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Silver 2U rack server front with eight 2.5 inch drive bays and bezel

DELL

DELL PowerEdge R740 2U rack server 2× Xeon Gold 6148 2.4 GHz 20-core 256 GB DDR4 8× 400 GB SSD H730P

SKU CH-SM08-TZ84Q

2U rack server with dual 20-core Xeon Gold 6148 CPUs, 256 GB DDR4 ECC memory, eight 400 GB SATA SSDs on a H730P RAID controller, quad-port 1GbE/10GbE networking and iDRAC9 Enterprise management

  • 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 8 slots supports up to 3 TB total
  • PERC H730P 2 GB controller enables RAID 0, 1, 5, 6, 10, 50, 60 and pass-through
  • Eight 400 GB SATA SSDs provide high-speed storage in 2.5-inch hot-swap bays
  • Intel X520/I350 quad-port card adds two 1 GbE and two 10 Gb SFP+ links

Dell PowerEdge R740 2U rack server

The Dell PowerEdge R740 is a 2U rack server built for compute-dense workloads. It ships with two Intel Xeon Gold 6148 processors running at 2.40 GHz, each with 20 cores and a 3.7 GHz turbo frequency. The system includes 256 GB of DDR4 2666 MHz registered ECC memory across eight 32 GB modules. A Dell PERC H730P 2 GB storage controller manages the eight installed 400 GB SATA SSDs.

Suits virtualisation clusters and database nodes

This configuration suits virtualisation clusters, database nodes and applications that benefit from 40 total cores and 256 GB of memory. The quad-port network daughter card provides two 1 GbE and two 10 Gb SFP+ connections for flexible fabric integration. iDRAC 9 Enterprise enables full remote management. Buyers who need more than 24 DIMM slots, more than eight 2.5-inch drive bays or a different processor family should consider other platforms.

24 DDR4 DIMM slots support up to 3 TB

The single specification that decides fit is the 24 DDR4 DIMM slots supporting a maximum of 3 TB of registered ECC memory. This ceiling determines whether the platform can grow with your workload or if a higher-capacity chassis is required. The LGA 3647 socket and Intel C620 chipset are fixed to the two installed Xeon Gold 6148 CPUs.

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 8 slots supports up to 3 TB total
  • PERC H730P 2 GB controller enables RAID 0, 1, 5, 6, 10, 50, 60 and pass-through
  • Eight 400 GB SATA SSDs provide high-speed storage in 2.5-inch hot-swap bays
  • Intel X520/I350 quad-port card adds two 1 GbE and two 10 Gb SFP+ links

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 InterfaceSATA
SSD (Installed)8 x 400GB 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 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

Other versions of this model

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Questions about this item

How often do the PERC H730P controller's 2 GB cache battery and the eight 400 GB SSDs need replacement?

The PERC H730P battery typically lasts 3–5 years before it must be swapped to keep write-back cache active; the 400 GB SATA SSDs are enterprise drives rated for multiple drive writes per day and will need replacement once their SMART wear indicator reaches the threshold.

Which component reaches its limit first when the dual Xeon Gold 6148 CPUs run at 3.7 GHz turbo continuously?

The 750 W platinum power supplies set the first hard ceiling — sustained 3.7 GHz turbo on both 20-core processors can push total system draw to the PSU rating, so power headroom is the limiting factor before thermal throttling occurs.

What noise and heat levels should I expect from the redundant 750 W PSUs and fans during 24/7 operation?

In a 25 °C ambient the redundant 750 W platinum PSUs and variable-speed fans run at moderate RPM, producing typical 2U rack acoustics; exhaust air stays warm but within ASHRAE A2 limits for continuous operation.

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