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Green circuit board with black memory chips, 288 gold pins, no heat spreader

OWC

OWC 2R9D42R432GB 32GB DDR4 2933MHz ECC RDIMM Dell PowerEdge

SKU CH-8DZM-NBHJ8

32GB DDR4 2933MHz ECC registered DIMM for Dell PowerEdge R840, R940, R940xa and T640 servers

  • Total capacity32 GB
  • Rated speedDDR4 2933 (PC4 23400)
  • CAS latencyCL21
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 32GB

  • 32GB capacity expands server memory for larger workloads
  • DDR4 2933MHz speed delivers high bandwidth for data-intensive tasks
  • ECC registered design detects and corrects errors to protect data integrity
  • 2V operation reduces power draw in dense configurations
  • Compatible with PowerEdge R840 R940 R940xa T640 for direct replacement

32 GB DDR4 ECC RDIMM for Dell PowerEdge

This 32 GB DDR4 2933 MHz module is built for Dell PowerEdge R840, R940, R940xa and T640 servers. It delivers registered ECC reliability for workloads that demand data integrity. The module suits administrators extending existing infrastructure or building new server capacity.

Check your server requires registered ECC RDIMMs

Verify the target system accepts 288-pin DDR4 registered ECC memory before ordering. Standard desktop boards cannot use this module and it must not be mixed with unbuffered DIMMs. The platform must support 1.2 V operation and CL21 timing at 2933 MHz or a compatible lower speed.

No heat spreader simplifies dense slot layouts

The bare green PCB fits tight DIMM arrays without clearance issues common in multi-socket chassis. Gold-edge 288-pin connectors seat firmly in Dell PowerEdge slots for reliable contact over repeated thermal cycles. Registered buffering reduces electrical load on the memory controller for stable operation.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $203.99
Cheaper than about 58% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $6.37 per GB
Cheaper than about 62% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number2R9D42R432 GB
Total capacity32 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 2933 (PC4 23400)
Memory
CAS latencyCL21
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell PowerEdge R840
Dell PowerEdge R940
Dell PowerEdge R940xa
Dell PowerEdge T640

Other versions of this model

5 more in the same range

Questions about this item

Does the 32 GB DDR4 2933 MHz ECC RDIMM ship as a single module or a kit, and are any brackets or cables required?

The part number 2R9D42R432GB represents one 32 GB registered DIMM; no brackets, cables or additional hardware are included.

Should I choose this 32 GB CL21 module or a different capacity for my Dell PowerEdge R940?

This module provides 32 GB at 2933 MHz CL21; select the capacity that matches your server's maximum supported memory per slot and total population rules.

What does the 2933 MHz PC4-23400 rating mean once the module is installed in a PowerEdge T640?

The module will run at up to 2933 MHz CL21 at 1.2 V and will down-clock to 2666, 2400 or 2133 MHz if the platform requires a lower speed.

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