Industrial Rackmount Chassis / D-300-FS
3U Compact Stylish Rackmount Chassis with Front-mounted ATX Power Supply
A 20.8"-deep 3U chassis with six 3.5" and two 5.25" bays plus seven slots — high-density storage and expansion in a shallow rack footprint.
Product Overview
What the D-300-FS is built for.
The D-300-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-300-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-300-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 3.0 for on-site service and commissioning
- 80mm x1, 60mm x1 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
- Optional aluminum chassis body for lower weight and enhanced thermal dissipation
Specifications
Technical specifications.
| Model Number | D-300-FS |
|---|---|
| Product Category | Industrial Rackmount Chassis |
| Form Factor | 3U |
| Motherboard Support | 12 x 9.6 (ATX, microATX) |
| Drive Bays | 3.5" Drives: 1 · 3.5" Drive (internal): 5 · 5.25" Drives: 2 |
| Expansion Slots | 7 |
| Cooling | 1x60mm, 1x80mm, removable & washable air filter |
| PSU Support | PS2 - up to 160mm deep |
| Front Connector | 2x USB 3.0 |
| 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 20.80" · 482.6 mm x 133.4 mm x 528.3 mm |
| Indicators | Power, HDD, Temperature, Fan (Fan/Temp require sensor board TC-ISF08 ) |
| Switches | Power, Reset |
| Certification | RoHS compliant |
| Ordering Information | Black Bezel:D-300-FS · Blue Bezel:D-300-FS-BLUE · Red Bezel:D-300-FS-RED · Silver Bezel:D-300-FS-SILVER |
| Notes | supports standard ATX power supply length up to 160mm. |
Downloads
Documentation & drawings.
Applications
Where the D-300-FS is deployed.
Storage Server
Six 3.5" bays for database and file servers.
Data Center
Seven-slot expansion in a shallow 3U body.
Industrial PC
Dual-processor thermal headroom for control systems.
Machine Vision
Full-height slots for capture and I/O cards.
Factory Automation
Filtered intake for cabinet installation.
OEM/ODM Hardware Platform
Bezel, storage, and PSU customization base.
Customization Options
Adapt the D-300-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-300-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-300-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-300-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-300-FS into your next project.
Request a quotation on the standard SKU, or start a Design-In conversation around customization, lifecycle, and integration.