J4078-01
Features & Benefits
J4078-01, 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
General |
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 |
Cooling: • 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 |
Mounting: • 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 |
H5532T100002A01 | 31” fixed rail |
H54-00010-34 | cable arm |
M06-00628-15 | 2.5 HDD kit (3.5 tray w/ 2.5 BKT) |
H18-00628B01 | 2.5 BKT only |
BDB-PWR0010A | POWER DISTRIBUTION BOARD |
BDB-MCU0001A | MCU MODULE |
BDB-EXP0016A | EXPANDER BOARD(HUB) |
BBP-HD40013B | 30BAY BP W/ SINGLE EXPANDER CHIP |
BBP-HD40014B | 24BAY BP W/ SINGLE EXPANDER CHIP |
BBP-HD40013A | 30BAY BP W/ DUAL EXPANDER CHIP |
BBP-HD40014A | 24BAY BP W/ DUAL EXPANDER CHIP |
PM-000000010 | CRPS POWER MODULE/ 1600W |
M03-00395-05 | 6056 FAN MODULE |
G8-000000018 | 8644-8644 cable - 1M |
G8-000000019 | 8644-8644 cable - 2M |
G8-000000037 | 8644-8644 cable - 3M |