iStarUSA 3U High Performance Rackmount Chassis Front-mounted ATX Power Supply

Discover the iStarUSA D-300L-FS, a 3U high-performance rackmount chassis engineered for enterprise reliability, flexible storage, and streamlined maintenance. Built to meet the demands of data centers, media servers, and professional workstation environments, this chassis blends a rugged aluminum front panel with a steel chassis body to deliver both strength and durability in a compact 19-inch rack footprint. With front access conveniences like USB 2.0 ports and a front-mounted ATX power supply, the D-300L-FS simplifies cable management, enhances airflow, and speeds up component upgrades. If you need substantial drive density, robust cooling, and a polished professional aesthetic, this enclosure is designed to deliver.

• Unmatched expansion and drive density: The D-300L-FS supports two external 5.25" bays and six internal 3.5" drives, delivering substantial storage capacity and versatile I/O options in a streamlined 3U footprint. This layout is ideal for RAID configurations, high-availability servers, media workloads, and data-intensive applications where access, cooling, and organization matter. The design accommodates scalable storage setups, enabling straightforward upgrade paths as your needs evolve.
• Front-mounted ATX power supply for improved airflow and simple maintenance: With the power supply located at the front, cable routing behind the motherboard tray stays neat, airflow remains unobstructed, and component temperatures stay in check. This arrangement is especially beneficial in dense rack deployments or situations where quick power supply swaps are required, minimizing downtime for critical systems.
• Convenient front-access interfaces and robust cooling: The front panel includes two USB 2.0 ports for quick peripheral connection, along with four high-efficiency 80mm fans that push air across hot components. A removable air filter helps keep dust out, while an aluminum front panel with locking mechanisms provides security for sensitive equipment in shared environments. The four fans deliver strong airflow for CPUs, storage arrays, and expansion cards, helping maintain stable operating temperatures under load.
• Easy serviceability and informative indicators: The chassis provides clear Power and HDD LEDs, plus a Power and Alarm Reset switch for rapid troubleshooting. The front-access design simplifies hot-swapping drives and component upgrades without removing the entire chassis from the rack, reducing downtime and maintenance complexity in busy data centers or editing suites.
• Rigid construction and professional aesthetics: Crafted with an aluminum front panel and a sturdy steel chassis, this 3U enclosure blends industrial strength with a clean, professional appearance for data centers, studios, and IT closets. The unit is designed to mount in standard 19-inch racks with appropriate rails, offering dependable rigidity while maintaining a refined look that fits both enterprise and creative environments.

Technical Details of iStarUSA 3U High Performance Rackmount Chassis

• Model: D-300L-FS
• Form Factor: 3U rackmount chassis
• Power Supply: Front-mounted ATX power supply
• Front Panel: 3-way aluminum front panel with locks
• Front I/O: Front access USB 2.0 x2
• Cooling: Four 80mm cooling fans
• Air Filtration: Removable dust filter
• Drive Bays: Two 5.25" external bays; six internal 3.5" drive bays
• Indicators: Power LED, HDD LED
• Switches: Power and alarm reset switch
• Materials: Aluminum front panel, steel chassis
• Compatibility: 19" rackmount, standard EIA-310/ISO rail standards

how to install iStarUSA 3U High Performance Rackmount Chassis

To get the most from your iStarUSA 3U chassis, follow these practical steps that emphasize airflow, component access, and serviceability.

Step 1 — Prepare your rack and hardware Bring your rack rails, screws, and spacers suitable for a 19-inch cabinet. Confirm that your power distribution, cooling, and cabling plan align with the chassis’ 3U height and weight capacity. Clear the workspace to avoid accidental drops or misalignment during installation. Ensure you have the appropriate tools and a stable work surface for mounting.

Step 2 — Install the chassis into the rack With the chassis aligned to the rack’s vertical tracks, insert mounting screws through the side rails, securing them firmly without over-tightening. Leave adequate clearance in front for door access and in back for cable management and airflow. Double-check that the chassis sits level and that the front panel remains accessible for drive insertion and maintenance tasks.

Step 3 — Install the front-mounted power supply and drives Install the front-mounted ATX power supply per the manufacturer’s instructions, connecting to the motherboard, drives, and expansion cards as required. Mount the two external 5.25" bays and the six internal 3.5" drive bays with appropriate brackets or sleds, ensuring drives are firmly seated and aligned with the chassis ports. Route power and data cables along clean, unobstructed paths to minimize airflow disruption and interference with fans.

Step 4 — Connect front panel interfaces and cooling Attach any USB devices to the front USB 2.0 ports and confirm that the front LEDs illuminate when powered. Verify that all four 80mm fans spin up during initial power-on and that airflow paths are unobstructed by cables or components. Reinstall the removable air filter securely to maintain dust control without impeding airflow.

Step 5 — Final checks and testing Power on the system and enter the BIOS/UEFI to verify hardware detection, fan speeds, and temperature readings. Configure storage in RAID or AHCI modes as required by your workload. Perform a basic burn-in test or run representative workloads to confirm stability, cooling, and noise levels meet your environment’s requirements. Finish with a tidy cabling plan to preserve airflow for sustained performance.

Frequently asked questions

• Q: What is the form factor of this chassis? A: It is a 3U rackmount chassis designed for 19-inch racks with a front-mounted ATX power supply for optimized cooling and serviceability.
• Q: How many drives can it hold? A: It supports two external 5.25" bays and six internal 3.5" drive bays, offering substantial storage density for RAID configurations and data-intensive applications.
• Q: Does it include a dust filter? A: Yes, the chassis features a removable dust filter to help protect internal components and extend hardware life in dusty environments.
• Q: Are front USB ports available? A: Yes, there are two USB 2.0 ports on the front panel for quick peripheral connections and maintenance tasks.
• Q: How accessible is maintenance or drive replacement? A: The front-panel design with locked access and hot-swap-friendly drive bays makes maintenance and drive replacement straightforward without removing the chassis from the rack.