Jonsbo
JONSBO CB40 Black CPU Cooler
Bottom line: The JONSBO CB40 Black CPU Cooler is a specs-and-price decision rather than a crowd-consensus one in the cooling & fans category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ Backed by Jonsbo's warranty and support channels
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
SpecPicks Verdict
SpecPicks scored JONSBO CB40 Black CPU Cooler using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. Jonsbo's cooling & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for cooling & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- JONSBO CB40 Black CPU Cooler features architecture with ARGB FAN- Mute Series air cooling technology. The top cover features a classic round hole pattern arranged neatly, with a metal-textured nameplate embedded and offset long strip-infinity mirror accents, creating a simple yet appropriately 3D lighting effect.
- 【High-performance composite heat pipe】Cooling Performance: Advanced heatsink with 6 copper heat pipes （Inverse Gravity Heat Pipe Nickel-plated heat pipe with anti-oxidation ）radiator delivering up to 225W D-TDP cooling capacity
- 【CPU Fan Specifications】: 120mm PWM fan（9-blade Fan / Simple Appearance） with efficient airflow and precise speed control for optimal thermal management
- 【Compact Dimensions】: CPU cooler height of 153.5mm ensures compatibility with most PC cases while maintaining cooling efficiency.
- 【Wide Compatibility:】 Supports multiple CPU sockets including AM5, AM4, Intel LGA115X, 1200, 1700, and 1851 platforms cooler
- 【ARGB Cooler Fan Features】: Customizable ARGB lighting effects enhance the visual aesthetics of your PC build
Full Specifications
| Brand | Jonsbo |
|---|---|
| Model | CB40 Black |
| Wattage | 225 watts |
| Unit Count | 1 Count |
| Noise Level | 35.4 db |
| Part Number | CB40 |
| Compatibility | PC |
| Cooling Method | forced air |
| Number of Items | 1 |
| Silent Operation | Mute series technology provides efficient cooling while maintaining low noise levels.CPU Air cooler fan ,balanced fan blade,Converge the air intake. |
| Compatible Devices | AM5, AM4, Intel LGA115X, 1200, 1700, and 1851 |
| Power Connector Type | Fan 4-Pin PWM / LED 3-Pin ARGB |
| 【Wide Compatibility | 】 Supports multiple CPU sockets including AM5, AM4, Intel LGA115X, 1200, 1700, and 1851 platforms cooler |
| Maximum Rotational Speed | 1800 rpm |
| Full listing title | JONSBO CB40 Black CPU Cooler,ARGB Mute Series air Cooling,CPU Fan H153.5mm,120mm PWM Fan air Cooler,4 Copper Heat Pipes Radiator, AM5/AM4/Intel LGA115X/1200/1700/1851,D-TDP 225W |
Ready to buy?
JONSBO CB40 Black CPU Cooler,ARGB Mute Series air Cooling,CPU Fan H153.5mm,120mm PWM Fan air Cooler,4 Copper Heat Pipes Radiator, AM5/AM4/Intel LGA115X/1200/1700/1851,D-TDP 225W is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
Related Cooling & Fans
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best 1440p Gaming GPUs in 2026
- Best Retro Handhelds in 2026 — From $35 to $500
- How to Build a Windows 98 Retro PC in 2026
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
More reviews from the SpecPicks archive
Browse all reviews →- The vLLM MCP Vulnerability: What Local LLM Operators Need to Do
- Best AMD Ryzen CPU for Gaming in 2026: 5 Picks Compared
- Sega Genesis Mini vs SNES Classic: The Definitive 2026 Plug-and-Play Retro Showdown
- Open WebUI on a Raspberry Pi 4, Inference on an RTX 3060: The Split-Brain Home LLM Stack
- Best Gaming Mouse for Warzone & FPS Esports in 2026
- Best GPU for Ollama Under $300: Why 12GB Beats a Faster 8GB Card
- Raspberry Pi 4 8GB as a Headless Local-LLM Sidecar: llama.cpp Tuning, Quantization Matrix, and Real tok/s
- Ryzen 5 5600G vs Intel i7-9700K for Budget Gaming in 2026
- Is 8GB RAM Enough in 2026? A Real-World Performance Analysis
- Qwen3.6 35B-A3B Just Cleared FoodTruck-Bench: What the MoE Sparse Path Means for 12GB Cards
- Best Wireless Gaming Controller for PC and Console (2026)
- Sound Blaster Audigy FX in a Period-Correct WinXP Build: 2026 Install and Tuning Guide
- Best Webcam for Twitch Streaming Under $100 in 2026
- 7800X3D vs 5700X3D: Is the AM5 Upgrade Worth It?
- Bezos-Backed Prometheus Raises $12B at $41B: The Local-vs-Cloud Question
- CPU Fan Angled Left on a New Prebuilt: Normal or Not?
- Minimal Raspberry Pi 5 Case: Friction-Fit 3D Printing Guide
- Troubleshooting Local LLM Inference on Raspberry Pi 4 8GB and Pi 5: OOM, Swap, Quantization Crashes, and…
- Intel llm-scaler-vllm 1.4: What Arc Pro B70 Support Means for Sub-$1500 Local Inference
- Best Capture Device for Recording Retro Consoles and Old PCs in 2026
- When Does a Homelab Become a Job?
- NVIDIA Nemotron 3 Ultra (550B/55B-Active): What a 12GB Rig Can Run
- The Adder at the Heart of Intel's 8087 Math Coprocessor
- Samsung Odyssey 4K vs KOORUI 27" 4K Mini-LED: Which Wins?
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090