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====== Technical Specifications ======

===== Dimensions =====
^ Component ^ inches  ^ millimeters  ^
| Height (enclosure, overall)  | 3.46  | 87.9  |
| Width across mounting flange  | 19.01  | 483  |
| Width across body of enclosure  | 17.44  | 443  |
| Depth from front mounting flange to extremity of enclosure body  | 22.71  | 576.8  |
| Depth from Ops Panel to furthest extremity of enclosure  | 24.79  | 629.6  |
| Depth from front mounting flange to furthest extremity of enclosure  | 23.74  | 602.9  |

===== Weights =====
^ Component  ^ Weight (kg) ^ Weight (lb.) ^
| Enclosure (empty) | 4.8 | 10.56 |
| Drive Carrier | 0.9 | 1.98 |
| Dummy Drive Carrier | 0.05 | 0.11 |
| PCM  | 2.7 | 5.94 |
| I/O Module | 1.5 | 3.3 |
| Blank I/O Module | 0.5 | 1.1 |
| Enclosure (Fully Populated) \\ Total Weight (maximum) | 26 | 57.2 |

===== Environment =====

**Table A–1: Ambient Temperature and Humidity**

^  ^ Temperature Range ^ Relative Humidity ^ Max. Wet Bulb ^
| Operational | 5°C to 40°C | 8% to 80% non-condensing | 23°C |
| Non-Operational | 1°C to +50°C | 8% to 80% non-condensing | 27°C |
| Storage | 1°C to +60°C | 5% to 80% non-condensing | 29°C |
| Shipping | -40°C to +60°C | 5% to 100% non-precipitating | 29°C |


^ Airflow  | System must be operated with low pressure rear exhaust installation (Back pressure created by rack doors and obstacles not to exceed 5 pascals [0.5mm Water gauge]) |
^ Altitude, Operational  | 0 to 3045 m (0 to 10,000ft) |
^ Altitude, Non-Operational  | -305 to 12,192m (-1000 to 40,000ft) |
^ Shock, Operational  | Vertical axis 5g peak 1/2 sine, 10ms |
^ Shock, Non-Operational  | 20g 10ms 1/2 sine (test w drives) \\ 30g 10ms 1/2 sine (test w/o drives) |
^ Vibration, Operational  | 0.21grms 5-500 Hz Random |
^ Vibration, Non-Operational  | 0.8grms 2-200 Hz Random (test w drives) \\ 1.04grms 2-200 Hz Random (test w/o drives) |
^ Vibration, Relocation  | 0.15g 2-200 Hz sine (test w drives) \\ 0.3g 2-200 Hz sine (test w/o drives) |
^ Acoustics  | Sound Power \\ • SATA Drives: Less than 6.8 B Lwa - idle @ 20°C ambient \\ • SAS Drives: TBD |
^ Orientation & Mounting \\ • Rack Rails \\ • Rack Characteristics | 19" Rack mount (2EIA Units) \\ To fit 800mm depth racks compliant with the SSI Server Rack Specification \\ Back pressure not exceeding 5 pascals (0.5mm water gauge) |

===== Power Cooling Module (2 x 580W) =====

^ Dimensions | 84.3mm High x 104.5mm wide x 340.8mm Long (3.32in x 4.11in x 37.03in) |
^ Maximum Output Power  | 580 W |
^ Voltage Range  | 100 - 240 VAC Rated |
^ Frequency  | 50/60 Hz |
^ Voltage Range Selection  | Auto Ranging: 90 - 264 VAC, 47/63Hz |
^ Maximum Inrush Current  | 20A |
^ Power Factor Correction  | ≥95% @ nominal input voltage |
^ Harmonics  | Meets EN61000-3-2 |
^ Output  | +5 V @: 42A, +12 V:@ 36A, +5 V standby voltage @ 2 A |
^ Operating Temperature  | 0° to 57°C |
^ Hot Pluggable | |
^ Switches & LEDs  | AC Mains Switch and four status indicator LEDs |
^ Enclosure Cooling  | Dual axial cooling fans with variable fan speed control |

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===== Drive Carrier Module =====

<note important>**Important info:** Disk drives must be UL approved. Operating the LaCie 12big Rack Serial 2 with non-approved drives may invalidate the warranty.</note>

==== Drive Carrier ====

^ Module Dimensions  | Height 26.6 mm Width 106.5 mm Depth 220.2 mm |
^ Weight  | 0.8 kg (1.0" 300Gb drive) |
^ Operating Temperature  | 5° C to 35° C |
^ Power Dissipation  | 18 Watts maximum |

=== Drives ===

  * 3.0Gb/s direct dock SAS (up to 15000 rpm)
  * 3.0Gb/s dual path SATA (up to 7200 rpm) via Active/Active SATA Transition Card

===== I/O Modules =====

Please refer to the SBB I/O Module Installation Guide (P/N xxxxx-01) for technical details of available I/O Modules.