XN5126 Features Specs Compare
Features Specs



Leading Density with Uncompromised Performance​​​


Intel® Xeon® 4-core Processor​​


16 GB DDR4 ECC DIMM (up to 512 GB)​

Performance Density​

World's 1st 2U-26 Bay Design​​

Active-Active Architecture​

Dual-Active Design​​

Leading Density with Uncompromised Performance

The XCubeNXT 5126 (2.5” 2U 26-bay) is the industry’s leading high density hybrid flash storage. The newest generation of XCubeNXT is a highly available, secure, and scalable storage with multiple protocol and cross QSAN platform support. It is designed to be ideal for applications in mission-critical data centers, high-performance computing, virtualization, or media environments.​ Plus, backed by a 5-year limited warranty for proven enterprise-grade reliability.

Enterprise Data Management System QSM Logo

QSM Data Management System​

QSM data management system provides high scalability, easy management, and data integrity to build a perfect unified storage system. Deploy your storage within 5 minutes via quick installation. Plan ahead with cloud backup and secure your data with multi-level security.​​​

Why QSAN XCubeNXT Arrays?

Modern Simplicity

Simplify storage management with the intuitive and powerful QSM storage manager interface.

Dependable Data Experience

99.999% high availability design with no single point of failure, cache-to-flash to protect cache data in power outage.

Flexible Expansion

Dual controller with built-in 4-port 10 GbE and maximum 26 host ports allows direct connection to multiple hosts without switches.

Enclosure Status LED Enclosure Access LED Enclosure Power Button / LED Disk Drive Status LED Disk Drive Power LED USB Port UID (Unique Identifier) Button / LED Power Supply Unit Master / Slave LED (only for dual controllers) Controller Status LED Dirty Cache LED UID (Unique Identifier) LED 12 Gb/s SAS Wide Port 10 GbE LAN Port 1 GbE LAN Port Host Card Slot 1 (host card is an optional part) Service Port Console Port USB Port Host Card Slot 2 (host card is an optional part) Reset to Factory Default Button Buzzer Mute Button

System Specifications

Architecture XN5126D: Dual-active controller
XN5126S: Single-upgradeable controller
Storage OS QSM Specification Details
Processor Intel® Xeon® 64-bit 4-core
Memory Module Pre-installed 8 GB DDR4 ECC DIMM (per controller)
Total Memory Slots 4 (per controller)
Memory Expandable up to 256 GB (per controller)
Drive Bays

2.5" Slot x 26

Maximum Drive Bays with Expansion Unit 546
Compatible Drive Type

3.5" & 2.5" SAS, NL-SAS, SED HDD

3.5" & 2.5" SATA(*) HDD

2.5" SAS, SATA(*), SED SSD

Drive Interface

SAS 12 Gb/s, SATA 6 Gb/s(*)

Maximum Internal Raw Capacity 798 TB (calculate 30.72 TB SSD)
Maximum Raw Capacity with Expansion Units 16,773 TB (calculate 30.72 TB SSD)
Hot Swappable Drive

(*) SATA drives only work with single controller systems

Connectivity Port
PCIe Expansion (Gen 3x8 Slot) x 2
{0} GbE RJ45 LAN Port 1 (onboard per controller)
{0} GbE SFP+ LAN Port 4 (onboard per controller) / 4 (option)
{0} GbE RJ45 LAN Port 2 (option) / 4 (option)
{0} GbE SFP28 LAN Port 2 (option) / 4 (option)
{0} Gb SFP+ Fibre Channel* 2 (option) / 4 (option)
{0} Gb SFP28 Fibre Channel* 2 (option)
Expansion and External Port
12 Gb/s SAS Wide Port 2 (onboard per controller)
USB Port 1 (front) / 2 (rear)
Others Console Port x 1, Service Port (UPS) x 1
Software Specification
Storage OS QSM 4
RAID Type 0 / 1 / 3 / 5 / 6 / 10 / 30 / 50 / 60 / 5EE / 6EE / 50EE / 60EE
Storage Efficiency Thin Provisioning / Deduplication (option) / Compression (option)
Software Acceleration SSD Cache / Auto Tiering
Data Protection Snapshot / Asynchronous / Synchronous (option)
Backup Services Rsync / S3 backup / Cloud sync* / XMirror*
Security SSL / SED / WORM* / RBAC / Windows ACL
Support Protocols CIFS / NFS / FTP* / AFP* / iSCSI / FCP*
Management Web UI / Window AD / LDAP / RESTful API* / S.E.S. / LCM
Notes * The feature will be available in Q1, 2024.
Dimension (H x W x D) (mm) 88 x 438 x 491
Net Weight (kg) 16.3
Gross Weight (kg) 18.6
Memory Protection Cache-to-Flash (Supercapacitor Module + Flash Module) (option)
System Fan 4 pcs
Power Supply Unit 850 W x 2 (80 PLUS Platinum)
Power Consumption 429 W
Environment Temperature
Operating Temperature 0°C to 40°C
Storage Temperature -10°C to 50°C
Operating Relative Humidity 20% to 80% non-condensing
Non-operating Relative Humidity 10% to 90%
Certifications CE / FCC / BSMI
Standard Warranty System: 5 years
Supercapacitor Module: 1 year