KD421RDK64 Kingston 64GB (4x16GB) DDR4 Reg ECC PC4-17000 2133Mhz RDIMM Memory

Kingston 64GB (4x16GB) DDR4 Registered ECC Server Memory Kit

Maximize your server's memory capacity in one go with the Kingston KD421RDK64 — a complete 64GB kit comprising four 16GB DDR4 Registered ECC DIMMs running at 2133MHz (PC4-17000). Ideal for system builders and data center administrators looking to fully populate memory channels in a single purchase, this kit delivers consistent, matched performance with Kingston's enterprise-grade reliability.

Key Specifications

• Total Capacity: 64GB (4 x 16GB)
• Type: DDR4 Registered ECC (RDIMM)
• Speed: 2133MHz (PC4-17000)
• Kit Configuration: 4-module kit
• Part Number: KD421RDK64
• Vendor: Kingston Technology

Why Choose This Kit?

• Matched 4-Module Kit — Factory-tested as a set for guaranteed compatibility and consistent performance across all four DIMMs, eliminating guesswork when populating memory slots.
• ECC Error Correction — Detects and corrects single-bit memory errors on the fly, ensuring data integrity in 24/7 mission-critical server environments.
• Registered (Buffered) Design — Reduces electrical load on the memory controller, enabling stable operation in high-DIMM-count server configurations.
• Full Channel Population — Four modules allow optimal memory interleaving across dual or quad-channel server platforms, maximizing memory bandwidth.
• Kingston Enterprise Quality — Rigorously tested for compatibility with major server platforms, backed by Kingston's industry-leading quality assurance.

Ideal For

Enterprise servers, virtualization hosts, and workstations requiring a complete DDR4 RDIMM memory upgrade at 2133MHz. A cost-effective solution for fully populating server memory slots and maximizing system performance in existing DDR4 infrastructure.