Questions & Answers: Supermicro CSE-745BAC-R1K23B-SQ 4U tower chassis - supports maximum motherboard sizes up to E-ATX 13.68" x 13"

double click image to zoom in

Supermicro CSE-745BAC-R1K23B-SQ 4U tower chassis - supports maximum motherboard sizes up to E-ATX 13.68" x 13"

8x 3.5"/2.5" SAS/SATA Backplane for Hot-Swappable Drives
Whisper-Quiet (<27dB)
Front HDD Door Lock & Side Panel Intrusion Switch
Front I/O Ports: 2x USB 3.0
2x 8cm (2800 rpm) PWM Fans & 1x 9cm (2400 rpm) PWM Fans
4U / Full Tower Chassis Supports max. Motherboard, Sizes: E-ATX 13.68" x 13"/ATX/Micro ATX
1200W (1 + 1) Redundant Titanium Level Certified High-Efficiency Power Supply
3x 5.25" External HDD Drive Bays & 8x 3.5/2.5" Hot-Swappable HDD Drives