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Crucial CT8G56C46U5 8GB DDR5-5600 UDIMM
Crucial

Crucial CT8G56C46U5.M4G1 8GB

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Overview:
8GB DDR5 5600MT/s CL46 memory module

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Manufacturer: Crucial Last updated: September 14, 2026

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Crucial CT8G56C46U5.M4G1 8GB Review

The Crucial CT8G56C46U5.M4G1 is an 8GB DDR5-5600 desktop module, another part-number variant of Crucial's bare CT8G56C46U5 spec.

We'd treat this exactly like Crucial's other CT8G56C46U5 suffix variants in this catalog, same 8GB/5600MT/s/CL46 spec, just a different SPD/vendor code.

Performance

5600MT/s CL46 puts true latency around 16.4ns at plain JEDEC timings with no XMP profile, consistent with the rest of Crucial's bare CT-series desktop lineup at this speed.

Comparison to Alternatives

This is the same part as Crucial's CT8G56C46U5.C4D already in this catalog, buy whichever suffix is in stock. For double the capacity at the same speed and timings, Crucial's CT16G56C46U5.M8D1 uses the identical spec at 16GB.

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Best for

  • Adding a second 8GB stick to an existing single-module PC
  • Budget office or light-use desktop builds

Not for

  • Gaming or content-creation builds (too little capacity)
  • Buyers wanting XMP-tuned speeds

Specifications

What these specs mean
Speed Score
6.0/10

How fast this kit is among DDR5 kits, rated from its speed and latency.

Identity

Peak Bandwidth44.8 GB/s
BrandCrucial
Part NumberCT8G56C46U5.M4G1
SeriesCrucial RAM

Memory

DDR GenerationDDR5
Capacity8 GB
Speed5600 MT/s
CAS Latency46
Module Count1
Voltage1.1 V

Physical

RGB LightingNo

Module and platform

RAM SegmentDesktop DDR5
Form FactorDesktop DIMM

Capacity

Capacity Per Module8 GB

Speed and timings

True Latency16.4 ns

Overclocking profile

XMP SupportNo
EXPO SupportNo

Silicon

Memory ICMicron
ECCNo

Physical and lighting

ColourGreen PCB

Commercial

WarrantyLimited Lifetime

FAQs

What are the key specifications of the Crucial CT8G56C46U5.M4G1 8GB?

Key specs for the Crucial CT8G56C46U5.M4G1 8GB: Capacity Per Module 8 GB, Capacity 8 GB, Speed 5600 MT/s, OC Profile JEDEC only, Voltage 1.1 V, DDR Generation DDR5.

Will the Crucial CT8G56C46U5.M4G1 8GB work with my current setup?

The Crucial CT8G56C46U5.M4G1 8GB lists DDR Generation is DDR5. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits. Our upgrade checker at /upgrade can confirm compatibility for common combinations.

Who is the Crucial CT8G56C46U5.M4G1 8GB best suited to?

Best suited to: Adding a second 8GB stick to an existing single-module PC; Budget office or light-use desktop builds.

What are the drawbacks of the Crucial CT8G56C46U5.M4G1 8GB?

Not the best fit for: Gaming or content-creation builds (too little capacity); Buyers wanting XMP-tuned speeds.

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