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Kingston Technology Corp.

Kingston Technology Corp. KTH-PL421/8G 8GB DDR4 2133 ECC Registered server RAM

SKU CH-4XNB-5WHNT MPN KTH-PL421/8G

8GB DDR4 2133 ECC registered server memory with 1Rx4 rank and 1.20V operation

  • Total capacity8 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank1Rx4
  • Product type288-Pin DDR4 SDRAM
  • ECC protection prevents data corruption in critical workloads
  • Registered buffering reduces electrical load for stable server operation
  • DDR4 2133 speed delivers 17000 MB/s bandwidth for responsive performance
  • 20V operation lowers power draw and heat in dense configurations
  • 288-pin DDR4 form factor fits standard server memory slots

Server-grade DDR4 module

The Kingston KTH-PL421/8G is an 8GB DDR4 2133 registered DIMM with ECC and a 1Rx4 layout. It targets administrators who need error-correcting memory for compatible server or workstation platforms. The 288-pin form factor matches standard DDR4 slots in qualified systems.

Thermals noise and power

Operating at 1.20V, the module draws minimal power and produces little heat under typical server workloads. No active cooling is required on the DIMM itself, and the design adds no audible noise to the chassis. Thermal output stays within normal DDR4 limits for registered memory.

Registered ECC benefit

The registered buffer reduces electrical load on the memory controller, allowing larger populations of DIMMs per channel where the platform permits. ECC detects and corrects single-bit errors, improving data integrity for always-on services. These features function automatically when the platform enables them.

How it compares

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

Price $88.99
Cheaper than about 73% of the 6,523 comparable items (median $188.99).
Total capacity 8 GB
Lower than about 80% of the 6,064 comparable items (median 32 GB).
Price per GB $11.12 per GB
Pricier than about 71% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameKingston
Model nameKTH-PL421/8G
Total capacity8 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
ECC supportYes
Buffer typeRegistered
Memory rank1Rx4
Power
Rated voltage1.2 V
Size & build
Shipping weight0.07 kg
Package size145 × 51 × 13 mm

Questions about this item

How do I install this 288-pin DDR4 module and what step is often missed?

Align the notch with the slot key, press straight down until both retention clips click, then verify the server BIOS recognises the registered ECC configuration.

What maintenance or replacement will this 8GB registered ECC DDR4 need later?

No routine maintenance is required; replace only if memory diagnostics report correctable ECC errors that exceed the platform threshold.

What limit appears first on this 1.20V DDR4 2133 module under sustained load?

The JEDEC 1.20V operating voltage and 2133 MT/s data rate define the thermal and electrical ceiling during continuous operation.

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