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Two black DDR5 UDIMM sticks without heat spreaders, 288-pin, 32GB kit

OWC

OWC 32GB (2x16GB) DDR5 4800 CL40 ECC Unbuffered UDIMM Kit

SKU CH-RQX3-JMYTC

32 GB dual-channel DDR5 4800 CL40 ECC unbuffered kit for workstations and servers

  • Capacity32GB (2 x 16GB)
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes
  • Buffered/RegisteredUnbuffered

Capacity 32GB (2 x 16GB)

  • ECC protection guards data integrity in critical workloads
  • 4800 MT/s DDR5 speed lifts throughput for demanding apps
  • 32 GB dual-channel kit doubles bandwidth over single modules
  • 1 V operation reduces power draw and heat
  • JEDEC and RoHS compliance ensures warranty-safe upgrades

32 GB ECC UDIMM kit for workstations

This OWC kit supplies 32 GB of DDR5 memory in two 16 GB modules. It is built for workstations, servers and NAS systems that require error-correcting code protection. The modules are unbuffered and run at the standard 1.1 V JEDEC voltage. No heat spreaders or LEDs are fitted.

Capacity and headroom at 4800 MT/s

Two 16 GB DIMMs give 32 GB total in a dual-channel configuration. The CL40 latency at 4800 MT/s handles typical workstation workloads and multi-tasking. Capacity runs out when applications demand more than 32 GB or when higher frequencies are required for specialised compute tasks. The kit stays within JEDEC limits for broad compatibility.

ECC unbuffered decides fit

The decisive specification is ECC unbuffered operation on a 288-pin DDR5 DIMM. Only platforms that support ECC unbuffered memory can use this kit; registered or non-ECC systems will not accept it. Verify the motherboard or server manual for ECC unbuffered support before purchase.

Highlights

  • ECC protection guards data integrity in critical workloads
  • 4800 MT/s DDR5 speed lifts throughput for demanding apps
  • 32 GB dual-channel kit doubles bandwidth over single modules
  • 1 V operation reduces power draw and heat
  • JEDEC and RoHS compliance ensures warranty-safe upgrades

Specifications

BrandOWC
Part Number4E8D51R8032P
Capacity32GB (2 x 16GB)
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
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 the 4800 CL40 DDR5 ECC UDIMM modules run alongside my existing DDR5 memory?

The kit uses JEDEC-standard DDR5 at 4800 MT/s and 1.1 V. Mixing with other DDR5 modules will work only if the other modules also run at 4800 MT/s and 1.1 V; otherwise the system will downclock all modules to the lowest common speed and voltage.

How can I confirm the 32 GB dual-channel kit is operating at 4800 MT/s CL40 with ECC active?

Enter the firmware or use a tool such as CPU-Z or dmidecode; each 16 GB module should show 4800 MT/s, CL40-40-40 timing, 1.1 V and ECC type "Unbuffered" for a total of 32 GB in dual-channel mode.

What does the 2 x 16 GB kit include and what must I supply?

The box contains two black 288-pin DDR5 ECC unbuffered UDIMMs (1Rx8, no heat spreaders). You must provide a compatible DDR5 motherboard or workstation with two free UDIMM slots and a CPU that supports ECC memory.

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