KD421SR8G Kingston 8GB DDR4 Reg ECC PC4-17000 2133Mhz Single Rank x4 RDIMM Memory

Kingston 8GB DDR4 Registered ECC Server Memory

Build a reliable server foundation with the Kingston KD421SR8G — an 8GB DDR4 Registered ECC DIMM running at 2133MHz (PC4-17000). With its single-rank x4 configuration, this module offers low-latency memory access and broad platform compatibility, making it an excellent choice for entry-level server builds or expanding existing DDR4 infrastructure with proven Kingston quality.

Key Specifications

• Capacity: 8GB
• Type: DDR4 Registered ECC (RDIMM)
• Speed: 2133MHz (PC4-17000)
• Rank / Width: Single Rank, x4
• Part Number: KD421SR8G
• Vendor: Kingston Technology

Why Choose This Module?

• ECC Error Correction — Detects and corrects single-bit memory errors on the fly, protecting data integrity in always-on server environments.
• Single Rank x4 Design — Lower latency access patterns ideal for latency-sensitive workloads and broad compatibility across DDR4 RDIMM server platforms.
• Registered (Buffered) Design — Reduces electrical load on the memory controller, supporting stable multi-DIMM configurations in enterprise servers.
• Kingston Reliability — Rigorously tested for compatibility with major server platforms, backed by Kingston's industry-leading quality assurance standards.

Ideal For

Entry-level and mid-range enterprise servers, workstations, and virtualization hosts requiring DDR4 RDIMM at 2133MHz. A cost-effective, dependable option for populating or expanding memory in existing DDR4 server infrastructure.