Crucial DDR5 RDIMM 2Rx4 6400

1 x 128GB, 6400 MHz, DDR5-RAM, R-DIMM
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Memory configuration3

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Product details

The Crucial Technology DDR5 RDIMM 2Rx4 6400 is a high-performance memory module specifically designed for servers and workstations. With a storage capacity of 128 GB and a high clock speed of 6400 MHz, this RAM delivers impressive performance and efficiency. The CAS latency of 52 ensures quick response times, while the registered buffering provides stability and reliability in demanding applications. The DDR5 standard allows for a higher transfer rate of 6400 megatransfers per second, significantly accelerating data processing. This memory is ideal for complex tasks and multitasking in professional environments where high performance and reliability are required.

Key specifications

Memory configuration
1 x 128GB
Memory type
DDR5-RAM
Storage clock frequency
6400 MHz
RAM buffer
ECC Registered, Registered
CAS latency
52
Nominal voltage
1.10 V

General information

Item number
56765586
Manufacturer
Crucial
Category
RAM
Manufacturer No.
MTC40F2047S1RC64BR
Release date
27.3.2025

Memory

Memory configuration
1 x 128GB
Hardware application range
Server / Workstation
Memory type
DDR5-RAM
Storage clock frequency
6400 MHz
Transfer rate
6400 MT/s
Memory form factor
R-DIMM
Number of pins
288x
RAM buffer
ECC Registered, Registered
CAS latency
52

Power supply

Nominal voltage
1.10 V

Voluntary climate contribution

CO₂ emissions
329.8 kg
Climate contribution
CHF 7.85

30-day right of return
10 years Warranty (Bring-in)
3 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «RAM» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 9.HPE
    0.5 %
  • 9.Samsung
    0.5 %
  • 11.Crucial
    0.6 %
  • 11.Kingston
    0.6 %
  • 13.Teamgroup
    0.7 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 4.Adata
    1 day
  • 5.Corsair
    2 days
  • 5.Crucial
    2 days
  • 5.G.Skill
    2 days
  • 5.Kingston
    2 days

Return rate

How often is a product of this brand in the «RAM» category returned?

Source: Digitec Galaxus
  • 1.Synology
    3.7 %
  • 1.Teamgroup
    3.7 %
  • 3.Crucial
    3.8 %
  • 3.Lexar
    3.8 %
  • 5.Kingston
    4.2 %
Source: Digitec Galaxus