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Green circuit board with black memory chips, no heat spreader, gold edge contacts

OWC

OWC 32GB DDR4 2666 CL19 2Rx8 VLP ECC Unbuffered DIMM desktop RAM

SKU CH-EXH2-4362R

32GB DDR4 2666 CL19 ECC unbuffered VLP DIMM for workstations, servers and NAS systems

  • Total capacity32 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forWorkstations, Servers, and NAS Systems
  • 32 GB capacity lets you run larger workloads without swapping
  • DDR4 2666 speed delivers 21300 MT/s bandwidth for responsive multitasking
  • CL19 latency keeps timing tight for steady throughput
  • ECC unbuffered design detects and corrects single-bit errors to protect data integrity
  • VLP 288-pin 1.2 V form factor fits space-constrained workstation and NAS slots

Capacity and purpose

This 32GB DDR4 module is built for workstations, servers and NAS systems that require ECC protection. The unbuffered design keeps latency low while the 1.2V operation reduces power draw. It replaces the Micron MTA18ADF4G72AZ-2G6 part directly.

Headroom at 2666 MT/s

Running at DDR4 2666 (PC4-21300) with CL19 timing, the stick handles large datasets and multiple virtual machines without paging. The 2Rx8 organisation provides density for memory-hungry services, though single-channel bandwidth will limit throughput in heavy compute jobs.

Thermals and power in service

No heat spreader is fitted, so airflow across the bare PCB manages temperatures in typical chassis. At 1.2V the module draws modest power and runs silently, making it suitable for densely populated DIMM slots in rack or tower enclosures.

How it compares

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

Price $347.99
Pricier than about 78% 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 $10.87 per GB
Pricier than about 70% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number2E6V42R832 GB
Total capacity32 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Recommended forWorkstations, Servers, and NAS Systems
More details
LED lightingNone

Questions about this item

Will this 32 GB module work in a motherboard that only supports 1.2 V DDR4 memory?

The module runs at 1.2 V, which is the standard DDR4 voltage, so it will operate in any desktop board that accepts DDR4 DIMMs at that voltage.

Does the very low profile height let this DIMM fit under large CPU coolers or in compact cases?

The VLP design reduces module height, allowing clearance for oversized air coolers and tight chassis where standard-height sticks would not fit.

Is ECC functionality active on consumer desktop platforms or only on workstation and server boards?

ECC operates when the motherboard and CPU support it; most consumer desktop chipsets do not enable ECC, so the feature will be inactive on those systems.

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