
Crucial
Crucial Ballistix MAX 4000 MHz DDR4 DRAM Desktop Gaming Memory Kit 16GB (8GBx2) CL18 BLM2K8G40C18U4B (BLACK)
Available Styles / Variations:
Current price
$699.99$43.75/GBAs of May 30, 2026 ยท Verify on Amazon ยท Price subject to change
$/GB vs DDR4 market avg
326% above avgAt $43.75/GB โ DDR4 market rate.
Consider waiting
Price is near its tracked high of $699.99 โ in the top 25% of its recorded range. Prices may fall.
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.
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.
16GB is the minimum for gaming in 2026 โ handles most titles with background apps
16GB handles office apps, video calls, and multiple browser tabs comfortably
16GB works for 1080p editing with proxy workflows โ 4K editing may require 32GB
Non-ECC RAM is not recommended for servers or NAS โ silent data corruption risk without error correction
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
$149.99Current
$699.99Tracked high
$699.99Near tracked high
Speed Ranking
Top 1%
4000MHz ranks in the top 1% of all DDR4 speeds tracked (1,546 modules).
Z-Score Deviation
Severely Overpriced
Deviation: 5.76ฯ
Avoid if possible. Price is currently spiked more than 2 standard deviations above average.
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.Reboot PC, tap
DelorF2to enter **BIOS**. - 2.Find memory settings and toggle **XMP / DOCP** to **Enabled**.
- 3.Save & Exit (press
F10). PC will reboot at 4000MHz.
Specifications
Memory TypeDDR generation (DDR4 vs DDR5) ยท guide | DDR4 |
CapacityTotal kit memory size ยท guide | 16GB |
| Kit Config | โ 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
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.
| Platform | Benefit |
|---|---|
| AMD AM4 (Ryzen 1000โ5000) | โ Good |
| Intel LGA1200 (10th/11th gen) | โ Good |
| Intel LGA1700 DDR4 (12thโ14th gen) | โ 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
ASUS TUF Gaming B550-Plus WiFi II / MSI MAG B550 Tomahawk
B550 is the top AM4 chipset. DDR4-3600 CL16 is the sweet spot.
Gigabyte B760M D2H DDR4 / ASUS Prime B760M-A D4
B760 DDR4 boards support 12thโ14th Gen Intel with DDR4.
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
OLOy
OLOy DDR4 RAM 16GB (1x16GB) Black Saturn 2400 MHz CL17 1.2V 288-Pin Desktop UDIMM (MD4U1624170BB1SB)93% cheaper/GB
87% cheaper/GB
TEAMGROUP
DATO DDR4 RAM 16GB 3200MHz, PC4-25600 CL22 1.2V 288-Pin Non-ECC unbuffered dimm, Desktop Memory Module86% cheaper/GB
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
| Capacity | Avg $/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/GBPrices 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
Crucial
BLS8G4D240FSB Sport LT 8GB Single DDR4 2400 MT/s (PC4-19200) DIMM 288-Pin - (Gray)
Related pages
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 1000โ5000 (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 12โ16GB 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 2ร8GB kit?
A single 16GB stick runs in single-channel mode, using only one memory channel. A 2ร8GB kit of the same total capacity runs in dual-channel mode, doubling memory bandwidth and improving real-world performance by 10โ30%. 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
Crucial
Crucial 16GB Kit (8GB x 2) DDR4 2666 MT/s (PC4-21300) UDIMM 288-Pin Memory - CT2K8G4DFRA266
Expertly Curated by C.R. Vinoth Kumar
Lead Hardware AnalystC.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.
As an Amazon Associate we earn from qualifying purchases. Prices are updated daily and may change on Amazon.