Supermicro CSE-731I-404B Mini Tower Server Case 400W Gold PSU
Supermicro CSE-731I-404B Mini Tower server chassis with 400W Gold-certified PSU. Supports Micro ATX motherboards, includes 2x 5.25-inch external and 4x 3.5-inch internal drive bays, 2x USB 3.0 front I/O, rear 90mm fan, Kensington lock.
Available in 4–6 business days : 10 pieces
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The Supermicro CSE-731I-404B is a compact mini-tower server chassis designed for small office and home server deployments. It features a pre-installed 400W Gold-level certified power supply, ensuring energy efficiency and reliability for entry-level server and workstation builds. The chassis supports Micro ATX motherboards (up to 9.6-inch x 9.6-inch) and provides excellent expandability with 2 external 5.25-inch drive bays and 4 internal 3.5-inch drive bays, accommodating up to 6 total drives.
Built for quiet, professional operation, this case delivers whisper-quiet performance at less than 25dB with a rear-mounted 90mm PWM fan (2050 RPM) and optional front 80mm intake fan support. The chassis includes a 90-degree rotatable HDD cage for flexible drive orientation, Kensington lock support for security, and screwless drive bays for tool-free installation. Front I/O provides 2x USB 3.0 ports for convenient device connectivity, while the case supports up to 4 expansion slots for additional hardware integration.
Ideal for small business servers, network storage, and compact workstations, the CSE-731I-404B combines professional-grade build quality with practical features for reliable, long-term operation in demanding environments.
- 400W Gold-certified power supply included
- Supports Micro ATX motherboards
- 2x 5.25-inch external + 4x 3.5-inch internal drive bays
- Rear 90mm PWM fan with optional front 80mm intake
- 2x USB 3.0 front I/O ports
- Kensington lock and rotatable HDD cage
- Whisper-quiet operation (<25dB)
- 4 expansion slots for additional hardware
| Type | Server |
| Form Factor | Mini Tower |
| Color | Black |
| Motherboard Support | Micro ATX (up to 9.6-inch x 9.6-inch) |
| Power Supply | 400W Gold-certified |
| External 5.25-inch Drive Bays | 2 |
| Internal 3.5-inch Drive Bays | 4 |
| Maximum Total Drive Capacity | 6 drives |
| Expansion Slots | 4 |
| Front USB Ports | 2x USB 3.0 |
| Rear Fan | 1x 90mm PWM (2050 RPM) |
| Front Fan Support | Optional 1x 80mm (2800 RPM) PWM |
| Maximum Fans Supported | 1 (rear) |
| Noise Level | Less than 25dB (whisper-quiet) |
| Features | Kensington lock, 90-degree rotatable HDD cage, screwless drive bays, on/off button |
| Width | 184mm (7.3-inch) |
| Height | 362mm (14.3-inch) |
| Depth | 425mm (16.8-inch) |
| Weight | 7.26kg (16 lb) |
| Operating Temperature | 5 to 35°C |
| Storage Temperature | -40 to 70°C |
| Operating Humidity | 8 to 90% RH |
| Storage Humidity | 5 to 95% RH |
| Warranty | 1 year parts, 3 years labor |
| Compliance Standards | CB, CE/EMC, CUL, FCC Class B, UL |
| Manufacturer | Supermicro Computer, Inc. |
| Model Number | CSE-731I-404B |
| EAN13 | 0672042440184 |