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Green 288-pin DDR5 RDIMM module with black memory chips, no heat spreader

Kingston Technology Corp.

Kingston Technology Corp. KSM56R46BD4-64MD 64GB DDR5-5600 CL46 2Rx4 RDIMM server RAM

SKU CH-1VPP-S0GW7 MPN KSM56R46BD4-64MD

64 GB DDR5 RDIMM running at 5600 MHz with CL46 latency, ECC and registered dual-rank design for server workloads

  • Total capacity64 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • CAS latencyCL46
  • Memory timings46-45-45
  • Rated voltage1.1 V
  • Buffer typeRegistered

Capacity 64GB

Rank 2Rx4

Model Micron, DRAM Lock

  • 64 GB capacity supports heavy multitasking and large datasets
  • DDR5-5600 speed delivers 5600 MT/s data rates for demanding workloads
  • ECC and registered design protect data integrity in server environments
  • 2Rx4 dual-rank organisation increases memory density per channel
  • 10 V operation reduces power draw compared to previous DDR generations

64GB DDR5-5600 Registered ECC Module

This 64GB DDR5 RDIMM runs at 5600 MHz with CL46 latency and 1.10V operation. It uses a 2Rx4 dual-rank layout and registered signal processing for server workloads. ECC support corrects single-bit errors to protect data integrity. The module targets enterprise servers and workstations that require registered memory.

Compatibility Checklist

Verify the motherboard accepts 288-pin DDR5 RDIMMs and supports registered ECC operation at 5600 MHz. Confirm the CPU and chipset enable ECC and registered modes. Ensure the BIOS recognises dual-rank 2Rx4 modules at this density. No heat spreader is present, so check airflow clearance in dense configurations.

Build Integration

The registered design reduces electrical load on the memory controller, allowing higher total capacity per channel. ECC frees the system from silent data corruption in critical tasks. Dual-rank organisation increases density without adding slots. The module needs a DDR5 RDIMM slot, 1.10V supply and compatible server platform.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $2,115.99
Pricier than about 87% of the 6,523 comparable items (median $188.99).
Total capacity 64 GB
Higher than about 70% of the 6,064 comparable items (median 32 GB).
Price per GB $33.06 per GB
Pricier than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameKingston
Model nameKSM56R46BD4-64MD
Total capacity64 GB
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
CAS latencyCL46
Memory timings46-45-45
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Size & build
Shipping weight0.05 kg
Package size163 × 47 × 6 mm

Other versions of this model

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Questions about this item

Does the 64GB DDR5-5600 RDIMM ship with any cables, brackets or heat spreader, or must those be sourced separately?

The module arrives as a single 288-pin RDIMM with no heat spreader and no extra accessories; cables and brackets are not required for installation.

When should I choose this 2Rx4 64GB stick versus a lower-capacity or single-rank alternative?

Pick this 64GB 2Rx4 registered ECC module when your server board supports DDR5-5600 RDIMMs and you need maximum capacity per slot with dual-rank density.

What does the CL46 5600 MT/s rating deliver in an actual server workload?

At 5600 MT/s with 46-45-45 timings and 1.10 V, the module provides registered ECC bandwidth of PC5-44800 for memory-intensive server tasks.

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