Products & Solutions



The DSI520 is designed to help you keep pace with your rapidly expanding business by utilizing state-of- the-art deduplication for your backup systems. There is no disruption as your capacity or performance needs change…simply add a license to your existing solution. Designed with growth in mind, the entire DSI520 series can increase its storage capacity via 1TB repository licensing increments. There is no need to purchase more backup capacity than you need. Ever.

  • Supports back end physical tape (through Fibre Channel only)
  • Deduplication (requires DSI520-EVD)
  • Up to 128 Virtual Libraries
  • Up to 1,024 Virtual Tape Units
  • Up to 64,000 Virtual Tape Cartridges
  • Open systems ISV attachment
  • Supports replication (with encryption and compression)
  • Tape consolidation (stacking) - Multiple tape 'cartridges' stacked onto a single 'cartridge'
  • SecureTape encryption
  • High availablility
  • DSI TapeManager / LibraryManager
  • VTL Agent support
  • 10 Gb network interface
Storage 8 x 4TB SED drives
12TB user storage
4-120TB logical storage*
Raid Level 6 + 1
Processor Type 2 x Xeon 4114
Memory 64GB
Interfaces 4 x 16GB FC Ports (+2 option)
Power Supply 2 x 1100W (N+1) Hot Swap
Power Requirements 100-240 V AC (12 A-6.5 A)
Physical Dimensions
482.0 mm (18.98") x 714.64
mm (28.13") x 86.8
mm (3.42")
Form Factor 2U
Weight 28.6 kg (63.05 lb.)
Heat Output/Cooling Requirements 4,100 BTUs/hr
Operating Temperature 10°C to 35°C (50°F to 95°F)
Cooling Requirements 4100 BTU/hr.
Operating Humidity 10% to 80% relative humidity
Max Virtual Libraries 128
Max Virtual Tape Units 1,024
Max Virtual Tape Cartridges 64,000
Processor Type 2x Intel Xeon E5-2620 v3

For more information or if you have questions about our Unisys Clearpath products and backup solutions, we're available to help.

“The system fit into our existing environment with no issues and right
away we noticed the difference. Instead of loading and unloading
physical tapes manually, now we just point and click and are able to start
our backup processes.”

Erin Hernandez, Systems Support Analyst

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