We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Silver 1U rack server with front bezel, eight 2.5-inch drive bays and redundant power supplies

DELL

DELL PowerEdge R640 1U rack server 2x Xeon Gold 6134 3.2GHz 768GB DDR4 8x 2.4TB SAS H730P

SKU CH-CWNC-GASKY

Dual 8-core Xeon Gold 6134 processors, 768 GB DDR4 ECC memory, eight 2.4 TB SAS drives and a PERC H730P RAID controller in a 1U rack chassis

  • ProcessorIntel Xeon
  • Installed RAM768 GB
  • Video RAM8 MB
  • Installed SSDNo
  • ChipsetIntel C620
  • Processor core count8-Core Processor
  • Dual Xeon Gold 6134 CPUs deliver 3.2 GHz base speed with 3.7 GHz turbo
  • 768 GB DDR4 2666 MHz ECC memory across 24 slots for large datasets
  • PERC H730P 2 GB controller supports RAID 0/1/5/6/10/50/60 and pass-through
  • Eight 2.4 TB 10K SAS drives provide high-capacity 12 Gb/s storage
  • Quad-port X520/I350 card adds 2x 1 GbE and 2x 10 Gb SFP+ connectivity

Dense 1U dual-socket server

The PowerEdge R640 packs two Xeon Gold 6134 processors and 768GB of DDR4 ECC memory into a single rack unit. It targets workloads that need high core density and large memory capacity in a compact footprint.

Redundant 750W Platinum supplies

Dual hot-swap power supplies share the load and keep the system running if one unit fails. The 1U chassis uses forced-air cooling tuned for sustained operation at full processor turbo frequency.

Eight 2.4TB SAS drives on H730P

The PERC H730P controller manages the eight 2.5-inch 10K drives with 2GB cache and battery-backed write protection. Front-access bays, quad-port networking and iDRAC9 Enterprise simplify daily administration.

How it compares

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

Price $5,431.99
Pricier than about 78% of the 17,641 comparable items (median $1,910.99).
Installed RAM 768 GB
Higher than about 90% of the 15,103 comparable items (median 128 GB).
Video RAM 8 MB
Typical for this category: the median of 8,309 items is 0.01 GB.

New to this? Buying server hardware with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameDELL
Product linePowerEdge R640
Model nameR640
Product typeRack
Processor
ProcessorIntel Xeon
Processor core count8-Core Processor
Processor socketLGA 3647
ChipsetIntel C620
Processor speed3.2 GHz
Installed CPUs2
Max supported CPUs2
Memory
Installed RAM768 GB
Type of memoryDDR4
Maximum RAM capacity3 TB
Memory slot count24
Storage
Installed SSDNo
Disk controllerDell Perc H730P 2 GB Controller
Drive interfaceSAS
Supported RAID levelsRAID 0/1/5/6/10/50/60
Graphics
Video RAM8 MB
Graphics chipMatrox G200
Connectivity
Network controllerDell Intel X520/I350 Quad Port 2x 1GbE 2x 10Gb SFP+ Network Daughter Card
Ports & slots
Network ports4 x Ports
Expansion card slotsUp to 3 PCIe Gen 3 slots all x16
Management interfaceRJ 45
Power
Hot-swap redundant PSUYes
Size & build
Rack height1U
Software
Operating systemNo

Other versions of this model

5 more in the same range

Questions about this item

How do I install the 24 DDR4 memory modules into the R640's 24 slots, and which step do people get wrong?

Populate all 24 slots with the 32 GB registered ECC modules at 2666 MHz, then verify the BIOS sees 768 GB; the common mistake is mixing registered and unbuffered DIMMs, which prevents boot.

What maintenance or replacement will the storage subsystem need later?

The PERC H730P controller's 2 GB cache battery degrades over time and must be replaced to keep write-back caching active; the eight 2.4 TB 10 K SAS drives also wear out and should be swapped proactively.

What limit appears first when the dual Xeon Gold 6134 CPUs run sustained workloads?

The 1U chassis and dual 750 W platinum power supplies constrain cooling and power headroom, so thermal throttling or power capping typically activates before the processors hit their 3.7 GHz turbo ceiling.

More in Rack & Tower Servers

Similar items