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Eight green DDR4 LRDIMM modules in anti-static tray

OWC

OWC 512GB (8×64GB) DDR4 2400 CL17 4Rx4 288-pin 1.2V ECC LRDIMM memory upgrade

SKU CH-JNZW-214R6

Eight 64 GB DDR4 2400 CL17 ECC LRDIMMs totalling 512 GB for Cisco HX220c M4 and HX240c M4 servers

  • Capacity512GB (8 x 64GB)
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.2V
  • ECCYes

Capacity 512GB (8 x 64GB)

  • 512 GB total capacity from eight 64 GB modules
  • ECC load-reduced design protects data integrity in servers
  • DDR4 2400 speed with CL17 latency for responsive performance
  • 2 V operation reduces power draw in dense configurations
  • Compatible with Cisco HX220c M4 and HX240c M4 systems

512 GB DDR4 LRDIMM kit for Cisco HX servers

This kit supplies 512 GB of DDR4 2400 memory using eight 64 GB ECC load-reduced DIMMs. It is built for Cisco HX220c M4 and HX240c M4 servers that require registered, error-correcting modules.

Replaces Cisco UCS-ML-1X644RVA modules

The upgrade swaps out lower-capacity or slower DDR4 sticks and adds 4Rx4 organisation at 1.2 V. The jump is worth it when the workload needs maximum DIMM slots filled with 64 GB modules and the platform accepts load-reduced ECC only.

DDR4 2400 load-reduced interface limits

The modules run at PC4-19200 with CL17 latency and are backward compatible with 2133 MHz operation. They cannot be mixed with unbuffered or standard registered ECC DIMMs, and they will not work in desktop or consumer motherboards.

Ciri-ciri utama

  • 512 GB total capacity from eight 64 GB modules
  • ECC load-reduced design protects data integrity in servers
  • DDR4 2400 speed with CL17 latency for responsive performance
  • 2 V operation reduces power draw in dense configurations
  • Compatible with Cisco HX220c M4 and HX240c M4 systems

Spesifikasi

BrandOWC
Part Number2L4D44R4512K
Capacity512GB (8 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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Will the 288-pin DDR4 LRDIMM modules fit the memory slots in a Cisco HX220c M4 server?

Yes, the 288-pin DDR4 LRDIMM form factor matches the DIMM slots in the Cisco HX220c M4 and HX240c M4 servers listed for this upgrade kit.

What is the correct installation sequence for the eight 64 GB modules, and what step is commonly missed?

Populate all eight slots following the Cisco HX220c M4 or HX240c M4 memory population guide; the step often missed is ensuring every slot receives a 4Rx4 LRDIMM so the memory controller trains at 2400 MHz with ECC load-reduced operation.

When will the 1.2 V DDR4 2400 CL17 LRDIMMs need replacement in a Cisco HX240c M4?

The modules carry a limited lifetime warranty and have no scheduled replacement interval; replace only if a module fails diagnostics or the server firmware reports a correctable ECC error threshold breach.

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