Samsung 32GB DDR4-2933 ECC Registered Server DIMM (M393A4K40CB2-CVF)

Samsung 32GB DDR4-2933 ECC Registered Server DIMM

The Samsung M393A4K40CB2-CVF is a proven enterprise-grade 32GB DDR4 RDIMM designed for server environments demanding reliability, stability, and error-free operation. Running at DDR4-2933 (PC4-23466) with CL21 latency and 1.2V operating voltage, this registered ECC module delivers consistent performance with low power consumption across 24/7 server workloads.

As a Registered (Buffered) DIMM, it includes an onboard register that enhances clock, command, and control signals — enabling greater stability in multi-DIMM configurations and supporting up to 3 DIMMs per channel (3DPC). ECC (Error Correcting Code) with 8-bit parity signals detects and corrects single-bit memory errors in real time, protecting data integrity in mission-critical applications. Supports x4/x8 organization and up to 2 ranks per DIMM. Manufactured by Samsung — the world's leading DRAM supplier.

Key Features

• 32GB Capacity — High-density single module for server memory expansion
• DDR4-2933 (PC4-23466) — High-speed server-grade DDR4
• ECC (Error Correcting Code) — Detects and corrects single-bit errors for data integrity
• Registered (Buffered) — Enhanced signal stability for multi-DIMM and high-density configurations
• Dual-Rank — Supports up to 2 ranks per DIMM and 3DPC configurations
• 1.2V Low Voltage — Energy-efficient operation for always-on server environments
• 288-Pin DIMM — Standard server DIMM form factor
• Samsung DRAM — Proven global market leader in enterprise memory

Technical Specifications

• Capacity: 32GB (1 x 32GB)
• Memory Type: DDR4 SDRAM
• Speed: 2933 MHz (DDR4-2933 / PC4-23466)
• Form Factor: 288-pin DIMM
• CAS Latency: CL21
• Voltage: 1.20V
• Error Checking: ECC
• Signal Processing: Registered (Buffered)
• Rank: Dual-Rank
• Organization: x4 / x8
• Device Support: Server
• Part Number: M393A4K40CB2-CVF
• Country of Origin: United States