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White mid-tower PC case with tempered glass side panel, column-free interior, removable drive trays and mortise-and-tenon frame

ASUS

ASUS Neptune A32 Seaview PC Case White

SKU CH-21C7-263Q5

A column-free ATX case with tempered glass, removable drive trays and mortise-and-tenon disassembly for 420 mm GPUs and 360 mm radiators

  • 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 colorWhite
  • Spacious interior fits graphics cards up to 420 mm
  • Flexible drive mounting offers three 3.5-inch or 2.5-inch configurations
  • Ample cable routing space with 90 mm rear clearance
  • Magnetic dust filters on right side and bottom simplify cleaning
  • Supports up to ten 120 mm fans for extensive airflow

ATX column-free seaview chassis

The ASUS Neptune A32 is a white mid-tower case built around a column-free layout that shows the full interior through tempered glass. It accepts ATX, Micro-ATX and Mini-ITX motherboards and provides seven PCIe expansion slots for graphics cards up to 420 mm long.

Mortise-and-tenon frame with magnetic filters

The tool-free mortise-and-tenon structure lets panels and drive trays lift out without screws. Two magnetic dust filters on the right side and one on the bottom snap off for cleaning, while 90 mm of rear cable-management space keeps routing tidy.

Clearance limits for GPU, cooler and PSU

Before ordering, verify that your graphics card fits within 420 mm, your CPU cooler stays under 165 mm and your power supply is no longer than 220 mm. The case ships without a power supply, so a separate ATX unit is required.

How it compares

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

Price $559.99
Pricier than about 90% of the 1,468 comparable items (median $100.99).

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Specifications

Product
Brand nameASUS
Product colorWhite
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 do I confirm the case is assembled correctly after building?

Check that all tempered-glass panels sit flush, the magnetic dust filters on the right side and bottom snap securely, and the rear cable-management area closes with its 90 mm clearance intact.

What comes in the box and what must I purchase separately?

The case includes the steel frame, tempered-glass panels, two removable drive trays configurable as 2×3.5″, 1×3.5″+1×2.5″ or 2×2.5″, seven PCIe slot covers, magnetic dust filters, and front I/O with 2×USB 3.0 and a headset jack; a power supply is not included.

Which version should I choose for a 420 mm graphics card and 360 mm top radiator?

This single white model supports GPUs up to 420 mm, CPU coolers up to 165 mm, PSUs up to 220 mm, and top-mounted 360 mm radiators, so it covers those requirements without needing a different SKU.

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