Description
iStarUSA S-21 Overview
The S-21 Compact Stylish Mini-ITX Enclosure from iStarUSA offers high capacity and extreme performance. It is specifically designed for use in the entertainment and industrial fields. It is compatible with next generation cooling performance and the full range of 6.7 x 6.7″ (17 x 17 cm) Mini-ITX motherboards. Its main chassis is made of cold-rolled steel that can hold either two 2.5″ hard disk drives or one 3.5″* hard disk drive. It is crafted with a smooth aluminum front panel to achieve a generous feeling of substance by minimizing gaps and holes. Moreover, the enclosure is RoHS compliant.
The enclosure features two front access USB 2.0 ports, LEDs for power on and HDD activity, power and alarm reset switches, a full height expansion slot (riser card required) and one optional 80mm ball bearing cooling fan for whisper quiet operation. Its strategically placed side ventilation protects the equipment from heat damage. Everything in this enclosure is either covered or hidden that makes it look clean.
Note: *3.5″ HDD can’t be mounted when add-on card is in place. The main chassis of the compact, stylish enclosure is made of cold-rolled steel that can hold either two 2.5″ HDDs or one 3.5″ HDD The enclosure features two front access USB 2.0 input/output ports, LEDs for power on and HDD activity, power and alarm reset switches and a full height expansion slot (riser card required) An optional 80mm ball bearing cooling fan provides whisper quiet operation and its strategically placed side ventilation protects the equipment from heat damage The enclosure has a smooth aluminum front panel crafted with a contemporary touch to achieve a generous feeling of substance by minimizing gaps and holes It is compatible with the next generation cooling performance and full range of 6.7 x 6.7″ (17 x 17 cm) Mini-ITX motherboards The enclosure is RoHS compliant UPC: 846813023054
In the Box
- iStarUSA S-21 Compact Stylish Mini-ITX Enclosure
- Screws
- 1 Year Limited Warranty*
iStarUSA S-21 Specs
Compatibility
| Motherboard Support | Mini-ITX |
| Internal Drive Bays | 2 x 2.5″ |
| Expansion Slots | 1 x Full Height |
| CPU Cooler Height | 2.56″ / 65mm |
| Maximum PSU Length | 5.9″ / 149.86mm |
| PSU Mounting Location | Side |
Cooling
| Fan Controller Included | No |
I/O
| I/O | 2 x USB-A (USB 2.0) |
| Audio Connections | None |
| Display Connections | None |
Physical
| Windowed Panel | No |
| Material | Aluminum, Steel |
| Certifications | RoHS, as per Manufacturer |
| Cable Management Space | None |
| Dimensions (W x H x D) | 8.9 x 3.5 x 8.3″ / 22.6 x 8.9 x 21.1cm |
| Weight | 3lb / 1.4kg |
Packaging Info
| Package Weight | 3.85 lb |
| Box Dimensions (LxWxH) | 11.8 x 10.2 x 4.4″ |
iStarUSA S-21 Reviews
Solidly Built
By Evan Rated 4 out of 5 Date: 2022-11-14
This is a great compact case. It is exceptionally well built for the price. Ventilation could be better. I cut a hole in the top to mount a 120 mm fan that blows onto the CPU heatsink. Had to sacrifice the HDD mounts for that, but I didn’t need those mounts anyway.
Sturdy, high quality case, airflow is another story
By KHOA Rated 3 out of 5 Date: 2020-02-18
Using this for a pfsense build. Airflow is non-existent. The top cover could have been perforated and it would be okay. The front exhaust 80mm fan (they recommend you to use a slim version at 15mm) is almost completely blocked by the front design. The inlet 60mm fan would be blocked by the PCI riser card. I find these design choices very confusing. Fix these issues and this would be a totally 5 star case. It’s one of the few on the market that’s mini-itx and has an expansion slot! But such a bummer it has airflow issues.
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