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1.2 Technical Specifications Form Factor：
1U 19-inch rackmount chassis
RAID processor：
Intel XScale IOP331 Instant RAID volume availability and
background initialization support
RAID Level：
0, 1, 0+1, 3, 5, 6, 10 and JBOD Supports over 2TB per volume
Cache memory：
512MB ~ 1GB DDR333 DIMM supported Online consistency check
No. of channels (host and drives)：
2 and 4 Bad block auto-remapping
Host bus interface ：1Gb/s Ethernet
S.M.A.R.T. support
Drive bus interface ：3Gb/s SATA II
New disk insertion / removal detection
Hot-swap drive trays：
Four (4) 1-inch trays Aut o volume rebuild
Host access control：
Read-Write & Read-Only Array roaming
Supports CHAP authentication Audible alarm
Jumbo frame support Password protection
Global hot spare disks UPS connection
Maximum logical volume: up to 255 Power supplies: 220W power supply
w/PFC
Maximum host connection：up to 32 Cooling fans：1
Maximum host clustering：
up to 8 for one logical volume
Power requirements：
AC 90V ~ 264V full range
6A ~ 3A, 50Hz ~ 60Hz
Online Volume migration Environmental
Relative Humidity：
10% ~ 85% Non-condensing
Online Volume expansion Operating Temp：
10oC ~ 40oC (50oF ~ 104oF)
Configurable stripe size Physical Dimensions：
44(H) x 446.4(W) x 506(D)mm