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Intel

Intel Xeon 658X 24-Core 3.0 GHz LGA 4710 250W Server Processor BX80720658X

SKU CH-80FD-NTKKP MPN BX80720658X

24-core server CPU with 3.0 GHz base clock, 4.9 GHz turbo, 144MB L3 cache, 48 threads and DDR5-6400 eight-channel memory support

  • NameXeon 658X
  • CPU Socket TypeLGA 4710
  • Core NameGranite Rapids
  • # of Cores24-Core (24P+0E)
  • # of Threads48
  • Operating Frequency3.0 GHz
  • 24 performance cores with Hyper-Threading deliver 48 threads for parallel workloads
  • 0 GHz base clock and 4.9 GHz max turbo boost single-thread speed
  • 144 MB L3 cache reduces latency for large data sets
  • 8-channel DDR5 6400 MHz controller supports up to 4 TB memory capacity
  • 128 PCIe 5.0 lanes provide high-bandwidth I/O for accelerators and storage

Xeon 658X 24-core server processor

The Intel Xeon 658X is a 24-core server CPU built for single-socket platforms that need high thread density. It delivers 48 threads at a 3.0 GHz base frequency and targets compute-heavy workloads such as virtualisation, database serving and high-performance computing. The processor uses the LGA 4710 socket and the Intel 3 manufacturing process.

LGA 4710 socket and 1S-only scalability

This processor fits only motherboards with the LGA 4710 socket and supports single-socket operation. It cannot be used in dual-socket or multi-socket configurations. The platform provides eight DDR5 memory channels running at 6400 MHz and up to 128 PCI Express 5.0 lanes for high-bandwidth I/O.

250 W base power with 300 W max turbo power

Under sustained load the CPU operates at its 250 W thermal design power, while short bursts can reach 300 W. The 144 MB L3 cache helps maintain throughput during extended compute tasks. Cooling solutions must be rated for at least the base power level to keep frequencies stable over long periods.

Highlights

  • 24 performance cores with Hyper-Threading deliver 48 threads for parallel workloads
  • 0 GHz base clock and 4.9 GHz max turbo boost single-thread speed
  • 144 MB L3 cache reduces latency for large data sets
  • 8-channel DDR5 6400 MHz controller supports up to 4 TB memory capacity
  • 128 PCIe 5.0 lanes provide high-bandwidth I/O for accelerators and storage

Specifications

BrandIntel
SeriesXeon 6
NameXeon 658X
Part NumberBX80720658X
CPU Socket TypeLGA 4710
Core NameGranite Rapids
# of Cores24-Core (24P+0E)
# of Threads48
Operating Frequency3.0 GHz
Max Turbo FrequencyMax Turbo Frequency: 4.9 GHz
Intel Turbo Boost Max Technology 3.0 Frequency: 4.9 GHz
Intel Turbo Boost Technology 2.0 Frequency: 4.7 GHz
L3 Cache144MB
64-Bit SupportYes
Hyper-Threading SupportYes
Manufacturing TechIntel 3
Integrated Memory Controller SpeedDDR5 6400MHz
Maximum Memory Capacity4TB
Memory Channel8 Channel
Virtualization Technology SupportYes
Scalability1S Only
PCI Express Revision5.0
Max # of PCI Express Lanes128
Multimedia InstructionIntel SSE4.1, Intel AMX, Intel SSE4.2, Intel AVX2, Intel AVX-512
Thermal Design Power250W
Max Turbo Power300W
Shipping weight0.27 kg
Package size135 × 114 × 46 mm

Questions about this item

What does the 3.0 GHz base clock mean once the Xeon 658X is installed in a server?

The processor runs at 3.0 GHz under sustained load across all 24 performance cores; Turbo Boost 2.0 can lift it to 4.7 GHz and Turbo Boost Max 3.0 to 4.9 GHz when thermal headroom allows.

How does the PCI Express 5.0 interface with 128 lanes cap expansion in practice?

The 128 lanes of PCIe 5.0 provide the total I/O bandwidth; add-in cards and other devices share this pool, so lane allocation determines how many devices run at full speed.

What does the LGA 4710 socket and 250 W TDP require for physical installation and cooling?

The CPU needs an LGA 4710 server motherboard and a cooler rated for at least 250 W base power, with headroom for the 300 W max turbo power during peak loads.

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