Dell PowerEdge R940 - Processor Installation; Chipset Overview

Processor levels Features
• Intel® AVX-512 (11512-bit FMA)
• 48 lanes PCIeGen3
• Advanced RAS
Table 5. Feature comparison table
Feature 81xx-Platinum 61xx-Gold 51xx-Gold
Number of UPI links 3 3 2
UPI speed 10.4 GT/s 10.4 GT/s 10.4 GT/s
Supported topologies 3 UPI: 2S-2UPI,2S-3UPI,
4S-2UPI, 4S-3UPI, 8S-3UPI
3 UPI: 2S-2UPI,2S-3UPI,
4S-2UPI, 4S-3UPI
2S-2UPI,4S-2UPI
Node Controller Support Yes Yes No
Number of memory
channels
6 6 6
DDR4 speed 2666 2666 2400
Memory capacity 768 GB, 1.5 TB-SKUs: 8180,
8176, 8170, and 8160
768 GB, 1.5 TB-SKUs: 6140,
6134, and 6142
768 GB
Processor installation
For processor installation instructions, see the Dell PowerEdge R940 Hardware Owner's Manual
Chipset
The Intel C620 PCH provides extensive I/O support. Functions and capabilities include:
• ACPI Power Management Logic Support, Revision 4.0a
• PCI Express* Base Specication Revision 3.0
• Integrated Serial ATA host controller, supports data transfer rates of up to 6 Gb/s on all ports.
• xHCI USB controller with SuperSpeed USB 3.0 ports
• Direct Media Interface
• Enhanced Serial Peripheral Interface
• Flexible I/O—Allows some high speed I/O signals to be congured as PCIe* root ports, PCIe* uplink for use with certain PCH SKUs,
SATA (and sSATA), or USB 3.0.
• General Purpose Input Output (GPIO)
• Low Pin Count interface, interrupt controller, and timer functions
• System Management Bus Specication, Version 2.0
• Integrated Clock Controller / Real Time Clock Controller
• Intel® High Denition Audio and Intel® Smart Sound Technology
• Integrated 10/1 Gb Ethernet
• Integrated 10/100/1000 Mbps Ethernet MAC
• Supports Intel Rapid Storage Technology Enterprise
• Supports Intel Active Management Technology and Server Platform Services
• Supports Intel Virtualization Technology for Directed I/O
• Supports Intel Trusted Execution Technology
Processor
15