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 Specification 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 configured 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 Specification, Version 2.0
•
Integrated Clock Controller / Real Time Clock Controller
•
Intel® High Definition 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