MDRR644QDBC2-3G000 Samsung 64GB DDR5-6400 ECC RDIMM 2Rx4 1.1V Memory

64GBDDR5-6400RDIMM2Rx41.1V

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Tier-1 Memory

Samsung, Micron & SK Hynix

Server Compatibility

Dell, HPE, Lenovo, Cisco and more

Volume Pricing

Fast response for B2B quantity requests

Technical Support

Compatibility and sourcing assistance

Overview

  • Samsung MDRR644QDBC2-3G000 – 64GB DDR5-6400 ECC Registered DIMM
    High-capacity, high-speed DDR5 server memory from Samsung, designed for multi-VM environments, standard datacenter workloads. JEDEC PC5-51200R compliant.
  • Compatible with Major Server Brands
    Built with Dual Rank x4 architecture, this Samsung RDIMM works flawlessly in servers from Dell, HPE, Lenovo, Cisco, and others that support DDR5-6400 ECC Registered memory.
  • Optimized Performance
    Delivers 6400 MT/s with CL52 latency at 1.1V.
  • Genuine Samsung Quality
    Manufacturer-grade reliability, backed by warranty. Trusted in datacenters, telecom networks, and enterprise IT environments worldwide.

MDRR644QDBC2-3G000 Specifications

Manufacturer

Samsung

Part Number

MDRR644QDBC2-3G000

Memory Size

64GB

Memory Speed

DDR5-6400

Memory Technology

DDR5

Speed

6400

Rank and Organization

2Rx4

Rank Type

Dual Rank

Chip Organization

x4

Error Correction (ECC)

ECC

CAS Latency

CL52

DIMM Type

Registered

Form Factor

RDIMM

Voltage

1.1V

Pins

288

Height

STD

JEDEC Specification

PC5-51200R

Temperature

0°C to 95°C

Compatible Systems

Same-Spec Alternatives

Alternative part numbers with matching key specifications.

PicturePart NumberBrandSizeSpeedForm FactorShips InStockPrice
M321R8GA0EB2-CCP Samsung 64GB DDR5-6400 ECC RDIMM Server Memory
Samsung64GBDDR5-6400RDIMM
🟢4–5D
100

$ 3,696

M321R8GA0PB2-CCP Samsung 64GB DDR5-6400 ECC RDIMM Server Memory
Samsung64GBDDR5-6400RDIMM
🟢4–5D
1000

$ 3,696

HMCG94AHBRA278N SK Hynix 64GB DDR5-6400 ECC RDIMM Server Memory
SK Hynix64GBDDR5-6400RDIMM
🟢3–4D
14

$ 3,675

HMCG94AHBRA280N SK Hynix 64GB DDR5-6400 ECC RDIMM Server Memory
SK Hynix64GBDDR5-6400RDIMM
🟢3–4D
100

$ 3,675

MDRR644QDBC2-3L000 Samsung 64GB DDR5-6400 ECC RDIMM Server Memory
Samsung64GBDDR5-6400RDIMM
🟢3–4D
100

$ 3,675

MTC40F2046S1RC64BH1R Micron 64GB DDR5-6400 ECC RDIMM Server Memory
Micron64GBDDR5-6400RDIMM
🟢3–4D
93

$ 3,675

HMCG94AHBRA487N SK Hynix 64GB DDR5-6400 ECC RDIMM Server Memory
SK Hynix64GBDDR5-6400RDIMM
🟢3–4D
50

$ 3,587

MTC40F2046S1RC64BD2T Micron 64GB DDR5-6400 ECC RDIMM Server Memory
Micron64GBDDR5-6400RDIMM
🟢3–4D
114

$ 3,396

MTC40F2046S1RC64BD2 Micron 64GB DDR5-6400 ECC RDIMM Server Memory
Micron64GBDDR5-6400RDIMM
🟢3–4D
401

$ 3,396

HMCG94CHBRA280N SK Hynix 64GB DDR5-6400 ECC RDIMM Server Memory
SK Hynix64GBDDR5-6400RDIMM
🟢3–4D
100

$ 3,396

HMCG94CHBRA282N SK Hynix 64GB DDR5-6400 ECC RDIMM Server Memory
SK Hynix64GBDDR5-6400RDIMM
🟢3–4D
99

$ 3,396

HMCG94CHBRA403N SK Hynix 64GB DDR5-6400 ECC RDIMM Server Memory
SK Hynix64GBDDR5-6400RDIMM
🟢3–4D
55

$ 3,396

MTC40F2046S1RC64BH1T Micron 64GB DDR5-6400 ECC RDIMM Server Memory
Micron64GBDDR5-6400RDIMM
🟢7–8D
500

$ 3,284

MTC40F2046S1RC64BH1 Micron 64GB DDR5-6400 ECC RDIMM Server Memory
Micron64GBDDR5-6400RDIMM
🟢4–5D
100

$ 3,239

HMCG94BHBRA276N SK Hynix 64GB DDR5-6400 ECC RDIMM Server Memory
SK Hynix64GBDDR5-6400RDIMM
🟢4–5D
700

$ 3,043

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