*IMPORTANT* To avoid compatibility problems use only HDDs of the same make, model, size and firmware

Model No. MD4-SAFBA5U2OA
Bridge Chipset Oxford 936QSE
Rack Mount Chassis Width: 19"
Height: 1U
Material: Anodized sheet metal

Application Two to four 3.5" SATA-I or SATA-II hard drives (1.5Gb/s or 3.0Gb/s)
4 hard drives of identical capacities are recommended for optimal performance
Supports large volumes in excess of 2TB

Interface/Ports eSATA 1 port
Firewire 800 (1394b) 2 ports
Firewire 400 (1394a) 1 port
USB 2.0 High Speed (USB 1.1 compatible) 1 port

Data Transfer eSATA up to 3.0Gbps (300MB/s)
Firewire 800 (1394b) up to 800Mbps (100MB/s)
Firewire 400 (1394a) up to 400Mbps (50MB/s)
USB 2.0 up to 480Mbps (60MB/s)
USB 1.1 up to 12Mbps (1.5MB/s)

Features Configurable hardware RAID controller (RAID 0, RAID 1, RAID 5, RAID 10)
Utilizes hardware accelerated RAID rebuild engine
Supports SATA II Gen2m specification with 3.0Gbps and 1.5Gbps data rates
Supports SATA HDD ATA7
Universal interfaces including eSATA, Firewire 800, FireWire 400 and USB 2.0
USB mass-storage compliant
Smart Fans (automatically regulates fan speed according to the internal temperature)
Externally accessible "Hot Swap" removable rack

Environment Operating Temperature: 5°C ~ 40°C
Operating Humidity: 20%RH ~ 80%
Storage Temperature: -20°C ~ 70°C
Storage Humidity: 10%RH ~ 90%RH

System Requirements (PC) eSATA: Windows 2000/XP/Vista
Firewire 800 (1394b): Windows 2000/XP/Vista
Firewire 400 (1394a): Windows 2000/XP/Vista
USB 2.0 (USB 1.1): Windows 2000/XP/Vista
Your hardware device must have the correct corresponding port (eg. USB 2.0, USB 1.1 or PCI card)

System Requirements (Mac) eSATA: Mac OS 10.3 or higher
Firewire 800 (1394b): Mac OS 10.2 or higher
Firewire 400 (1394a): Mac OS 10.1.5 or higher
USB 2.0 (USB 1.1): Mac OS 10.2 or higher
Your hardware device must have the correct corresponding port (eg. USB 2.0, USB 1.1 or PCI card)

Power Supply Internal Power Supply universal auto-switching (UL, TUV, CE, BSMI, FCC approved)
Protection: OVP, Short
Input: AC 90-260V, 50Hz/60Hz
Output: DC 12V/14A, 5V/12A, 220W

Enclosure Size 43cm x 42cm x 4.3cm
Packing Accessories MD4 Super-S Combo (no HDD included)
USB 2.0 cable
Firewire 1394a cable (6 to 6pin)
Firewire 1394b cable (9 to 9pin)
eSATA cable
Power cord & manual

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*IMPORTANT*

To avoid compatibility problems use only HDDs of the same make, model, size and firmware

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Model No. MD4-SAFBA5U2OS
Certifications N/A
Rack mount chassis -Width: 19"
-Height: 1U
-Material: Anodized sheet metal

Application -Two to four 3.5" SATA-I or SATA-II hard drives (1.5Gb/s or 3.0Gb/s)
-Capacity 80GB - 3TB per HDD
-Four hard drives of identical capacities are recommended
-Supports large volumes in excess of 2TB

RAID mode -RAID 0
-RAID 1
-RAID 5
-RAID 10

Interface/Ports -1x eSATA port
-2x 9-pin FireWire 800 ports
-1x 6-pin FireWire 400 port
-1x USB 2.0 High Speed port

Data transfer -eSATA up to 3Gbps (300MB/s)
-FireWire 800 (1394b) up to 800Mbps (100MB/s)
-FireWire 400 (1394a) up to 400Mbps (50MB/s)
-USB 2.0 up to 480Mbps (60MB/s)

System requirements (PC) -eSATA: Windows XP/Vista/7
-FireWire 400/800: Windows XP/Vista/7
-USB 2.0: Windows XP/Vista/7
-Your hardware device must have the correct corresponding port (e.g. USB 2.0, FireWire 800 or PCI card)
-eSATA Plug and Play support required for host card driver

System requirements (Mac) -eSATA: Mac OS 10.4 or above
-FireWire 400/800: Mac OS 10.2 or above
-USB 2.0: Mac OS 10.2 or above
-Your hardware device must have the correct corresponding port (e.g. USB 2.0, FireWire 800 or PCI card)
-eSATA Plug and Play support required for host card driver

System environment -Operating Temperature: 5°C ~ 40°C
-Operating Humidity: 20%RH ~ 80%RH
-Storage Temperature: -20°C ~ 70°C
-Storage Humidity: 10%RH ~ 90%RH

Power supply -Internal power supply (UL, TUV, CE, BSMI, FCC approved)
-Protection: OVP, Short
-Input: AC 90-260V, 50Hz/60Hz
-Output: DC +5V/12A, +12V/14A, 220W

Dimensions (LxWxH) -43cm x 42cm x 4.3cm

Packing accessories -MD4 chassis (HDD not included)
-eSATA cable
-USB 2.0 cable
-FireWire 400 cable
-FireWire 800 cable
-User manual

Carton/Packing -Retail Box Size: 55cm x 52.8cm x 16cm (1pc per box)

Remarks -In order for the computer to access volumes larger than 2TB, both the hardware and Operating System need to support large volumes (e.g.: Windows Vista, Windows 7 or Mac OS 10.4 and above).