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Silver 1U rack server with front bezel, eight 2.5-inch drive bays and dual redundant power supplies

DELL

DELL PowerEdge R640 1U Rack Server 2x Xeon Gold 6148 2.4GHz 20-Core 256GB DDR4 2x 800GB SSD

SKU CH-2MH5-X6HH9

Dual Xeon Gold 6148 20-core 2.4 GHz 1U rack server with 256 GB DDR4 and two 800 GB SATA SSDs

  • TypeRack
  • Rack Height1U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.40 GHz
  • CPU SocketLGA 3647
  • Dual 20-core Xeon Gold 6148 CPUs deliver 40 total cores for heavy workloads
  • 256 GB DDR4-2666 ECC memory supports large datasets and virtualization
  • PERC H730P controller enables RAID 0/1/5/6/10/50/60 with 2 GB cache
  • Dual 800 GB SATA SSDs provide fast read performance for OS and apps
  • iDRAC9 Enterprise gives full remote management with virtual console access

Dual-Socket 1U Server for Dense Compute

The Dell PowerEdge R640 is a 1U rack server built for dense scale-out workloads. It ships with two Intel Xeon Gold 6148 processors running at 2.4 GHz with 20 cores each, delivering 40 cores total. The system includes 256 GB of DDR4 2666 MHz registered ECC memory across 8 modules. Two 800 GB SATA SSDs and a PERC H730P RAID controller provide enterprise storage performance.

Suited for Virtualisation and Database Clusters

This configuration suits organisations running virtualisation hosts, database clusters or high-performance computing tasks that benefit from high core counts and redundant power. The dual 750 W platinum power supplies and iDRAC 9 Enterprise simplify fleet management. Buyers who need more than 24 DIMM slots, additional drive bays beyond the 8-bay 2.5-inch chassis, or a different network interface should evaluate other platforms.

24 DIMM Slots Supporting 3 TB Maximum Memory

The motherboard provides 24 DDR4 slots with a maximum capacity of 3 TB, allowing significant memory expansion beyond the installed 256 GB. This headroom supports memory-intensive applications such as in-memory databases or large virtual machine densities. The LGA 3647 socket and Intel C620 chipset define the processor compatibility for any future upgrades.

Privalumai

  • Dual 20-core Xeon Gold 6148 CPUs deliver 40 total cores for heavy workloads
  • 256 GB DDR4-2666 ECC memory supports large datasets and virtualization
  • PERC H730P controller enables RAID 0/1/5/6/10/50/60 with 2 GB cache
  • Dual 800 GB SATA SSDs provide fast read performance for OS and apps
  • iDRAC9 Enterprise gives full remote management with virtual console access

Specifikacijos

BrandDELL
SeriesPowerEdge R640
ModelR640
TypeRack
Rack Height1U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed2.40 GHz
CPU SocketLGA 3647
Number of CPU Cores20-Core Processor
# of Processors Installed2
MAX Processors2
ChipsetIntel C620
Installed Memory Size256GB
Memory TypeDDR4
Max Memory Capacity3TB
Number of Memory Slots24
Storage ControllerDell Perc H730P 2GB Controller
HDD InterfaceSATA
SSD (Installed)2 x 800GB SATA SSD
Raid LevelRAID 0/1/5/6/10/50/60
GPU TypeMatrox G200
Video Memory8MB
Ethernet ControllerDell Intel X520/I350 Quad Port 2x 1GbE 2x 10Gb SFP+ Network Daughter Card
LAN Ports4 x Ports
Expansion SlotsUp to 3 PCIe Gen 3 slots all x16
Management PortRJ 45
Operating SystemNo
Features8 x 2.5" SATA/SAS Hot-Plug Drive Bays

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What maintenance will the PERC H730P controller battery need over time?

The PERC H730P includes a battery-backed cache module; the battery is a consumable that will eventually require replacement to preserve write-cache protection during power loss.

What thermal limit appears first when both Xeon Gold 6148 CPUs run at 3.7 GHz turbo continuously?

The 1U chassis and dual 750 W power supplies set the cooling envelope; sustained turbo on 40 total cores will hit the thermal design limit before the power budget is exhausted.

How loud are the fans and how much power does the server draw under 24/7 load?

Dual 750 W platinum supplies feed up to 40 cores; fan speed ramps with inlet temperature, so acoustic output and draw rise together under continuous heavy workloads.

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