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Dell PowerEdge R820 Rack Server vs Dell PowerEdge R640 Rack Server

Dell PowerEdge R820 Rack Server
Dell

Dell PowerEdge R820 Rack Server

سيرفر ديل باور إيدج R820

Release Year: 2012

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Dell PowerEdge R640 Rack Server
Dell

Dell PowerEdge R640 Rack Server

سيرفر ديل باور إيدج R640

Release Year: 2017

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Specifications

General

Dell PowerEdge R820 Rack Server

Dell PowerEdge R640 Rack Server

Form Factor Different
Rack (2U)
Rack (1U)
Rack Units Different
2U
1U
Performance

Dell PowerEdge R820 Rack Server

Dell PowerEdge R640 Rack Server

Processor Different
Intel Xeon E5-4600 series (up to 4)
Intel Xeon Scalable (up to 2)
Processor Count Different
4
2
Cores Different
Up to 10 cores per processor
Up to 28 cores per processor
RAM Different
64GB DDR3
64GB DDR4
RAM Type Different
DDR3 ECC RDIMM/LRDIMM
DDR4 ECC RDIMM/LRDIMM
Max RAM Different
1.5TB
3TB
Storage

Dell PowerEdge R820 Rack Server

Dell PowerEdge R640 Rack Server

Storage Bays Different
16x 2.5" SAS/SATA Hot-Swap
10x 2.5" SAS/SATA/NVMe Hot-Swap
Storage Type Different
SAS/SATA HDD/SSD
SAS/SATA HDD/SSD, NVMe
RAID Controller Different
PERC H310/H710/H710P
PERC H330/H730P/H740P
Connectivity

Dell PowerEdge R820 Rack Server

Dell PowerEdge R640 Rack Server

Network Ports Different
4x 1GbE
4x 1GbE or 2x 10GbE + 2x 1GbE
NIC Speed Different
1GbE
1GbE / 10GbE
Management Port Different
iDRAC7 Express/Enterprise
iDRAC9 Enterprise
PCIe Slots Different
8x PCIe 3.0
3x PCIe 3.0
Power

Dell PowerEdge R820 Rack Server

Dell PowerEdge R640 Rack Server

Power Supply Different
1100W
750W
PSU Count
2
2
Redundant PSU
Yes
Yes
Physical

Dell PowerEdge R820 Rack Server

Dell PowerEdge R640 Rack Server

Dimensions Different
482 x 701 x 86 mm
482 x 733 x 43 mm
Weight Different
30.2 kg
17.3 kg

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