RLS-8500 ​Expandable Rack Mount Library | Up to 22 Tape Drives and 474 Cartridges

Offering superior performance and value, RLS-8500 Series libraries deliver capacities up to 1.37 petabytes (in LTO-8 native mode) in just 10U. Using typical data compression ratios, each library module can exceed 3.4 petabytes. Multi-module configurations can exceed 14.2 petabytes in a single rack.

  • RLS-8560 libraries contain 54 data cartridge storage slots and a dedicated four-slot I/O port
  • RLS-85120 models house 114 data cartridge slots with 1 four-slot I/O port; or 108 slots with 2 four-slot I/O ports
  • Both models house up to 7 LTO-6, LTO-7 or LTO-8 tape drives

Expansion Ready

  • Two, three, or four RLS-8500 Series modules can be interconnected easily and economically
  • Up to 474 tapes enabling over 14.2PB compressed data to be stored in just 40U
  • Up to 22 LTO-6, LTO-7 or LTO-8 SAS or Fibre Channel tape drives
  • FastPass™, Qualstar’s simple, robust tape mover fits entirely within library
  • User-installable; self-calibrating
  • No additional power or cooling is needed
  • Optional second storage matrix adds 60 slots to RLS-8560

Encryption Enabled

Protect valuable data in transit

  • Simple, easy-to-use
  • Library-based encryption
  • User assigns keys
  • Separate key per partition

Q-Link™ Remote Manager:

  • Q-Link enables any RLS tape library to be configured, monitored, diagnosed and managed from anywhere in the world
  • Web browser-based
  • Single-view local and remote management
  • Remote monitoring and troubleshooting

Reliable, Intelligent Robotics:

  • Lead screw based robotics
  • Brushless DC motors and closed-loop servo control systems
  • All field-replaceable units, options and tape drives are auto-discovering
  • No electrical and mechanical adjustments
  • Drives are self-connecting, simply slide them in or out
  • All service access is through the front or rear of the unit without removing it from the rack

Easy Operation:

  • RLS-8500 libraries are equipped with high resolution, color touch screens for local operation
  • Intuitive menu-driven user interface
  • Easy-to-use installation, configuration, and operation
  • All functions and controls are replicated in the Q-Link browser-based remote manager

Advanced Cartridge Management and Security:

  • Barcode scanning controls the media inventory
  • Dedicated four-slot I/O port in base module
  • Optional additional four-slot I/O port in RLS-85120
  • Additional I/O ports optional in expansion modules

Logical Library Partitioning

  • Enables multiple servers to share a single library, up to one partition per drive.

RLS-8500 ​Expandable Rack Mount Library Datasheet

Engineered for Reliability:

  • Auto-connecting, user-installable tape drives
  • All brushless motors
  • Self-calibrating all-digital servo control system
  • Auto-aligning: No mechanical or electrical adjustments
  • Auto-discovery of all components
  • Automated tape drive cleaning
  • Filtered, forced-air cooling


  • Field expandable to four modules using Qualstar’s Fastpass™ tape mover technology
  • Built-in library-based encryption
  • ADI library interface
  • Dedicated 4-slot I/O port doesn’t reduce capacity in base module
  • N+1 power option
  • Fibre Channel and SAS drive interface support
  • Logical Library partitioning
  • All access through front and back of unit

Comprehensive User Interface:

  • Q-Link browser-based remote library manager
  • Color LCD touch control panel and menu system for easy installation, configuration, operation and maintenance

Efficient Media Control:

  • Barcode scanner
  • Up to eight 4-slot I/O ports for media insertion and removal in maximum configuration
  • Key-lockable tape bays


  • Three-year warranty
  • Simple, easy-to-use encryption
  • Expandable in the field up to 474 slots and 22 tape drives
  • Rack mount kit

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