# Intel Core i9-9900X X-Series Processor 10 Cores up to 4.4GHz Turbo Unlocked LGA2066 X299 Series 165W Processors (999AC5)

- Category: Processor
- Brand: Intel
- Model: Core i9-9900X
- Part number: BX80673I99900X
- Price (US): $499.99
- Price last checked: 2026-08-05
- Rating: 4.5/5 from 64 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/processor/intel-core-i9-9900x-bx80673i99900x/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Intel |
| Model | Core i9-9900X |
| Cores / Threads | 10 / 20 |
| Speed (Base / Turbo) | 3.5 GHz / 4.5 GHz |
| Memory Type | DDR4 - 2666 MHz |
| Socket Type | LGA 2066 |
| L3 Cache | 19.25 MB |
| TDP | 165 W |
| Unlocked | Yes |
| Graphics | None |
| Micro Architecture | Skylake |

## Key Features

- 10 Cores/20 Threads
- 3.50 GHz up to 4.40 GHz Max Turbo Frequency/19.25 MB Cache
- Quad DDR4 2666 Memory channels. Enhanced Intel SpeedStep Technology feature is available
- Compatible only with Motherboards based on Intel x299 chipsets
- Intel Optane Memory supported

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