Micron · MTC20F2085S1RC64BH1
Micron 32GB DDR5-6400 ECC RDIMM Server Memory
A 32GB Micron DDR5-6400 ECC registered DIMM with CL52 latency and 2Rx8 dual-rank organization. Designed for compatible servers and professional platforms supporting DDR5 RDIMMs. Verify the system support list and DIMM population rules before installation.
- 32GB per module / DDR5-6400 MT/s
- ECC registered RDIMM / 2Rx8 dual rank
- CL52 / 288 pins / x80 module bus
- 1.1V I/O / manufacturer operating range 0–95°C
- Verify the server support list and DIMM population rules
Published model specifications describe available options, not the delivered configuration.
Configurations & prices
Listed price: $1,342.33
Listed prices are indicative; confirm tax, stock, compatibility, lead time and service in a written quotation.
Specifications & selection notes
Capacity and Speed
| Manufacturer part number | MTC20F2085S1RC64BH1 |
|---|---|
| Capacity | 32GB（Per module / per module） |
| Technology | DDR5 SDRAM |
| Rated data rate | 6400 MT/s |
| Memory clock | 3200 MHz |
| CAS latency | CL52 |
Module Organization and ECC
| Module type | RDIMM / Registered DIMM |
|---|---|
| ECC Error correction ECC | Supports / Supported |
| Registered | Supports / Supported |
| Rank organization | 2Rx8（Dual Rank / dual rank） |
| Component width | x8 |
| Module bus width | x80 |
| Pin count | 288 |
| DRAM component count | 20 |
Electrical and Environmental
| I/O voltage | 1.1V |
|---|---|
| Manufacturer operating range | 0°C to +95°C |
| DRAM die density | 16Gb |
| DRAM die revision | H |
Platform Compatibility and Installation
| Supported socket type | Only for platforms supporting DDR5 ECC RDIMM Servers and professional platforms；Cannot be used on platforms supporting only UDIMM Or SO-DIMM Platforms。 / Requires DDR5 ECC RDIMM support; not for UDIMM-only or SO-DIMM platforms. |
|---|---|
| Platform checks | Check the complete server model、CPU、BIOS、Per module 32GB Capacity、2Rx8 Organization and manufacturer compatibility list。 / Verify server model, CPU, BIOS, 32GB module support, 2Rx8 organization and the vendor support list. |
| Actual operating speed | Rated 6400 MT/s Not all platforms are guaranteed to achieve this speed；Actual speed depends on CPU、Motherboard、BIOS、Per channel DIMM Quantity and mixed population。 / Actual speed depends on CPU, board, BIOS, DIMMs per channel and mixed configurations. |
| Population and mixing | Follow the system manufacturer's channel-population and mixing rules，Check existing memory labels before purchase。 / Follow the system vendor's population and mixing rules; check existing module labels before ordering. |
| Mechanical fit | Check installation space against the exact-part mechanical drawing and server maintenance manual，Do not use DRAM Chip package dimensions as module dimensions。 / Verify the part-specific module drawing and server manual; chip package dimensions are not module dimensions. |
Documentation and Image Notes
| Micron product page | https://www.micron.com/products/memory/dram-modules/rdimm/part-catalog/part-detail/mtc20f2085s1rc64bh1 |
|---|---|
| Datasheet (manufacturer login required) | https://www.micron.com/content/dam/micron/global/secure/products/data-sheet/modules/rdimm/ddr5/mtc20f2085s1rc-drx8-rdimm-dierevh.pdf |
| Datasheet scope | The manufacturer document index was checked for family specifications；Complete PDF May require Micron Account login。 / Manufacturer document metadata has been checked; full PDF access may require a Micron account. |
| Main image | Micron DDR5 RDIMM Series illustration，Not a photograph of this exact part number；Appearance is subject to the actual supplied product。 / Micron DDR5 RDIMM family illustration, not an exact-part photograph; delivered appearance may differ. |
| Image source | https://www.cdw.ca/product/micron-ddr5-module-32-gb-dimm-288-pin-pc5-25600-registered/8572055 |
| Sources checked | 2026-09-17 |
Product images
Images are references. Components, interfaces and the delivered configuration are specified in the quotation.
Enquire about MTC20F2085S1RC64BH1
Provide quantity, workload and component requirements to confirm the configuration and quotation.