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DATASHEET
 
FUJITSU ETERNUS DX90 DISK STORAGE SYSTEM 
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www.fujitsu.com/eternus/
 
DATASHEET 
FUJITSU ETERNUS DX90 
DISK STORAGE SYSTEM 
 
THE DATA SAFE 
 
 
 
 
ENTRY-LEVEL DISK STORAGE SYSTEMS 
Fujitsu ETERNUS DX60/DX80/DX90 entry level disk 
storage systems are a new generation of storage 
systems with enterprise class reliability. 
Especially designed for small and medium-sized 
businesses, ETERNUS DX60/DX80/DX90 are highly 
reliable and secure Data Safes. 
 
Easy to install, configure, operate and maintain, 
ETERNUS DX60/DX80/DX90 integrate well with host 
operating systems, servers, network infrastructures 
and backup solutions.   
 
Different drive types can be mixed and securely 
monitored using appropriate RAID levels (0, 1, 1+0, 
5, 5+0 and 6). This ensures growth flexibility and 
data integrity. Administrators can dynamically move 
data, spin down disks to save energy, and encrypt 
data to prevent unauthorized access. In the event of 
a power outage, the content in the cache is secured 
on flash memory. Backup copies are always at hand 
via snapshots and clones. 
 
ETERNUS SF Express management software, 
provided with ETERNUS DX60/DX80/DX90, simplifies 
the monitoring and management of multiple 
ETERNUS DX disk storage systems from a central 
console. In addition, ETERNUS SF Express manages 
the Advanced Copy functions for data backup using 
snapshots and clones. 
 
ETERNUS DX90 
ETERNUS DX90 is the high-performance Data Safes. 
It is designed to provide compact and extremely 
reliable data center featured disk storage solutions 
for small and medium-sized businesses. Its excellent 
expandability and high throughput capability provides 
the fastest access and maximum connectivity to up 
to 240TB of storage (using 120 x 3.5” Nearline SAS 
drives) in just 20U of rack space. 
 
ETERNUS DX90 includes high availability features like 
Data Block Guard which adds an 8-byte check code 
to every 512 bytes of data. This is the same data 
integrity used with the largest enterprises solutions. 
Redundant Copy rebuilds single disk drives at the 
early signs of any potential failure. This dramatically 
reduces recovery time and minimizes the risk of 
permanent data loss. Fujitsu’s license-free encryption 
option prevents unauthorized access to confidential 
data wherever it is stored. Highly efficient 
components and effective use of Eco-Mode lowers 
the cost of operation. All of these features make it 
the most reliable and green storage system in its 
class. 
 
Business continuity is supported by the eight (two per 
controller) high-speed 8 Gbit/s Fibre Channel ports in 
ETERNUS DX90, that enable asynchronous and 
synchronous storage-based replication between two 
locations.  
 
ETERNUS DX90 is delivered already equipped with 8 
backup snapshots and can be optionally upgraded to 
1024 snapshots.