cm space provided for the power supply and cables allows you to neatly arrange the power supply and various power cables.
The biggest advantage of the dual chamber is its design, which frees you from cable management stress. Even with a standard power supply, you simply need to neatly bundle and organize the cables, then place them into the right-side compartment.
The removable storage bracket allows for the installation of two 3.5-inch HDDs or two 2.5-inch SSDs. While M.2 NVMe SSDs are often used as main storage these days, it also offers expandability for users who need HDDs for large-capacity data storage or additional SSDs.
Assembly
The power supply is installed on a bracket located in the middle of the case. It’s secured in the middle, unlike typical cases where it’s at the bottom, and the storage bracket is positioned below it.
Using the included fan & ARGB hub allows for tidier cable management. Since up to 10 ARGB and PWM devices can be controlled from a single hub, you can manage them with just one hub without needing to connect each fan cable directly to the motherboard. Fewer cables result in a much cleaner interior, and the problem of insufficient fan headers on the motherboard is naturally resolved.
Such effective cable management doesn’t just look good; it also greatly helps with airflow. In “fish tank” style cases with three tempered glass sides, airflow is limited, so tangled cables inside can negatively impact heat dissipation. However, with a dual-chamber design and proper cable management, cooling performance can be significantly improved.
After neatly organizing the motherboard power cables, various fan cables, and even the liquid cooler tubes, and then covering them with the cable cover, you can achieve a clean cable setup, similar to a rear-wired motherboard, even when using a standard motherboard instead of a BTF motherboard.
Because the cover effectively hides the cable routes, you can complete a build where only the hardware is cleanly visible from the front.
User Experience
The ARGB hub of the Thermalright A70 ARGB Black can be synchronized with your motherboard’s lighting control software. Because it is compatible with RGB software from major motherboard manufacturers such as ASUS Aura Sync, MSI Mystic Light, GIGABYTE RGB Fusion, and ASRock Polychrome, you can uniformly control the lighting of your entire system, creating a cohesive lighting aesthetic.
Additionally, another appealing feature of this product is the ARGB panoramic light bar built into the corners of the case. An LED strip illuminates along the corner lines of the bottom of the case, and rather than simple point illumination, the light spreads fluidly along the line, creating a visually stunning effect. When powered on in a dark environment, the entire bottom section of the case softly glows, creating an atmosphere reminiscent of a luxurious display showcase.
The synergy created by the panoramic view of the three-sided tempered glass and the bottom ARGB light bar showcases a presence beyond that of a mere PC case. When combined with the RGB cooling fans, memory, and graphics card LEDs inside, it transforms into an interior design piece on your desk.
In terms of cooling performance, the combination of bottom intake and side/rear exhaust works smoothly. Because the large mesh panel on the right side also serves as an additional intake, airflow is well-maintained for a three-sided glass case. Of course, it’s worth noting that cooling fans are not included and must be purchased separately.
Concluding the Review
The Thermalright A70 ARGB Black is a computer case that perfectly embodies the key elements of the recent ‘fish tank case’ trend, while also prioritizing convenience in practical use. The 270-degree pillarless three-sided tempered glass creates a panoramic view, allowing you to appreciate all the hardware inside the case without any blind spots, and the ARGB panoramic light bar at the bottom completes a dazzling customization effect with the case itself, eliminating the need to purchase separate LED strips.
What truly makes this product stand out is its hidden liquid cooling tube build design and dual-chamber structure. The ability to effectively hide cables and liquid cooling tubes without the need for a BTF motherboard or rear-connector graphics card means even users with standard motherboards can achieve a clean build, which is a highly attractive feature for a case in this price range.
There are not many ‘fish tank cases’ with this level of completeness at a starting price of around 160,000 KRW on Danawa. If you are looking for a panoramic ‘fish tank case’ that allows for neat cable management, a user who wants to enjoy dazzling ARGB customization, or someone seeking a recommendation for a high-quality PC case at a reasonable price, you should definitely keep an eye on the Thermalright A70 ARGB Black.
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