The EP-4643 series RAID subsystem features 12Gb SAS host performance to increase system efficiency and performance. The EP-4643 systems are equipped with 64 hot swappable SAS2/SATA3 hard disk drive bays. It can connect with expansion enclosures to accommodate up to 256 drives. The EP-4643D2 series also supports dual redundant controllers which provide better fault tolerance and higher reliability of system operation.
Model | EP-4643S2/D2-SCS6 |
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RAID Controller | 12Gb SAS – 6Gb SAS |
Controller | Single or Redundant |
Host Interface | Two / Four 4x mini SAS HD (12Gb/s) (SFF-8644) |
Disk Interface | 6Gb/s SAS, 6Gb/s SATA HDD/SSD |
SAS expansion | One / Two 6Gb/s SAS (SFF-8644) |
- Direct Attached | 64 Disks |
- Expansion | Up to 256 Disks |
Processor Type | 1.2GHz Dual Core RAID-On-Chip processor |
Cache Memory | 2GB ~ 8GB DDR3 ECC SDRAM (per controller) |
Management Port Support | 2 x RJ11 Serial Ports; 1 x RJ45 Ethernet Port |
Battery Backup Module(BBM) | Optional |
Flash-based Backup Module(FBM) | Optional |
RAID Features | |
RAID level | 0, 1,10(1E), 3, 5, 6, 30, 50, 60, 00, 100, Single Disk and JBOD |
LUNs | Up to 128 |
Hot Spare | Global and Dedicated |
Stripe Size | Up to 1024KB |
Cache writing approaches | Write-through or write-back |
Online Rebuild | Yes |
Automatic drive insertion / removal detection | Yes |
Multiple RAID selection | Yes |
Online Array roaming | Yes |
Online RAID level / stripe size migration | Yes |
Online capacity expansion | Yes |
Online volume set growth | Yes |
SNMP manager | Yes |
E-mail Notification | Yes |
Instant availability and background initialization | Yes |
HDD Xfer Speed Test | Yes |
Real time clock support | Yes |
RAID clock Synchronization | Yes (Using NTP) |
Multiple pairs SSD/HDD disk clone | Yes |
Multi-Path I/O (MPIO) Support | Yes |
Enclosure | |
Platform | Rackmount |
Form Factor | 4U |
# of Hot Swap Trays | 64 |
Tray Lock | Yes |
Disk Status Indicator | Access / Fail LED |
Backplane | SAS2 / SATA3 |
# of PS / Fan Modules | 1100W 80plus x 2 w/PFC |
# of Fans | 15 |
Power Requirements | AC 100V ~ 240V Full Range 15A ~ 7.5A, 47Hz ~ 63Hz |
Default Slide Rail: | Post to Post 800mm~1090mm (32”~42”) |
Option: | Post to Post 750mm~900mm (29”~35”) |
Environmental | |
Relative Humidity | 10% ~ 85% Non-condensing |
Operating Temperature | 10°C ~ 40°C (50°F ~ 104°F) |
Physical Dimension | 880(L) x 482.6(W) x 177(H) mm |
Weight (Without Disk) | 43.5 / 45Kg |
Firmware | Release Note |
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[1.93MB] | [18.1KB] |