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JB 2048

JB 2048 (Legacy product)

Compatible with EonStor DS storage systems, the enterprise-class JB 2048 connects via reliable 6Gb/s SAS and has room for 48 NL-SAS drives within its 4U rack mount form factor. Up to six enclosures can be linked through scale-out support, for a maximum 336 drives. Installation is simple and quick, and the high density storage offered by this sleek JBOD is further guarded by dual redundant 80 PLUS energy-saving power supplies.

This model is discontinued; the recommended offering is JBOD expansion enclosure.

Host Ports

6Gb/s SAS x 4

Drive Connectivity

  • 6Gb/s SAS connectivity
  • S.M.A.R.T. support
  • Automatic bad-sector reassignment
  • Dedicated bandwidth to each connected drive

Supported Drives

Please refer to corresponding RAID systems.

Max. Drive Number


Rack Support

4U, 19-inch rackmount

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

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: 530W x 3
  • AC voltage: 100VAC @10A to 240VAC @5A with PFC (auto-switching)
  • Frequency: 47-63 Hz


  • Temperature:
    • Operating: 5°C to 35°C
    • Non-operating: -40°C to 60°C
  • Altitude:
    • Operating: sea level to 3,048m (10,000ft)
    • Non-operating: sea level to 12,192m (40,000ft)
  • Relative humidity:
    • Operating: 5% to 90%
    • Non-operating: uncontrolled to 95%

Dimensions (W x H x D)

446 x 176 x 874 mm (without chassis ears and protrusions)

Weight (without HDDs)

150.80 lbs (68.4 kg)

Package Dimensions (W x H x D)

With paper pallet: 630 x 426 x 1,150 mm
With HDD packages: 630 x 670 x 1,150 mm

The “Purchase Reference” feature enables customers to request a quote from Infortrend sales representatives. Please note that actual product orders and purchases are not processed via Infortrend's website. If you wish to order and purchase Infortrend products, please contact our sales representatives directly.

Please note the following:

  1. The list below is based on standard worldwide shipment, models may vary by region. Infortrend sales representatives can provide more information about shipment variations in your region.
  2. “Default Included” means that a component is standard included in system orders. Customers may order additional units to serve as spare components.
JB2048G004U/48bay Single controller JBOD including 2x 6Gb SAS ports, 3x(PSU+FAN module), 48xHDD trays and 1xRackmount kit
JB2048R004U/48bay Dual redundant controller JBOD including 4x 6Gb SAS ports, 3x(PSU+FAN module), 48xHDD trays and 1xRackmount kit
Service & Warranty
WTE2S48J-00102-year extended warranty license for ESDS S48J and JB 2048 models
Cable/SFP Module
9270CmSASCab7-0030SAS external cable, Pull type, SFF-8088 to SFF-8088, 50 Centimeters
9270CmSASCab8-0030Default IncludedSAS external cable, Pull type, SFF-8088 to SFF-8088, 120 Centimeters
9270CmSASCab9-0030SAS external cable, Pull type, SFF-8088 to SFF-8088, 260 Centimeters
Controller Module
84SS20J48-0010JBOD controller module w/2 x SAS ports for JB 2048
Other Accessories
9474CSlider36-0011Default IncludedSlide rail assembly, for ESDS 4U/48-bay subsystems, 30"~37" rack depth
9474FAN-0010Default IncludedDisk drive drawer cooling fan module, for ESDS 4U/48-bay subsystems
9474LOCKERV-0010Default Included3.5" Hard disk drive brackets for ESDS G7i 4U-48bay, ESDS 3048 and ESDS 3060 subsystems
9474PSU-0010Default IncludedPower supply unit for ESDS 4U/48-bay subsystems, 530W capacity
9475LOCKER-00102.5” Hard disk drive brackets for ESDS 3048/3060 and JB 2048/2060/3060 subsystems