DXi4800 Series

The Most Efficient Backup Appliance for Remote Offices and Small Enterprises

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Bored looking guy waiting for his network to backup and restore.

First-Generation Disk Backup Can’t Keep Up with Your Protection Needs?

When deduplication technology first made disk backup appliances a practical solution for protecting critical data, IT departments moved quickly to adopt the new technology. Many, however, eventually came to discover troubling limitations with many of the first-generation systems.  

Backups and restores were often slower than promised, and extending protection across multiple sites was difficult, as was providing the kind of isolation needed to protect against malware. Systems didn’t always work well with all backup apps, especially the emerging ones aimed at protecting VMs. As data volumes grew, companies discovered that scaling disk backup was often difficult and costly, and their disk backup systems began to take up more and more valuable rack space in the data center.  

Quantum offers a better alternative.

DXi4800 Solves Data Protection for Wide Range of Data Environments

DXi®4800 was designed to make certain that disk backup solves your data protection problems securely and affordably. It scales from 8 to 315 TB of usable storage using capacity-on-demand to keep costs low, even in the face of unpredictable data growth. The lightning-fast SSDs provide the industry’s speediest backup and restore, and it combines variable-length deduplication with high-capacity HDDs to use less space—along with power and cooling—than any other disk backup appliance.

DXi4800 provides DR protection across sites using remote replication that leverages global deduplication to minimize bandwidth requirements, and it supports enhanced data security by encrypting data both at rest and during transmission. Finally, it provides the highest levels of proven integration with all leading backup software applications, including ones for VMs, so your data can be protected now and long into the future.

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DXi4800 Diagram and Use Case

DXi4800 starts at 8 TB of usable capacity and grows to 315 TB via capacity-on-demand licensing. DXi4800 uses fast SSD storage to speed every aspect of system operations and is the first backup appliance in its class to use 8-TB HDDs for user data, to reduce rack space, power, and cooling.


Improve Backup and Restore Times

Powered by the world’s most powerful file system—StorNext®—DXi software enables faster deduplication and access to your data.


Protect Data Across Sites

WAN efficient replication makes it faster and less expensive to move data between sites for offsite backups.


Scale on Your Terms

Broadest scalability from 8 TB to over 315 TB with Quantum’s own Capacity-on-Demand (CoD) methodology.


Minimize Storage Utilization

Quantum's variable-length deduplication maximizes data reduction, providing lowest OPEX and maximizing efficiencies locally and across WANs.


Increase IT Staff Productivity

Comprehensive and intuitive management tools enable precise business decisions and speed resolution time.


Provide an Extra Layer of Security

Protect against data breaches across the enterprise using industry-standard AES 256-bit encryption with Self-Encrypting Drives. This is also applied to data-in-flight.

Customer Success

Technical Specifications

NAS Backup Target

Presentations: CIFS and/or NFS

Shares: 128 max

Connections/Users: 100 max

OpenStorage (OST) API

Presentations: Veritas Storage Servers and Logical Storage Units

Shares: 100 max

VTL Fibre Channel

Partitions (max): 64

Drives (max): 150

Cartridges per Partition (max): 61,000

Emulations (libraries): Scalar i40/i80, Scalar i500, Scalar i2000, Scalar i6000

Emulations (drives): DLT7000, SDLT 320, SDLT 600, DLT-S4, LTO-1, LTO-2, LTO-3, LTO-4, LTO-5

VTL: Up to 12 TB/hour
NFS: Up to 16.5 TB/hour
CIFS: Up to 14 TB/hour
OST: Up to 17 TB/hour
With DXi Accent: up to 34 TB/hour

RAID 6, redundant power, redundant cooling, hot-spare drives, hot-swap drives, power supplies and fans.

Two 1 GbE and two 10 GbE ports onboard. Option of up to sixteen 10 GbE ports (Optical, Twinax, 10GBASE-T) or eight 16 Gb FC ports (multi-protocol only).

The base price of the DXi4800 includes licenses for NAS, OST, deduplication, replication and DXi Accent™ software for distributed deduplication.


Usable capacity: 8 TB to 315 TB
Scaling increment: 3 TB, 8 TB, or 18 TB
Logical Capacity: 160 TB to 9,450 TB*
Hard Disk Drives: 4 and 8 TB NL-SAS 7200 RPM

*Assumes a deduplication ratio of 20:1. Actual deduplication ratios will vary depending upon data types, retention, and compressibility of your data.


System Node: 2U, [17.5 in (W) x 3.4 in (H) x 28.6 in (D)] - [44.5 cm (W) x 8.6 cm (H) x 72.6 cm (D)]

Expansion Module: 2U, [17.8 in (W) x 3.4 in (H) x 21.8 in (D)] - [45.1 cm (W) x 8.8 cm (H) x 55.2 cm (D)]


System Node: 72.9 lbs (33.1 kg)

Standard Expansion Module: 59.0 lbs (26.8 kg)

Power Input: NEMA 5-15P to C13 power cord

Input Voltage: 100 to 240 VAC, 50-60 Hz

Rated Current:
System Node:
4.74 A @ 100 VAC, 1.98 A @ 240 VAC
Expansion Module: 2.83 A @ 100 VAC, 1.01 A @ 240 VAC

Max Current:
System Node: 4.24 A @ 100 VAC, 3.13 A @ 240 VAC
Expansion Module: 2.60 A @ 100 VAC, 1.57 A @ 240 VAC

Max Power:
System Node: 452 W, 1,541 BTU/hr
Expansion Module: 292 W, 996 BTU/hr

Operating: 50 °F to 95 °F (10 °C to 35 °C)
Shipping & Storage: -40 °F to 149 °F (-40 °C to 65 °C)

Relative Humidity:
Operating: 10 to 80% non-condensing
Shipping & Storage: 5 to 95% non-condensing

Operating: -50 to 10,000 ft (-15.2 to 3,048 m)
Shipping & Storage: -50 to 39,370 ft (-15.2 to 12,000 m)

Support for OST is a standard feature for all DXi4800 Series units, allowing users to write data to OST logical storage units (LSUs) and enabling application-aware replication in NetBackup and Backup Exec environments. Support includes Optimized Duplication, Auto Image Replication (AIR), Accelerator, and Granular Restore Technology (GRT). OST Optimized Synthetic Full Backups is supported to reduce network I/O and shorten time to perform full restore from incremental backups.

The DXi Dynamic Application Environment (DAE) enables the installation of a KVM hypervisor to support virtual machines running many different operating systems on DXi appliances. DXi supports Veritas NetBackup and Nakivo Backup & Replication running in DAE for customers who wish to save money and data center space by eliminating the need to deploy a separate server to run their backup application. Customers may run NAS and OST backups directly from their DXi appliance running NetBackup within the DAE.

The integration of DXi and Veeam enables the Veeam Data Mover Service (VDMS) to be used to move data between the Veeam proxy server and the DXi appliance. The VDMS communicates with the Veeam proxy server to efficiently manage the data flow between Veeam and DXi, greatly reducing the time it takes to create synthetic full backups and run VM instant recovery. DXi appliances are a Veeam Ready Integrated storage solution. This program offers Veeam Alliance Partner Program members the opportunity to create solution offerings that complement or enhance Veeam features or functions. Through more extensive product integration, joint development and testing, these enhanced solutions help customers achieve optimal performance or create unique abilities together with Veeam Backup & Replication™ APIs or technologies. The DXi when defined as a repository for Veeam supports the use of the Veeam Data Mover Service (VDMS), which optimizes performance between the DXi and the Veeam proxy server

DXi Accent software, a standard feature on all DXi4800 Series models, allows the backup server to collaborate in the deduplication process, off-loading part of the data reduction activity so that only unique blocks are sent over the network to the DXi appliance. This distributed approach provides faster backups over bandwidth-constrained LANs or WANs. DXi Accent can be enabled or disabled on a per-media server basis. Initial support for DXi Accent is provided through the NetBackup OpenStorage (OST) API.

Data-at-rest encryption uses self-encrypting drive (SED) technology to secure all data stored on the DXi4800 and helps render breached data useless to anyone who is not authorized to access it. This includes file data and metadata, configuration files, and the DXi software and operating system. When data-at-rest encryption is enabled, all hard drives in the DXi are paired with the disk controllers using encryption keys. After this, accessing data on the drives requires the same encryption keys and controllers that were used to write the data. This ensures that a drive that is physically removed from the DXi cannot be read using another system or device.

DXi Advanced Reporting, which is included on all DXi appliances, sets new standards for onboard intelligence by giving users a detailed view of internal appliance operations, providing them with years of backup and replication data for extended trend analysis. DXi Advanced Reporting reduces administration time, improves operations, streamlines performance tuning, and helps users maximize the value of their DXi appliances.

Replication compatible with all DXi-Series products, schedules and bandwidth use set in DXi4800 scheduler. Replication is asynchronous, one-to-one or multiple-to-one configurations; partitions in same unit act as replication source or target; units with partitions acting as replication targets can also support local backup; data is deduplicated and encrypted (AES 256-bit) prior to transmission; cartridge-by-cartridge and file-by-file replication provides automated access to data at the target; CLI support scripting/scheduling. Provides application-aware replication with NetBackup and Backup Exec OST interface.

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