Hardware Spec Index

Altrix CX-3999 Edge 20-Core LGA1700 Desktop Processor

Processors · Altrix · SKU CX3999-EDGE · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index34,107 (Processors scale)
Category rank#2,406
Street price$339
Power125 W (TDP)
Performance per dollar100.61
Released2021

Specifications

BrandAltrix
ModelAltrix CX-3999 Edge
SocketLGA1700
Cores / threads20 cores (8P + 12E) / 28 threads
Base clock3.6 GHz
Max boost clock5.2 GHz
L3 cache36 MB
Power125 W base / 253 W max turbo
Memory supportDDR5-5600 or DDR4-3200, dual channel
CPU PCIe lanes16× PCIe 5.0 + 4× PCIe 4.0
Integrated graphicsNone (F model)
Unlocked multiplierNo
Cooler includedNo

Related guides

Intel LGA1700 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedAMD AM5 Socket

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Cite this page: Hardware Spec Index, “Altrix CX-3999 Edge 20-Core LGA1700 Desktop Processor”, https://vextor7.com/item/21248950 (accessed 2026-10-24).