450mm GPU Clearance, Dual 420mm Watercooling, and Zero Glass: Chieftec Launches the ATLAS BA-30B-OP E-ATX Workstation Case
While much of the consumer PC case market continues to wrap every chassis in panoramic tempered glass and RGB light strips, Chieftec is taking a decidedly utilitarian route with the official launch of the ATLAS (model BA-30B-OP). First previewed at the company's Berlin booth during IFA 2026, this full-tower E-ATX workstation chassis trades fragile glass panels for solid steel, high-volume airflow, and serious multi-GPU hardware clearance.
0.7mm SPCC Steel, 76.6-Liter Footprint, and 450mm GPU Clearance
Measuring a commanding 560 × 248 × 552 mm (D × W × H),which translates to roughly 76.6 liters of internal volume and a net weight of 11.68 kg (13.67 kg boxed),the Chieftec ATLAS is built around a 0.7 mm SPCC steel frame finished in matte black. Where mainstream desktop releases increasingly focus on showcase aesthetics, such as NZXT's recent H7 and H5 curved-glass case overhaul, the BA-30B-OP prioritizes structural rigidity and under-desk acoustic durability.
Inside, the motherboard tray supports everything from compact Mini-ITX and Micro-ATX boards up to full ATX and E-ATX workstation platforms. Hardware clearance is generous across every axis: builders get up to 450 mm of graphics card length, up to 178 mm of CPU tower cooler height, and up to 180 mm for standard ATX power supplies. That 450 mm runway ensures effortless installation for the largest enterprise accelerators and massive custom GeForce RTX 5090 graphics cards without sacrificing front cooling.
Chieftec ATLAS (BA-30B-OP) , E-ATX Full-Tower Workstation Case
- 0.7mm SPCC steel E-ATX chassis (560 × 248 × 552 mm, 11.68 kg net weight)
- 4 pre-installed 140mm PWM fans + dedicated 120mm PCIe fan bracket
- Dual 420mm liquid-cooling radiator support (front and top panels)
- Up to 450mm GPU length, 8 PCIe expansion slots, and up to 5x 3.5-inch HDDs
Four Pre-Installed 140mm PWM Fans, Dual 420mm Radiators, and Active PCIe Cooling
Rather than shipping as a bare metal shell, the ATLAS arrives from the factory with four pre-installed 140 mm PWM fans,three mounted behind the slatted vertical high-airflow front fascia and one 140 mm exhaust unit at the rear. For high-TDP liquid cooling loops or heavy all-in-one coolers, both the front and top panels accommodate 240 mm, 280 mm, 360 mm, or full 420 mm radiators.
The clearest indicator of its workstation pedigree is found around the 8 PCIe expansion slots. Chieftec includes an integrated PCIe fan bracket that holds an additional 120 mm fan aimed directly at the expansion cards, actively flushing out the thermal dead zone that forms between stacked dual-GPU setups during local AI training, 3D rendering, or heavy compute loads. Builders can also mount three 120 mm fans atop the PSU shroud, plus up to three 120 mm (or two 140 mm) fans along the side bracket when the E-ATX backplate is removed.
Five 3.5-Inch Drive Bays and Top-Mounted 10Gbps USB-C I/O
Unlike glass mid-towers that strip away drive cages, the BA-30B-OP retains the storage density required for local media servers and production rigs:
- High-capacity hybrid storage: supports up to five 3.5-inch HDDs alongside one 2.5-inch SSD.
- All-flash configuration: supports up to six 2.5-inch SSDs across internal mounting points.
- Workstation-ready top I/O: features one USB 3.2 Gen 2 Type-C port, two USB 3.0 ports, two USB 2.0 ports (ideal for 2.4 GHz wireless dongles and hardware security keys), and HD Audio jacks.
- Maintenance & warranty: includes a removable magnetic bottom dust filter, full screw accessory kit, and a 24-month manufacturer warranty.
Already listed across European retail channels under EAN code 0753263079596 between €122.90 and €134.90 (roughly $135 to $145 USD), the Chieftec ATLAS delivers rare 420 mm radiator and multi-GPU capacity at an aggressive mid-range price point.
My Take on the Spec Sheet
At a time when almost every full-tower case capable of housing dual 420 mm radiators easily clears the $200 mark, I appreciate how Chieftec kept the ATLAS BA-30B-OP focused purely on thermal engineering and storage density. Getting four pre-installed 140 mm PWM fans, five 3.5-inch drive bays, 450 mm of GPU clearance, and a dedicated 120 mm PCIe airflow bracket in a no-nonsense steel enclosure checks all the right boxes for an under-desk workstation or stealth gaming rig. We have not yet had a physical unit on our desk, so if the manufacturer's team would like to send over a review sample so we can put it through our full real-world testing protocol, our lab doors are wide open.
PC hardware enthusiast and competitive gamer, Arthur 'Heimdall' splits his time between France and the UK working in enterprise B2B software solutions. A business school graduate passionate about component benchmarking, he has been building, modding, and tuning PCs since childhood, optimizing every thermal degree and millisecond of display latency. An avid gamer across Assassin's Creed and sandbox titles, he forged his alliance with Grimtag and Chaya during late-night World of Warcraft raids before joining Pro-Gamer.
