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Two black DDR5 UDIMM modules, 16 GB each, no heat spreader, 288 pins

OWC

OWC 32GB (2x16GB) DDR5 5600 CL46 ECC Unbuffered UDIMM desktop RAM

SKU CH-267N-QKAVT

32 GB dual-channel DDR5 kit with ECC, 5600 MT/s speed and CL46 latency for workstations and servers

  • Capacity32GB (2 x 16GB)
  • SpeedDDR5 5600 (PC5 44800)
  • CAS LatencyCL46
  • Voltage1.1V
  • ECCYes
  • Buffered/RegisteredUnbuffered

Capacity 32GB (2 x 16GB)

  • 32 GB dual-channel kit doubles memory bandwidth for demanding workloads
  • ECC protection detects and corrects single-bit errors to safeguard critical data
  • 5600 MT/s JEDEC-standard speed delivers responsive multitasking without overclocking
  • 1 V low-voltage operation reduces power draw and heat in dense systems
  • 288-pin unbuffered UDIMM form factor fits standard desktop, workstation and NAS slots

32GB dual-channel DDR5 kit

This 32 GB kit contains two 16 GB modules rated at DDR5 5600 with CL46 latency. ECC unbuffered operation targets workstations, servers and NAS systems that require error correction. The 1.1 V JEDEC voltage keeps power draw low while maintaining standard compatibility.

Capacity and headroom at 5600 MT/s

32 GB provides ample space for large datasets, virtual machines and multi-application workflows. The 5600 MT/s data rate and CL46 timing deliver responsive throughput for memory-bound tasks. Workloads that exceed 32 GB will page to storage, reducing performance until capacity is increased.

Build integration with 288-pin UDIMMs

Each module uses the standard 288-pin unbuffered DIMM form factor and operates at 1.1 V without a heat spreader. The low-profile design fits tight clearance around large CPU coolers or dense server chassis. Dual-channel population frees remaining slots for future expansion when the platform supports it.

Highlights

  • 32 GB dual-channel kit doubles memory bandwidth for demanding workloads
  • ECC protection detects and corrects single-bit errors to safeguard critical data
  • 5600 MT/s JEDEC-standard speed delivers responsive multitasking without overclocking
  • 1 V low-voltage operation reduces power draw and heat in dense systems
  • 288-pin unbuffered UDIMM form factor fits standard desktop, workstation and NAS slots

Specifications

BrandOWC
Part Number5E6D51R8032P
Capacity32GB (2 x 16GB)
SpeedDDR5 5600 (PC5 44800)
CAS LatencyCL46
Voltage1.1V
ECCYes
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
ColorBlack
Heat SpreaderNo
Recommend UseWorkstations, Servers, and NAS Systems
LED ColorNone

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Questions about this item

Will these 288-pin DDR5 5600 CL46 ECC UDIMMs work in a system that currently runs DDR5 4800 non-ECC memory?

The kit is a JEDEC-standard DDR5 5600 CL46 1.1 V ECC unbuffered module. When mixed with slower DDR5, the memory controller will down-clock all sticks to the lowest common speed and timings, and ECC functionality will be disabled unless every installed module supports it and the platform enables it.

How can I verify the 5600 MT/s data rate and CL46 latency are active after installation?

Open the system firmware or a utility such as CPU-Z and confirm the memory is reported as DDR5-5600 with 46-46-46 timings at 1.1 V; the SPD table will also show PC5-44800 and the 1Rx8 organisation.

What exactly ships in the OWC 5E6D51R8032P box and what must be sourced separately?

The package contains two black 16 GB 288-pin DDR5 5600 CL46 ECC unbuffered UDIMMs — no heat spreaders, no LEDs, no cables or tools. A compatible DDR5 workstation, server or NAS motherboard with free UDIMM slots is required separately.

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