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Micron 64GB 2Rx4 DDR5-6400 RDIMM ECC Server Memory

MPNMTC40F2046S1RC64BH1

Also known as MTC40F2046S1RC64BD2, MTC40F2046S1RC64B

The Micron MTC40F2046S1RC64BH1 is a 64GB DDR5 registered ECC DIMM rated at 6400 MT/s, in a low-profile 2Rx4 build.

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Tested, cleaned and graded. Fully functional, with warranty.

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Micron 64GB 2Rx4 DDR5-6400 RDIMM ECC Server Memory

MTC40F2046S1RC64BH1 · Refurbished · 1 year warranty

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Overview

At 6400 MT/s, the MTC40F2046S1RC64BH1 is a DDR5 RDIMM for servers whose memory controllers run at that speed. Capacity is 64GB per module, CAS latency is 52, and the layout is 2Rx4. The 288-pin module has ECC and a low-profile (LP) height.

Registered DDR5 like this is used to populate every channel in a dual-socket server, where capacity per slot and error correction both count. Fill channels evenly with identical modules for balanced performance.

Micron also lists the number MTC40F2046S1RC64BD2 for this module. Mention it if that is the number on your existing memory or in your purchase records.

You can choose New, Refurbished or Used. New and Refurbished units come with 1 year or 3 years of warranty; Used units come with 90 days.

Specifications

Micron MTC40F2046S1RC64BH1 specifications
Manufacturer part numberMTC40F2046S1RC64BH1
BrandMicron
ECCYes
Rank / organization2Rx4
Pin count288
Speed6,400 MT/s
Capacity64 GB
CAS latency52
Memory typeDDR5
Module typeRDIMM
Module heightLP (low profile)

Specifications from the manufacturer's datasheet ↗

Alternative part numbers

Other numbers for MTC40F2046S1RC64BH1, as printed on labels, spare-parts lists and manufacturer documents. Search works with any of them.

Alternative part numbers for MTC40F2046S1RC64BH1
Part numberTypeBrandNote
MTC40F2046S1RC64BD2AlternativeSame brandMicron die/PCB revision of the same module (Micron part numbering guide: revision suffix after the speed grade) (die rev D, PCB 2)Quote this part number
MTC40F2046S1RC64BAlternativeSame brandbase number without die/PCB revisionQuote this part number

FAQ

What speed is the MTC40F2046S1RC64BH1 rated for?
6400 MT/s, with a CAS latency of 52.
Does this module support ECC?
Yes. It is a registered ECC DIMM.
What other Micron number matches this part?
MTC40F2046S1RC64BD2 is listed as an alternative part number.
What warranty comes with a used module?
Used modules carry 90 days. New and Refurbished carry 1 year or 3 years.

Can't find the exact part?

Send us the part number. We search our supplier network for new, refurbished and used stock and reply within 1 business day.

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