Micron DDR5 RDIMM 64GB 2Rx4 6400MT/s CL52 ECC Registered Server Memory
PRODUCT DESCRIPTION
Micron DDR5 RDIMM 64GB 2Rx4 6400MT/s CL52 ECC Registered Server Memory MTC40F2046S1RC64BH1 - 3 Years Warranty
DDR5-6400 Server Memory
A 64GB dual-rank x4 DDR5 registered DIMM running at 6400 MT/s, CL52, for current-generation dual-socket servers.
Built for Reliability
Registered ECC design with on-module power management for stable operation under heavy, sustained workloads.
Micron Quality
Engineered and built by Micron, one of the world's largest DRAM manufacturers, with a 3-year warranty.
Micron DDR5 RDIMM 64GB Datasheet — Technical Specifications
General
| Product Name | Micron DDR5 RDIMM 64GB |
| Part Number | MTC40F2046S1RC64BH1 |
| Module Type | DDR5 Registered DIMM (RDIMM), ECC |
| Capacity | 64GB |
| Packaging | Bulk tray module |
| Warranty | 3 years |
Memory
| Speed | DDR5-6400 (6400 MT/s, PC5-51200) |
| CAS Latency | CL52 |
| Rank / Organisation | Dual rank, 2Rx4 |
| DRAM Die | 16Gb DDR5 |
| Error Correction | ECC (registered) |
| Voltage | VDD / VDDQ 1.1 V |
Physical
| Form Factor | 288-pin DIMM |
| On-module | Power management IC (PMIC) and SPD hub |
Compatibility & Applications
Typical Use
Memory upgrades and new builds for DDR5 servers and workstations running virtualisation, databases, analytics and AI inference.
Platform Notes
RDIMMs work only in systems that support registered DDR5 memory; they cannot be used in boards built for unbuffered (UDIMM) desktop memory. Check your server vendor's memory configuration guide for supported speeds and population rules.
Selection Tip
Populate every memory channel evenly with identical modules for best bandwidth.
Package Contents & Micron Ordering Information
In the Box
1 x Micron DDR5 RDIMM 64GB module (bulk tray packaging).
Micron Data Center Memory & SSDs at SourceIT
| Model | Key feature |
| MTC40F2046S1RC64BH1 (this listing) | DDR5 RDIMM 64GB 2Rx4 6400 MT/s CL52 (tray) |
| MTC40F2047S1RC64BB1R | DDR5 RDIMM 128GB 2Rx4 6400 MT/s CL52, 32Gb die |
| MTFDDAK480TGA-1BC1ZABYYR | 5400 PRO 480GB SATA 2.5" 7mm |
| MTFDDAK1T9TGA-1BC1ZABYYR | 5400 PRO 1.92TB SATA 2.5" 7mm |
| MTFDKBA480TFR-1BC15ABYYR | 7450 PRO 480GB NVMe Gen4 M.2 2280, TCG Opal |
| MTFDKBA960TFR-1BC15ABYYR | 7450 PRO 960GB NVMe Gen4 M.2 2280, TCG Opal |
| MTFDLAL3T8THG-1BP1DFCYYR | 7600 PRO 3.84TB NVMe Gen5 U.2 15mm |
| MTFDLAL15T3THG-1BP1DFCYYR | 7600 PRO 15.36TB NVMe Gen5 U.2 15mm |
| MTFDLBQ7T6THA-1BK1DABYYR | 9550 PRO 7.68TB NVMe Gen5 E3.S 7.5mm |
Official Micron Videos
Micron DDR5: Next-Generation Memory Transforming Data into Insight (official Micron Technology channel)
Micron DDR5: How It Delivers More Than 2x Effective Bandwidth (official Micron Technology channel)
Datasheet & Downloads
| RDIMM product family | Micron DDR5 RDIMM on micron.com |
| 128GB product brief | Micron 128GB DDR5 RDIMM Product Brief (PDF) |
Frequently Asked Questions — Micron DDR5 RDIMM 64GB
Is this ECC memory?
Yes. It is a registered ECC DDR5 module (RDIMM).
Will it work in a desktop PC?
No. RDIMMs need a server or workstation platform that supports registered DDR5.
Is it sold singly?
This listing is for one 64GB module supplied from Micron bulk tray packaging. Contact us for volume quantities.
What warranty do I get?
3 years.
Do I get a GST invoice?
Yes. Supplied by SourceIT in Singapore with a GST invoice.


