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Square green printed circuit board with gold contact pads and silver metal heat spreader marked Ampere Altra Q32-17

Ampere

Ampere Altra Q32-17 server processor 32-core 1.7 GHz LGA 4926 AC-103206502

SKU CH-342S-3522K MPN AC-103206502

32-core Arm server processor running at a consistent 1.7 GHz with 128 PCIe 4.0 lanes, eight-channel DDR4-3200 memory support and a 40 W power envelope

  • Product nameAmpere Altra
  • CPU cores32-Core
  • CPU socketLGA 4926
  • CPU threads32
  • Working frequency1.7 GHz
  • L1 cache size64K Instruction and 64K Data per Core
  • Consistent 1.7 GHz frequency for predictable cloud performance
  • 32 single-threaded cores eliminate noisy-neighbour contention
  • 8-channel DDR4-3200 with ECC scales to 4 TB memory
  • 128 PCIe 4.0 lanes plus optional 64-lane CCIX for dense I/O
  • TSMC 7 nm FinFET process delivers 40 W average power

Product identity

The Ampere Altra Q32-17 is a 32-core server processor operating at a consistent 1.7 GHz. It uses the LGA 4926 socket and is built on TSMC 7 nm FinFET technology with an average power draw of 40W.

Suitability

This processor suits cloud-native deployments that need high core counts, predictable frequency scaling and 128 lanes of PCIe Gen4 connectivity. It is not suited for workloads requiring higher per-core clock speeds or instruction-set architectures other than the 64-bit Arm implementation used here.

Deciding specification

The consistent 1.7 GHz frequency across all 32 cores determines whether this part matches a given workload. Buyers should verify that their software scales effectively at this fixed clock rate before selecting the Q32-17.

How it compares

Measured against everything we stock in Server Processors, at today’s prices. Recalculated every night.

Price $607.99
Cheaper than about 70% of the 621 comparable items (median $1,561.99).
CPU cores 32-Core
Higher than about 60% of the 386 comparable items (median 24).

New to this? Buying a processor with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameAmpere
Product lineAmpere Altra Family
Model nameQ32-17
Product nameAmpere Altra
Performance
Working frequency1.7 GHz
Processor
CPU cores32-Core
CPU socketLGA 4926
CPU threads32
L1 cache size64K Instruction and 64K Data per Core
Level 2 cache1 MB per Core
64-bit capableYes
Process nodeTSMC 7 nm FinFET
Virtualization supportYes
Maximum PCIe lanes128 Lanes PCIe Gen4 (optional 64 lane CCIX for multi-socket support)
Average CPU power40 W
Memory
Supported memory speedDDR4 3200
Max supported memoryUp to 16 DIMMs (2DPC) and 4 TB total memory
Channel configuration8 Channel
Ports & slots
PCIe generation4.0
Size & build
Shipping weight0.91 kg
Package size203 × 178 × 127 mm

Questions about this item

Will the TSMC 7 nm FinFET silicon or the LGA 4926 socket require periodic maintenance or replacement?

The processor is a fixed silicon component with no moving parts; the LGA 4926 socket is mounted on the server board and neither item has a scheduled replacement interval.

Under sustained load, does the 40 W average power envelope or the consistent 1.7 GHz frequency become the limiting factor first?

The processor maintains its 1.7 GHz frequency within the 40 W average power envelope, so the power budget is the design limit that governs sustained operation.

What noise, heat or power characteristics appear when the 32-core chip runs all day at its 40 W average power?

At 40 W average power the thermal output is modest for a 32-core server CPU; a standard server heatsink and fan assembly handles the heat with typical data-centre airflow and acoustics.

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