FEATURES

• Backplane support for 4 port SAS / SATA drives and 12 Gb/s Mini-SAS SFF-8087***
• Supports four 2.5" / 3.5" SAS/SATA HDD / SSD
• Includes three 80 × 15mm PWM fans
• Independent drive status LED
• Supports Micro ATX motherboards
• Supports four low profile PCI / PCIe slots
• Auto lock handle design easily secures to rackmount cabinet without screws

SPECIFICATIONS

• Model No.: SST-RM21–304
• Chassis form factor: 2U
• Motherboard:
  • Micro ATX (9.6" x 9.6")
  • Mini-ITX (6.7” x 6.7”)
• Drive Bay:
  • External: 3.5" or 2.5" HDD/SSD hot-swap x 4
  • Internal: 3.5" x 1, 2.5" x 1 (up to 15mm), slim optical x 1 (up to 12.7mm)
• Cooling System: 80 × 15mm ball bearing fan x 3, 4000±10%RPM
• Power Supply: 2U single or 2U redundant / PS2 (ATX) up to 160mm deep and 86.3mm height (not included)
• Limitation of CPU cooler: 68mm
• Power connector on HDD backplane: 4-Pin peripheral x 2
• Expansion Slot: Low profile PCI / PCIe x 4
• Front I/O Port:
  • USB 2.0 × 1
  • USB 3.1 Gen 1 Type-A x 1
• Front buttons:
  • Power On / Off
  • System reset
• Indicators:
  • Chassis:
    • Power LED x 1: Blue
    • HDD Access x 1: Green
    • LAN LED x 2: Green
  • HDD Tray:
    • HDD Power LED x 8: Yellow
    • HDD Access x 8: Blinking green
• HDD backplane: 4 ports SAS / SATA to Mini-SAS SFF-8087 × 1
• HDD Interface:
  • SAS-1 / SAS-2 / SAS-3
  • SATA-1 / SATA-2 / SATA-3
• Main metal thickness: 1mm
• Net Weight: 6.3 kg
• Dimension:
  • 430mm (W) x 88.5mm (H) x 480mm (D) 18.3 Liters
  • 16.93" (W) x 3.48" (H) x 18.9" (D) 18.3 Liters