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Description
Thermaltake S300 Tempered Glass Mid-Tower ChassisElevate your PC build with the Thermaltake S300 Tempered Glass Edition Mid Tower Chassis. This compact yet premium enclosure pairs a sleek tempered glass side panel with a sturdy steel frame, delivering a sophisticated silhouette that complements both gaming rigs and high performance workstations. Designed to maximize airflow, ease of assembly, and cable management, the S300 TG is the ideal choice for builders who want a clean, premium look without
Elevate your PC build with the Thermaltake S300 Tempered Glass Edition Mid-Tower Chassis. This compact yet premium enclosure pairs a sleek tempered glass side panel with a sturdy steel frame, delivering a sophisticated silhouette that complements both gaming rigs and high-performance workstations. Designed to maximize airflow, ease of assembly, and cable management, the S300 TG is the ideal choice for builders who want a clean, premium look without sacrificing functionality. From RGB-ready visuals to versatile cooling options, the S300 TG blends Thermaltake’s signature engineering with a refined, understated aesthetic.
- Premium tempered glass window: The large tempered glass side panel provides a crystal-clear view of your components and lighting, turning your build into a display piece. The glass is engineered for durability and a smooth, premium finish that resists scratches and fingerprints, letting your hardware shine with every turn of the system.
- Solid steel construction: Built on a modern steel chassis, the S300 TG offers structural integrity and long-lasting support for all internal components. The combination of a rigid frame and a clean exterior creates a premium presence on any desk or workstation while maintaining reliable protection for your hardware.
- Compact mid-tower design: Although compact, the S300 TG is engineered to house high-performance parts with ample internal clearance. Its thoughtful layout supports standard ATX, micro-ATX, and mini-ITX motherboards, enabling powerful builds without occupying excessive space—perfect for desktops, lounges, or compact gaming setups.
- Flexible cooling & radiator support: The chassis is designed to accommodate a wide range of cooling configurations, from air cooling to all-in-one liquid cooling. Multiple mounting positions and fan options enable optimized airflow for quiet operation and strong thermal performance, helping components maintain peak efficiency under load.
- Enhanced cable management: A clean build is within reach thanks to hidden cable channels, thoughtful routing paths, and a PSU shroud that conceals unsightly cables. The result is a tidy interior that not only improves airflow but also makes upgrades and maintenance quick and straightforward.
Technical Details of Thermaltake S300 Tempered Glass Mid-Tower Chassis
- Form factor: Mid-Tower chassis compatible with ATX, Micro-ATX, and Mini-ITX motherboards, offering versatile support for a wide range of builds.
- Exterior materials: SGCC steel frame paired with a 4mm tempered glass side panel for a premium, durable, and visually striking finish.
- Drive bays: Flexible drive mounting options that support multiple 3.5" and 2.5" drives, allowing you to configure storage to suit your needs without compromising space or airflow.
- GPU and CPU clearance: Generous internal clearance to accommodate long graphics cards and a variety of CPU coolers, enabling sleek, single- or multi-GPU setups and effective cooling solutions.
- Front I/O: Accessible front-panel I/O with USB connectivity and audio jacks, designed for easy quick access without interrupting your workflow or gaming sessions.
- Expansion slots: Desktop-ready expansion for multiple PCIe devices, providing flexibility for expansion cards, capture cards, or additional cooling controllers as your build evolves.
- PSU and cable management: PSU shroud to conceal power supply cables and a tidy interior, simplify cable routing, and improve overall airflow inside the chassis.
- Dust management: Integrated dust filters at the front and bottom help reduce dust ingress, keeping components cleaner and extending system longevity with minimal maintenance.
- Cooling configuration: Supports a broad spectrum of cooling options, including air and liquid cooling, with multiple fan mounting positions to balance performance and noise for your preferred use case.
how to install Thermaltake S300 Tempered Glass Mid-Tower Chassis
- Begin with a clean workspace and ensure all packaging materials are set aside. Remove the side panel and any internal accessories to access the chassis interior. Verify that you have all the mounting screws and standoffs needed for your motherboard and drive configurations before starting.
- Install the motherboard standoffs in the correct locations for your ATX, Micro-ATX, or Mini-ITX board. Align the I/O shield, then secure the motherboard using the appropriate screws. This step establishes the backbone of your build and sets the stage for clean cable routing.
- Prepare the power supply (PSU) and install it into the PSU bay. Route the main power cables toward the motherboard area through the back of the case, ensuring that you leave ample slack for cable management. Attach the PSU screws securely to keep the unit firmly in place.
- Mount your componentry—graphics card, memory, and cooling system—using the provided expansion slots and mounting points. If you’re installing a 120/140mm radiator or an AIO cooler, position it in the front or top mounting locations according to your thermal strategy, then secure with the respective screws.
- Install storage drives in their designated bays or trays. Use the included mounting hardware to secure 3.5" and 2.5" drives, ensuring that cables are routed away from fans and airflow paths to prevent interference. Connect power and data cables to each drive and route them neatly behind the motherboard tray.
- Route all cables behind the motherboard tray using the built-in channels and tie-down points. Attach the side panel, ensuring the tempered glass aligns correctly with the window opening. Double-check all connections, then power on to verify the system posts and the cooling configuration performs as intended.
Frequently asked questions
- Does the Thermaltake S300 support ATX motherboards? Yes. The S300 Tempered Glass Mid-Tower is designed to accommodate ATX, Micro-ATX, and Mini-ITX motherboards, offering a flexible platform for a wide range of builds, from compact gaming rigs to versatile workstation setups.
- Is the tempered glass panel removable? The left-side tempered glass panel is designed for easy removal and installation, enabling straightforward access for component upgrades, cable management, and maintenance while preserving a secure fit when re-attached.
- Can I install liquid cooling in the S300 TG? Absolutely. The chassis provides multiple mounting positions suitable for water cooling configurations, including radiators of various sizes. This makes it a versatile choice for enthusiasts seeking efficient cooling and silent operation.
- What cooling options are available for this case? The S300 TG supports a range of fan configurations and radiator placements, enabling effective airflow tailored to your build. Front, top, and rear mounting options help optimize thermals for both performance-focused setups and quiet systems.
- Does it come with fans or RGB features? Fan and RGB configurations vary by region and retailer. The chassis is designed to be RGB-ready and compatible with standard 5V addressesable RGB controllers, but you may need to add fans or lighting accessories depending on the specific package you purchase.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.5 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Versatile Room Divider With Easy Assembly and Strong Coverage
Size: 3 Panel 12FT W
I picked up this Siebwin 3-panel folding room divider mainly for privacy and room separation, and overall it works very well.
Assembly is very straightforward, and the divider can be set up, taken apart, and stored without much effort. The fabric quality feels good, and the frame construction is stronger and more stable than expected. The support tubes especially feel well built and help keep the divider standing securely.
One feature I really liked is the flexibility of the design. The panels can be used together as a complete divider or separated depending on the setup and available space. That makes it much more versatile for different room layouts or temporary privacy needs.
The coverage is also very good, and the size matches the manufacturer’s description accurately. The fabric blocks light and background visibility well enough to provide solid privacy without feeling overly heavy. The wider feet also help improve stability compared to thinner folding dividers.
Another positive detail is that everything arrived complete with no missing parts or damaged pieces, which made assembly much easier and faster.
Compared to cheaper privacy screens, this one feels more durable and easier to customize depending on the situation. In terms of value for the money, it feels like a very practical and worthwhile purchase considering the size, flexibility, and build quality.
Overall, a versatile and well-built room divider with easy assembly, strong privacy coverage, stable construction, complete included parts, flexible panel configuration, and excellent everyday functionality.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Stable, flexible in deployment configuration, creates true privacy and looks great.
Size: 3 Panel 12FT W
This is the second room divider panel I have installed, and there are several features about this one that I like much better than my older one.
The fact that there are no gaps and that the material is thicker means you get more privacy or more hiding power, if you wish. My older divider has vertical spaces between each of the panels and the panels are half as wide as the Siebwin panels, so there are many vertical spaces. The Siebwin divider really creates privacy.
Another feature that I really appreciate is that the legs are wider and stand off from the floor. On my older one the legs are flat and they're rather awkward to adjust because they create more drag on the floor. The feet on the older one also loosen if you turn them counter clockwise, so adjustments of configuration that require the feet to be moved are more complex.
The older divider also must be deployed in a zig-zag fashion because he feet are not as wide, but this new one can be deployed and stable in a straight, an "N" shape or an arc. They are both the same length, but because the older one must be use in a zig-zag deployment it doesn't reach to the length of the new one.
The Siebwin divider definitely costs more at $103.48, but it sports several features and advantages over the other brand, so it does a better job and is worth the extra cost.
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Reviewed in the United States on May 25, 2026
★★★★★ 4
Easy to assemble, does the job, material is shiny nylon and shows creases, minor defects, sloppy
Size: 3 Panel 12FT W, Size: 3 Panel 12FT W
The Siebwin room divider is a good idea, and for the price, it mostly delivers on the intended functionality. I ordered the 12 foot, 3-panel version mainly to hide an unfinished basement storage area that had become an eyesore. It works well for that purpose and gives the space a cleaner appearance without spending the kind of money that more decorative dividers or custom partitions cost. If you need something temporary, portable, or mainly functional, this is a viable option.
There are a few limitations that became obvious during setup and use. The first thing I noticed was that the weld quality on some of the metal poles is fairly sloppy. Once the cover is installed, you do not really see it, but up close, it does not look especially refined or professional. The blackout material also is not a matte canvas style fabric as I expected. It has more of a shiny nylon appearance, and the creases are fairly visible. Being that it’s more of a nylon, I’d be hesitant to try steaming it to remove the creases. However, the creases do not matter if you are using it in a basement, dorm, or shared room, but for photography, video work, or a professional office setting, the appearance could be disappointing. The fabric is thick enough, though. It blocks visibility well enough, but strong light behind it still shows through to some extent, nothing deal-breaking. Also, my fabric appeared to be slightly defective. The hook and loop strip on one of the bottom sections was off-center and couldn't be totally attached because it was lined up with one of the legs. I originally hoped to use this as a video backdrop, but I will probably end up replacing the fabric with a proper green screen or canvas material while continuing to use the frame itself. For now, it does a good job of covering my basement junk.
Assembly was actually easier than I expected and took roughly 15 to 20 minutes. The longer vertical poles are tethered together similarly to tent poles, which made setup straightforward and fairly intuitive. The shorter horizontal pieces slide and snap together to the top and bottom of the vertical assembly. After each section is assembled, the divider panels connect together with metal plates and two knurled screws (at the top and bottom), so no tools are really required. A few screws were difficult to start because paint had gotten into the threads, but once they caught, they tightened down normally. The feet install with similar knurled fasteners and help keep the divider reasonably stable. One thing to watch for during setup is the fabric orientation. There is one arrow indicator in the middle of the fabric to indicate up. However, if you need another indicator, the smaller hook and loop strip goes on the bottom while the longer strip goes on top. I realized mine was upside down right before finishing and had to redo it. I wasn't difficult to redo, despite the defect in mine.
The overall design is practical and easy to move around. I do like that the panels can fold and bend into different shapes depending on the space. The widened feet help stability, although when trying to stretch the fabric tight, I noticed the poles sometimes wanted to overlap slightly at the joints. Tightening everything helped somewhat, but it still happened occasionally. The divider feels adequate for normal indoor use, though I would not expect premium durability or luxury-level fit and finish at this price point. The entire device can also be easily disabled and stored in a tote if you need it completely out of the way. It comes with assembly instructions, but even if you didn’t have them, it’s easy to build without them (save a mistake or two).
In terms of value, I think the Siebwin divider mostly matches its price. Around $100 gets you a large freestanding partition with decent usability and easy assembly, but there are compromises in materials, appearance, and refinement. The defects are also off-putting, but hopefully you won't have them. Higher-end room dividers can easily cost two or three times more, so some of the tradeoffs are expected. I also noticed cheaper alternatives online, but based on the quality here, I suspect those would probably have even more issues. For practical home use, temporary privacy, hiding storage areas, or separating shared spaces, this is a good option as long as expectations stay realistic.
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Reviewed in the United States on May 18, 2026
★★★★★ 3
Works well but takes up more space than expected
Size: 2 Panel 8FT W, Size: 2 Panel 8FT W
This room divider does the job for creating a little extra privacy and was easy enough to set up. The panels feel decent quality and the wider feet help keep it more stable than some cheaper screens I’ve tried. My only issue is that it takes up a bit more room than I expected, especially with the feet sticking out. It’s still portable and folds away nicely, but definitely measure your space first. Overall it works well for separating a room or blocking off an area temporarily. i wish it came in other colors
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Nice divider, serves it's purpose well!
Size: 3 Panel 12FT W
This room divider worked out very well for what I needed. I wanted a simple way to create a little more privacy and separation in a larger room without doing anything permanent, and this divider was an easy solution. The panels provide good coverage, and the black color gives it a clean, modern appearance that blends in nicely with different décor styles.
Assembly was fairly straightforward, and once set up, the wider feet helped keep the divider stable on the floor. I was especially happy with how flexible the panels are to arrange. You can keep it mostly straight, angle it around furniture, or create a more enclosed private space depending on the layout you need.
The material allows light to filter through slightly while still offering a noticeable sense of privacy. I’ve used it for separating a workspace area, but it would also work well in bedrooms, apartments, dorms, studios, or shared living spaces. Another plus is that it can be folded and moved without too much effort when you want to change the setup.
Overall, this divider delivers a good balance of functionality, portability, and appearance. It’s a practical option for anyone needing temporary room separation without installing permanent walls or curtains.
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Reviewed in the United States on May 26, 2026