Technical Snapshot

The Crucial 128GB (2x64GB) is a high-performance DDR5 desktop memory kit with XMP 3.0 overclocking support. Running at 5,600 MT/s with CL46-46-46-90 timings at 1.1V, it supports XMP 3.0 profiles for one-click speed optimization in compatible BIOS. The kit provides 128GB (2x64GB) of DDR5 memory . Backed by a Limited Lifetime warranty, targeting enthusiast PC builders, gamers, and content creators requiring high-bandwidth memory.

Use Case: Gaming, content creation, desktop computing
Compatibility: DDR5-compatible desktop motherboard
Category: DDR5 DIMM — Crucial Crucial

Crucial RAM

Crucial Crucial

Crucial 128GB (2x64GB)

Name: Crucial 128GB (2x64GB)
Brand: Crucial
SKU: CT2K64G56C46U5
Availability: InStock

DDR5 · DIMM · 5,600 MT/s · CL46-46-46-90 · 128GB (2x64GB)

Speed 5,600 MT/s

Capacity 128GB (2x64GB)

Timings CL46-46-46-90

Profile XMP 3.0

MPNCT2K64G56C46U5

EAN649528944184

CategoryMemory

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Memory Specifications

Memory TypeDDR5

Form FactorDIMM

Total Capacity128GB (2x64GB)

Speed5,600 MT/s

TimingsCL46-46-46-90

Voltage1.1V

XMP/EXPO ProfileXMP 3.0

Module Height33.5 mm

WarrantyLimited Lifetime

Full Specifications

Data sourced from Crucial product specifications

Memory
Product Line	Crucial
Memory Type	DDR5
Form Factor	DIMM
Total Capacity	128GB (2x64GB)
Module Count	2
Module Capacity	64GB
Speed	5,600 MT/s
Timings & Voltage
Timings	CL46-46-46-90
Voltage	1.1V
XMP/EXPO Profile	XMP 3.0
Design
Module Height	33.5 mm
Product
Brand	Crucial
MPN	CT2K64G56C46U5
EAN	649528944184
Warranty	Limited Lifetime
Physical
Weight	0.073 kg
Package Dimensions	24.13 x 19.05 x 16.51 cm

Support

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Crucial 128GB (2x64GB) DatasheetPDF · Technical specifications

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Frequently Asked Questions

What motherboards are compatible with this memory?

The Crucial 128GB (2x64GB) requires a DDR5-compatible motherboard. This kit uses Intel XMP profiles, optimized for Intel LGA 1851 (Z890, B860) and LGA 1700 (Z790, B760) platforms. It is also physically compatible with AMD AM5 DDR5 boards. Enable XMP in BIOS to run at rated speed.

Do I need to enable XMP 3.0 in BIOS?

Yes. Out of the box, DDR5 memory runs at JEDEC default speed (typically 4800 MT/s). To achieve the rated 5,600 MT/s with CL46-46-46-90 timings, enable XMP 3.0 in your motherboard BIOS. This is a one-click setting in the memory overclocking section.

Does this kit run in dual-channel mode?

Yes, the Crucial 128GB (2x64GB) includes 2 modules which enable dual-channel mode when installed in the correct DIMM slots (typically A2+B2 or slots 2+4). Dual-channel doubles memory bandwidth compared to single-channel configuration. Check your motherboard manual for optimal slot placement.

What is the form factor of this memory?

The Crucial 128GB (2x64GB) uses a DIMM form factor. Standard DIMM modules fit desktop motherboards.

What warranty does this memory come with?

The Crucial 128GB (2x64GB) comes with a Limited Lifetime warranty from Crucial.

JSON-LD Structured Data — Product + FAQ + Breadcrumb

Product: Crucial 128GB (2x64GB)
MPN: CT2K64G56C46U5
Schemas: Product + BreadcrumbList + FAQPage
Properties: 12 additionalProperty entries
Related: 4 isRelatedTo links