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Dell PowerEdge R640 1U rack server, matte black front with eight 2.5-inch drive bays

DELL

DELL PowerEdge R640 8x 2.5" 40-Core 2x Xeon Gold 6148 2.4GHz 128GB DDR4 H730P X710 4x 1TB SATA SSD rack server

SKU CH-VSMC-MZMA7

A 40-core 2.4 GHz Xeon rack server with 128 GB DDR4, H730P controller and four 1 TB SATA SSDs in eight 2.5" bays

  • TypeRackmount
  • LEDsPower, Ethernet, USB
  • CPU TypeGold 6148
  • CPU Speed2.40GHz
  • CPU SocketLGA3647
  • Number of CPU Cores20
  • 40 cores from dual Xeon Gold 6148 CPUs power heavy virtualization workloads
  • 128 GB DDR4 memory runs multiple VMs and data-intensive apps
  • Four 1 TB SATA SSDs store OS, apps, VMs and backups
  • H730P controller simplifies RAID setup and daily storage management
  • 8-bay 2.5" rack chassis fits dense compute into 1U space

40-core Xeon rack server

The Dell PowerEdge R640 is a 1U rackmount server built around two Intel Xeon Gold 6148 processors. Twenty cores per CPU run at 2.4 GHz, giving 40 cores in total. The chassis holds eight 2.5-inch drive bays and ships with 128 GB of DDR4 memory. An integrated GPU handles basic display output while the H730P controller manages storage.

Virtualisation hosts and database nodes

This configuration suits teams running virtual machines, databases, file storage or application hosting where high core counts and ample memory matter. The four factory-new 1 TB SATA SSDs provide a ready-made array for operating systems and active data. Buyers who need more than eight drive bays or a different memory capacity should evaluate other platforms.

Dual Gold 6148 CPUs and 128 GB DDR4

The pair of 20-core Gold 6148 processors and the installed 128 GB DDR4 set the performance baseline for every workload on this box. The H730P RAID controller and four 1 TB SATA SSDs complete the storage foundation. Verify that the CPU core count, memory size and drive bay layout match your deployment plan before ordering.

Highlights

  • 40 cores from dual Xeon Gold 6148 CPUs power heavy virtualization workloads
  • 128 GB DDR4 memory runs multiple VMs and data-intensive apps
  • Four 1 TB SATA SSDs store OS, apps, VMs and backups
  • H730P controller simplifies RAID setup and daily storage management
  • 8-bay 2.5" rack chassis fits dense compute into 1U space

Specifications

BrandDELL
TypeRackmount
LEDsPower, Ethernet, USB
CPU TypeGold 6148
CPU Speed2.40GHz
CPU SocketLGA3647
Number of CPU Cores20
# of Processors Installed2
MAX Processors2
Installed Memory Size128GB
Memory TypeDDR4
Max Memory Capacity3TB
GPU TypeIntegrated
Expansion Bays8B - 8x 2.5"
Operating SystemNo
Weight60

Questions about this item

Will the 4x 1TB SATA SSDs or the H730P controller need replacement before the Xeon Gold 6148 CPUs?

The SATA SSDs have a finite write endurance and will likely require replacement before the Xeon Gold 6148 processors, while the H730P controller is a solid-state board with no moving parts and typically outlasts the drives.

Does the 128GB DDR4 limit or the dual Gold 6148 2.4GHz core count become the bottleneck first under sustained virtualization load?

With 40 total cores at 2.4GHz and a 3TB DDR4 ceiling, memory capacity usually saturates before CPU throughput in dense virtualization, making the installed 128GB the first practical limit.

How much heat and fan noise should I expect from the 1U chassis running both Gold 6148 CPUs and the H730P controller continuously?

The 1U form factor forces high-RPM fans to cool two 20-core CPUs and the H730P, producing noticeable airflow noise and significant heat exhaust that requires proper rack ventilation.

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