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Black mid-tower case with tempered glass side panel and column-free interior

ASUS

ASUS Neptune A32 Column-Free Seaview PC Case Black

SKU CH-2BHA-2M5WT

A column-free tempered-glass chassis fits ATX, Micro-ATX or Mini-ITX boards, takes a 420 mm graphics card and 165 mm CPU cooler, and offers 90 mm of rear cable space

  • Supported motherboard sizesATX Micro-ATX Mini-ITX
  • Housing materialSteel, tempered glass, plastic
  • Front panel ports2×USB 3.0 (5 Gbit/s) 1×Headset combo jack
  • Product colorBlack
  • Column-free seaview design showcases components through tempered glass
  • Supports ATX, Micro-ATX and Mini-ITX motherboards for flexible builds
  • 90 mm rear cable routing space keeps interior tidy
  • Fits graphics cards up to 420 mm and CPU coolers up to 165 mm
  • 2× USB 3.0 (5 Gbps) and headset jack on front panel

Column-Free Seaview Design

The ASUS Neptune A32 is a mid-tower chassis built around a column-free seaview layout that removes the traditional vertical pillar for an unobstructed view of internal components. It accepts ATX, Micro-ATX and Mini-ITX motherboards and is finished in black with steel, tempered glass and plastic construction.

Removable Drive Trays And Mortise-And-Tenon Frame

Removable hard drive trays allow the 3.5 and 2.5 inch bays to be configured as 2+0, 1+1 or 0+2 depending on storage needs. The easy-to-disassemble mortise-and-tenon frame lets panels separate without tools, simplifying hardware swaps and deep cleaning.

Tool-Free Panels And Magnetic Dust Filters

Tool-free side panels and the mortise-and-tenon structure make assembly straightforward, while magnetic dust filters on the right side and bottom detach quickly for maintenance. Builders should verify that their graphics card does not exceed 420 mm, the CPU cooler stays within 165 mm and the power supply fits the 220 mm limit before purchasing.

How it compares

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

Price $592.99
Pricier than about 91% of the 1,468 comparable items (median $100.99).

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Specifications

Product
Brand nameASUS
Product colorBlack
Ports & slots
Front panel ports2×USB 3.0 (5 Gbit/s)
1×Headset combo jack
Power
Power supply includedNo
Size & build
Housing materialSteel, tempered glass, plastic
Compatibility
Supported motherboard sizesATX
Micro-ATX
Mini-ITX

Questions about this item

How often will the 2 magnetic side and 1 magnetic bottom dust filters need cleaning under sustained use?

The 2 magnetic side filters and 1 magnetic bottom filter are removable for washing; cleaning frequency depends on ambient dust but they are the only filters fitted.

Which dimension limits a long graphics card first when the 420 mm GPU clearance is fully used?

The 420 mm maximum GPU length is the hard limit; cards longer than that cannot be installed regardless of other clearances.

How much heat can the case move when all 10×12 cm fan mounts are populated and running all day?

The case supports up to 10×120 mm fans across top, front, rear and PSU compartment; actual airflow depends on the fans you choose and their speed curves.

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