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Black 1U rack server front with ten 2.5 inch drive bays

DELL

DELL PowerEdge R640 10-bay 2x Xeon Gold 6134 128GB DDR4 2x 1.2TB SAS H740P

SKU CH-3DKA-NA9KP

A 1U rack server with 10 drive bays, dual 16-core Xeon Gold 6134 CPUs at 3.20 GHz, 128 GB DDR4 and 2×1.2 TB SAS drives on an H740P controller

  • ProcessorIntel Xeon
  • Installed RAM128 GB
  • Processor core count16-Core Processor
  • Type of memoryDDR4
  • Processor socketLGA 3647
  • Rack height1U
  • Dual Xeon Gold 6134 CPUs deliver 16 cores at 3.20 GHz for demanding workloads
  • 128 GB DDR4 memory supports multiple virtual machines and data-heavy applications
  • 10-bay 2.5" chassis fits dense storage in a 1U rack footprint
  • 2× 1.2 TB SAS drives provide fast capacity for OS, apps and backups
  • H740P RAID controller simplifies storage setup and daily management

Compact rack server for virtualisation and databases

The Dell PowerEdge R640 fits a 1U rack height and holds ten 2.5-inch drive bays, making it suitable for dense deployments that run file storage, virtualisation, databases, backups and application hosting. Two Intel Xeon Gold 6134 processors deliver sixteen cores at 3.20 GHz, and 128 GB of DDR4 memory supports multiple services and virtual machines.

Dual CPU and RAID controller simplify daily

The LGA 3647 socket platform is fully populated with two CPUs, reaching the maximum processor count for this chassis. An integrated H740P RAID controller manages the two installed 1.2 TB SAS hard drives, streamlining storage configuration and ongoing administration without additional hardware.

Air-cooled 1U design handles sustained workloads

Front-to-rear airflow through the compact chassis cools both processors and the drive cage during continuous operation. Power draw scales with the dual 16-core CPUs and memory population, while fan speeds adjust to thermal demand, keeping acoustics appropriate for a server room environment.

How it compares

Measured against everything we stock in Rack & Tower Servers, at today’s prices. Recalculated every night.

Price $925.99
Cheaper than about 76% of the 17,641 comparable items (median $1,910.99).
Installed RAM 128 GB
Typical for this category: the median of 15,103 items is 128 GB.
Processor core count 16-Core Processor
Typical for this category: the median of 7,955 items is 16.

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Specifications

Product
Brand nameDELL
Product linePowerEdge R640
Product typeRack
Processor
ProcessorIntel Xeon
Processor core count16-Core Processor
Processor socketLGA 3647
Processor speed3.2 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM128 GB
Type of memoryDDR4
Storage
Installed storage1.2 TB
Drive interfaceSAS
Ports & slots
Extra portsDell Perc H740p Raid
Size & build
Rack height1U

Questions about this item

Does the Dell Perc H740P RAID controller limit SAS drive speed to 12 Gb/s per lane?

The H740P controller supports 12 Gb/s SAS lanes, so each 1.2 TB drive can run at the full interface rate; the backplane does not impose a lower ceiling.

What physical space and mounting hardware does the 1U PowerEdge R640 10-bay server require?

The 1U high, 2.5-inch SFF chassis occupies one rack unit and ships with Dell ReadyRails sliding rails for a standard four-post rack.

How is the H740P RAID controller installed, and what step do builders often miss?

The H740P plugs into the dedicated internal storage slot; the step often missed is connecting the two SAS cables from the backplane to the controller ports before closing the lid.

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