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

Kingston Technology Corp.

Kingston Technology Corp. KTD-PE421/16G 16GB 288-Pin DDR4 2133 Registered ECC memory upgrade

SKU CH-A0FT-BBGAR MPN KTD-PE421/16G

16 GB DDR4 2133 ECC registered module for Dell systems, 288-pin PC4-17000

  • Capacity16GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2133 (PC4 17000)
  • ECCYes
  • Buffered/RegisteredRegistered
  • Heat SpreaderNo
  • 16 GB capacity for demanding workloads
  • DDR4 2133 speed for responsive performance
  • ECC registered design protects data integrity
  • 288-pin DDR4 form factor fits compatible Dell systems
  • System-specific engineering ensures guaranteed compatibility

Dell system upgrade

This 16GB DDR4 module is built to the exact specifications of compatible Dell servers and workstations. It uses registered ECC technology to detect and correct single-bit errors, helping to maintain data integrity in critical workloads. The 288-pin form factor matches the memory slots on supported platforms.

Sustained workload behaviour

Registered buffering reduces electrical load on the memory controller, allowing stable operation when all slots are populated over long periods. ECC correction runs continuously without halting the system, so background errors are handled transparently during extended compute tasks. The DDR4 2133 rating delivers consistent bandwidth for memory-bound server applications.

Thermals noise and power

Without a heat spreader, the module relies on chassis airflow for cooling in typical server environments. Registered components draw slightly more power than unbuffered equivalents, but remain within standard DDR4 limits for the platform. Silent operation is assured because the module has no moving parts or active cooling.

Highlights

  • 16 GB capacity for demanding workloads
  • DDR4 2133 speed for responsive performance
  • ECC registered design protects data integrity
  • 288-pin DDR4 form factor fits compatible Dell systems
  • System-specific engineering ensures guaranteed compatibility

Specifications

BrandKingston
ModelKTD-PE421/16G
Capacity16GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2133 (PC4 17000)
ECCYes
Buffered/RegisteredRegistered
Heat SpreaderNo
Compatible SystemDell
Shipping weight0.03 kg
Package size146 × 46 × 9 mm

Questions about this item

How much heat does the 16GB DDR4 2133 registered ECC module produce during continuous operation?

The module runs without a heat spreader, so it relies on case airflow to stay cool; its registered design reduces electrical load on the memory controller, which helps keep power draw modest for a 16GB stick.

What motherboard slot and chipset support are required for this 288-pin DDR4 2133 registered ECC module?

You need a DDR4 288-pin DIMM slot and a platform that accepts registered ECC memory — typically a server or workstation board — because standard consumer chipsets do not support registered modules.

Will this 16GB DDR4 2133 registered ECC module run alongside older DDR4 registered ECC sticks at different speeds?

Yes — the system will clock all installed DDR4 registered ECC modules to the lowest common speed, so this PC4 17000 stick will downclock to match slower DDR4 registered ECC modules you keep.

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