Thermaltake TR100 SFF Chassis; mITX Support; 18.9 Liters; PCIe 4.0 Riser Cable Included; 360mm GPU Clearance; 280mm Radiator Support; Removable PCIe Bracket; Matcha Green; CA-11A-00SENN-00
Bottom line: The Thermaltake TR100 SFF Chassis; mITX Support; 18.9 Liters; PCIe 4.0: 18.9-liter dual-chamber mITX chassis with a small footprint for home or travel; main trade-off: mITX only; no support for mATX or ATX motherboards.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ 18.9-liter dual-chamber mITX chassis with a small footprint for home or travel
- ✓ Fits GPUs up to 360mm long despite the compact 18.9L volume
- ✓ PCIe 4.0 riser cable included in the box, no separate purchase needed
- ✓ Supports up to a 280mm radiator for liquid-cooled CPU builds
- ✓ Removable PCIe bracket, integrated GPU brace, and magnetic side panels
Cons
- ✗ mITX only; no support for mATX or ATX motherboards
- ✗ 68mm CPU cooler clearance rules out most tower air coolers
- ✗ Requires an SFX or SFX-L power supply; standard ATX PSUs won't fit
- ✗ Riser-mounted GPU layout adds build steps versus a direct-slot case
Manufacturer description
Take a trip to the Small Form Factor with the TR100 mITX Chassis. Coming in at just 18.9 liters the TR100 is one of the smallest chassis we have made to date. With handy features like removable PCIe bracket for easy GPU installation, magnetic side panels for quick tear down, and PCIe Riser Cable included just to name a few. On top of its small footprint that makes it a great on the go PC, the TR100 can also support Radiators up to 280mm in size as well as clearance for GPUs up to 360mm in size.
SpecPicks Verdict
SpecPicks scored Thermaltake TR100 SFF Chassis; mITX Support; 18.9 Liters; PCIe 4.0… using a rating × review-volume × price-fit model applied to published specs and reviews across the pc cases category. Thermaltake's pc cases lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for pc cases of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- 【Perfect for Home or Travel】Built to be portable and compact the TR100 does a great job with providing a small footprint at home and perfect for travel.
- 【mITX Engineered】 Coming in at 18.9 liters and optimized for mITX SFF builds with its dual chamber design to provide plenty of options for components.
- 【Tiny but Mighty】While coming in at a small size, space for components is pretty roomy at 360mm GPU clearance, 280mm Raditator support, SFX and SFX-L PSU support, and 68mm of CPU cooler clearance.
- 【PCIe 4.0 Riser】 The TR100 comes with an included PCIe 4.0 Riser cable to meet the demands of modern GPUs bandwidth requirements and to faciliate easy installation.
- 【Removable PCIe Bracket】Featuring a removable PCIe bracket for straight forward GPU installation, not to mention an integrated GPU brace for added security.
Full Specifications
| Brand | Thermaltake |
|---|---|
| Color | Matcha Green |
| Material | Acrylonitrile Butadiene Styrene (ABS), Glass, Stainless Steel, Tempered Glass |
| Case Type | Mini-Tower |
| Model Name | TR100 Matcha Green |
| Light Color | RGB |
| Model Number | CA-11A-00SENN-00 |
| Cooling Method | Fan |
| Mfr Part Number | CA-11A-00SENN-00 |
| Number of Items | 1 |
| Total Usb Ports | 3 |
| Antenna Location | Computer Chassis |
| Compatible Devices | Mini ITX motherboards, SFX/SFX-L PSUs, 2.5" and 3.5" storage drives, GPUs up to 360mm |
| Enclosure Material | Acrylonitrile Butadiene Styrene (ABS), Glass, Stainless Steel, Tempered Glass |
| Total USB 3.0 Ports | 2 |
| Warranty Description | 3 Year Manufacturer |
| Supported Motherboard | Mini ITX |
| Internal Bays Quantity | 1 |
| Motherboard Compatability | Mini ITX |
| Number of Expansion Slots | 3 |
Ready to buy?
Thermaltake TR100 SFF Chassis; mITX Support; 18.9 Liters; PCIe 4.0 Riser Cable Included; 360mm GPU Clearance; 280mm Radiator Support; Removable PCIe Bracket; Matcha Green; CA-11A-00SENN-00 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
Related PC Cases
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- How to Build a Windows 98 Retro PC in 2026
- Best 1440p Gaming GPUs in 2026
- Best Retro Handhelds in 2026 — From $35 to $500
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
More reviews from the SpecPicks archive
Browse all reviews →- Best Budget PC Gaming Upgrades Under $150 in 2026
- Raspberry Pi Zero 2 W Powers a Privacy-First Ring-Camera Alternative
- Best Parts for a ComfyUI + Local LLM Workstation in 2026
- Homebrew Hardware Mod Gives the NES a Graphics Upgrade
- Best Budget AMD Gaming PC Upgrades in 2026: 5 Parts That Move the Needle
- Best Game Controller for PC in 2026: 5 Picks Tested Against Real Use
- Best GPU for Running 27B-32B Local LLMs in 2026
- EU GPU Price Tracking: Why RTX 5090 Won't Get Cheaper
- 3dfx Voodoo5 5500 AGP tuning guide — 2026 edition
- Troubleshooting Corsair 12V-2x6 Cable Issues on RTX-Class GPUs (2026)
- Best Wireless Controller for PC LAN Parties & Couch Co-Op in 2026
- MiniMax-M3 Tops Open-Weight Models at Intelligence Index 55
- Best Webcam for PC Game Streaming Under $100 (2026)
- Best Streaming Microphone for Twitch in 2026
- RTX 3060 12GB vs RX 6700 XT 12GB for Phi-4 14B Under $300 (2026)
- 8BitDo Pro 2 vs GameSir G7 SE vs DualSense: Best Controller for Emulation
- Best SSD for PS5 Console Storage Expansion in 2026
- No GPU Required? Testing Local LLM Inference on the Ryzen 5 5600G iGPU
- Best Budget SSD for Gaming in 2026: 5 Tested Picks Ranked
- How to Identify Your Motherboard: A Step-by-Step Guide
- Best Game Controllers for PC, Retro & Handheld in 2026
- NES Graphics Upgrade Mod Gains Community Traction
- Qwen 3.6 27B vs Sonnet 4.6: Local Agentic Benchmarks
- 8BitDo Pro 2 vs GameSir G7 SE: Best PC Emulation Controller
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090