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Green circuit board with black memory chips, low-profile vertical module, no heat spreader, gold edge connector, single 32GB DDR4 DIMM

OWC

OWC 32GB DDR4 2666 CL19 ECC Unbuffered VLP DIMM 2E6V42R832GB

SKU CH-J5M7-W9VN1

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

  • Capacity32GB
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • 32 GB capacity expands multitasking headroom for workstations
  • DDR4 2666 speed delivers 21300 MT/s data throughput
  • CL19 latency keeps response times consistent under load
  • 2 V operation reduces power draw and heat
  • ECC unbuffered design protects data integrity in servers and NAS

32GB DDR4 2666 ECC VLP DIMM

This single 32GB DDR4 2666 CL19 ECC unbuffered VLP DIMM operates at 1.2V using a 2Rx8 layout on a 288-pin module. It is built for select workstations, servers and NAS systems that require error-correcting memory in a very low profile form factor.

Check DDR4 2666 ECC unbuffered support

Verify that your motherboard accepts DDR4 2666 ECC unbuffered DIMMs and has a free 288-pin slot. Confirm the platform works with 1.2V modules and can run at CL19 timings. OWC recommends matching capacity, speed and manufacturer across all installed DIMMs for optimal performance.

Thermals noise and power draw

The module runs at the standard 1.2V without a heat spreader, relying on case airflow for cooling. No LEDs or active cooling are present, so the DIMM adds no audible noise. Power draw stays within JEDEC limits for DDR4 2666 operation under normal workloads.

Highlights

  • 32 GB capacity expands multitasking headroom for workstations
  • DDR4 2666 speed delivers 21300 MT/s data throughput
  • CL19 latency keeps response times consistent under load
  • 2 V operation reduces power draw and heat
  • ECC unbuffered design protects data integrity in servers and NAS

Specifications

BrandOWC
Part Number2E6V42R832GB
Capacity32GB
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Heat SpreaderNo
Recommend UseWorkstations, Servers, and NAS Systems
LED ColorNone

Questions about this item

Will this 32 GB DDR4 2666 CL19 ECC unbuffered VLP DIMM fit my workstation that requires 288-pin modules?

Yes, the module uses the standard 288-pin DDR4 form factor and runs at 1.2 V, so it will physically install in any desktop or workstation slot that accepts DDR4 2666 ECC unbuffered memory.

Can I mix this stick with existing non-ECC RAM in my server?

Mixing ECC and non-ECC modules is not recommended; the system will typically disable ECC or refuse to boot, so populate all slots with identical ECC unbuffered DIMMs for reliable operation.

Does the very-low-profile height clear large CPU coolers in a 1U NAS chassis?

The VLP (very low profile) design is shorter than standard DIMMs, making it compatible with tight clearance environments such as 1U rackmount NAS or server enclosures.

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