Supermicro SuperChassis 835TQ-R921B

SupermicroSKU: 6189430

Price:
Sale price$1,637.93

Description

Supermicro SuperChassis 835TQ-R921B

The Supermicro SuperChassis 835TQ-R921B is engineered for demanding data center environments where reliability, density, and expandability matter. This 3U rack-mount chassis delivers a rigid, black-painted enclosure with room for a versatile storage configuration and powerful server components. Designed to support E-ATX and ATX motherboards, it provides a robust foundation for enterprise servers, virtualization hosts, dense storage nodes, and high-performance computing deployments. With 11 external drive bays, dual 920 W power supplies installed, and seven PCIe expansion slots, the 835TQ-R921B delivers both the capacity and the flexibility to power modern workloads while fitting neatly into standard 19-inch racks.

  • Compact 3U rack-mount design for dense deployments: This chassis optimizes rack space, enabling high-density configurations without sacrificing accessibility or serviceability. The 3U form factor is ideal for data centers seeking efficient use of rack real estate while maintaining room for future upgrades.
  • Extensive external drive bay family for flexible storage: Equipped with 3 external 5.25" bays and 8 external 3.5" bays, the 835TQ-R921B supports a wide range of storage strategies—from boot drives and optical media needs to large-scale data storage and archival layouts. The modular bay layout makes it easy to tailor storage performance to specific workloads and growth trajectories.
  • Pre-installed cooling to handle high-demand workloads: Featuring 5 x 3.15" fans pre-installed for effective airflow, this chassis is prepared to sustain performance in busy rack environments. Efficient cooling helps maintain component longevity and reduces downtime risk during peak operations or heavy I/O activity.
  • Redundant power for reliability and uptime: Two 920 W power supplies are installed to deliver redundancy and stable power delivery. This configuration supports mission-critical services, minimizes risk of downtime due to power supply failure, and provides headroom for future expansion and peak workload demands.
  • Broad compatibility and expansion slots for future-proofing: The chassis supports E-ATX and ATX motherboards and offers 7 PCIe expansion slots for GPUs, NICs, storage controllers, or other adapters. This makes the 835TQ-R921B a versatile platform for virtualization, data processing, networking, and accelerator-based workloads, while maintaining a clean, organized internal layout for easy maintenance.

Technical Details of Supermicro SuperChassis 835TQ-R921B

  • Chassis type: 3U rack-mountable chassis
  • Color/finish: Black
  • Motherboard compatibility: E-ATX and ATX
  • Drive bays: 11 external bays (3 x 5.25", 8 x 3.5")
  • Cooling: 5 x 3.15" fans installed
  • Power supply: 2 x 920 W power supplies installed
  • Expansion slots: 7 PCIe expansion slots
  • USB connectivity: 2 x USB ports
  • Chassis height: 3U

How to install Supermicro SuperChassis 835TQ-R921B

Installing the 835TQ-R921B in a standard data center rack is straightforward and designed for dependable serviceability. Start by preparing a clean, stable rack and ensuring you have compatible rail kits for a 19-inch installation. Slide the chassis into the rack, align the mounting holes, and securely fasten the unit with screws to ensure rigidity during operation and maintenance. Connect both 920 W power supplies to a reliable power source that supports redundancy, and verify that both units engage correctly before powering on. Install your motherboard in the appropriate orientation, using the standoffs designed for E-ATX or ATX form factors, and mount the I/O shield. Next, populate the external drive bays with your storage devices—three 5.25" bays for ancillary drives or media, and eight 3.5" bays for primary storage or data drives. Route and manage all data and power cables neatly to avoid airflow obstruction, then install PCIe expansion cards into the seven available slots based on your workload—NICs for networking, GPUs for compute acceleration, or storage controllers for enhanced I/O performance. Use the two USB ports for maintenance tasks, boot media, or firmware updates as needed. After all components are installed, perform a thorough power-on self-test, verify POST, check BIOS/firmware settings, and validate RAID or storage configurations to ensure your deployment meets performance expectations. Regular rack maintenance, dust management, and cable organization will help sustain long-term reliability in busy data centers.

Frequently asked questions

  • What motherboards does the chassis support? It supports E-ATX and ATX motherboards, giving you flexibility for a wide range of server and workstation configurations.
  • How many drive bays are available on the chassis? There are 11 external drive bays: 3 x 5.25" bays and 8 x 3.5" bays, enabling versatile storage setups for OS, data, and expansion needs.
  • What power supplies are included? The unit ships with two 920 W power supplies installed to provide redundancy and reliable power delivery for demanding workloads.
  • What is the chassis height and form factor? The chassis is a 3U rack-mountable enclosure, designed for dense deployments in standard data center racks.
  • What color is the chassis? The SuperChassis 835TQ-R921B features a black finish, suitable for professional data center aesthetics and rack alignment.

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