IW-R400-01N 4U Rackmount Chassis for ATX builds

4U Rackmount Chassis

The InWin IW-R400-01N is a robust 4U server chassis for rack installation, offering flexible storage configuration, support for powerful expansion cards, and high compatibility with standard components. The chassis is developed for servers, storage systems, and GPU-based computing environments where stability and expandability are important.
Perfect chassis if you want to transfer standard desktop PC components for rack mounting.

Flexible storage configuration

The chassis has several different storage options:

External drive bays

• 3 × 5.25"

• 1 × 3.5"

Internal drive bays

• 4 × 3.5"

• 1 × 2.5"

It is also possible to expand storage with special storage kits for hot-swap drives.

Support for powerful hardware

• Up to 4 dual-slot PCIe graphics cards

• Max GPU length: 350 mm

• Adjustable GPU holder and card support

This makes the chassis suitable for:

• GPU servers

• AI or rendering systems

• storage servers

• virtualization platforms

Efficient cooling

Standard cooling:

• 2 × 80 mm PWM front fans

Optional upgrades:

• 2 × 80 mm rear fans

• separate fan module for GPU cooling

This ensures stable operation even under high load.

Power supply

The chassis supports several different power supplies:

• Standard PS2 power supply

• Mini-redundant PSU

• Support for CRPS units up to 1600 W

This makes the system suitable for both single and redundant server operation.

Motherboard compatibility

Supports several server and workstation formats:

• ATX

• CEB

• EEB

This provides good compatibility with many server platforms and powerful motherboards.

Front panel and features

• Power button

• Reset button

• 2 × USB 2.0

• LED indicators for power, hard drive, and network

The chassis can also be equipped with an intrusion sensor for server monitoring.

Convertible design

The IW-R400-01N can be used both as:

• rackmount server

• tower chassis with optional stands

This makes it flexible for lab environments, server rooms, or workstations.

Specifications

Model: InWin IW-R400-01N
Type: 4U rackmount server chassis

Motherboard support

• ATX

• CEB

• EEB

Drive bays

• 3 × 5.25" external

• 1 × 3.5" external

• 4 × 3.5" internal

• 1 × 2.5" internal

Expansion

• 8 × full-height PCI slots

Cooling

• 2 × 80 mm PWM front fans

PSU support

• PS2 or redundant PSU

Dimensions and weight

Width: 430 mm
Depth: 525 mm
Height: 174.8 mm

Net weight: 12.09 kg
Package weight: 15.37 kg

Suitable for

• rack servers

• storage servers / NAS

• GPU servers

• virtualization

• AI or computing systems

The InWin IW-R400-01N is a stable and modular server chassis with ample expansion options, efficient cooling, and flexibility for both rack installation and tower use.