Intel Xeon Gold 6226R 16-Core Processor — SRGZC (S-Spec)

The Intel Xeon Gold 6226R (S-Spec: SRGZC) is a 16-core 32-thread 2nd Generation Intel Xeon Scalable processor (Cascade Lake Refresh) operating at 2.90GHz base frequency with 22MB L3 cache on LGA3647 socket. SRGZC is the S-Spec identifier corresponding to OEM ordering code CD8069504449000. The R suffix denotes the Cascade Lake Refresh variant with improved price-performance over the original 6226 delivering strong per-core performance for enterprise virtualization database and compute workloads.

Key Features

• 16 cores / 32 threads — strong core density with high base frequency
• S-Spec SRGZC — OEM tray identifier for Xeon Gold 6226R
• 2.90GHz base frequency — R-refresh improved price-performance
• 22MB L3 cache
• Socket LGA3647 — 2nd Gen Xeon Scalable platform
• DDR4 ECC memory support — up to 6 channels per socket
• Intel DL Boost (VNNI) for AI inference acceleration

Product Specifications

• Part Number: SRGZC
• Manufacturer: Intel
• OEM Status: OEM Tray (S-Spec identifier)
• S-Spec: SRGZC
• OEM Ordering Code: CD8069504449000
• Model: Xeon Gold 6226R
• Generation: 2nd Gen Intel Xeon Scalable Refresh (Cascade Lake Refresh)
• Cores / Threads: 16 / 32
• Base Frequency: 2.90GHz
• L3 Cache: 22MB
• Socket: LGA3647

Processor Specifications

• Cores: 16
• Threads: 32
• Base Clock: 2.90GHz
• Max Turbo: Up to 3.9GHz
• L3 Cache: 22MB
• Socket: LGA3647
• Process Node: 14nm (Cascade Lake)
• Generation: Cascade Lake Refresh
• TDP: 150W

Performance Specifications

• Memory Support: DDR4-2933 ECC up to 6 channels per socket
• PCIe: PCIe 3.0
• Intel DL Boost: Yes (VNNI)
• AVX-512: Yes

Use Cases

• Enterprise virtualization on existing LGA3647 server platforms
• Database servers requiring high base frequency with 16-core density
• General enterprise compute and application server workloads
• AI inference leveraging Intel DL Boost (VNNI)
• Dual-socket deployments requiring 32 total cores at 2.90GHz

Compatibility

• LGA3647 socket — 1st and 2nd Gen Intel Xeon Scalable platform servers
• Compatible with DDR4 ECC RDIMM and LRDIMM
• Verify server platform support from vendor CPU compatibility list
• Not compatible with LGA4677 (3rd/4th/5th Gen Xeon Scalable) platforms

Frequently Asked Questions

What is the difference between SRGZC and CD8069504449000?

SRGZC is the S-Spec tray identifier while CD8069504449000 is the OEM ordering code. Both refer to the same Intel Xeon Gold 6226R processor.

What does the R suffix mean on Xeon Gold 6226R?

The R suffix indicates the Cascade Lake Refresh variant offering improved price-performance compared to the original Xeon Gold 6226 with the same core count and architecture.

Is the Xeon Gold 6226R compatible with 1st Gen Xeon Scalable servers?

The Xeon Gold 6226R (Cascade Lake Refresh) may be compatible with some 1st Gen Xeon Scalable (Skylake-SP) LGA3647 servers with BIOS updates. Verify with your server vendor before installation.

The Intel Xeon Gold 6226R (SRGZC) delivers 16 cores at 2.90GHz with 22MB L3 cache on LGA3647 — identified by S-Spec SRGZC for OEM tray deployments of this Cascade Lake Refresh processor for enterprise virtualization database and compute workloads.