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Micron 128GB 2Rx4 DDR5-6400 RDIMM ECC Server Memory

MPNMTC40F2047S1RC64BB1

Also known as MTC40F2047S1RC64B, MTC40F2047S1RC64BR

Micron MTC40F2047S1RC64BB1 is a 128GB DDR5-6400 registered ECC server module with a 2Rx4 layout and a low-profile height.

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Micron 128GB 2Rx4 DDR5-6400 RDIMM ECC Server Memory

MTC40F2047S1RC64BB1 · Refurbished · 1 year warranty

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Overview

Servers on DDR5 platforms that run memory at 6400 MT/s can use the Micron MTC40F2047S1RC64BB1 to add 128GB per slot. This registered ECC DIMM is dual rank with x4 chips (2Rx4) and runs with CAS latency 52.

The 288-pin module has a low-profile (LP) height, which helps in dense chassis where airflow and clearance are tight. Large RDIMMs are common in hosts for virtual machines, large databases and memory-hungry analytics, where total memory per server is the limit.

Running at 6400 MT/s depends on the processor and on how many DIMMs share each channel. If the platform drops speed with two modules per channel, the module will run at the lower rate. Check the server vendor's memory population guide before you order.

The MTC40F2047S1RC64BB1 comes New, Refurbished or Used. Pick 1 year or 3 years of warranty for New or Refurbished; Used carries 90 days.

Specifications

Micron MTC40F2047S1RC64BB1 specifications
Manufacturer part numberMTC40F2047S1RC64BB1
BrandMicron
ECCYes
Rank / organization2Rx4
Pin count288
Speed6,400 MT/s
Capacity128 GB
CAS latency52
Memory typeDDR5
Module typeRDIMM
Module heightLP (low profile)

Specifications from the manufacturer's datasheet ↗

Alternative part numbers

Other numbers for MTC40F2047S1RC64BB1, as printed on labels, spare-parts lists and manufacturer documents. Search works with any of them.

Alternative part numbers for MTC40F2047S1RC64BB1
Part numberTypeBrandNote
MTC40F2047S1RC64BAlternativeSame brandNumber without die/PCB revision suffixQuote this part number
MTC40F2047S1RC64BRAlternativeSame brandbase number without die revision, retail packQuote this part number

FAQ

What speed is the MTC40F2047S1RC64BB1 rated for?
6400 MT/s, with CAS latency 52.
How is this 128GB module organized?
Dual rank with x4 chips, written 2Rx4.
Does it need a server that supports RDIMMs?
Yes. It is a registered ECC DIMM, so the platform must support DDR5 RDIMMs.
What warranty comes with a refurbished module?
Refurbished and New modules come with 1 year or 3 years. Used modules carry 90 days.

Can't find the exact part?

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