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EPICa Series EP-2243S/D-S3S3
2U SAS-SAS/SATAII RedundantRAID Subsystem
※Fully redundant with hot swappable Controller, disks, cooling fans and power supplies
※Modular Design With Common Parts
※Supports RAID levels 0, 1, 0+1, 3, 5, 6, 30, 50, 60 and JBOD
※Supports online Array roaming
※Online RAID level/stripe size migration
※Online capacity expansion and RAID level migration simultaneously   
※Online Volume Set Expansion
※Supports multiple array enclosures per host connection
※Supports greater than 2TB per volume set (64-bit LBA support)
※Supports 4K bytes/sector for Windows up to 16TB per volume set
※Support spin down drives when not in use to extend service (MAID 2.0)
※Supports up to 128 LUNs per RAID set
※Transparent data protection for all popular operating systems
※RAID ADG provides the highest level of data protection
※Instant availability and background initialization
※Supports S.M.A.R.T, NCQ and OOB Staggered Spin-up capable drives
※Supports hot spare and automatic hot rebuild
※Local audible event notification alarm
※Supports password protection
※Built-in serial port interface for remote event notification

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Highest Density Available
‧ 2U chassis with 24 bays carriers
‧ Support the latest 2.5”enterprise class SAS/SATA disk drives

Unsurpassed Data Availability
‧ RAID 6 capability provides the highest level of data protection
‧ Expansion capability up to 4 enclosures – total of 96 drives

Unparalleled Energy Saving
‧Low power consumption & Low heat production
‧MAID 2.0 20%~60% power savings

Exceptional Manageability
‧The firmware-embedded Web Browser-based RAID manager allows local or remote management and configuration     
‧The firmware-embedded SMTP manager monitors all system events and user notification automatically     
‧The firmware-embedded SNMP agent allows remote to monitor events via LAN with no SNMP agent required
‧ Menu-driven front panel display 
‧Innovative Modular architecture

EP-2243S-S3S3 EP-2243D-S3S3
Form - factor
2U 19-inch rackmount chassis 2U 19-inch rackmount chassis
RAID processor
Intel IOP341 64-bit Intel IOP341 64-bit
RAID level
0, 1, 0+1, 3, 5, 6, 30, 50, 60 and JBOD 0, 1, 0+1, 3, 5, 6, 30, 50, 60 and JBOD
Cache memory
Host bus interface
Two 4x mini SAS (SFF-8088) Four 4x mini SAS (SFF-8088)
Drive bus interface
SAS or 3Gb/s SATA II SAS or 3Gb/s SATA II
Data transfer rate
Up to 300MB/sec per channel Up to 300MB/sec per channel
One 4x mini SAS (SFF-8088) Two 4x mini SAS (SFF-8088)
Controller Redundancy
Option Yes
Hot-swap drive trays
Twenty four (24) 2.5” Small Form Factor(SFF) trays Twenty four (24) 2.5” Small Form Factor(SFF)trays
Total Disks Supported
96 96
Max Number of chassis
4 (1 RAID and 3 JBOD) 4 (1 RAID and 3 JBOD)

Online capacity expansion, RAID level/stripe size migration

Yes Yes
Online Volume sets expansion
Yes Yes
Online Array roaming
Yes Yes
Online consistency check
Yes Yes
SMTP manager and SNMP agent
Yes Yes
E-mail Notification
Yes Yes
Redundant Flash image
Yes Yes
R-Link support 
Yes  (RJ-45) Yes  (RJ-45)
Support over 2TB per volume
Yes  Yes 

Instant availability and background initialization

Yes  Yes 
S.M.A.R.T. support
Yes  Yes 
New disk insertion / removal detection
Yes  Yes 
Failed drive auto rebuild
Yes  Yes 
Continuous rebuild
Yes  Yes 
Multiple RAID selection
Yes  Yes 
Bad block auto-remapping
Yes  Yes 
Audio alarm 
Yes  Yes 
Password protection
Yes  Yes 
Monitor port
Yes  (RS-232, RJ-11) Yes  (RS-232, RJ-11)
SES2 enclosure management
Yes  Yes 
Hot-swap power supplies
Two(2) 400W power supplies w/PFC Two(2) 400W power supplies w/PFC
Cooling fans 
2 2
Battery backup
Option Option
Power requirements 

AC 90V ~ 264V full range 8A ~ 4A, 47Hz ~ 63Hz

AC 90V ~ 264V full range 8A ~ 4A, 47Hz ~ 63Hz    


Relative Humidity:
Operating Temp: 

10% ~ 85% Non-condensing 10°C ~ 40°C (50oF ~ 104oF)

10% ~ 85% Non-condensing 10°C ~ 40°C (50oF ~ 104oF)

Physical Dimensions: 
88(H)x483(W)x559(D)mm 88(H)x483(W)x559(D)mm
14kg (without drives) 15kg (without drives)

Single Controller
Firmware [744KB]
Dual Controller
Firmware [772KB]

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