Supermicro CSE‑743TQ‑903B‑SQ

The Supermicro CSE‑743TQ‑903B‑SQ is a 4U server/tower hybrid chassis designed for enterprise and high-capacity storage environments. It supports multiple hot-swap drives, quiet cooling, and a high-efficiency power supply. :contentReference[oaicite:0]{index=0}

Features

• 4U / Full Tower Design: Supports motherboards up to E‑ATX 12" × 13" as well as ATX and Micro ATX. :contentReference[oaicite:1]{index=1}
• Hot-Swappable Drive Bays: 8 × 3.5" / 2.5" SAS/SATA bays with backplane (SES3) for hot-swap support. :contentReference[oaicite:2]{index=2}
• External Drive Bays: 3 × 5.25" external bays for optical or additional devices. :contentReference[oaicite:3]{index=3}
• Quiet Operation: Operating noise under 28 dB. :contentReference[oaicite:4]{index=4}
• Cooling & Fans: Two 80 mm PWM fans (front) + one 90 mm PWM rear fan. :contentReference[oaicite:5]{index=5}
• Power Supply: Includes a 903 W 80 PLUS Gold high-efficiency PSU. :contentReference[oaicite:6]{index=6}
• Front I/O & Controls: 2 × USB 3.0 ports, power/reset buttons, LEDs (power, HDD activity, system status). :contentReference[oaicite:7]{index=7}
• Security & Intrusion: Front HDD door lock and side panel intrusion switch. :contentReference[oaicite:8]{index=8}
• Expansion Slots: 7 full-height, full-length PCIe (or other expansion) slots. :contentReference[oaicite:9]{index=9}
• Dimensions & Weight: 452 mm (H) × 178 mm (W) × 647 mm (D); net weight ≈ 24.04 kg. :contentReference[oaicite:10]{index=10}

Benefits

• High-density storage capability with 8 hot-swap bays — ideal for servers, NAS, or storage clusters.
• Quiet chassis design enables deployment in noise-sensitive environments. :contentReference[oaicite:11]{index=11}
• Robust power margin via 903 W Gold PSU — supports heavy component loads.
• Flexibility in expansion with multiple PCIe slots and external drive bays.
• Enhanced security features and front I/O convenience.

Package Contents: Supermicro CSE‑743TQ‑903B‑SQ chassis with 903 W PSU, backplane, drive trays, drive cage, fan assemblies, cables (SATA, front I/O), and rails/kit (depending on supplier). :contentReference[oaicite:12]{index=12}

Recommended Usage

• Enterprise or small data centers requiring a high-capacity drive chassis.
• Storage servers, backup/archival systems, media servers.
• Hybrid compute + storage applications.
• Deployments where noise should be minimized but component density remains high.

Keywords

Supermicro, CSE‑743TQ‑903B‑SQ, 4U chassis, server tower, hot-swap bays, 903W Gold PSU, E-ATX support, quiet server chassis, expansion slots, SAS/SATA backplane.