Features & Benefits

J4078-01-35X, a 4U 78-Bay 12Gb/s SAS JBOD, ideal for high-availability storage and high performance appliance. This 4U 12Gb/s SAS JBOD enclosure with single or dual expanders supports 78 x 3.5” drives.


Key Features

• Intelligent Enclosure Management
• Individual drive power management
• Hot swap design for easy maintenance and management
• Enclosure Cable Management Kit
• Tool-less drive trays
• Design for 1000mm depth rackmount server cabinet

Number of Expander: Dual/Single
Expander Chip: Broadcom SAS35x48
Host/Expansion Interface: 4 x Mini SAS HD (SFF-8644) per expander module
Drives Supported
Drive Interface :
12Gb & 6Gb SAS if using dual expanders
12Gb & 6Gb SAS/SATA if using single expander
Form Factor: SFF 3.5”
Administration / Management
Admin/Firmware Upgrade:
In-band & IEM port
LED Indicators, Audible Alarm: Yes
Hot swap & Redundancy
Disk Drive: 78 Drive Bays
• 8 x 60x56mm hot swap fans
• 1 x 40x56mm fan per expander module
Power Supply:  1600W 1+1 hot swap redundant 80+ Platinum
Power Entry: Dual AC Inlet
Expander Modules: Dual expanders (Optional)
Electrical & Environment
AC Input: 
• 200~240V,50/60Hz,12A (except China/Taiwan)
• 200-240V,50/60Hz,10A (for China/Taiwan)
Operating Environment:
• Temperature 0ºC to 35ºC
• Relative humidity 20% to 80%
Non-operating Environment:
• Temperature -20ºC to 60ºC
• Relative humidity 10% to 90%
Physical Specification
Dimensions (W x D x H):
• mm:
  434 x 810.5 x 176
  434 x 974.7 x 176 (with CMA)
• inches:
  17 x 31.9 x 7
  17 x 38.4 x 7 (with CMA)
Gross Weight (w/ PSU, Rail, and Pallet; w/o Disks):
• kgs: 57.67
• lbs: 127.1
Packaging Dimension (W x D x H):
• mm: 675 x 1120 x 536
• inches: 26.6 x 44.1 x 21.1
• Standard: 31” fixed rail
• Option: Cable Management Kit

* All specifications are subject to change without notice.

Ordering Information Description
XJ1-40781-01 4U 78 x 3.5" hot-swap bays, hot-swap JBOD with single SAS 12G expander controller, single BMC, Tool-less HDD tray, 1600W 1+1 hot-swap redundant 80+ Platinum, Toolless Rail Kit
XJ1-40781-02 4U 78 x 3.5" hot-swap bays, hot-swap JBOD with Dual SAS 12G expander controller, dual BMC, Tool-less HDD tray, 1600W 1+1 hot-swap redundant 80+ Platinum, Toolless Rail Kit
FRU Parts Description
M06-00395-03 3.5" tray assy
H5532T100002A01 Tool-less rail kit
H54-00010-34 cable arm
M06-00628-15 2.5" HDD kit (3.5" tray w/ 2.5" bracket)
H18-00628B01 2.5 BKT only
BDB-PWR0010A Power distribution board
BDB-MCU0001A MCU module
BDB-EXP0016A Expander board (HUB)
BBP-HD40013B 30-bay backplane w/ singe expander chip
BBP-HD40014B 24-bay backplane w/ singe expander chip
BBP-HD40013A 30-bay backplane w/ dual expander chip
BBP-HD40014A 24-bay backplane w/ dual expander chip
PM-E00000010 1600W CRPS power module
M03-00395-05 6056 fan module
G8-000000018 8644-8644 cable - 1M
G8-000000019 8644-8644 cable - 2M
G8-000000037 8644-8644 cable - 3M
J4078-01-35X_DatasheetSize : 902 KB Download
J4078-01-35X_FrontSize : 290 KB Download
J4078-01-35X_Front45 Size : 180 KB Download
J4078-01-35X_RearSize : 316 KB Download
J4078-01-35X_BMC_4U78JBC018050_AR8Size : 15 MB Download
J4078-01-35X_Expander_fw3A48_v1_12_48_65Size : 308 KB Download
J4078-01-35X_User's ManualSize : 22 MB Download
Lab Report_J4078-01-35X Tested with Toshiba MG06ACA16TESize : 845 KB Download