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EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual
1.1.2 Model Variations
There are two available models in the 2U version of the EonStor SATA-II RAID
subsystem series. Below is a comparison chart listing major components of the two
models.
A12U-G2421 A08U-G2421
Number of Drive Bays
12 8
RAID Controller
IFT-82AU24GD12 IFT-82AU24GD08
Host Channels
SCSI-320 x 2 SCSI-320 x 2
PSUs
2 2
Cooling Modules
3 2
LCD Panel
1 1
Battery Support
Optional Optional
Table
1
- 1: Available SATA RAID Subsystem Models
NOTE:
On receiving and unpacking your subsystem, please check the package contents
against the included unpacking checklist. If any modules appear to be missing,
please contact your subsystem vendor immediately.
1.1.3 Enclosure Chassis
1.1.3.1 Chassis Overview
The EonStor subsystem comes in a 2U metal chassis. A backplane board divides the
enclosure internally into front and rear sections. The front section accommodates
twelve (12) or eight (8) drive trays (with their associated hard drives) and the rear
section accommodates two (2) PSU modules, two (2) or three (3) single-fan cooling
modules, and a single RAID controller module. The two (2) forearm handles on the
front of the subsystem enable you to easily insert/extract the chassis into/from a rack
or cabinet. Pre-drilled mounting holes on the sides of the chassis allow you to attach
separately purchased slide rails.
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