Micron 32GB 6400MHz DDR5 PC5-51200 ECC Registered CL52 288-Pin DIMM 1.1V Dual Rank x8 Memory Module – MTC20F2085S1RC64BD2R

Micron 32GB DDR5-6400 ECC RDIMM 2Rx8 — MTC20F2085S1RC64BD2R (Renesas Register)

The Micron MTC20F2085S1RC64BD2R is a 32GB DDR5-6400 ECC Registered DIMM (RDIMM) operating at 6400MHz (PC5-51200) with CL52 latency at 1.1V in Dual Rank x8 configuration. The R suffix denotes the Renesas register component variant of the BD2 revision for next-generation Intel Xeon Scalable and AMD EPYC DDR5-6400 platforms.

Key Features

• Renesas register component (R suffix)
• DDR5-6400 — highest standard DDR5 server speed tier
• 32GB Dual Rank x8 (2Rx8)
• BD2 production revision
• ECC Registered — register buffer for enterprise server reliability

Product Specifications

• Part Number: MTC20F2085S1RC64BD2R
• Manufacturer: Micron
• Base Part: MTC20F2085S1RC64BD2
• Capacity: 32GB
• Type: DDR5 ECC RDIMM
• Speed: 6400MHz (PC5-51200)
• CAS Latency: CL52
• Voltage: 1.1V
• Ranks x Width: 2Rx8
• Pins: 288-pin

Memory Specifications

• Bandwidth: PC5-51200 (51.2 GB/s theoretical)
• On-Die ECC: Yes (DDR5 standard)
• RAS Features: ECC and registered buffer

Use Cases

• Next-generation Intel Xeon Scalable and AMD EPYC DDR5-6400 platforms requiring Renesas register variant
• Platforms where server QVL specifies BD2R Renesas variant
• High-performance computing requiring maximum DDR5 bandwidth at 32GB per slot

Compatibility

• DDR5 RDIMM slots on Intel Xeon Scalable (LGA4677) servers supporting DDR5-6400
• AMD EPYC (SP5) DDR5 server platforms supporting DDR5-6400
• Verify server QVL for BD2R Renesas variant qualification
• Not compatible with DDR4 slots or DDR5-4800/5600 only platforms

Frequently Asked Questions

What does the R suffix mean in MTC20F2085S1RC64BD2R?

The R suffix indicates a Renesas register component variant. Electrical specifications are identical to MTC20F2085S1RC64BD2 — the difference is the register chip vendor.

What is the difference between MTC20F2085S1RC64BD2R and MTC20F2085S1RC64BD2?

MTC20F2085S1RC64BD2R uses a Renesas register component while MTC20F2085S1RC64BD2 is the standard variant. Electrical specifications are identical — verify your server QVL for the qualified variant.

What does 2Rx8 mean?

Dual Rank x8 — two ranks of x8 (8-bit wide) DRAM devices providing dual-rank bandwidth benefits in a 32GB module.

The Micron MTC20F2085S1RC64BD2R delivers 32GB DDR5-6400 ECC RDIMM in 2Rx8 configuration with Renesas register component — the BD2R variant for next-generation Intel Xeon Scalable and AMD EPYC DDR5-6400 server platforms.