Thermaltake TR100 SFF Chassis; mITX Support; 18.9 Liters; PCIe 4.0 Riser Cable I vs Thermaltake Versa H21 SPCC ATX Mid Tower Computer Chassis CA-1B2-00M1NN-00
Updated August 2026 — The Thermaltake TR100 is ideal for portability and compact builds, while the Versa H21 offers better expandability at a lower price.
The Thermaltake TR100 is ideal for portability and compact builds, while the Versa H21 offers better expandability at a lower price.
Why Thermaltake TR100 SFF Chassis; mITX Support; 18.9 Liters; PCIe 4.0 Riser Cable I is better
compact design
smaller size at 18.9 liters
SFF support
optimized for mITX builds
PCIe riser included
supports modern GPUs
Why Thermaltake Versa H21 SPCC ATX Mid Tower Computer Chassis CA-1B2-00M1NN-00 is better
price
more affordable at C$69.99
expandability
7 expansion slots available
cooling options
better ventilation with cleanable air filter
Overall score
Specifications
| Spec | Thermaltake TR100 SFF Chassis; mITX Support; 18.9 Liters; PCIe 4.0 Riser Cable I | Thermaltake Versa H21 SPCC ATX Mid Tower Computer Chassis CA-1B2-00M1NN-00 |
|---|---|---|
| Material | Steel | SPCC |
| Drive Bays | 1x 3.5-inch | 3x 3.5-inch |
| Cooling Support | 280mm | multiple options |
| Power Supply | SFX/SFX-L | ATX |
| Weight | 5 kg | 7 kg |
Dimension comparison
Design and Build Quality
The design and build quality of a computer case can significantly influence its functionality and user experience. The Thermaltake TR100 SFF Chassis offers a compact dual chamber design optimized for mITX builds, making it a great choice for users looking for portability without sacrificing performance. It measures just 18.9 liters, which is notably smaller than traditional cases. In contrast, the Thermaltake Versa H21 is a mid-tower case built from SPCC material, providing a more spacious interior suitable for high-end hardware. Its design includes external bays for 3x 5.25-inch drives and internal bays for both 3.5-inch and 2.5-inch drives, making it versatile for various setups.
Size and Form Factor
When considering size and form factor, the Thermaltake TR100 excels as a small form factor (SFF) chassis, ideal for users prioritizing portability. At only 18.9 liters, it is specifically engineered for mITX motherboards, allowing for a compact build that is easy to transport. On the other hand, the Thermaltake Versa H21, being a mid-tower chassis, offers a more substantial footprint. This case is better suited for those who require extra space for larger components, as it supports full ATX motherboards and provides ample room for high-performance hardware.
Cooling and Airflow
Cooling capabilities are critical for maintaining optimal performance in any computer setup. The Thermaltake TR100 includes support for a 280mm radiator, catering to users who may want to implement liquid cooling solutions. It also features a removable PCIe bracket for straightforward GPU installation, which can help streamline airflow. Meanwhile, the Thermaltake Versa H21 is designed with excellent ventilation options, including a cleanable air filter and a perforated mesh bezel. This design helps keep the system cool and dust-free, making it a solid choice for gamers and builders who require efficient airflow.
Component Support
Component support is another essential consideration when choosing a computer case. The Thermaltake TR100 boasts impressive specifications for its size, with a GPU clearance of 360mm and CPU cooler clearance of 68mm. It supports SFX and SFX-L power supplies, which are ideal for compact builds. In contrast, the Thermaltake Versa H21 provides more flexible options for component installation, featuring 7 expansion slots and support for multiple drive configurations. This makes it suitable for users building powerful systems or those who plan to upgrade their hardware in the future.
Portability
Portability is a major advantage of the Thermaltake TR100, which is explicitly built for users who need a portable solution. Its compact design makes it easy to carry, making it perfect for travel or LAN parties. The magnetic side panels allow for quick access to components, which is a significant benefit when on the go. Conversely, while the Thermaltake Versa H21 is manageable in size, it lacks the inherent portability of the TR100 due to its larger mid-tower design. Therefore, it may not be the best option for users looking to transport their PC frequently.
Price Comparison
In terms of pricing, the Thermaltake TR100 is positioned at a premium, retailing for C$207.54. This higher cost reflects its compact design and specialized features for SFF builds. On the other hand, the Thermaltake Versa H21 is significantly more affordable at C$69.99, making it a budget-friendly option for users who need a reliable mid-tower case without breaking the bank. The price difference highlights the varying target audiences for each case, with the TR100 aimed at enthusiasts seeking portability and the Versa H21 catering to budget-conscious builders.
Aesthetic Appeal
Aesthetic appeal can influence a buyer's decision, and both cases offer distinct designs. The Thermaltake TR100 features a minimalist look that emphasizes its compact form, making it suitable for users who prefer understated elegance. Its magnetic panels add to the sleek design while facilitating easy access. In contrast, the Thermaltake Versa H21 offers a more traditional mid-tower appearance with a perforated mesh front panel, appealing to users who enjoy customization and visibility of their components. Both cases present unique aesthetic choices depending on user preferences.
Which should you buy?
Choosing between the Thermaltake TR100 SFF Chassis and the Thermaltake Versa H21 ultimately depends on your specific needs. If portability and compactness are your primary concerns, the TR100 stands out with its small footprint and mITX support, albeit at a higher price of C$207.54. However, for users who prioritize versatility, expandability, and a lower cost, the Versa H21 is a solid choice at C$69.99. Each case offers distinct advantages, catering to different types of builders and users.
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