These five fish tank cases will improve your build’s airflow and aesthetics, making it a visual centerpiece.

Ever since Lian Li dropped the O11 series, every case manufacturer has fully embraced the fish tank design. With a dual-chamber design that provides ample cable management and superb airflow, these PC cases stand out from the competition and offer highly versatile PC-building capabilities.
Whether you are going for a budget build or aiming for the absolute best, these five PC cases will give you a very unique build.
Read More: 5 Best RTX 50 Series GPUs To Buy
1. NZXT H9 Flow RGB+

If you are looking for a super premium cabinet from NZXT, and one that also takes the fish-tank approach, then the H9 Flow is for you. This particular one has ARGB fans for your lighting needs. And as for airflow, it’s phenomenal. There is ample space, and you can customize the fan position to your heart’s content.
| Spec | Value |
|---|---|
| Dimensions | 506mm (H) × 315mm (W) × 481mm (D) |
| Motherboard Support | E-ATX, ATX, Micro-ATX, Mini-ITX |
| Pre-installed Fans | 1× F420 RGB Core (top), 1× F420 RGB Core (bottom), 1× F120 RGB Core (rear) |
| Radiator Support | 240/280/360/420mm (top, front, bottom) |
| GPU Clearance | 435mm |
| CPU Cooler Clearance | Up to 165mm |
| Storage | 2× 3.5″ + 4× 2.5″ |
| Expansion Slots | 7 |
| Side Panel | 4mm Tempered Glass (wraparound) |
| Front I/O | 2× USB 3.2 Type-A, 1× USB 3.2 Gen 2×2 Type-C (20Gbps), 3.5mm Jack |
| PSU Support | Up to 200mm |
2. Antec C8

If you are on a tight budget and need an incredible fish tank cabinet, the C8 is for you. You can even pick up the most expensive wood-finished version or the plain bare-bones no-fan edition, and install fans of your choice. Airflow-wise, this cabinet, like other fish tank cabinets, with proper fan configuration, can seamlessly dissipate RTX 5090 levels of heat.
| Spec | Value |
|---|---|
| Dimensions | 464mm (D) × 303mm (W) × 476mm (H) |
| Motherboard Support | E-ATX (280mm), ATX, Micro-ATX, ITX |
| Radiator Support | 120/140/240/280/360mm (top, side, bottom) |
| GPU Clearance | Up to 440mm |
| CPU Cooler Clearance | Up to 175mm |
| Storage | 2× 3.5″ + 4× 2.5″ |
| Expansion Slots | 8 |
| Side Panel | 4mm Tempered Glass (45° beveled edges) |
| Front I/O | 2× USB 3.0, 1× USB Type-C 10Gbps, Headphone/Mic Jack |
| PSU Support | Up to 210mm |
| Dust Filter | Bottom (magnetic, removable) |
| Available Finishes | Black, White, Wood, Aluminum White |
3. Lian Li O11 Dynamic EVO

If you have a deep sentiment for the original creators of the fish tank design, then the Dynamic EVO is for you. In no way is this cabinet inferior to any others mentioned here. Lian Li’s build quality stands in a league of its own. The engineering in this case lets you reverse-mount your entire PC, which is very unique among other brands.
| Spec | Value |
|---|---|
| Dimensions | 465.1mm (D) × 285mm (W) × 459mm (H) |
| Motherboard Support | E-ATX (under 280mm), ATX, Micro-ATX, Mini-ITX |
| Radiator Support | 280/360mm (top, side inner/outer, bottom) |
| GPU Clearance | 426mm |
| CPU Cooler Clearance | Up to 167mm |
| Storage | Up to 9 drives (flexible configuration) |
| Expansion Slots | 8 |
| Front/Side Panel Glass | 4mm Tempered Glass |
| Reversible Modes | Normal (left view) / Reverse (right view—flip 180°) |
| Front I/O | 2× USB 3.0, 1× USB 3.1 Type-C, HD Audio/Mic |
| PSU Support | 220mm |
| Dual PSU Support | Yes (via drive cage removal) |
4. HAVN HS 420

If you are going for a GPU-centric build that maximizes airflow to your GPU, then the HS 420 is for you. The case’s design is pretty unique; its airflow routing directs intake airflow to your GPU, resulting in maximum GPU cooling throughput.
| Spec | Value |
|---|---|
| Dimensions | 541mm (D) × 259.5mm (W) × 547mm (H) |
| Motherboard Support | E-ATX (277mm max), ATX, Micro-ATX, Mini-ITX |
| Radiator Support | 280/360/420mm (top, right, bottom) |
| GPU Clearance | 480mm (L) × 195mm (W) |
| CPU Cooler Clearance | Up to 185mm |
| Storage | 4× 3.5″ + 8× 2.5″ |
| Expansion Slots | 2-5 (configuration-dependent) |
| Front/Side Panel Glass | UniSheet heat-formed panoramic (minimized distortion) |
| Front I/O | 1× USB 3.2 Gen 2 Type-C, 2× USB 3.2 Gen 1 Type-A, Audio Jack |
| Fan Support | 11 total (top/right/bottom/rear) |
| GPU Sag Bracket | 3-way adjustable (included) |
5. Phanteks Evolv X2

If you are looking for a case that excels in build quality and aesthetics, then the Evolv X2 is for you. For starters, three tempered glass panels create a unique 360° view of your build. Additionally, the brushed aluminum frame gives it a premium feel. All together, any build, with or without ARGB, looks phenomenal in this case.
| Spec | Value |
|---|---|
| Dimensions | 454mm (D) × 228mm (W) × 588mm (H) |
| Motherboard Support | E-ATX (280mm max), ATX, Micro-ATX, Mini-ITX |
| Back-Connector Support | MSI Project Zero, ASUS BTF, Gigabyte Project Stealth |
| Radiator Support | Up to 360mm (top only) |
| GPU Clearance | 380mm (L) × 170mm (W) |
| CPU Cooler Clearance | Up to 170mm |
| Storage | 2× 3.5″ + 5× 2.5″ |
| Expansion Slots | 8 |
| Glass Panels | Front, Side, Rear (all 4mm Tempered Glass) |
| Fan Support | 7 fans total (3× top, 3× bottom, 1× rear—all 120mm) |
| RGB Lighting | Integrated D-RGB strip (30 LEDs per strip) |
| Front I/O | 2× USB 3.0, 1× USB-C 3.2 Gen2x2, Mic/Headphone Combo |
Read More: 5 Best Vertical PC Cases
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