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Four green 288-pin DDR4 LRDIMM modules, bare chips, no heat spreaders

OWC

OWC 256GB (4x64GB) DDR4 2400 CL17 ECC LRDIMM 288-pin 1.2V memory upgrade

SKU CH-KM6K-E5Q54

256 GB kit of four 64 GB DDR4 2400 CL17 ECC load-reduced DIMMs for Cisco HX220c M4 and HX240c M4 servers

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

Capacity 256GB (4 x 64GB)

  • ECC load-reduced design protects data integrity in servers
  • 256 GB kit (4 × 64 GB) expands Cisco HX220c M4 and HX240c M4 capacity
  • DDR4 2400 CL17 at 1.2 V balances speed and power efficiency
  • 288-pin LRDIMM form factor fits compatible server slots directly
  • Backward compatible with 2133 MHz systems for flexible deployment

Server memory upgrade kit

This 256GB kit contains four 64GB DDR4 2400 CL17 ECC load-reduced DIMMs built for Cisco HX220c M4 and HX240c M4 servers. It is intended for administrators who need to expand memory capacity in those specific platforms.

Load-reduced ECC DDR4 2400 CL17

The modules are 288-pin LRDIMMs operating at 1.2V with a 4Rx4 organisation and PC4-19200 speed rating. This exact memory type is required; standard unbuffered or registered ECC DIMMs will not work in these systems.

Four matched modules replace Cisco UCSML1X644RVA

The kit supplies a complete population of four identical sticks so the server can run in its optimal channel configuration. No additional accessories or software are included in the package.

Puntos fuertes

  • ECC load-reduced design protects data integrity in servers
  • 256 GB kit (4 × 64 GB) expands Cisco HX220c M4 and HX240c M4 capacity
  • DDR4 2400 CL17 at 1.2 V balances speed and power efficiency
  • 288-pin LRDIMM form factor fits compatible server slots directly
  • 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
Heat SpreaderNo
Compatible SystemCisco HX220c M4
Cisco HX240c M4

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Preguntas sobre este artículo

What does the 256GB total capacity actually give me in a Cisco HX220c M4?

The kit supplies four 64GB LRDIMMs for 256GB of ECC load-reduced memory, letting the server address larger datasets and run more virtual machines without swapping.

What does PC4-19200 CL17 tell me about real-world throughput and latency?

PC4-19200 rates the modules at 2400 MT/s with a CAS latency of 17 cycles; the memory controller will also run them at 2133 MT/s if the platform requires it.

Will these 288-pin LRDIMMs physically seat in the HX240c M4 DIMM slots?

Yes, each module is a standard 288-pin DDR4 LRDIMM with no heat spreader, matching the form factor used by the Cisco HX220c M4 and HX240c M4.

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