Kingston
Renegade DDR5 Silver/Black XMP 48GB 8400MT/s CL40 CUDIMM Desktop Gaming Memory (Kit of 2) - KF584CU40RSK2-48
At $40.98/GB — DDR5 market rate.
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At a Glance
Strengths
- +Compatible with 5 CPU platforms
- +Limited Lifetime Warranty from Kingston
Limitations
- −305% above the overall DDR5 market average $/GB
- −Limited review data — only 1 Amazon reviews
All points are derived from price data, customer ratings, and product specifications — not editorial opinion. Updated daily.
Is This RAM Right for You?
Based on 48GB DDR5 DIMM specifications.
48GB eliminates memory as a bottleneck for AAA titles and multitasking
48GB handles office apps, video calls, and multiple browser tabs comfortably
48GB is insufficient for video editing or 3D rendering workloads
Non-ECC RAM is not recommended for servers or NAS — silent data corruption risk without error correction
This is a desktop DIMM — laptop upgrades require SO-DIMM modules. See Laptop RAM Prices for compatible options.
Verdicts based on capacity, form factor, and ECC specifications — not editorial opinion. Capacity recommendations reflect 2026 software requirements.
Price History
Updated daily — track price trends over time
Good time to buy
Price is near its tracked low of $1,961.23 — in the bottom 20% of its recorded range.
Based on tracked price history for this ASIN. More data points accumulate over time — check back as history grows.
Price Range
Tracked low
$1,961.23
Current
$1,967.02
Tracked high
$1,992.36
✓ Near tracked low
Speed Ranking
Top 1%
8400MHz ranks in the top 1% of all DDR5 speeds tracked (1,235 modules).
Specifications
| Memory Type | DDR5 |
| Capacity | 48GB |
| Speed | 8400MHz |
| CAS Latency | CL40 |
| Form Factor | DIMM |
| ASIN | B0DMWRZKFW |
Compatible Platforms
Always verify with your motherboard's QVL before purchasing.
Platform Pairing Guide
How well 8400MHz performs on each platform — based on memory controller characteristics and manufacturer guidance.
| Platform | Benefit |
|---|---|
| AMD AM5 (Ryzen 7000/9000) | ✓ Good |
| Intel LGA1851 (Core Ultra 200S) | ✓ Good |
| Intel LGA1700 (12th–14th gen, DDR5 board) | ✓ Good |
Platform guidance based on AMD and Intel official specifications and independent testing. Always verify compatibility with your specific motherboard's QVL.
DDR5 Price by Capacity
Average $/GB across all DDR5 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GB | $18.20/GB |
| 16GB | $18.92/GB |
| 32GB | $18.12/GB |
| 64GB | $20.45/GB |
| 128GB | $26.14/GB |
Also available from Kingston
Same brand, different configurations
Kingston
FURY Beast 32GB (2x16GB) 5200MT/s DDR5 CL40 Kit of 2 Desktop Memory KF552C40BBK2-32
Kingston
FURY Beast RGB 64GB 5600MT/s DDR5 CL40 DIMM Desktop Memory (Kit of 2) | Intel XMP 3.0 | Infrared Sync Technology | Overclocking Stability | KF556C40BBAK2-64
Kingston
FURY Beast 16GB (2x8GB) 5200MT/s DDR5 CL40 Desktop Memory | Intel XMP 3.0 | Kit of 2 | KF552C40BBK2-16
Frequently Asked Questions
Is the Kingston 48GB 8400MHz DDR5 compatible with my motherboard?
This module is compatible with Intel 12th / 13th / 14th Gen (LGA1700), Intel Core Ultra 200S (LGA1851 / Arrow Lake), AMD Ryzen 7000 / 8000 / 9000 (AM5), AMD Threadripper 7000 (TRX50) and 1 more platforms. Always verify with your motherboard's QVL (Qualified Vendor List) before purchasing, as compatibility can vary by board revision.
Is this DDR5 module a good deal right now?
At $1,967.02, this module is near its tracked price low of $1,961.23 — historically a good time to buy. Check the price history chart above for context. Prices are updated daily from Amazon.
What is 8400MHz RAM used for?
DDR5 RAM is required for AMD AM5 (Ryzen 7000/9000) and Intel LGA1851 (Core Ultra 200S) platforms. It offers higher bandwidth than DDR4, making it beneficial for content creation, gaming on modern platforms, and AI workloads. 8400MHz is a high-performance DDR5 speed tier.
How does Kingston RAM compare to other brands?
Kingston has 172 modules tracked with an average customer rating of 4.6★. Browse all Kingston modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.
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