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Crucial 16GB 4000MHz DDR4 RAM module โ€” Crucial Ballistix MAX 4000 MHz DDR4 DRAM Desktop Gaming Memory Kit 16GB (8GBx2) CL18 BLM2K8G40C18U4B (BLACK)

Crucial

Crucial Ballistix MAX 4000 MHz DDR4 DRAM Desktop Gaming Memory Kit 16GB (8GBx2) CL18 BLM2K8G40C18U4B (BLACK)

In Stock
DDR416GB4000MHzCL18DIMM
4.4(109 reviews)

Available Styles / Variations:

Current price

$699.99$43.75/GB

As of May 30, 2026 ยท Verify on Amazon ยท Price subject to change

$/GB vs DDR4 market avg

326% above avg
This product$43.75/GB
$43.75
DDR4 market avg$10.28/GB
$10.28

At $43.75/GB โ€” DDR4 market rate.

โณ

Consider waiting

Price is near its tracked high of $699.99 โ€” in the top 25% of its recorded range. Prices may fall.

Buy on AmazonLoad alerts

Verify Alternative Stores

Our systems refresh prices daily from Amazon.com to secure the absolute lowest USD market rate. You can cross-reference this RAM kit (ASIN: B083TS2KJH) against alternative marketplaces like Newegg or Crucial before buying.

Verified in stock

Product prices and availability are accurate as of the date of the last daily update and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product. As an Amazon Associate we earn from qualifying purchases.

At a Glance

Strengths

  • Compatible with 4 CPU platforms
  • Limited Lifetime Warranty from Crucial

Limitations

  • 326% above the overall DDR4 market average $/GB
  • Price near its tracked high of $699.99

All points are derived from price data, customer ratings, and product specifications โ€” not editorial opinion. Updated daily.

Is This RAM Right for You?

Based on 16GB DDR4 DIMM specifications.

Gamingโœ“ Good fit

16GB is the minimum for gaming in 2026 โ€” handles most titles with background apps

Office / Schoolโœ“ Ideal

16GB handles office apps, video calls, and multiple browser tabs comfortably

Content Creationโš  Tight

16GB works for 1080p editing with proxy workflows โ€” 4K editing may require 32GB

Server / NASโœ• Not suited

Non-ECC RAM is not recommended for servers or NAS โ€” silent data corruption risk without error correction

Laptop Upgradeโœ• Not suited

This is a desktop DIMM โ€” laptop upgrades require SO-DIMM modules. See Laptop RAM Prices for compatible options.

Verdicts based on capacity, form factor, and ECC specifications โ€” not editorial opinion. Capacity recommendations reflect 2026 software requirements.

Price History

Updated daily โ€” track price trends over time

Current

$699.99

38d Low

$149.99

38d High

$699.99

38d Avg

$201.70

Price Range

Tracked low

$149.99

Current

$699.99

Tracked high

$699.99

Near tracked high

Speed Ranking

Top 1%

4000MHz ranks in the top 1% of all DDR4 speeds tracked (1,546 modules).

SlowestFastest

About Crucial

4.6โ˜…

avg rating

122

products tracked

Browse all Crucial RAMLimited Lifetime Warranty

Z-Score Deviation

F

Severely Overpriced

Deviation: 5.76ฯƒ

Avoid if possible. Price is currently spiked more than 2 standard deviations above average.

Avg: $201.70StdDev: ยฑ$86.47

XMP 2.0 / DOCP Profile Activation Required

This is a high-performance DDR4-4000 memory kit. It will NOT run at advertised speeds out of the box.

JEDEC Fallback Behavior

By default, all motherboards boot using safe **JEDEC standards** (typically **2133MT/s**). If you plug this RAM in and boot immediately, your system will downclock to this baseline, losing up to **10% - 20% CPU bandwidth**.

How to Enable XMP/DOCP

  1. 1.Reboot PC, tap Del or F2 to enter **BIOS**.
  2. 2.Find memory settings and toggle **XMP / DOCP** to **Enabled**.
  3. 3.Save & Exit (press F10). PC will reboot at 4000MHz.
Platform compatibility warning: On AMD AM5 (DDR5 Ryzen 7000/9000), target EXPO kits for maximum stability. On Intel platforms, prioritize XMP kits. Both profiles work, but choosing native profiles optimizes memory training timings.

Specifications

Memory TypeDDR generation (DDR4 vs DDR5) ยท guide
DDR4
CapacityTotal kit memory size ยท guide
16GB
Kit Configโš  Single stick โ€” runs in single-channel mode. Buy 2ร— for dual-channel performance.
SpeedFrequency in MT/s or MHz ยท guide
4000MHz
CAS LatencyClock cycles response delay ยท guide
CL18
True LatencyAbsolute nanosecond latency
9.00 ns(Great)= (18 ร— 2000) รท 4000
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop)
DIMM
ASIN
B083TS2KJH

Spotted a wrong price or spec? Report a data correction ยท How we verify data

Compatible Platforms

Intel 11th Gen Core (LGA1200)Intel 12th / 13th / 14th Gen (LGA1700)Intel Core X / Skylake-X (LGA2066 / X299)AMD Ryzen 1000โ€“5000 (AM4)

Always verify with your motherboard's QVL before purchasing.

Platform Pairing Guide

How well 4000MHz performs on each platform โ€” based on memory controller characteristics and manufacturer guidance.

PlatformBenefit
AMD AM4 (Ryzen 1000โ€“5000)โœ“ Good
Intel LGA1200 (10th/11th gen)โœ“ Good
Intel LGA1700 DDR4 (12thโ€“14th gen)โœ“ Good

Platform guidance based on AMD and Intel official specifications and independent testing. Always verify compatibility with your specific motherboard's QVL.

Motherboard Compatibility

Most popular DDR4 boards per platform

DDR4 RAM prices & motherboard guide โ†’
โœ“
AMD AM4B550

ASUS TUF Gaming B550-Plus WiFi II / MSI MAG B550 Tomahawk

B550 is the top AM4 chipset. DDR4-3600 CL16 is the sweet spot.

โœ“
Intel LGA1700 (DDR4)B760

Gigabyte B760M D2H DDR4 / ASUS Prime B760M-A D4

B760 DDR4 boards support 12thโ€“14th Gen Intel with DDR4.

โš 
Intel LGA1200B560

ASUS Prime B560M-A / MSI MAG B560 Tomahawk WiFi

LGA1200 caps at DDR4-3200. This 4000MHz kit will run at DDR4-3200 on this platform.

Always verify with your board's QVL before purchasing.

Cheaper Alternatives

Same 16GB DDR4 โ€” lower $/GB than this product

Browse all โ†’

Ranked by lowest $/GB. Same 16GB DDR4 DIMM only. Prices updated daily.

DDR4 Price by Capacity

Average $/GB across all DDR4 modules in the database

CapacityAvg $/GB
8GB$9.68/GB
16GBThis product$9.70/GB
32GB$9.02/GB
64GB$8.97/GB
128GB$6.58/GB

Upgrade Cost Calculator

How much more (or less) would you spend to step up or down in capacity? Prices shown are the cheapest available DDR4 DIMM in each tier today.

Current

16GB

$699.99$43.75/GB

โ† Step down

8GB

$30.00$3.75/GBSave $669.99See cheapest 8GB

Step up

32GB

$109.99$3.44/GBSave $590.00 vs currentSee cheapest 32GB

Prices are the lowest available in each tier from our daily database โ€” verify on Amazon before purchasing. Only DDR4 DIMM modules compared.

Also available from Crucial

Same brand, different configurations

Crucial

Crucial 8GB Single DDR4 2400 MT/s (PC4-19200) DR x8 DIMM 288-Pin Memory - CT8G4DFD824A

DDR48GB

Crucial

BLS8G4D240FSB Sport LT 8GB Single DDR4 2400 MT/s (PC4-19200) DIMM 288-Pin - (Gray)

DDR48GB2400MHz
$109.00

Crucial

Crucial 16GB kit (8GBx2), 288-pin DIMM, DDR4 PC4-21300,

DDR416GB
$135.00

Crucial

Crucial 16GB Kit (8GB x 2) DDR4 2666 MT/s (PC4-21300) UDIMM 288-Pin Memory - CT2K8G4DFRA266

DDR416GB2666MHz
$120.00

Frequently Asked Questions

Is the Crucial 16GB 4000MHz DDR4 compatible with my motherboard?

This module is compatible with Intel 11th Gen Core (LGA1200), Intel 12th / 13th / 14th Gen (LGA1700), Intel Core X / Skylake-X (LGA2066 / X299), AMD Ryzen 1000โ€“5000 (AM4). Always verify with your motherboard's QVL (Qualified Vendor List) before purchasing, as compatibility can vary by board revision.

Is this DDR4 module a good deal right now?

At $699.99 ($43.75/GB), this module is priced near the DDR4 market average. Check the price history chart above to see if prices have been trending up or down recently.

What is 4000MHz RAM used for?

DDR4 RAM is used in Intel LGA1200/LGA1700 and AMD AM4 (Ryzen 1000-5000) systems. It offers excellent value for existing platforms. 4000MHz is a standard DDR4 speed tier.

How does Crucial RAM compare to other brands?

Crucial has 122 modules tracked with an average customer rating of 4.6โ˜…. Browse all Crucial modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.

Is 16GB of RAM enough for gaming in 2026?

16GB is the minimum recommended for gaming in 2026. Most AAA titles use 12โ€“16GB alongside Discord and a browser. 32GB is the sweet spot if you also stream, record, or run VMs.

What is the difference between a single 16GB stick and a 2ร—8GB kit?

A single 16GB stick runs in single-channel mode, using only one memory channel. A 2ร—8GB kit of the same total capacity runs in dual-channel mode, doubling memory bandwidth and improving real-world performance by 10โ€“30%. For best performance, always buy RAM in matched pairs.

Similar DDR4 RAM

A-Tech

A-Tech 16GB DDR4 2400 MHz UDIMM PC4-19200 (PC4-2400T) CL17 DIMM 2Rx8 Non-ECC Desktop RAM Memory Module

DDR416GB2400MHz
$115.99

Crucial

Crucial 16GB kit (8GBx2), 288-pin DIMM, DDR4 PC4-21300,

DDR416GB
$135.00

Crucial

Crucial 16GB Kit (8GB x 2) DDR4 2666 MT/s (PC4-21300) UDIMM 288-Pin Memory - CT2K8G4DFRA266

DDR416GB2666MHz
$120.00

16GB DDR4 PC4-21300, 2666MHz, 288 Pin DIMM, 1.2V, CL 19 Desktop RAM Memory Module

DDR416GB2666MHz
$124.99
VK

Expertly Curated by C.R. Vinoth Kumar

Lead Hardware Analyst

C.R. Vinoth Kumar is a senior systems systems engineer and memory hardware architect with over 12 years of experience benchmarking computer components, building performance virtualization servers, and assembling local LLM inference rigs. Every memory module tracked in our database is mathematically checked using custom telemetry to isolate nanosecond CAS latency bounds, price-per-gigabyte market averages, and Ryzen/Intel platform pairings.

$699.99$43.75/GB
Buy on Amazon

As an Amazon Associate we earn from qualifying purchases. Prices are updated daily and may change on Amazon.