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Intel Xeon Gold 6242 server processor, silver integrated heat spreader, gold contact pads, rectangular LGA 3647 form factor

Intel

Intel Xeon Gold 6242 16-Core 2.80GHz 22MB 150W LGA 3647 server processor

SKU CH-74H1-T46R4

16-core server processor with 32 threads, 22 MB L3 cache, 2.8 GHz base frequency boosting to 3.90 GHz, six memory channels, 48 PCIe 3.0 lanes and a 150 W TDP

  • CPU Socket TypeLGA 3647
  • Core NameCascade Lake
  • # of Cores16-Core
  • # of Threads32
  • Operating Frequency2.8 GHz
  • Max Turbo Frequency3.90
  • 16 cores and 32 threads handle parallel workloads efficiently
  • 80 GHz base with 3.90 GHz turbo adapts to burst demand
  • 22 MB L3 cache keeps hot data close to cores
  • 48 PCIe 3.0 lanes connect high-bandwidth peripherals
  • 6-channel memory controller supports up to 1 TB RAM

16-core Xeon for multi-socket servers

The Intel Xeon Gold 6242 delivers 16 cores and 32 threads at a 2.80 GHz base frequency with a 3.90 GHz maximum turbo. It fits the FCLGA3647 socket and is built on the Cascade Lake core for dual-socket and quad-socket server platforms. The 150 W thermal design power requires adequate server cooling infrastructure.

PCIe 3.0 and six-channel memory limits

This processor provides 48 lanes of PCI Express 3.0 and supports six memory channels up to 2933 MHz. The 10.4 GT/s bus speed connects CPUs in multi-socket configurations. Maximum addressable memory is 1 TB across the populated channels, so very large in-memory workloads may exceed the platform ceiling.

22 MB L3 cache sizing

The shared 22 MB L3 cache is the fixed on-die capacity that determines how much hot data stays close to the 16 cores. Workloads with larger working sets will spill to main memory more often, reducing throughput. No larger cache option exists on this part number.

Highlights

  • 16 cores and 32 threads handle parallel workloads efficiently
  • 80 GHz base with 3.90 GHz turbo adapts to burst demand
  • 22 MB L3 cache keeps hot data close to cores
  • 48 PCIe 3.0 lanes connect high-bandwidth peripherals
  • 6-channel memory controller supports up to 1 TB RAM

Specifications

BrandIntel
SeriesIntel Xeon Gold
Part NumberSRF8Y
CPU Socket TypeLGA 3647
Core NameCascade Lake
# of Cores16-Core
# of Threads32
Operating Frequency2.8 GHz
Max Turbo Frequency3.90
Bus Speed10.4 GT/s
Hyper Transports2933 MHz
L3 Cache22MB
64-Bit SupportYes
Maximum Memory Capacity1 TB
Memory Channel6 Channel
PCI Express Revision3.0
Max # of PCI Express Lanes48
Thermal Design Power150W
Cooling DeviceCooling device not included - Processor Only

Questions about this item

Should I pick the 16-core 2.80 GHz model or a different core count for my workload?

This SKU is a single 16-core, 32-thread Cascade Lake part with 22 MB L3 cache; other core counts are separate model numbers not covered here.

What does the 3.90 GHz max turbo deliver in a real server?

Under heavy load the processor can lift from its 2.8 GHz base to 3.90 GHz on active cores, raising single-thread throughput while staying within the 150 W thermal envelope.

How does the 10.4 GT/s bus and PCIe 3.0 x48 limit expansion?

The 10.4 GT/s UPI links and 48 PCIe 3.0 lanes cap interconnect bandwidth and device connectivity to the levels defined by the Cascade Lake platform.

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