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Green rectangular DDR5 DIMM with black chips and gold contacts

Kingston Technology Corp.

Kingston Technology Corp. KTH-PL556D4-64G 64GB DDR5-5600 ECC Registered server RAM

SKU CH-E9PM-SF3XE MPN KTH-PL556D4-64G

64 GB DDR5-5600 ECC registered dual-rank DIMM with CL46 latency and 1.10 V operation

  • Total capacity64 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank2Rx4
  • 64 GB capacity supports demanding server workloads
  • DDR5 5600 MT/s speed enables high-throughput data processing
  • ECC registered design corrects errors for system stability
  • CL46 latency at 1.10 V balances responsiveness and efficiency
  • 288-pin DIMM form factor fits standard server memory slots

64 GB DDR5-5600 ECC Registered DIMM

This 64 GB DDR5 module runs at 5600 MT/s with CL46 latency and 1.10 V operation. It uses a 288-pin DIMM form factor and provides ECC registered buffering for server and workstation platforms.

Registered signal processing and ECC

Registered buffering stabilises the command bus at high density, while ECC corrects single-bit errors to protect data integrity. The dual-rank 2Rx4 organisation increases capacity per slot without additional modules.

5600 MT/s DDR5 speed rating

The module is rated for DDR5-5600 (PC5-44800) with a CL46 timing profile. Systems that require faster or slower DDR5 speeds, unbuffered DIMMs, or non-ECC memory will not match this specification.

How it compares

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

Price $1,785.99
Pricier than about 85% 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 $27.91 per GB
Pricier than about 89% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameKingston
Model nameKTH-PL556D4-64G
Total capacity64 GB
Product type288-Pin DDR5 SDRAM
Performance
Rated speedDDR5 5600 (PC5 44800)
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Memory profilesIntel XMP 2.0
Heat spreaderNo
Power
Rated voltage1.1 V
Size & build
Shipping weight0.05 kg
Package size161 × 46 × 6 mm

Questions about this item

Does the 288-pin DDR5 module require any periodic maintenance or component replacement after installation?

No, the 64GB DDR5-5600 registered DIMM has no moving parts or user-serviceable components and needs no scheduled maintenance once seated in the server.

What is the first performance limit reached when the CL46 2Rx4 modules run at 5600 MT/s continuously?

The CAS latency of 46 cycles at 5600 MT/s sets the timing boundary that appears before bandwidth or thermal limits during sustained workloads.

How much heat and power does a 1.10V 64GB registered DIMM produce during all-day operation?

At 1.10V the module draws low power and generates modest heat, aided by the bare DDR5 PCB design without a heat spreader.

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