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Green rectangular circuit board with gold edge connectors and black memory chips

Kingston Technology Corp.

Kingston Technology Corp. KTH-PL556S8-16G 16GB DDR5 5600 CL46 1.10V ECC Registered 288-pin RDIMM server RAM

SKU CH-90GZ-JR4BE MPN KTH-PL556S8-16G

16 GB DDR5-5600 registered ECC RDIMM at CL46 and 1.10 V for server workloads

  • Capacity16GB
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 5600 (PC5 44800)
  • CAS LatencyCL46
  • Voltage1.10V
  • ECCYes
  • ECC protection prevents data corruption in critical workloads
  • 5600 MHz DDR5 speed accelerates server throughput
  • Registered design stabilises signals on dense memory buses
  • 10 V operation reduces platform power draw
  • Single-rank 1Rx8 layout optimises channel efficiency

Server RDIMM for ECC workloads

This Kingston KTH-PL556S8-16G module provides 16GB of DDR5 memory in a 288-pin registered DIMM format. It is built for servers and workstations that require error-correcting code protection for data integrity.

Registered ECC with CL46 latency

The module operates at DDR5 5600 speed with a CAS latency of CL46 and runs at 1.10V. Registered signal processing and on-die ECC support help maintain stability under sustained loads in multi-socket platforms.

Suits single-rank DDR5-5600 server builds

It fits systems that accept 1Rx8 registered DDR5 DIMMs at this voltage and pin count. Builders needing higher capacities per slot, lower latency timings, or non-ECC unbuffered memory for consumer platforms should look elsewhere.

Highlights

  • ECC protection prevents data corruption in critical workloads
  • 5600 MHz DDR5 speed accelerates server throughput
  • Registered design stabilises signals on dense memory buses
  • 10 V operation reduces platform power draw
  • Single-rank 1Rx8 layout optimises channel efficiency

Specifications

BrandKingston
ModelKTH-PL556S8-16G
Capacity16GB
Type288-Pin DDR5 RDIMM
SpeedDDR5 5600 (PC5 44800)
CAS LatencyCL46
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx8
Heat SpreaderNo
Shipping weight0.23 kg
Package size152 × 51 × 3 mm

Questions about this item

How does the 5600 MT/s speed translate to real-world throughput in a server?

The module runs at DDR5-5600, delivering up to 44800 MB/s of peak bandwidth per channel when the platform is configured for that data rate.

What does the PC5-44800 designation cap in practice?

PC5-44800 is the JEDEC standard name for DDR5-5600; it defines the maximum rated transfer rate and timing envelope the DIMM is validated to meet.

Will the 288-pin RDIMM form factor fit my server's memory slots?

Yes, this is a standard 288-pin DDR5 RDIMM (1Rx8, registered, ECC) designed for server and workstation DIMM sockets that accept registered modules.

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