Why do I need a rack server and how do I choose the best rack server?

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A rack server, also called a rack-mounted server, is a device dedicated to use as a server and designed to be installed in a framework called a rack. The rack contains multiple mounting slots called bays, each designed to hold a hardware unit secured with screws. A rack server has a low-profile enclosure, unlike a tower server built into an upright, standalone cabinet. A server rack’s benefits include better rack server space conservation, increased scalability, maximized airflow when used in conjunction with a cooling system, and ease of routine computer maintenance and diagnostics due to the fact that their design makes it simple for technicians and operators to slide rack servers into and out of them.

Dell’s PowerEdge rack servers are designed to address your most challenging workloads, working autonomously and collaboratively across all your IT environments. Paired with our OpenManage integrated IT management system, PowerEdge rack servers include our most powerful automation and reporting features, freeing you to focus on growing your business.

Dell Rack Server deliver PowerEdge Server, such as Dell R750, Dell R740, Dell R650, Dell R450 and so on.

Dell PowerEdge R750 Server

The Dell EMC PowerEdge R750, powered by the 3rd Generation Intel Xeon Scalable processors, is a rack server to address application performance and acceleration. The Dell PowerEdge R750 is a dual-socket/2U rack server that delivers outstanding performance for the most demanding workloads. It supports eight channels of memory per CPU and up to 32 DDR4 DIMMs @ 3200 MT/s speeds. In addition, to address substantial throughput improvements, the PowerEdge R750 supports PCIe Gen 4 and up to 24 NVMe drives with improved air-cooling features and optional Direct Liquid Cooling to support increasing power and thermal requirements.

Dell EMC PowerEdge R750 Specification – Dell R750 8SFF Server
Processor Up to two 3rd Generation Intel Xeon Scalable processors, with up to 40 cores per processor
Memory • 32 DDR4 DIMM slots, supports RDIMM 2 TB max or LRDIMM 8 TB max, speeds up to 3200 MT/s

• Up to 16 Intel Persistent Memory 200 series (BPS) slots, 8 TB max

• Supports registered ECC DDR4 DIMMs only

Storage controllers • Internal controllers: PERC H745, HBA355I, S150, H345, H755, H755N

• Boot Optimized Storage Subsystem (BOSS-S2): HW RAID 2 x M.2 SSDs 240 GB or 480 GB

• Boot Optimized Storage Subsystem (BOSS-S1) HW RAID 2 x M.2 SSDs 240 GB or 480 GB

• External PERC (RAID): PERC H840, HBA355E

Drive Bays Front bays:

• Up to 12 x 3.5-inch SAS/SATA (HDD/SSD) max 192 TB

• Up to 8 x 2.5-inch NVMe (SSD) max 122.88 TB

• Up to 16 x 2.5-inch SAS/SATA/NVMe (HDD/SSD) max 245.76 TB

• Up to 24 x 2.5-inch SAS/SATA/NVMe (HDD/SSD) max 368.84 TB

Rear bays:

• Up to 2 x 2.5-inch SAS/SATA/NVMe (HDD/SSD) max 30.72 TB

• Up to 4 x 2.5-inch SAS/SATA/NVMe (HDD/SSD) max 61.44 TB

Power Supplies • 800 W Platinum AC/240 mixed mode

• 1100 W Titanium AC/240 mixed mode

• 1400 W Platinum AC/240 mixed mode

• 2400 W Platinum AC/240 mixed mode

Dell PowerEdge R740 Server

The Dell PowerEdge R740 servers are designed to accelerate application performance by leveraging accelerator cards and storage scalability. The 2-socket, 2U platform has the optimum balance of resources to power the most demanding environments. The Dell 2U R740 5218R/8G*1/600G SAS 10K*1/H330/DVD/750W*1/3.5-8 and Dell 2U R740 4210R/8G*1/600G SAS 10K*1/H330/DVD/750W*1/3.5-8 are recommended.

Dell R740 Server Specification
Processor Up to two Intel Xeon Scalable processors, up to 28 cores per processor
Memory 24 DDR4 DIMM slots, Supports RDIMM /LRDIMM, speeds up to 2666MT/s, 3TB max

Up to 12 NVDIMM, 192 GB Max

Supports registered ECC DDR4 DIMMs only

Storage controllers Internal controllers: PERC H330, H730p, H740p, Software RAID (SWRAID) S140

Boot Optimized Storage Subsystem: HWRAID 2 x M.2 SSDs 120GB, 240 GB

External PERC (RAID): H840

12Gbps SAS HBAs (non-RAID): External- 12 Gbps SAS HBA (non-RAID), Internal- HBA330 (non-RAID)

Drive bays Front drive bays: Up to 16 x 2.5” SAS/SATA (HDD/SSD) max 61TB or up to 8 x 3.5” SAS/SATA HDD max 96TB

Optional DVD-ROM, DVD+RW

Power supplies Titanium 750W, Platinum 495W, 750W, 1100W, 1600W, and 2000W

48VDC 1100W, 380HVDC 1100W, 240HVDC 750W (China/Japan)

Hot plug power supplies with full redundancy

Up to 6 hot plugs fans with full redundancy

Dell PowerEdge R650 Server

Dell EMC PowerEdge R650, powered by the 3rd Generation Intel Xeon Scalable processors, is the optimal rack server to address application performance and acceleration. The PowerEdge R650 is a dual-socket/1U rack server that delivers outstanding performance for the most demanding workloads. It supports 8 channels of memory per CPU and up to 32 DDR4 DIMMs @ 3200 MT/s speeds. In addition, to address substantial throughput improvements, the PowerEdge R650 supports PCIe Gen 4 and up to 10 NVMe drives with improved air-cooling features and optional Direct Liquid Cooling to support increasing power and thermal requirements.

Dell R650 8SFF Server Specification
Processor Up to two 3rd Generation Intel® Xeon® Scalable processors with up to 24 cores per processor
Operating System (Dell Technologies recommends Windows 11 Pro for business)

Canonical® Ubuntu® Server LTS

Citrix® Hypervisor®

Microsoft® Windows Server® with Hyper-V

Red Hat® Enterprise Linux

SUSE® Linux Enterprise Server

VMware® ESXi®

Chipset Intel®C620A chipset
Accelerators Up to three 75 W single-width GPU
Memory DIMM Speed

Up to 3200 MT/s

 

Memory Type

RDIMM

LRDIMM

NVDIMM

Intel® Persistent Memory 200 series (BPS)

 

Memory Module Slots

32 DDR4 DIMM slots

 

Maximum RAM

RDIMM 2 TB

LRDIMM 4TB

NVDIMM 128 GB

Intel® Persistent Memory 200 series (BPS) 8TB

Storage Front Bays

Up to 10 x 2.5-inch SAS/SATA/NVMe (HDD/SSD) max 153 TB

Up to 8 x 2.5-inch SAS/SATA/NVMe (HDD/SSD) max 122.8 TB

Up to 4 x 3.5-inch SAS/SATA (HDD/SSD) max 64 TB

 

Rear bays

Up to 2 x 2.5-inch SAS/SATA/NVMe (HDD/SSD) max 30.7 TB

Storage Controllers Internal Controllers

PERC H745, H345, HBA355I, H755, H755N

 

External Controllers

PERC H840, HBA355E

 

Software RAID

S150

 

Internal Boot

Boot Optimized Storage Subsystem (BOSS-S1): HWRAID 2 x M.2 SSDs 240 GB or 480 GB

Boot Optimized Storage Subsystem (BOSS-S2): HWRAID 2 x M.2 SSDs 240 GB or 480 GB

Internal Dual SD Module or

Internal USB 3.0

Dell PowerEdge R450 Server

The Dell EMC PowerEdge R450, with 3rd generation Intel Xeon Scalable processors, offers improved performance and exceptional value in a 1U rack server.

Dell R450 4LFF Server Specification
Processor Up to two 3rd Generation Intel® Xeon® Scalable processors, with up to 24 cores per processor
Operating System (Dell Technologies recommends Windows 11 Pro for business)

Canonical® Ubuntu® Server LTS

Citrix® Hypervisor®

Microsoft® Windows Server® with Hyper-V

RedHat® Enterprise Linux

SUSE® Linux Enterprise Server

VMware® ESXi®

Chipset Intel® C620A chipset
Memory DIMM Speed

Up to 2933 MT/s

 

Memory Type

RDIMM

 

Memory Module Slots

16 DDR4 DIMM slots

 

Maximum RAM

RDIMM 1 TB

Storage Front Bays

Up to 4 x 3.5-inch SAS/SATA (HDD/SSD) max 16 TB

Up to 8 x 2.5-inch SAS/SATA (HDD/SSD) max 7.68 TB

Storage Controllers Internal Controllers

PERC H345, PERC H355, PERC H745, PERC H755, HBA355i

 

External Controllers

PERC H840, HBA355e

 

Software RAID

S150

 

Internal Boot

Boot Optimized Storage Subsystem (BOSS-S1): HWRAID 2 x M.2 SSDs 240 GB or 480 GB

Internal Dual SD Module or USB

Are you interested in these products? Welcome to learn details and check the price on Router-switch.com, and please feel free to check the Dell R750 datasheet, Dell R740 datasheet, Dell R650 datasheet and Dell R450 datasheet there.

Do you have any question about the R750 Dell, R740 Dell, R650 Dell and R450 Dell?

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