Industrial Rackmount Chassis / D-300L-FS
3U High Performance Rackmount Chassis with Front-mounted ATX Power Supply
A deep 3U EATX storage platform with six 3.5" bays, seven slots, and a front-mounted standard ATX PSU for serviceable high-power builds.
Product Overview
What the D-300L-FS is built for.
The D-300L-FS incorporate performance and capacity in a 3U form factor. It features two 5.25 and six 3.5 bays for high density storage application. Whether its web server, database server, D-300L-FS can accommodate the thermal requirements of dual processor and Raid drive storage needs. The 7 PCI slots support PCI, PCI 64bits, AGP, and PCI-Express add-on cards which enable future upgrades for customized functions and application needs. D-300L-FS is a cost effective chassis for data and storage server.
Key Features
Engineered for reliability and integration.
- Three-way aluminum front panel with key locks for secured, service-friendly front access
- Front-access 2 × USB 2.0 for on-site service and commissioning
- 80mm x4 ball-bearing cooling fans for sustained airflow under load
- Front-mounted standard ATX power supply — full wattage without extra rack depth, serviceable from the front
- Removable, washable air filter for dusty industrial environments
- Power / HDD LED indicators (with optional TC-ISF08 sensor board for fan and temperature status)
- Power and alarm-reset switches for field diagnostics
Specifications
Technical specifications.
| Model Number | D-300L-FS |
|---|---|
| Product Category | Industrial Rackmount Chassis |
| Form Factor | 3U |
| Motherboard Support | 12 x 13 (EATX, ATX, microATX) |
| Drive Bays | 3.5" Drives: 1 · 3.5" Drive (internal): 5 · 5.25" Drives: 2 |
| Expansion Slots | 7 |
| Cooling | 1x60mm, 4x80mm, removable & washable air filter |
| PSU Support | PS2 |
| Front Connector | 2x USB 2.0 |
| Security | Front Bezel Key Lock |
| Material | 1.2mm SECC Zinc-Coated Steel (Japan Made), aluminum alloy front bezel |
| Dimensions | 19.00" x 5.25" x 27.90" · 482.6 mm x 133.4 mm x 708.7 mm |
| Indicators | Power, HDD, Temperature, Fan (Fan/Temp require sensor board TC-ISF08 ) |
| Switches | Power, Reset |
| Certification | RoHS compliant |
| Ordering Information | Black Bezel:D-300L-FS · Blue Bezel:D-300L-FS-BLUE · Red Bezel:D-300L-FS-RED · Silver Bezel:D-300L-FS-SILVER |
Downloads
Documentation & drawings.
Applications
Where the D-300L-FS is deployed.
Storage Server
Six 3.5" bays for RAID and database workloads.
Data Center
High-power 3U nodes with front-serviceable PSU.
Industrial PC
Dual-processor thermal capacity with five fans.
Machine Vision
Seven slots for capture, GPU, and I/O cards.
Factory Automation
Filtered airflow for cabinet deployment.
OEM/ODM Hardware Platform
Front panel, storage, and power customization base.
Customization Options
Adapt the D-300L-FS to your program.
iStarUSA Design-In services cover mechanical, electrical, and lifecycle customization scopes.
Front Panel Customization
Mechanical Modification
Storage Configuration
Power Supply Options
Cooling Design
Branding / Labeling
Long Lifecycle Planning
Two Ways to Buy
Order the standard model — or use it as a platform.
The D-300L-FS is available both as a ready-to-ship standard product and as a starting point for OEM/ODM customization. Pick the path that matches your project.
Option A
Use as Standard Product
Order the D-300L-FS with its published specifications. Ideal when you need a proven configuration, immediate quotation, and comparable datasheets against other models.
- Published specifications and datasheets
- Standard configuration, ready to quote
- Compatible with existing integrations
Option B
Use as Customizable Platform
Start with the D-300L-FS and adapt it for OEM/ODM, Design-In, mechanical modification, or long-term supply programs. Our engineering team supports the full customization scope.
- OEM/ODM branding and mechanical modification
- Design-In engineering support
- Long-lifecycle and BOM stability planning
Related Products
Explore adjacent options.
Design-In Center
Take D-300L-FS into your next project.
Request a quotation on the standard SKU, or start a Design-In conversation around customization, lifecycle, and integration.