Product Details:
             DELL EMC POWEREDGE R640 RACK 3.5 INCH LFF 4 BAY HPHD HPPS 3PCIE 1U SERVER CHASSIS - LARGE FORM FACTOR 4B / 4LFF HOT PLUG HARD DRIVE HOT PLUG POWER SUPPLY 
MANUFACTURER: DELL 
PART NUMBER: DELL R640 3.5 3PCI  
NOTE: THIS SERVER IS A 3.5 INCH LFF 4 BAY MODEL. CHASSIS DOES NOT INCLUDE ANY PROCESSORS, MEMORY, STORAGE OR POWER SUPPLIES - PLEASE CONSULT YOUR IT CREATIONS REPRESENTATIVE FOR CUSTOMIZE CONFIGURATIONS 
 PROCESSOR SUPPORT 
MAX NUMBER PROCESSOR CONFIGURATION: UP TO ( 2 ) TWO CPUs 
PROCESSOR SOCKET TYPE: FCLGA3647  
PROCESSOR COMPATIBILITY: 2ND GEN INTEL XEON SCALABLE PROCESSOR SERIES ( CASCADE LAKE ) / 1ST GEN INTEL XEON SCALABLE PROCESSOR SERIES ( SKYLAKE ) 
PROCESSOR CORE COUNT: UP TO 28 CORES PER SOCKET 
PROCESSOR TDP: UP TO 205W 
NOTE:
 
 - PLEASE CONSULT YOUR IT CREATIONS REPRESENTATIVE FOR AVAILABLE OPTIONS 
 MEMORY SUPPORT 
MEMORY SUPPORTED: UP TO ( 24 ) TWENTY FOUR DIMM SLOTS RDIMM / LRDIMM OR ( 12 ) TWELVE NVDIMM / DCPMM ( INTEL OPTANE DC PERSISTENT MEMORY SERIES ) 
RDIMM MEMORY SIZE: UP TO 3TB   
LRDIMM MEMORY SIZE: UP TO 3TB    
NVDIMM MEMORY SIZE: UP TO 192GB  
DCPMM MEMORY SIZE: UP TO 6.14TB  
DCPMM+LRDIMM MEMORY SIZE: UP TO 7.68TB  
MEMORY SPEEDS: DDR4-2933MHZ ( SPEEDS MAY VARY BASED ON PROCESSOR TYPE ) 
NUMBER OF CHANNELS: 6 CHANNELS PER PROCESSOR ( 2 DIMMS PER CHANNEL ) 
NOTE:
 
 - 12 DIMMs AVAILABLE PER PROCESSOR  
 - MEMORY CAPACITY AND SPEEDS MAY VARY, BASED ON PROCESSOR MODEL 
 - PLEASE CONSULT YOUR IT CREATIONS REPRESENTATIVE FOR AVAILABLE OPTIONS 
 STORAGE SUPPORT 
HARD DRIVE SUPPORT: UP TO ( 4 ) FOUR 3.5 INCH LFF HOT PLUG HARD DRIVES  
STORAGE TYPE: HDD / SSD   
STORAGE PROTOCOL: SAS / SATA  
MAX STORAGE SIZE: 64TB  
NOTE:
 
 - 2.5 INCH SFF HARD DRIVES SUPPORTED VIA HYBRID CARRIER. CHECK FOR AVAILABILITY  
 - M.2 PCIE BOSS CARD IS OPTIONAL. ONLY SUPPORTS SATA PROTOCOL WITH EITHER NON RAID OR RAID 1  
 - BOSS MODULE IS OPTIONAL - NOT INCLUDED  
 - PLEASE CONSULT YOUR IT CREATIONS REPRESENTATIVE FOR AVAILABLE OPTIONS 
 EXPANSION SLOT SUPPORT 
NUMBER OF PCI SLOTS SUPPORT:  UP TO ( 3 ) THREE PCI-E SLOTS ( 1 ) ONE RNDC SLOT  
PCI INTERFACE TYPE: PCI-E 3.0 - INTERFACES MAY VARY  
 - 3X16 ( HALF HEIGHT )   
 - ( 1 ) ONE RNDC SLOT   
 
NOTE:
 
 - PLEASE CONSULT YOUR IT CREATIONS REPRESENTATIVE FOR AVAILABLE OPTIONS 
 POWER SUPPORT 
NUMBER OF POWER SUPPLIES SUPPORT: UP TO ( 2 ) TWO SLOTS 
MAX POWER IN WATTAGE: 495W / 750W / 1100W / 1600W ( PER SLOT ) 
NOTE:
 
 - PLEASE CONSULT YOUR IT CREATIONS REPRESENTATIVE FOR AVAILABLE OPTIONS 
 OPERATING SYSTEMS SUPPORTED 
 - CANONICAL UBUNTU SERVER LTS 
 - CITRIX HYPERVISOR  
 - MICROSOFT WINDOWS SERVER LTSC WITH HYPER-V  
 - ORACLE LINUX  
 - RED HAT ENTERPRISE LINUX 
 - SUSE LINUX ENTERPRISE SERVER 
PLEASE BE ADVISED: 
 THE OPTIONS ABOVE ARE BASED ON DELL TECHNICAL GUIDE DOCUMENTATION DATED JUNE 2021 - INFORMATION MAY CHANGE