Smart Wizard
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Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Phanteks
Pricing is still being verified

Case dimensions, clearance, cooling, drive bays, and features.
About This Product
The Phanteks Eclipse G300A is an ATX mid-tower case designed for users seeking a balance of airflow and aesthetics. It accommodates GPUs up to 365mm and offers radiator support up to 360mm, suitable for mid-range gaming systems. While it provides good cooling potential for its class, the limited front I/O and drive bays may be a consideration for some builds.
Verdict
βA solid choice for mid-range gaming builds prioritizing airflow and aesthetics.β
Case dimensions, clearance, cooling, drive bays, and features.
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This case fits GPUs up to 365mm long. Here are 20 compatible options.
Gigabyte GeForce RTX 5080 AORUS MASTER ICE
XFX Mercury RX 9070 XT Gaming Edition
XFX Mercury RX 9070 XT OC White Gaming Edition
Gigabyte GeForce RTX 5090 AORUS STEALTH ICE
XFX Radeon RX 9070 XT Mercury
XFX Mercury RX 9070 XT OC Gaming Edition
XFX Radeon RX 9070 XT Mercury OC Magnetic Air RGB V2
Gigabyte GeForce RTX 5090 AORUS MASTER
XFX Radeon RX 9070 XT Mercury OC Magnetic Air RGB
XFX Radeon RX 9070 XT Mercury OC RGB V2
Supports ATX, EATX, Micro ATX, Mini ITX form factors. 20 compatible motherboards found.
Gigabyte GA-F2A55M-DS2
Gigabyte GA-AX370M-Gaming 3
Intel DZ68BC
Gigabyte GA-H81M-DS2
MSI B85M-E45
Gigabyte GA-B85M-HD3
Gigabyte H410M S2 V3
ASUS P8H61-M LX PLUS R2.0
ASUS P5G41T-M LX PLUS
Gigabyte GA-H61M-DS2
Use this case in a custom build or let our wizard pick the best components for you.