EonStor GS

EonStor GS 4000 Gen2

High availability enterprise NAS/SAN/Cloud gateway storage

The EonStor GS 4000 series is a high availability solution integrating SAN, NAS and object storage as well as Cloud Gateway features to offer a powerful hybrid cloud environment. Compared to previous Gen, Gen2 boosts performance up to 80% (10,000/5,500 MB/s Read/Write speed) and features double memory capacity, fulfilling the demanding requirements of today’s enterprise data center environments, such as HPC and cloud computing. Designed with the latest Intel’s CPU, it offers unprecedented advantages in flexibility and performance. The EonStor GS 4000 dramatically simplifies the deployment and management of storage systems while providing future-proof features to meet evolving demands of customers.

Detailed Specifications

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Memory (per controller)
GS 4000 Gen1
Detailed Specifications


  • GS 4016 Gen1
  • GS 4024B Gen1

Form Factor

  • 3U 16-bay
  • 2U 24-bay


Dual redundant controllers

Host Ports

  • Onboard host ports
    • 16 x 8Gb/s Fibre Channel ports, 8 x 16Gb/s Fibre Channel ports, 16 x 10Gb/s FCoE ports or 16 x 10Gb/s iSCSI ports
      (converged host boards - interchangable host ports)
  • More host options:
    • 16 x 8Gb/s Fibre Channel ports (8 per controller)
    • 8 x 16Gb/s Fibre Channel ports (4 per controller)
    • 16 x 16Gb/s Fibre Channel ports (8 per controller, No Remote Replication support)
    • 16 x 10Gb/s FCoE ports (8 per controller)
    • 16 x 1Gb/s iSCSI ports (8 per controller)
    • 8 or 16 x 10Gb/s iSCSI ports (SFP+) (4 or 8 per controller)
    • 8 x 10Gb/s iSCSI ports (RJ-45) (4 per controller)
    • 8 x 25Gb/s iSCSI ports (SFP28) (4 per controller)
    • 8 x 40Gb/s iSCSI ports (QSFP+) (4 per controller)
    • 8 x 56Gb/s InfiniBand ports (4 per controller) - for Linux only, block level only
    • 8 x 12Gb/s SAS ports (4 per controller)
Fibre channel supports point-to-point and switch mode.

Cache Memory

Default DDR4 16GB, up to 32GB, 64GB, 128GB or 256GB

Cache Backup Techniques

Super Capacitor + Flash module

Maximum Number of Drives

Via expansion enclosure: 448 and 896 (with expansion board)

Drive Connectivity

  • 12Gb/s SAS

Drive Advanced Features

S.M.A.R.T. support/ Automatic bad-sector reassignment/ Dedicated bandwidth to each connected drive

Supported Drives

  • 2.5" SAS SSDs
  • 2.5" SATA SSDs
  • 2.5" 10,000 RPM SAS drives
  • 2.5" 15,000 RPM SAS drives
  • 3.5" 7,200 RPM Nearline SAS drives
  • 3.5" 7,200 RPM SATA drives
  1. MUX board required when using SATA drives for dual controllers
  2. For the latest compatibility details, please refer to Compatibility Matrix

Protocol Support

  • File Level Protocol
  • AFP
  • NFS
  • FTP
  • FXP
  • WebDAV
  • Block Level Protocol
  • FC
  • FCoE
  • iSCSI
  • InfiniBand
  • SAS
  • Object Protocol
  • RESTful API

EonCloud Gateway

Support the integration with following cloud providers :

  • Amazon S3
  • Microsoft Azure
  • Alibaba Cloud
  • Google Cloud
  • Baidu Cloud
  • Tencent Cloud
  • OpenStack

Corresponding Expansion Enclosure

JB 3012A, JB 3016A, JB 3024BA, JB 3025BA, JB 3060, JB 3060L

RAID Functionality

  • Global, dedicated or enclosure hot-spare
  • RAID levels supported : RAID 0, 1, (1+0), 3, 5, 6, 10, 30, 50, 60
  • Online expansion by:
    • Adding new drives
    • Copying and replacing drives with drives of larger capacity
  • RAID migration
  • Configurable stripe size and write policy per system
  • Intelligent drive handling
    •  In degraded mode: skips irreparable blocks to continue rebuild
    •  In normal operation: data-block verification and repair

Data Protection and Data Service

Default software features include:

  • SED (Self-encrypting drives)
  • Thin-provisioning
  • Snapshot: 64 per volume/ 128 per system
  • Block-level local replication: Replication pairs per source volume: 4; Replication pairs per system: 16
  • File-level remote replication (Rsync)

Optional software features require additional license:

  • SSD cache
  • Automated tiering (2/ 4 tiers)
  • Advanced snapshot: 256 per volume/ 4096 per system
  • Advanced block-level local replication: Replication pairs per source volume: 8 ; Relication pairs per system: 256
  • Advanced block-level remote replication: Replication pairs per source volume: 8 ; Relication pairs per system: 64

Green Design

  • 80 PLUS-certified power supplies delivering more than 80% energy efficiency
  • Intelligent multi-level drive spin-down

Availability and Reliability

Redundant, hot-swappable hardware modules, CacheSafe technology, Multi-pathing support (EonPath), Device mapper support, SMB Multichannel


Various event notification methods including email and SNMP trap. 


  • Web-based EonOne management software
  • Automated cache flush and caching mode operation per enclosure status
  • Module status LED indicators: component presence detection & thermal sensors via I2C bus
  • Storage Resource Management to analyze history records of resource usage
  • Automate repeatable management tasks by flexible workflow

Network Configuration

  • IPv6 support
  • Fixed or dynamic IP address
  • Dual Gigabit Ethernet with Jumbo Frame
  • Port trunking/ NIC teaming/ Link aggregation (IEEE 802.3ad)
  • DHCP client
  • MPIO, MC/S support

Access Right Management

  • User account management
  • Group management
  • Folder management
    - Folder and subfolder access control
  • Folder quota
  • Comprehensive access control action items
    - All Controls, Read, Read and Run, Write, Modify, List
  • Support Windows Active Directory Authentication
    - Domain Users Login via CIFS/ SMB, AFP, FTP, and file explorer
  • LDAP on Linux

OS Support

Windows Server 2008 / 2008 R2 / 2012 / 2012 R2 / 2016 (including Hyper-V), Windows 7 SP1 / Windows 8.1, RedHat Enterprise Linux, CentOS, SUSE Linux Enterprise, Sun Solaris, Mac OS X, VMware, Citrix XenServer

  1. NFS protocol running on VMWare environment is currently not supported
  2. For the latest OS support details, please refer to Compatibility Matrix

Service and Support

Standard service

  • 3-year limited hardware/software warranty and 8x5 phone, web, and email support

​Upgrade/Extension service (optional and service may vary by region)

  • replacement part dispatch on the next business day (up to 5 years)


  • Power supplies: Two 530W
  • AC voltage: 100VAC @ 10A to 240VAC @ 5A with PFC (auto-switching)
  • Frequency: 47-63 Hz


  • Temperature:
    • Operating: 5 to 35°C
    • Non-operating: -40 to 60°
  • Altitude: Sea level to 3048m(10000ft) operating / sea level to 12,192m (40,000ft) non-operating
  • Relative humidity: 5 to 95% non-condensing, operating and non-operating


  • Safety: UL, BSMI, CB, EAC
  • Electromagnetic Compatibility: CE, BSMI, FCC, KC


  • GS 4024B : 447mm (W) x 88mm (H) x 500mm (D)
  • GS 4016 : 447mm (W) x 130mm (H) x 500mm (D)

(Without chassis ears / protrusions)

Weight (Without HDDs)

  • GS 4024B
    14.64kg/ 32.28lbs
  • GS 4016
    17.44kg/ 38.45lbs

Package Dimensions

  • GS 4024B : 780mm (W) x 338mm (H) x 588mm (D)
  • GS 4016 : 780mm (W) x 423mm (H) x 588mm (D)

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