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Four green DDR5 RDIMM modules with gold contacts, no heat spreaders

OWC

OWC 128GB (4x32GB) DDR5 4800 CL40 2Rx8 ECC Registered RDIMM server RAM

SKU CH-Z65X-06KHX

A 128 GB DDR5 4800 CL40 ECC registered RDIMM kit of four 32 GB modules at 1.1 V for servers and workstations

  • Capacity128GB (4 x 32GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 128GB (4 x 32GB)

Nog 4 configuraties tonen

Rank 2Rx8

  • 128GB total capacity from four 32GB modules
  • DDR5 4800 speed with CL40 latency
  • ECC registered design for data integrity
  • 1V operation for efficient power use
  • 288-pin RDIMM form factor for server boards

128 GB DDR5 ECC RDIMM Kit

This 128 GB kit contains four 32 GB DDR5 4800 CL40 registered DIMMs with ECC and 2Rx8 organisation. It is built for workstations and servers that require registered memory with error correction. It will not function in standard desktop computers or alongside unbuffered or load-reduced modules.

288-Pin Registered Modules at 1.1 V

The modules fit 288-pin DDR5 slots and operate at the JEDEC-standard 1.1 V. Because they are registered, the memory controller sees a reduced electrical load, which helps stability in multi-DIMM configurations. Mixing with unbuffered or load-reduced memory is not supported.

Sustained Operation Without Heat Spreaders

The kit ships without heat spreaders, relying on chassis airflow to maintain temperature during continuous workloads. JEDEC and RoHS compliance ensures the modules meet industry specifications for long-term reliability in server environments.

Pluspunten

  • 128GB total capacity from four 32GB modules
  • DDR5 4800 speed with CL40 latency
  • ECC registered design for data integrity
  • 1V operation for efficient power use
  • 288-pin RDIMM form factor for server boards

Specificaties

BrandOWC
Part Number4R8D52R8128S
Capacity128GB (4 x 32GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Multi-channel KitDual Channel Kit
Heat SpreaderNo

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Vragen over dit artikel

How does the CL40 latency affect sustained throughput on this DDR5 4800 kit?

CL40 is the factory CAS latency at 4800 MT/s; the registered buffer adds one cycle per command, so sustained bandwidth is governed by the JEDEC DDR5 4800 spec rather than a tighter timing.

What thermal or acoustic impact should I expect when all four 32 GB modules run continuously?

The modules have no heat spreader and operate at 1.1 V, so they rely on chassis airflow; power draw stays within standard DDR5 4800 limits and they produce no audible noise.

Which motherboard feature must already be present for this 288-pin RDIMM kit to function?

The board must provide DDR5 RDIMM slots with registered-buffer support and ECC capability; standard desktop UDIMM sockets will not accept these modules.

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