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Four green DDR4 server memory modules with gold contacts and black chips, no heat spreaders

OWC

OWC 256GB (4x64GB) DDR4 2400MHz CL17 ECC LRDIMM 1.2V 288-pin Server RAM

SKU CH-FEVC-AZCBM

A 256GB quad-channel kit of four 64GB DDR4 2400MHz ECC LRDIMMs at CL17 and 1.2V for servers and workstations

  • Capacity256GB (4 x 64GB)
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.2V
  • ECCYes

Capacity 256GB (4 x 64GB)

  • 256 GB total capacity in a 4 × 64 GB kit
  • DDR4 2400 MHz speed rated at PC4-19200 bandwidth
  • ECC load-reduced design for server and workstation reliability
  • CL17 latency at 1.2 V for efficient operation
  • Backward compatible with 2133 MHz systems for flexible deployment

Server-grade capacity and ECC protection

This OWC kit delivers 256GB across four 64GB DDR4 LRDIMM modules. Each module runs at 2400MHz with CL17 latency and operates at 1.2V. The load-reduced design and ECC support target enterprise servers, workstations and NAS systems that require registered memory.

Headroom for virtualisation and large datasets

The 4Rx4 organisation provides high density per channel, allowing compatible platforms to reach 256GB in a four-module population. Performance scales down to 2133MHz where the platform demands it. Systems limited to unbuffered DIMMs or lower maximum capacities cannot use this kit.

Replaces lower-density RDIMM or UDIMM sets

Upgrading from smaller registered or unbuffered kits adds capacity without extra slots, extending the useful life of DDR4 infrastructure. The jump is worthwhile when the motherboard and CPU support LRDIMM and the workload exceeds the previous memory ceiling.

Puntos fuertes

  • 256 GB total capacity in a 4 × 64 GB kit
  • DDR4 2400 MHz speed rated at PC4-19200 bandwidth
  • ECC load-reduced design for server and workstation reliability
  • CL17 latency at 1.2 V for efficient operation
  • Backward compatible with 2133 MHz systems for flexible deployment

Especificaciones

BrandOWC
Part Number2L4D44R4256S
Capacity256GB (4 x 64GB)
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

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Preguntas sobre este artículo

Will these 4Rx4 ECC LRDIMM modules run at 2133 MHz if my server only supports DDR4 2133?

Yes, the modules are backward compatible with 2133 MHz systems and will operate at that speed when installed in a server limited to DDR4 2133.

How can I confirm the kit is running at 2400 MHz with CL17 timings after installation?

Check the memory speed and CAS latency in your server BIOS or use a hardware utility such as CPU-Z to verify DDR4 2400 (PC4-19200) CL17 operation.

Does the 256 GB kit include four 64 GB modules and nothing else?

The package contains four 64 GB DDR4 2400 MHz CL17 ECC LRDIMM modules; no heat spreaders, cables or additional accessories are included.

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