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Intel Xeon 6 6521P server processor in green ceramic package with gold contacts

Intel

Intel Xeon 6 6521P 24-Core 2.6 GHz 144MB PK8072006347700

SKU CH-7AX7-BEYE7 MPN PK8072006347700

24-core server processor with 48 threads, 144 MB cache and DDR5-6400 support for single-socket platforms

  • Product nameXeon 6521P
  • CPU cores24-Core
  • CPU socketFCLGA 4710
  • Maximum turbo clock4.1 GHz All Core Turbo Frequency 4.1 GHz
  • TDP rating225 W
  • Processor codenameGranite Rapids
  • 24 cores and 48 threads handle heavy parallel workloads
  • 1 GHz all-core turbo sustains high frequency across every core
  • 144 MB L3 cache keeps large datasets close to the compute units
  • DDR5 6400 memory controller supports up to 4 TB of system memory
  • 136 PCIe 5.0 lanes provide extensive I/O bandwidth for storage and networking

24-core Xeon 6 for single-socket servers

The Intel Xeon 6 6521P delivers 24 cores and 48 threads in a 3 nm design built for the FCLGA 4710 socket. It targets single-socket servers running virtualised workloads, database instances and high-performance compute where thread density and memory bandwidth matter. Cooling is not included.

DDR5-6400 memory controller with 136 PCIe 5.0 lanes

The integrated controller supports DDR5 at 6400 MT/s up to 4 TB total capacity across the platform. The 136 lanes of PCI Express 5.0 provide I/O headroom for storage arrays, accelerators and high-speed networking without stepping down to earlier revisions.

144 MB L3 cache and 225 W TDP

A 144 MB shared L3 cache feeds all 24 cores at 2.6 GHz base and 4.1 GHz all-core turbo, keeping latency-sensitive tasks fed. The 225 W thermal design power sets the cooling budget; workloads that sustain all-core turbo will need a solution rated for that envelope.

How it compares

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

Price $1,140.99
Cheaper than about 57% of the 621 comparable items (median $1,561.99).
CPU cores 24-Core
Typical for this category: the median of 386 items is 24.
Maximum turbo clock 4.1 GHz All Core Turbo Frequency 4.1 GHz
Higher than about 70% of the 327 comparable items (median 3.9 GHz).

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Specifications

Product
Brand nameIntel
Product lineXeon 6
Model namePK8072006347700
Product nameXeon 6521P
Performance
Working frequency2.6 GHz
Processor
CPU cores24-Core
CPU socketFCLGA 4710
Maximum turbo clock4.1 GHz
All Core Turbo Frequency 4.1 GHz
TDP rating225 W
Processor codenameGranite Rapids
CPU threads48
Level 3 cache144 MB
64-bit capableYes
Hyper-ThreadingYes
Process node3 nm
Virtualization supportYes
CPU socket scalability1S Only
Maximum PCIe lanes136
Memory
Supported memory speedDDR5 6400
Max supported memory4 TB
Ports & slots
PCIe generation5.0
Size & build
Shipping weight0.14 kg
Package size83 × 64 × 13 mm
In the box
Included coolerNot included - Processor Only
More details
Multimedia instructionIntel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512, Intel AMX

Questions about this item

Should I pick the 24-core 6521P or a higher-core Xeon 6 model?

Choose the 24-core 6521P when your workloads need strong single-thread performance at 4.1 GHz all-core turbo with 144 MB L3 cache, and you are building a single-socket server limited to 136 PCIe 5.0 lanes.

What does the 2.6 GHz base frequency deliver in a real server?

The 2.6 GHz base frequency guarantees sustained 24-core throughput at 225 W TDP, while the 4.1 GHz all-core turbo lifts burst performance for latency-sensitive tasks without exceeding the same power envelope.

How does the FCLGA 4710 socket and PCIe 5.0 x136 affect expansion?

The FCLGA 4710 platform provides 136 PCI Express 5.0 lanes directly from the CPU, enabling high-density GPU, storage and networking cards at full Gen 5 speed in a single-socket design.

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