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Silver rectangular server processor with gold contact pads and green substrate

HPE

HPE Xeon Silver 4208 2.10 GHz 8-Core 85W P02491-B21 server processor

SKU CH-APGM-J9HRR MPN P02491-B21

8-core Cascade Lake server CPU with 16 threads, 11 MB L3 cache and 85 W TDP for LGA 3647 platforms

  • NameXeon Silver 4208
  • CPU Socket TypeLGA 3647
  • Core NameCascade Lake
  • # of Cores8-Core
  • # of Threads16
  • Operating Frequency2.10 GHz
  • 8-core Cascade Lake architecture handles multi-threaded workloads efficiently
  • 16 threads with Hyper-Threading boost virtualization and container density
  • 11 MB L3 cache reduces latency for data-intensive applications
  • 6-channel DDR4 2400 memory controller maximizes bandwidth for large datasets
  • 85 W TDP balances performance with power-constrained server environments

Server Processor for ProLiant DL380 Gen10

The HPE Xeon Silver 4208 is an 8-core, 16-thread server processor built on 14 nm Cascade Lake architecture. It operates at a 2.10 GHz base frequency with a maximum turbo frequency of 3.20 GHz. The kit is designed for the LGA 3647 socket in HPE ProLiant DL380 Gen10 systems.

85W Thermal Design Power

With a thermal design power of 85W, the processor maintains a moderate power envelope for dense server deployments. The 14 nm manufacturing process supports efficient thermal characteristics under typical workloads. Six-channel DDR4 2400 memory control distributes memory traffic without excessive controller power draw.

Sustained Load Behaviour

Under sustained load the 11MB L3 cache and 48 PCI Express 3.0 lanes help maintain throughput for virtualised and multi-threaded applications. Hyper-Threading across 16 threads keeps execution units fed during prolonged compute tasks. The 85W limit constrains peak turbo duration, so clock speeds settle to levels the platform cooling can sustain continuously.

Highlights

  • 8-core Cascade Lake architecture handles multi-threaded workloads efficiently
  • 16 threads with Hyper-Threading boost virtualization and container density
  • 11 MB L3 cache reduces latency for data-intensive applications
  • 6-channel DDR4 2400 memory controller maximizes bandwidth for large datasets
  • 85 W TDP balances performance with power-constrained server environments

Specifications

BrandHPE
SeriesIntel Xeon Silver
NameXeon Silver 4208
ModelP02491-B21
CPU Socket TypeLGA 3647
Core NameCascade Lake
# of Cores8-Core
# of Threads16
Operating Frequency2.10 GHz
Max Turbo Frequency3.20 GHz
L3 Cache11MB
64-Bit SupportYes
Hyper-Threading SupportYes
Manufacturing Tech14 nm
Integrated Memory Controller SpeedDDR4 2400
Memory Channel6 Channel
Virtualization Technology SupportYes
PCI Express Revision3.0
Max # of PCI Express Lanes48
Thermal Design Power85W
Shipping weight1.27 kg
Package size292 × 191 × 175 mm

Questions about this item

How is the LGA 3647 processor installed in a ProLiant DL380 Gen10 and what step is often missed?

Align the triangle markers on the CPU and socket, lower the load plate, then torque the four captive screws in a cross pattern to the specified value; skipping the cross-pattern tightening is the common error.

What maintenance or replacement will the Xeon Silver 4208 need during its service life?

The processor itself has no user-serviceable parts; plan to replace thermal paste and inspect the heatsink retention mechanism whenever the cooler is removed for cleaning or upgrade.

What limit appears first when the 85W TDP chip runs sustained workloads at 2.10 GHz base frequency?

The 85W thermal design power becomes the binding constraint; the cooling solution must dissipate that heat continuously to prevent throttling before turbo limits are reached.

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