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Two black DDR4 UDIMM sticks without heat spreaders, 32GB total

OWC

OWC 32GB (2x16GB) DDR4 3200MHz CL22 ECC Unbuffered UDIMM 1.2V 288-pin desktop RAM

SKU CH-EDH2-38VYV

Dual-channel 32 GB DDR4-3200 ECC unbuffered kit runs at 1.2 V with CL22 latency for workstations, servers and NAS systems

  • Capacity32GB (2 x 16GB)
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes
  • Buffered/RegisteredUnbuffered

Capacity 32GB (2 x 16GB)

  • ECC protection guards data integrity in critical workloads
  • Dual-channel 32GB kit scales multitasking headroom
  • 3200MHz CL22 speed feeds CPU bandwidth efficiently
  • 2V JEDEC standard voltage keeps thermals low
  • Backward compatible with 2133 2400 2666 2933MHz systems

Capacity and purpose

This OWC kit supplies 32GB of DDR4 memory in a matched pair of 16GB modules. It is rated for 3200MHz operation with CL22 latency and includes ECC error correction for data integrity. The unbuffered UDIMM design targets workstations, servers and NAS systems that require reliable, standard-voltage memory.

Compatibility checklist

Verify that your motherboard or system accepts 288-pin DDR4 UDIMMs with ECC support enabled. The modules run at 1.2V and are backward compatible with 2133MHz, 2400MHz, 2666MHz and 2933MHz bus speeds. Confirm the board's maximum capacity per slot and total supported memory before ordering.

Build and daily use

Each module uses a black PCB without a heat spreader, keeping the profile low for tight DIMM spacing. The 288-pin gold-edge connectors seat firmly in standard desktop slots and require no extra cables or software. JEDEC and RoHS compliance means the kit meets industry specifications for a straightforward, warranty-safe upgrade.

Highlights

  • ECC protection guards data integrity in critical workloads
  • Dual-channel 32GB kit scales multitasking headroom
  • 3200MHz CL22 speed feeds CPU bandwidth efficiently
  • 2V JEDEC standard voltage keeps thermals low
  • Backward compatible with 2133 2400 2666 2933MHz systems

Specifications

BrandOWC
Part Number3E2D41R8032P
Capacity32GB (2 x 16GB)
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
ColorBlack
Heat SpreaderNo
Recommend UseWorkstations, Servers, and NAS Systems
LED ColorNone

Other versions of this model

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Questions about this item

Will these ECC modules work in a standard desktop motherboard that does not support ECC?

The modules are ECC unbuffered UDIMMs; they will only operate with ECC functionality on motherboards that explicitly support ECC. On non-ECC boards they may not be recognised or may run without error correction.

Can I mix this kit with existing 2133 MHz or 2400 MHz DDR4 memory?

Yes, the kit is backward compatible with 2133, 2400, 2666 and 2933 MHz speeds. When mixed, all modules will run at the lowest common speed and the loosest timings present in the system.

Does the kit include a heat spreader and will it fit under a large CPU cooler?

The modules have no heat spreader, keeping the profile low. This makes them compatible with most oversized CPU coolers that leave standard DIMM clearance.

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