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Lian Li DAN A4-H20 X5 PCIe 5.0 Mini-ITX Gaming Case, SFF Tribute Edition, Dual Chamber, 360mm Radiator Support, Black | G99.A4H2OX5.00
Model :
SKU : ATX-LIANLI A4-H20 X5 BLK
The Lian Li DAN A4-H20 X5 PCIe 5.0 in Black is the fifth and most technically evolved generation of the legendary DAN A4-H20 small form factor case — a chassis that has defined the premium SFF gaming case category since its introduction and now reaches its most capable and future-proof expression with native PCIe 5.0 support, refined thermal management, and the dual-chamber design philosophy that has made the A4 series the benchmark against which every competing SFF case is measured. As an explicit tribute to the small form factor PC building community — a dedication expressed in the case's subtitle and reflected in every engineering decision from the dual-chamber layout to the extensive liquid cooling provisions — the A4-H20 X5 represents Lian Li's most sincere appreciation for the builders who have made compact, high-performance PC building one of the most exciting and technically demanding disciplines in the enthusiast hardware community. The PCIe 5.0 support is the X5 generation's defining technical advancement — ensuring that builders who invest in this premium SFF chassis can accommodate the latest and next-generation PCIe 5.0 graphics cards without adapter or compatibility concerns, future-proofing the chassis investment across the GPU generations that will define high-performance gaming for years to come. For SFF enthusiasts, compact gaming PC builders, and dedicated small form factor community members who want the most capable, most refined, and most future-proof small form factor gaming case that Lian Li and the DAN collaboration have ever produced, the A4-H20 X5 PCIe 5.0 Black is the definitive SFF gaming chassis that honors the community it was built for.
Performance / Technology
The PCIe 5.0 support is the A4-H20 X5's most technically forward-thinking specification — ensuring that the chassis investment made by SFF enthusiasts today remains relevant and fully capable as the graphics card market continues its transition to PCIe 5.0 as the standard interface for high-performance gaming GPUs. The current generation of NVIDIA RTX 5000-series and AMD RX 9000-series graphics cards already utilize PCIe 5.0 interfaces, and the X5's native PCIe 5.0 support ensures these cards install with full interface compatibility and maximum bandwidth utilization — without the PCIe riser adapter uncertainties, potential signal integrity limitations, and compatibility nuances that affect SFF cases requiring PCIe interface adaptation for current-generation GPU installation.
The 360mm radiator clearance is the A4-H20 X5's most impressive thermal capability achievement — fitting a 360mm AIO radiator into a chassis as compact as the A4-H20's footprint requires exceptional spatial engineering precision that distinguishes the A4-H20 design from SFF alternatives that limit radiator size to 240mm or smaller for equivalent external dimensions. The ability to install a 360mm AIO cooler in the X5 enables SFF builders to run high-TDP flagship CPUs — including Intel Core Ultra 285K, AMD Ryzen 9 9950X3D, and equivalent processors — at or near full performance specifications without the thermal throttling that inadequate cooling forces in less capable SFF chassis. This thermal capability makes the A4-H20 X5 a genuinely high-performance SFF chassis rather than a compact chassis that constrains the components it houses.
Why This Product Stands Out
The Lian Li DAN A4-H20 X5 PCIe 5.0 Black stands at the absolute pinnacle of the SFF gaming case market — combining five generations of community-driven refinement, native PCIe 5.0 future-proofing, 360mm radiator thermal capability, dual-chamber organizational elegance, premium aluminum construction, and an explicit dedication to the SFF community that inspired its creation. No competing SFF case combines all five of these distinguishing characteristics simultaneously — fifth-generation engineering maturity, PCIe 5.0 native support, 360mm cooling capability, premium aluminum material quality, and community tribute positioning — making the A4-H20 X5 not simply the best SFF gaming case in its generation but the most comprehensively conceived and most community-meaningfully positioned SFF chassis that the premium small form factor market has ever produced.
Feature
Specification
Model & Color
A4-H2O (Model: A4H2OX5) | Black (Anodized Exterior, Matte Interior)
Top Fans: 2x 120mm | Top Radiator: 1x 240mm (Max 55mm total thickness w/ fans)
Power Supply Support
SFX, SFX-L
Front I/O Panel
1x USB 3.1 Type-C, 1x USB 3.0 Type-A, 1x Mic, 1x HD Audio
Included Accessories
PCIe 5.0 Riser Cable
Dimensions (D x W x H)
326 x 140 x 244 mm
Warranty
1 Year
Description
The Lian Li DAN A4-H20 X5 PCIe 5.0 in Black is the fifth and most technically evolved generation of the legendary DAN A4-H20 small form factor case — a chassis that has defined the premium SFF gaming case category since its introduction and now reaches its most capable and future-proof expression with native PCIe 5.0 support, refined thermal management, and the dual-chamber design philosophy that has made the A4 series the benchmark against which every competing SFF case is measured. As an explicit tribute to the small form factor PC building community — a dedication expressed in the case's subtitle and reflected in every engineering decision from the dual-chamber layout to the extensive liquid cooling provisions — the A4-H20 X5 represents Lian Li's most sincere appreciation for the builders who have made compact, high-performance PC building one of the most exciting and technically demanding disciplines in the enthusiast hardware community. The PCIe 5.0 support is the X5 generation's defining technical advancement — ensuring that builders who invest in this premium SFF chassis can accommodate the latest and next-generation PCIe 5.0 graphics cards without adapter or compatibility concerns, future-proofing the chassis investment across the GPU generations that will define high-performance gaming for years to come. For SFF enthusiasts, compact gaming PC builders, and dedicated small form factor community members who want the most capable, most refined, and most future-proof small form factor gaming case that Lian Li and the DAN collaboration have ever produced, the A4-H20 X5 PCIe 5.0 Black is the definitive SFF gaming chassis that honors the community it was built for.
Performance / Technology
The PCIe 5.0 support is the A4-H20 X5's most technically forward-thinking specification — ensuring that the chassis investment made by SFF enthusiasts today remains relevant and fully capable as the graphics card market continues its transition to PCIe 5.0 as the standard interface for high-performance gaming GPUs. The current generation of NVIDIA RTX 5000-series and AMD RX 9000-series graphics cards already utilize PCIe 5.0 interfaces, and the X5's native PCIe 5.0 support ensures these cards install with full interface compatibility and maximum bandwidth utilization — without the PCIe riser adapter uncertainties, potential signal integrity limitations, and compatibility nuances that affect SFF cases requiring PCIe interface adaptation for current-generation GPU installation.
The 360mm radiator clearance is the A4-H20 X5's most impressive thermal capability achievement — fitting a 360mm AIO radiator into a chassis as compact as the A4-H20's footprint requires exceptional spatial engineering precision that distinguishes the A4-H20 design from SFF alternatives that limit radiator size to 240mm or smaller for equivalent external dimensions. The ability to install a 360mm AIO cooler in the X5 enables SFF builders to run high-TDP flagship CPUs — including Intel Core Ultra 285K, AMD Ryzen 9 9950X3D, and equivalent processors — at or near full performance specifications without the thermal throttling that inadequate cooling forces in less capable SFF chassis. This thermal capability makes the A4-H20 X5 a genuinely high-performance SFF chassis rather than a compact chassis that constrains the components it houses.
Why This Product Stands Out
The Lian Li DAN A4-H20 X5 PCIe 5.0 Black stands at the absolute pinnacle of the SFF gaming case market — combining five generations of community-driven refinement, native PCIe 5.0 future-proofing, 360mm radiator thermal capability, dual-chamber organizational elegance, premium aluminum construction, and an explicit dedication to the SFF community that inspired its creation. No competing SFF case combines all five of these distinguishing characteristics simultaneously — fifth-generation engineering maturity, PCIe 5.0 native support, 360mm cooling capability, premium aluminum material quality, and community tribute positioning — making the A4-H20 X5 not simply the best SFF gaming case in its generation but the most comprehensively conceived and most community-meaningfully positioned SFF chassis that the premium small form factor market has ever produced.
Specification
Feature
Specification
Model & Color
A4-H2O (Model: A4H2OX5) | Black (Anodized Exterior, Matte Interior)
