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

OWC

OWC 32GB DDR4 2933MHz ECC Unbuffered UDIMM 288-pin desktop RAM

SKU CH-3HXG-D9Z2M

32GB DDR4 2933MHz ECC unbuffered UDIMM for workstations, servers and NAS systems

  • Total capacity32 GB
  • Rated speedDDR4 2933 (PC4 23400)
  • CAS latencyCL21
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forWorkstations, Servers, and NAS Systems

Capacity 32GB

  • 32GB capacity for demanding workloads
  • ECC protection reduces data errors
  • 2933MHz speed with CL21 latency
  • 2V operation lowers power draw
  • Compatible with 2133 2400 2666MHz systems

Single-module capacity and ECC

This module delivers 32GB of DDR4 memory in a single unbuffered UDIMM. It is built for desktop PCs, workstations, servers and NAS systems that require error-correcting code protection. The 288-pin form factor fits standard DDR4 slots on compatible platforms.

DDR4 2933 speed and backward steps

The module runs at 2933MHz with a CL21 latency at 1.2V. It is also compatible with systems limited to 2133MHz, 2400MHz or 2666MHz speeds. JEDEC compliance ensures the DIMM will operate at the highest speed the platform and memory controller allow.

32GB headroom for heavy workloads

A single 32GB stick provides substantial capacity for virtual machines, large datasets and multi-application workflows. Workstations and servers can populate multiple slots to reach higher totals, while NAS units benefit from the ECC integrity during sustained file operations.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $230.99
Pricier than about 71% of the 3,647 comparable items (median $90.99).
Total capacity 32 GB
Higher than about 70% of the 3,251 comparable items (median 16 GB).
Price per GB $7.22 per GB
Typical for this category: the median of 3,251 items is $6.75 per GB.

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Specifications

Product
Brand nameOWC
Part number2E9D42R832 GB
Total capacity32 GB
Product colorBlack
Performance
Rated speedDDR4 2933 (PC4 23400)
Memory
CAS latencyCL21
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Recommended forWorkstations, Servers, and NAS Systems
More details
LED lightingNone

Other versions of this model

5 more in the same range

Questions about this item

Will this 32GB module fit my desktop motherboard?

It uses the standard 288-pin UDIMM form factor for DDR4 desktop boards. Your motherboard must support DDR4, unbuffered ECC memory and a 32GB single-module capacity. Check the manual or vendor memory QVL for confirmed compatibility.

Can I use this ECC stick in a system that does not support ECC?

The module is ECC unbuffered. If your platform does not support ECC it will typically ignore the extra parity bits and run as non-ECC, but some consumer chipsets disable the slot entirely. Verify your motherboard or CPU documentation before buying.

My board only lists 2666MHz memory — will this 2933MHz module still work?

Yes. The specification states backward compatibility with 2133MHz, 2400MHz and 2666MHz speeds. The module will automatically down-clock to the highest speed your platform supports while keeping CL21 timings at 1.2V.

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