Crucial

Crucial BLM2K8G51C19U4B Ballistix MAX 16GB DDR4 5100MHz

16GB DDR4

Crucial Ballistix MAX 16GB DDR4-5100 kit engineered for extreme overclocking with on-DIMM temperature monitoring.

$995.00*
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*Price sourced from Amazon.com. Last updated:Sep 06, 2026.Price and availability are subject to change — details.

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Overview

The Crucial Ballistix MAX BLM2K8G51C19U4B is a 16GB (2x8GB) DDR4 desktop memory kit rated at an aggressive 5100MHz, placing it among the fastest DDR4 modules available. Designed for gamers and performance enthusiasts who want to extract every last frame and benchmark point, this kit leverages XMP 2.0 profiles so users can enable the rated speed with a single BIOS toggle. For those who prefer stability over speed, the kit also runs at standard JEDEC default profiles.

What sets the Ballistix MAX apart from mainstream memory is its focus on extreme overclocking headroom. The high-quality matte black extruded aluminum heat spreader is engineered for maximum thermal dissipation during sustained high-frequency operation, while the integrated on-DIMM temperature sensor gives overclockers real-time thermal data to fine-tune their setups. Engineered for compatibility with the latest AMD and Intel platforms, this kit is built for users who treat memory frequency as a critical performance variable rather than an afterthought.

Key Features

Ideal for gamers and performance enthusiasts

Engineered for the latest AMD and Intel platforms

XMP 2.0 support for automatic overclocking, or run at JEDEC default profile

Modern aluminum heat spreader available in multiple colors to match your system build or style

Specifications

Brand
Crucial
Model
BLM2K8G51C19U4B
Series
Ballistix MAX
Capacity
16GB (2 x 8GB)
Memory Type
DDR4
Speed
5100MHz
CAS Latency
CL19
XMP Support
XMP 2.0
Heat Spreader
Matte black extruded aluminum
Temperature Sensor
On-DIMM
Platform Compatibility
AMD and Intel

Frequently Asked Questions

The Ballistix MAX kit supports XMP 2.0 profiles for automatic overclocking to 5100MHz, or it can run at the JEDEC default profile if preferred.
Yes, an on-DIMM sensor is built in for real-time temperature monitoring, which is useful when pushing overclocks.
The kit includes two 8GB modules (2x8GB) for a total of 16GB DDR4 memory.
Yes, Crucial engineers this kit for the latest AMD and Intel platforms.