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Black steel mid-tower with tempered glass side and front panels, angled bottom fan mount, top I/O including USB Type-C

ASUS

ASUS Lanjie A31 PC case black

SKU CH-JVVD-B3GE3

A mid-tower chassis for ATX, Micro-ATX and Mini-ITX boards with dual tempered-glass panels, a 10 Gbps USB 3.2 Gen 2 Type-C front port, angled bottom fan mount and tool-free disassembly

  • Supported motherboard sizesATX Micro-ATX Mini-ITX
  • Housing materialSteel, plastic, tempered glass
  • Front panel ports1 × USB 3.2 Gen 2 Type-C (10 Gbit/s) 2 × USB 3.0 (5 Gbit/s)
  • Product colorBlack
  • Broad motherboard choice with ATX, Micro-ATX and Mini-ITX support
  • Fast front access via USB 3.2 Gen 2 Type-C at 10 Gbps
  • Clean interior thanks to 34 mm rear cable routing space
  • Heavy GPU clearance up to 380 mm length
  • Flexible cooling with top radiator mounts from 240 to 360 mm

Built for ATX, Micro-ATX and Mini-ITX builders

The Lanjie A31 accepts ATX, Micro-ATX and Mini-ITX motherboards and adds BTF rear-mounted support for ATX and Micro-ATX boards. A 10 Gbps USB 3.2 Gen 2 Type-C port sits on the front panel alongside two 5 Gbps USB 3.0 ports and a combo audio jack. Steel, plastic and tempered glass form the dual-panel enclosure.

Seven expansion slots and 380 mm GPU clearance

Seven PCIe slots give room for full-length graphics cards up to 380 mm long. CPU coolers up to 165 mm tall fit under the top panel. The power-supply bay takes units up to 200 mm deep. Top mounts handle 120, 140, 240, 280 and 360 mm radiators; front takes three 120 mm fans; bottom accepts three 120 mm fans; rear fits one 120 mm or one 140 mm fan.

Storage flexibility and cable routing

Drive bays can be configured as two 3.5-inch drives, one 3.5-inch plus one 2.5-inch, or two 2.5-inch drives. Pre-installed dust filters cover the top and bottom intakes. A 34 mm rear cable-management channel keeps wiring tidy behind the motherboard tray.

How it compares

Measured against everything we stock in Tower & Desktop PC Cases, at today’s prices. Recalculated every night.

Price $553.99
Pricier than about 90% of the 1,468 comparable items (median $100.99).

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Specifications

Product
Brand nameASUS
Product colorBlack
Ports & slots
Front panel ports1 × USB 3.2 Gen 2 Type-C (10 Gbit/s)
2 × USB 3.0 (5 Gbit/s)
1 × headphone/microphone combo jack
Power
Power supply includedNo
Size & build
Housing materialSteel, plastic, tempered glass
Compatibility
Supported motherboard sizesATX
Micro-ATX
Mini-ITX

Questions about this item

Will my existing ATX motherboard and 360 mm top radiator fit in the Lanjie A31?

The case supports ATX boards and a top mount for 360 mm radiators, so both will fit.

How do I confirm the front USB 3.2 Gen 2 Type-C port is running at 10 Gbps after building?

Check the OS device manager or BIOS USB section; it should report a 10 Gbps SuperSpeed connection for that port.

Does the box include any fans or a power supply, or do I need to buy them separately?

No fans or power supply are included; you must purchase a PSU up to 200 mm long and any 120 mm or 140 mm fans you want.

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