Description
Bitaxe Modern Heatsink — Maximum Thermal Headroom for Extreme Overclocking
The Bitaxe Modern Heatsink is engineered for miners who refuse to leave hashrate on the table. Its advanced fin geometry and optimized thermal architecture are designed for one purpose: keeping your ASIC cool enough to sustain 1000+ MHz frequencies without throttling. If you are pushing your Bitaxe Gamma toward 1.2 TH/s or squeezing every last GH/s out of a Supra or Ultra, this is the heatsink that makes it possible.
Where the stock cooler gives up and the basic heatsinks reach their limits, the Modern Heatsink keeps pulling heat away. Temperature reductions of up to 10°C compared to standard cooling solutions translate directly into higher stable frequencies and longer hardware life.
Specifications
| Spec | Detail |
|---|---|
| Material | Precision-machined aluminum with advanced fin design |
| Footprint | 40 x 40 mm (standard Bitaxe mount) |
| Fin Design | Advanced geometry — maximum surface area for aggressive heat dissipation |
| Thermal Delta | Up to 10°C reduction vs standard cooling solutions |
| Target Use | Extreme overclocking — sustained 1000+ MHz operation |
| Mounting | Direct replacement — includes screws and mounting hardware |
Built for Extreme Overclocking
The Modern Heatsink’s thermal architecture is designed around one scenario: your Bitaxe running flat out, 24/7, at frequencies that would cause thermal throttling with any lesser cooler. Here is what that engineering delivers:
- Sustained 1000+ MHz operation — the thermal headroom to hold extreme frequencies without throttling
- Elimination of thermal throttling — your hashrate stays consistent, not sawtoothing between clocks
- Enhanced VRM cooling — improved airflow over the voltage regulator area addresses the MOSFET thermal bottleneck that limits overclocking
- Extended hardware longevity — cooler components degrade slower, and your ASIC chip will thank you at 50,000 hours
- Reduced thermal resistance — optimized fin geometry channels airflow more efficiently between ASIC and ambient air
Thermal Performance
The advanced fin geometry is not marketing — it is physics. More surface area exposed to airflow means faster heat transfer from die to air. The Modern Heatsink optimizes this with:
- Maximized fin count and spacing — tuned for the airflow speeds typical of 40mm mining fans
- Optimized heat dissipation path — thick base for rapid heat absorption, thin fins for fast dissipation
- Professional thermal interface — flat-lapped base ensures full contact with the ASIC die
- Enhanced airflow channeling — pairs especially well with high-performance fans for maximum cooling
What’s Included
- 1x Bitaxe Modern Heatsink (precision-machined, advanced fin design)
- Mounting hardware (screws and mount)
- Thermal installation guide with overclocking tips
Compatible Miners
| Miner | ASIC Chip | Hashrate | Power Connector |
|---|---|---|---|
| Bitaxe Gamma | BM1370 | Up to 1.2 TH/s | 5V 2.1mm barrel jack |
| Bitaxe Supra | BM1368 | Up to 800 GH/s | 5V 2.1mm barrel jack |
| Bitaxe Ultra | BM1366 | Up to 600 GH/s | 5V 2.1mm barrel jack |
| NerdAxe | BM1366 | Up to 500 GH/s | USB-C |
Not compatible with: Bitaxe Hex (uses dedicated Bitaxe Hex Heatsink), Bitaxe GT, NerdQAxe series.
Modern vs Premium — Which Heatsink Do You Need?
| Feature | Premium ($14.90) | Modern ($19.99) |
|---|---|---|
| Best for | Stock to moderate overclock | Extreme overclocking (1000+ MHz) |
| Fin design | Large fin-surface | Advanced geometry, maximum surface area |
| VRM heatsink included | Yes | No (sold separately) |
| Mounting options | Nylon pins + M3 screws | Screws + mount |
| Thermal delta | Significant improvement over stock | Up to 10°C vs standard cooling |
Short answer: Running at stock to ~950 MHz? The Premium is the best value. Chasing 1000+ MHz and maximum hashrate? The Modern gives you the thermal ceiling to get there.
Frequently Asked Questions
Can I really sustain 1000+ MHz with this heatsink?
The heatsink provides the thermal headroom — but sustained extreme overclocking also depends on your ASIC’s silicon quality (chip lottery), power supply stability, ambient temperature, and airflow. The Modern Heatsink removes thermal throttling as the bottleneck, which is the biggest barrier for most overclockers. Pair it with a quality 5V/6A+ power supply and good airflow for best results.
Does this include a VRM heatsink like the Premium?
No. The Modern Heatsink focuses on maximum ASIC cooling. If you are overclocking aggressively, we recommend adding a small VRM heatsink separately — any 9-10mm aluminum heatsink with thermal adhesive will work on the voltage regulator. Or grab the Premium Heatsink which includes one.
What fan should I pair with this?
For extreme overclocking, use a high-CFM 40mm fan. If noise is not a concern, a fast 40mm fan (6000+ RPM) maximizes the heatsink’s cooling capacity. For a balance of noise and performance, a Noctua NF-A4x20 provides excellent airflow at low noise. The Modern Heatsink’s fin geometry is tuned to take advantage of higher airflow, so a good fan makes a real difference at this level.
Is this compatible with the Bitaxe Modern Stand?
Yes. The Modern Heatsink is designed to work with D-Central’s Bitaxe Modern Stand, which is built around this exact heatsink profile. The stand and heatsink together create a clean, compact overclocking setup.
How does installation work?
Apply a thin layer of thermal paste to the ASIC die, place the heatsink, and secure with the included mounting hardware. The entire process takes under 5 minutes. The flat-lapped base ensures full contact with the die — no shimming or adjustment needed.
Why D-Central
D-Central has been at the forefront of Bitaxe cooling since open-source mining began. We created the original Bitaxe Mesh Stand, developed the first dedicated heatsinks for Bitaxe and Bitaxe Hex, and have tested these products under real overclocking conditions in our own mining setups. The Modern Heatsink exists because we kept pushing our own Bitaxes past what stock cooling could handle — and we built the solution we needed. Every hash counts, especially the ones at 1000+ MHz.
Can I really sustain 1000+ MHz with this heatsink?
The heatsink provides the thermal headroom — but sustained extreme overclocking also depends on your ASIC’s silicon quality (chip lottery), power supply stability, ambient temperature, and airflow. The Modern Heatsink removes thermal throttling as the bottleneck, which is the biggest barrier for most overclockers. Pair it with a quality 5V/6A+ power supply and good airflow for best results.
Does this include a VRM heatsink like the Premium?
No. The Modern Heatsink focuses on maximum ASIC cooling. If you are overclocking aggressively, we recommend adding a small VRM heatsink separately — any 9-10mm aluminum heatsink with thermal adhesive will work on the voltage regulator. Or grab the Premium Heatsink which includes one.
What fan should I pair with this?
For extreme overclocking, use a high-CFM 40mm fan. If noise is not a concern, a fast 40mm fan (6000+ RPM) maximizes the heatsink’s cooling capacity. For a balance of noise and performance, a Noctua NF-A4x20 provides excellent airflow at low noise. The Modern Heatsink’s fin geometry is tuned to take advantage of higher airflow, so a good fan makes a real difference at this level.
Is this compatible with the Bitaxe Modern Stand?
Yes. The Modern Heatsink is designed to work with D-Central’s Bitaxe Modern Stand, which is built around this exact heatsink profile. The stand and heatsink together create a clean, compact overclocking setup.
How does installation work?
Apply a thin layer of thermal paste to the ASIC die, place the heatsink, and secure with the included mounting hardware. The entire process takes under 5 minutes. The flat-lapped base ensures full contact with the die — no shimming or adjustment needed.
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