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Silver 2U rack server with front bezel, eight 2.5-inch drive bays and dual redundant power supplies

DELL

DELL PowerEdge R740 2U rack server 2x Xeon Gold 6148 2.4GHz 20-core 256GB DDR4 8x 1.2TB SAS H730P

SKU CH-PR91-HHYNR

A 2U rack server with two 20-core Xeon Gold 6148 CPUs, 256GB DDR4 memory, eight 1.2TB SAS drives and a PERC H730P RAID controller

  • TypeRack
  • Rack Height2U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed2.40 GHz
  • CPU SocketLGA 3647
  • Dual Xeon Gold 6148 CPUs deliver 40 cores at 2.4 GHz base with 3.7 GHz turbo
  • 256 GB DDR4 2666 MHz registered ECC memory across eight 32 GB modules
  • PERC H730P 2 GB controller supports RAID 0, 1, 5, 6, 10, 50, 60 with battery backup
  • Eight 1.2 TB 10K SAS drives in 2.5 inch bays provide high-speed storage density
  • Quad-port X520/I350 network card adds two 1 GbE and two 10 Gb SFP+ connections

Dual-socket 2U rack server

The Dell PowerEdge R740 is a 2U rack-mount server built for data-centre workloads that need high core counts and large memory capacity. It ships with two Intel Xeon Gold 6148 processors, each running at 2.4 GHz with 20 cores, and 256 GB of DDR4 registered ECC memory installed across eight 32 GB modules. The platform targets virtualisation, database and compute-intensive applications.

20 cores per CPU at 2.4 GHz

The decisive specification is the dual 20-core Xeon Gold 6148 configuration, delivering 40 total cores at a 2.4 GHz base frequency with 3.7 GHz turbo capability. This core density determines whether the server can handle the required parallel threads for your workload; the LGA 3647 socket and Intel C620 chipset support no more than two processors, so expansion beyond 40 cores is not possible on this chassis.

Redundant 750 W platinum power supplies

Two hot-swap 750 watt platinum-efficiency power supplies provide N+1 redundancy for continuous operation. The 2U form factor uses system-managed cooling calibrated for the installed CPUs, memory, eight 1.2 TB 10K SAS drives and the PERC H730P controller; acoustic output scales with thermal load under typical data-centre ambient conditions.

Highlights

  • Dual Xeon Gold 6148 CPUs deliver 40 cores at 2.4 GHz base with 3.7 GHz turbo
  • 256 GB DDR4 2666 MHz registered ECC memory across eight 32 GB modules
  • PERC H730P 2 GB controller supports RAID 0, 1, 5, 6, 10, 50, 60 with battery backup
  • Eight 1.2 TB 10K SAS drives in 2.5 inch bays provide high-speed storage density
  • Quad-port X520/I350 network card adds two 1 GbE and two 10 Gb SFP+ connections

Specifications

BrandDELL
SeriesPowerEdge R740
ModelR740
TypeRack
Rack Height2U
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 InterfaceSAS
SSD (Installed)No
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 SlotsRiser options with up to 8 PCIe Gen 3 slots, maximum of 4 x 16 slots
Management PortRJ 45
Operating SystemNo
Features8 x 2.5" SATA/SAS Hot-Plug Drive Bays

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Questions about this item

How does the 2.4 GHz base clock with 3.7 GHz turbo on the Xeon Gold 6148 affect real-world throughput?

Each of the two 20-core Xeon Gold 6148 processors runs at 2.4 GHz base and can reach 3.7 GHz turbo, giving 40 total cores for heavy multi-threaded workloads such as virtualization or databases.

What does the 12 Gb/s SAS controller cap in practice for the installed drives?

The PERC H730P controller operates at 12 Gb/s SAS, matching the 1.2 TB 10K SAS drives so the array is limited by the drive media speed rather than the controller link.

What rack depth and rail clearance does the 2U chassis with ready rails require?

The 2U rackmount chassis includes Dell Ready Rails for tool-less mounting in standard four-post racks; the bezel adds minimal front projection.

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