3U Config-Optimized Rackmount Chassis


  • Front Access USB2.0 x2
  • Optional Aluminum Chassis
  • 7 Slots Backplane
  • Power and Alarm Reset Switch
  • Power and HDD LED
  • 80mm x3, 60mm x1 Cooling Fan

The redesigned D3-300L incorporate high flexibility and high availability in a 3U form factor. It features six 5.25 and three 3.5 bays for custom configuration of virtually any application. Whether it's web server, high performance super computing or database server, D3-300L can accommodate the thermal requirement and drive storage needs. The 7 PCI slots support PCI, PCI 64bits, AGP, and PCI-Express add-on cards which enable expansion and upgrades for specialized functions and tasks. D3-300L is spacious and yet packed in with many possibilities.

Model NumberD3-300L
RoHS Compliance VersionYes
Standard Drive Bays
  • 3.5" Drive:
  • 3
  • 5.25" Drive:
  • 6
IndicatorsLEDs for Power ON/OFF, HDD, Fan & Alarm
SwitchesPower ON/OFF, System & Alarm Reset
SpeakerOptional 0.4W
Material of HandleSECC Zinc-Coated Steel
Material of Main Chassis1.2mm SECC Zinc-Coated Steel ( Japan Made )
Color of Main ChassisBlack
Front ConnectorFront USB 2.0 x 2 Connector
Dimension (W x H x D)19 x 5.25 x 27.1 inches
481.8 x 132 x 688.5 mm
Motherboard Size12 x 13 (E-ATX, ATX, micro-ATX)
Cooling Fan [optional]3x80mm 2x60mm
Download Type File Size (KB) Last Updated
Datasheet181801072011
Drawing12305142007
User Manual178907292009
Last Updated FAQ
8/10/2009What bracket will be needed to install 1U power supply into 3U chassis? + Show Answer
CP-01025250W 1U Switching Power SupplyBRT-0103-0
CP-01030300W 1U Switching Power SupplyBRT-0103-0
CP-01035350W 1U Switching Power SupplyBRT-0103-0
CP-02035350W 2U Switching Power SupplyBRT-0003-FR
BRT-0003-RR
CP-01040400W 1U Switching Power SupplyBRT-0103-0
CP-02040400W 2U Switching Power SupplyBRT-0003-FR
BRT-0003-RR
CP-02046460W 2U Switching Power SupplyBRT-0003-FR
BRT-0003-RR
IS-460R2UP460W 2U Redundant Power SupplyBRT-0203-R2
DD-STANDOFF-12MM
TC-2U/55P550W 2U Switching Power SupplyBRT-0003-FR
BRT-0003-RR
IS-600S2UP600W 2U Redundant Power SupplyBRT-0203-S2
DD-STANDOFF-12MM
IS-700R3KP700W 3U Redundant Power Supply-
IS-700S2UP700W 2U Redundant Power SupplyBRT-0203-S2
DD-STANDOFF-12MM
IS-800R3KP800W 3U Redundant Power Supply-
Cage & HDD Brackets
RP-HDD25BC2.5" HDD SSD Mounting Bracket for 3.5" Bay
RHF-033.5" to 5.25" Hard Drive Mounting Bracket
RP-4HDD25F2.5” Hard Drives Slot Bracket
RP-COMBO-SLIM5.25" Optical Drive and Floppy Drive Cage Holder
RP-Combo-Slim25352.5"/ 3.5" HDD & Slim Optical Drive to 5.25" Drive Bay Cage
RP-FDD353.5" to 5.25" Floppy Drive Mounting Bracket
RP-HDD2535F5.25" Drive Bay Cooling System for Hard Drive
RP-HDD25P2.5" HDD SSD Mounting Bracket for 3.5" Bay
RP-HDD3.53.5" to 5.25" Hard Drive Mounting Bracket
TC-iStorm72x5.25" to 3x3.5" Internal Mounting Cooling Kit with Removable Filter
RP-HDD2.52.5" to 3.5" Hard Drive Mounting Bracket
TC-iStorm81x5.25" Hard Drive Cooling Heat Sink
Computer Tools
RP-HUB-SAUF3.5" Combo Hub for USB2.0/ Firewire/ e-SATA
RP-Reader35All-in-one USB 2.0 Card Reader
Fans & Parts
DD-Fan6060mm Ball Bearing Fan
DD-Fan8080mm Ball Bearing Fan
Rails & Supporters
TC-Rail-2424" Sliding Rail Kit for Most Rackmount Chassis
TC-Rail-2626" Sliding Rail Kit for Most Rackmount Chassis
Hot-swap HDD Cage - SATA/SAS
T-7-SA1x5.25" Bay Military Series SAS/SATA 6.0Gb/s Mobile Rack
T5F-SS1x5.25" Bay Trayless Anti-vibration SAS/SATA Mobile Rack
T-7M1-SATA1x5.25" Bay Audio SATA/SAS 6.0 Gb/s Mobile Rack
BPU-124V2-SS1 x 5.25" to 4 x 2.5" SATA/SAS 6.0 Gb/s Hot-Swap Cage
BPU-350SATA3x5.25" to 5x3.5" SAS/SATA 6.0 Gb/s Hot-Swap Cage
BPU-340SATA3x5.25" to 4x3.5" SAS/SATA 6.0 Gb/s Hot-Swap Cage
BPU-230SATA2x5.25" to 3x3.5" SAS/SATA 6.0 Gb/s Hot-Swap Cage
Hot-swap HDD Cage - SATA
T-25HD-SI2.5" SATA I/II Hard Drive Slot Carrier
T5-SA1x5.25" Bay Trayless Anti-vibration SATA Mobile Rack
BPU-2535V21 x 3.5" to 2 x 2.5" SATA I/II Hot-Swap Drive Cage
BPU-2535-SI1 x 3.5" to 1 x 2.5" SATA I/II Hot-Swap Drive Cage
BPU-126-SA1 x 5.25" to 6 x 2.5" SATA 6.0 Gb/s Hot-Swap Cage
T5PF-SA1 x 5.25" Bay Trayless Anti-vibration SATA Mobile Rack