Hardware Spec Index

Altrix CX-8558 Plus 8-Core AM5 Desktop Processor

Processors · Altrix · SKU CX8558-PLUS · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index29,448 (Processors scale)
Category rank#43,899
Street price$219
Power120 W (TDP)
Performance per dollar134.47
Released2026

Specifications

BrandAltrix
ModelAltrix CX-8558 Plus
SocketAM5
Cores / threads8 cores / 16 threads
Base clock4.2 GHz
Max boost clock5.1 GHz
L3 cache32 MB
Power120 W TDP (PPT 162 W)
Memory supportDDR5-5600, dual channel (EXPO)
CPU PCIe lanes28× PCIe 5.0 (24 usable)
Integrated graphicsIntegrated graphics (2 CU)
Unlocked multiplierYes
Cooler includedNo

Related guides

AMD AM5 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedAMD AM5 Chipsets Compared

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Cite this page: Hardware Spec Index, “Altrix CX-8558 Plus 8-Core AM5 Desktop Processor”, https://vextor7.com/item/35304700 (accessed 2026-10-25).