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White compact Micro-ATX case with mesh side panel and carry handle

Shiny Snake

Shiny Snake G300 White SFF PC Case 16.8L Micro-ATX 340mm GPU

SKU CH-NMRJ-W867K

Compact 16.8L Micro-ATX case holds 340mm GPUs like RTX 5090 and 240 or 280mm AIOs with SFX power supply

  • Max graphics card length340 mm
  • Housing materialSPCC
  • Power supply14 cm ATX
  • Power supply mountingTop
  • Supported motherboard sizesMicro ATX / ITX / Mini ITX
  • Side panel typeMesh Panel

Color White

  • Fits flagship GPUs up to 340 mm including RTX 5090 and 5080
  • Dual thermal paths: ATX PSU for air cooling or SFX PSU for 240/280 mm AIO
  • Front I/O with USB 3.2 Gen 2 Type-C 10 Gbps plus dual USB 3.0 and 2.0 ports
  • Tool-free interior with horizontal PSU layout removes cable interference and mesh panels cut dust intake by 60 %
  • Compact 16.8 L volume supports 164 mm air coolers and ATX PSUs up to 140 mm

Compact 16.8L Micro-ATX Chassis

The Shiny Snake G300 is a white 16.8-litre case built for Micro-ATX and Mini-ITX motherboards. It targets builders who want a small-footprint system without sacrificing high-end component support. The mesh side panel and SPCC steel construction prioritise airflow and a clean aesthetic. It suits enthusiasts assembling a portable gaming rig or a powerful workstation in a minimal volume.

340mm GPU and Dual Cooling Paths

This case replaces larger mid-tower enclosures when desk space is limited but flagship graphics cards are required. It fits 340 mm long GPUs such as the RTX 4090, 5080 and 5090 while supporting CPU air coolers up to 164 mm tall. For liquid cooling, an SFX or SFX-L power supply unlocks 240 mm or 280 mm AIO radiator support via the included bracket kit. The jump is worth it when a full-size ATX build is impractical yet a 4-slot card and high-wattage CPU remain essential.

Drive Bays, I/O and Clearance Limits

Internal storage consists of one 3.5-inch bay and one 2.5-inch bay, sufficient for a primary SSD and a bulk hard drive. Front I/O provides USB 3.2 Gen 2 Type-C at 10 Gbps, two USB 3.0 ports, two USB 2.0 ports and audio. Four expansion slots accommodate the thickest cards. The 140 mm ATX power supply limit and 340 mm GPU ceiling define the headroom; builds needing more drives, longer cards or larger radiators will exceed the chassis capacity.

How it compares

Measured against everything we stock in Tower & Desktop PC Cases, at today’s prices. Recalculated every night.

Price $135.99
Pricier than about 66% of the 1,468 comparable items (median $100.99).
Max graphics card length 340 mm
Lower than about 80% of the 894 comparable items (median 400 mm).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameShiny Snake
Product lineG-series
Model nameG300
Part numberSSMG300MBK
Product typeMicro ATX / Mini-ITX
Product colorWhite
Storage
3.5-inch internal bays1
2.5-inch internal bays1
Ports & slots
Expansion card slots4
Front panel portsUSB 2.0 / USB 3.0 / USB 3.1 Type-C / Audio
Power
Power supply includedNo
Power supply14 cm ATX
Size & build
Max graphics card length340 mm
Housing materialSPCC
Power supply mountingTop
Side panel typeMesh Panel
Dust filteringYes
Fan mounting options3 × 12025 mm
Product dimensions345 × 188 × 260 mm
Product weight3.7kg
Compatibility
Supported motherboard sizesMicro ATX / ITX / Mini ITX
Radiator support240/280 AIO with SFX Bracket Kit
CPU cooler height limit164 mm

Other versions of this model

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Questions about this item

What are the exact GPU length and CPU cooler height limits for the G300?

The case accepts graphics cards up to 340 mm long and CPU air coolers up to 164 mm tall, covering cards such as the RTX 4090, 5080 and 5090.

How do I switch between ATX and SFX power supply mounting, and what is the common mistake?

Remove the top bracket and reinstall it in the SFX position; the step people miss is fitting the included SFX bracket kit before installing a 240 or 280 mm AIO, otherwise the radiator will not clear the PSU.

How often should the mesh side panels and front dust filters be cleaned?

Vacuum or rinse the mesh panels and the front dust filters every three to six months; the mesh design cuts dust intake by about 60 percent compared with solid panels, so buildup is slower but still needs periodic removal.

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