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Front view of a 1U rack server with eight 2.5 inch drive bays and a bezel

DELL

DELL PowerEdge R640 1U Rack Server 2x Xeon Gold 6134 3.2GHz 128GB DDR4 8x 1.2TB SAS H730P

SKU CH-V490-P9H5F

1U rack server with two 3.2 GHz Xeon Gold 6134 CPUs, 128 GB DDR4, eight 1.2 TB SAS drives and PERC H730P RAID

  • TypeRack
  • Rack Height1U
  • Redundant Hot-swap PowerYes
  • CPU TypeIntel Xeon
  • CPU Speed3.20 GHz
  • CPU SocketLGA 3647
  • Dual Xeon Gold 6134 3.2 GHz 8-core CPUs deliver high compute density
  • 128 GB DDR4 2666 MHz ECC memory supports demanding workloads
  • PERC H730P 2 GB controller enables RAID 0/1/5/6/10/50/60
  • Eight 1.2 TB 10K SAS drives provide fast redundant storage
  • iDRAC9 Enterprise and quad-port 1/10 GbE give remote management and connectivity

Dual-socket 1U server for dense compute

The Dell PowerEdge R640 packs two Intel Xeon Gold 6134 processors running at 3.2 GHz with 3.7 GHz turbo into a single rack unit. Eight cores per CPU and 128 GB of DDR4 2666 MHz registered ECC memory deliver high throughput for virtualization, databases and scale-out workloads. Eight 1.2 TB 10K SAS drives on a PERC H730P controller provide fast local storage with RAID flexibility. Quad-port networking adds two 1 GbE and two 10 Gb SFP+ links for versatile connectivity.

Upgrades from single-socket or older 2U platforms

Moving from a single-socket server doubles core count and memory channels while halving rack space. Replacing a 2U dual-socket system reclaims 1U of density without sacrificing PCIe expansion or redundant 750 W platinum power supplies. The jump is worth it when workloads demand more cores per rack unit, faster 12 Gb/s SAS throughput or integrated 10 GbE networking. iDRAC 9 Enterprise simplifies remote lifecycle management across large fleets.

Verify rack depth, rail clearance

Ensure the cabinet accommodates the chassis depth and included ready rails for tool-less installation. Confirm switch ports support SFP+ optics or direct-attach cables for the 10 GbE interfaces. Check that existing SAS cabling matches the H730P 12 Gb/s backplane if reusing drives. Validate power distribution for dual 750 W supplies on appropriate circuits. Memory expansion requires DDR4 RDIMMs or LRDIMMs up to the 3 TB limit across 24 slots.

Highlights

  • Dual Xeon Gold 6134 3.2 GHz 8-core CPUs deliver high compute density
  • 128 GB DDR4 2666 MHz ECC memory supports demanding workloads
  • PERC H730P 2 GB controller enables RAID 0/1/5/6/10/50/60
  • Eight 1.2 TB 10K SAS drives provide fast redundant storage
  • iDRAC9 Enterprise and quad-port 1/10 GbE give remote management and connectivity

Specifications

BrandDELL
SeriesPowerEdge R640
ModelR640
TypeRack
Rack Height1U
Redundant Hot-swap PowerYes
CPU TypeIntel Xeon
CPU Speed3.20 GHz
CPU SocketLGA 3647
Number of CPU Cores8-Core Processor
# of Processors Installed2
MAX Processors2
ChipsetIntel C620
Installed Memory Size128GB
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 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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Questions about this item

What rack depth and rail kit does the 1U R640 require for mounting?

The server is a 1U rack unit and ships with ready rails for standard four-post racks; verify your cabinet depth matches the rail specification before installation.

How are the two Xeon Gold 6134 processors and 128GB DDR4 memory installed, and what step is often missed?

Both LGA 3647 sockets are already populated with the 3.2GHz 8-core CPUs and the 24 DIMM slots hold 8x 16GB 2666MHz registered ECC modules; the common oversight is skipping the memory configuration utility after any DIMM change.

When will the PERC H730P controller battery and the 1.2TB SAS drives need replacement?

The H730P 2GB cache battery typically lasts three to five years and the eight 10K SAS drives should be monitored via iDRAC9 for SMART alerts indicating end of life.

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