SKU: 26161812035

Supermicro SuperChassis 745BTQ-R920B

Sale price$643.82 Regular price$715.36
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Description

Supermicro SuperChassis 745BTQ-R920BThe Supermicro SuperChassis 745BTQ R920B is a high density, enterprise grade storage chassis engineered to handle demanding workloads with reliability and expandability. This 4U tower chassis blends robust cooling, a versatile drive ecosystem, and proven enterprise features to deliver a scalable foundation for data intensive applications, virtualization, HPC, and cloud storage. It is designed to support a broad range of motherboard standardsEATX, ATX,

The Supermicro SuperChassis 745BTQ-R920B is a high-density, enterprise-grade storage chassis engineered to handle demanding workloads with reliability and expandability. This 4U tower chassis blends robust cooling, a versatile drive ecosystem, and proven enterprise features to deliver a scalable foundation for data-intensive applications, virtualization, HPC, and cloud storage. It is designed to support a broad range of motherboard standards—EATX, ATX, and Micro ATX—making it an ideal backbone for custom server builds, NAS appliances, or IT infrastructure upgrades where performance and uptime matter most. With dual 920W power supplies already installed, this chassis emphasizes redundancy and availability, reducing the risk of power-related downtime during peak workloads. The 745BTQ-R920B also focuses on serviceability, featuring front-access bays and a backplane that accommodates a variety of SAS/SATA drives, enabling flexible configurations from midrange to high-end storage solutions. In short, if you need a sturdy, expandable, and future-proof chassis capable of hosting sizeable drive arrays while maintaining easy maintenance, the 745BTQ-R920B is engineered to meet those demands.

  • Exceptional storage capacity and flexible expansion: This chassis provides 11 internal drive bays plus 3 external 5.25" bays and 8 external 2.5"/3.5" bays, delivering a versatile platform for SAS/SATA drives, SSDs, and HDDs. Its expansive drive ecosystem supports combinations of high-speed SSDs for caching and large-capacity HDDs for bulk storage, enabling tailored configurations for performance, capacity, and cost efficiency.
  • Redundant power with reliable uptime: Equipped with 2 x 920W power supplies installed, the 745BTQ-R920B emphasizes uptime and resilience. Redundant power supports uninterrupted operation during a single PSU failure and reduces the likelihood of power-related outages during intensive workloads. The design favors hot-swappable or easily serviceable power paths to minimize downtime during maintenance.
  • Broad motherboard compatibility for flexible builds: The chassis supports EATX, ATX, and Micro ATX motherboards, enabling a wide range of server and workstation configurations. This flexibility is ideal for IT environments that require customizable compute nodes, GPU or accelerator cards, and RAID or HBA expansions without sacrificing chassis form factor.
  • Advanced cooling designed for 4U class workloads: With 5 x 3.15" fans installed, the 745BTQ-R920B emphasizes robust airflow to keep CPUs, PCIe cards, and storage controllers within optimal temperature ranges. Efficient airflow paths and fan placement help maintain performance under heavy I/O, extending component life and reducing thermal throttling in dense storage deployments.
  • Front-access storage and modular expansion: The combination of 3 external 5.25" bays and 8 external 2.5"/3.5" bays paired with a SAS/SATA backplane affords easy access to storage components for maintenance or expansion. The front-access design minimizes downtime when swapping drives or upgrading storage while maintaining a clean, serviceable interior for upgradable controller cards and cages.

Technical Details of Supermicro SuperChassis 745BTQ-R920B

  • Model: Supermicro SuperChassis 745BTQ-R920B
  • Chassis type: Tower
  • Form factor: 4U
  • Drive bays: 11 internal bays, 3 external 5.25" bays, 8 external 2.5"/3.5" bays
  • Fans installed: 5 x 3.15" fans
  • Power supplies installed: 2 x 920W
  • Motherboard support: EATX, ATX, Micro ATX
  • USB ports: 2 x USB
  • Backplane: SAS/SATA backplane supporting multiple drive types and configurations

How to install Supermicro SuperChassis 745BTQ-R920B

  • Begin with a clean, vibration-free workspace. Verify you have the correct motherboard form factor (EATX, ATX, or Micro ATX) and that your drives, backplane, and expansion cards are compatible with the chassis.
  • Place the chassis on a stable surface or rack-compatible stand. Ensure all fasteners are readily accessible and that the environment has adequate cooling and ventilation.
  • Install the motherboard using the appropriate standoffs for EATX/ATX/Micro ATX. Align I/O ports with the chassis opening and secure the board, ensuring no cables interfere with fans or PCIe slots.
  • Populate the 11 internal drive bays and 8 external bays with SAS/SATA drives or SSDs as your storage strategy dictates. Install any required backplane connectors and ensure all drives are properly seated and secured.
  • Connect the dual 920W power supplies and route power cables to the motherboard, backplane, and expansion cards. Attach required data cables for SAS/SATA controllers, hot-swappable backplanes, and front panel connectors.
  • Install any additional PCIe cards or controllers as needed, keeping airflow in mind. Double-check clearance around fans and PCIe slots to prevent cables or components from obstructing cooling paths.
  • Power on the system and enter the BIOS/UEFI to configure drive modes (AHCI/RAID as applicable), boot order, and any chassis management options. Verify that drives are recognized and that all fans operate correctly.
  • Perform a basic POST test and run initial diagnostics to confirm stability. Apply any firmware updates for storage controllers or管理 modules if available, then finalize your deployment with your preferred operating system installation.

Frequently asked questions

  • Q: How many drive bays does the SuperChassis 745BTQ-R920B provide, and what types are available?
  • A: It offers 11 internal drive bays, plus 3 external 5.25" bays and 8 external 2.5"/3.5" bays, enabling a flexible mix of SAS/SATA drives and SSDs for versatile storage configurations.
  • Q: What power supplies come with this chassis?
  • A: The chassis ships with two 920W power supplies installed, delivering redundancy and reliable uptime for demanding workloads.
  • Q: Which motherboard sizes are supported?
  • A: It supports EATX, ATX, and Micro ATX motherboards, offering broad compatibility for various server and workstation builds.
  • Q: How does the cooling system keep components within safe temperatures?
  • A: The chassis includes 5 x 3.15" fans designed to deliver strong front-to-rear airflow, helping to maintain optimal temperatures for CPUs, storage controllers, and expansion cards in dense configurations.
  • Q: Is the drive backplane hot-swappable?
  • A: Yes, the SAS/SATA backplane is designed to support flexible drive hot-swapping and straightforward maintenance, reducing downtime during upgrades and replacements.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 26161812035

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4.1 ★★★★★
Based on 28 reviews
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Product Reviews
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Verified Purchase
Candice K
Port Orchard, US
★★★★★ 4
The squeeker isn't durable, but the balls themselves are.
Color: S6-muti-color, Color: S6-muti-color
I have two 70+lb, ball obsessed dogs (a field bred Golden Retriever, and an Old Time Scotch Collie), and these balls are living up to the abuse they're receiving. In the fall we always lose a ball or two in the yard due to getting lost in leaves or longer grass, so I always try and buy a multi pack at the start of the season, so went with these this year. I'm glad I did. Great price for a 6 pack, they fit the medium Chuck-It launcher (a little loosely, but they throw just fine), have great bounce, they FLOAT (which means I didn't lose any at the beach), and they're super durable to the dreaded "mouth squish." The squeaker dies pretty quick, like, within a day, but it isn't the kind that can fall out or choke your dog, so no worries there. The boys are happy, I'm happy, my wallet is happy - I've already ordered another pack.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 2, 2024
S
Verified Purchase
S. Berg
Omaha, US
★★★★★ 5
Good balls
Color: S6-glow
My dog is a chewer, and these have held up for close to a year actually a pretty good product
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Reviewed in the United States on May 27, 2026
N
Verified Purchase
nanny america
Pawtucket, US
★★★★★ 3
Disappointed
Color: S6-muti-color
These were great for about 20 minutes then they stopped squeaking...we have 2 left that I have saved but the other 4 do not squeak anymore...disappointed as my dog loves to squeak things...would not buy these again...My dog is only an 8lb dog too...but he can still play with the balls without the squeak...
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
J
Verified Purchase
joymom
Belleville, US
★★★★★ 5
Great Value for a ball my dog loves!
Color: S6-muti-color
I wish these ball were in the subscription program! My dog gets sooo excited by the new ball, but her interest in things lasts for a few days. She kills the squeak within 11minutes, but the squeaker stays in place rather than becoming a chocking or swallow hazard, and she still loves to chew it. Next, we must throw the ball approximately 723 times the first day, possibly 496 times on day 2, and just 3- 4 on day 3, at which point she will chase the ball before hollering "it's over here if you need it," while she checks on the chipmunk den. We currently have 17 of these balls in our yard (because we have given several leftovers to a less discriminating doodle next door). These balls hold up really well, get her extremely active for the first couple of days, and are a much cheaper than doggie daycare (after an active morning with a new ball, she is happy to chew on it and sleep much of the day). I always have these on hand!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 22, 2025
M
Verified Purchase
Michelle
Charlottesville, US
★★★★★ 4
Pieces chewed off
Color: white & green
My Aussiedoodle loves it. I throw it down the hallway, it bounces crazy, and he chases it. The only complaint is that he can't chew much of the ball part. So now I have to have it put away and brought out for special playtime.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026

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