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Intel Xeon Gold 5218 processor in LGA 3647 socket with metallic heat spreader and green substrate

Intel

Intel Xeon Gold 5218 16-Core Server Processor BX806955218

SKU CH-PJEH-ZF11Z MPN BX806955218

16-core server processor with 32 threads, 2.3 GHz base clock, 3.90 GHz max turbo, 22MB L3 cache, six memory channels at 2667 MHz, 48 PCIe 3.0 lanes and 125W TDP

  • NameXeon Gold 5218
  • CPU Socket TypeLGA 3647
  • Core NameCascade Lake
  • # of Cores16-Core
  • # of Threads32
  • Operating Frequency2.3 GHz
  • 16 cores and 32 threads handle heavy parallel workloads
  • 3 GHz base clock with 3.90 GHz max turbo frequency scales performance
  • 22 MB L3 cache reduces latency for data-intensive tasks
  • 6 memory channels at 2667 MHz deliver high bandwidth
  • 48 PCIe 3.0 lanes support extensive I/O expansion

16-Core Xeon Gold 5218

The Intel Xeon Gold 5218 is a 16-core server processor built for data-centre and hybrid-cloud workloads. It delivers 32 threads through Hyper-Threading support and runs on the LGA 3647 platform using 14 nm Cascade Lake architecture.

2.3 GHz base with 3.90 GHz turbo

The operating frequency sits at 2.3 GHz and can reach a maximum turbo frequency of 3.90 GHz, defining the compute throughput available for demanding applications. This clock range, combined with 22 MB of L3 cache, determines whether the chip matches a specific performance envelope.

Six-channel memory and 48 PCIe 3.0 lanes

An integrated memory controller supports six channels at 2667 MHz, while the processor exposes up to 48 PCI Express 3.0 lanes for high-bandwidth I/O. The 125 W thermal design power sets the cooling requirement, and the LGA 3647 socket dictates the motherboard platform needed for deployment.

Highlights

  • 16 cores and 32 threads handle heavy parallel workloads
  • 3 GHz base clock with 3.90 GHz max turbo frequency scales performance
  • 22 MB L3 cache reduces latency for data-intensive tasks
  • 6 memory channels at 2667 MHz deliver high bandwidth
  • 48 PCIe 3.0 lanes support extensive I/O expansion

Specifications

BrandIntel
SeriesIntel Xeon Gold
NameXeon Gold 5218
ModelBX806955218
CPU Socket TypeLGA 3647
Core NameCascade Lake
# of Cores16-Core
# of Threads32
Operating Frequency2.3 GHz
Max Turbo Frequency3.90 GHz
L3 Cache22MB
64-Bit SupportYes
Hyper-Threading SupportYes
Manufacturing Tech14 nm
Integrated Memory Controller Speed2667 MHz
Memory Channel6 Channel
Virtualization Technology SupportYes
PCI Express Revision3.0
Max # of PCI Express Lanes48
Thermal Design Power125W
Shipping weight0.19 kg
Package size137 × 114 × 46 mm

Questions about this item

What does the 2.3 GHz base clock mean for a server running steady workloads?

The processor runs at 2.3 GHz on all 16 cores under sustained load, giving predictable throughput for database or virtualization tasks without relying on turbo behaviour.

How does the PCIe 3.0 interface with 48 lanes affect expansion options?

PCIe 3.0 with 48 lanes provides high-bandwidth connectivity for multiple add-in cards such as storage controllers or network adapters in a dual-socket server board.

What cooler clearance and socket hardware does the LGA 3647 package require?

The LGA 3647 socket uses a narrow ILM retention mechanism and needs a heatsink rated for 125 W TDP with the matching mounting pattern for 1U or 2U server chassis.

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