SK Hynix
4GB 1Rx8 PC4-17000 DDR4-2133 1.2volt CL15 260 Pin Sodimm Memory p/n HMA451S6AFR8N-TF
Current price
$21.99
$5.50/GB
As of Apr 14, 2026 · Verify on Amazon · Price subject to change
vs avg $/GB
46% cheaper
Deal score
94/100
At $5.50/GB — 46% below the DDR4 market average.
Buy on AmazonProduct 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. Affiliate link.
At a Glance
Strengths
- +46% below the overall DDR4 market average $/GB
- +Compatible with 5 CPU platforms
Limitations
- −Limited price history — recently added to tracking, trends not yet available
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 4GB DDR4 DIMM specifications.
4GB is below the 16GB minimum recommended for gaming in 2026
4GB is below the recommended minimum for comfortable everyday use
4GB 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
Specifications
| Memory Type | DDR4 |
| Capacity | 4GB |
| CAS Latency | CL15 |
| Form Factor | Unknown |
| ASIN | B01KCR9WV8 |
Compatible Platforms
Always verify with your motherboard's QVL before purchasing.
Platform Pairing Guide
How well DDR4 performs on each platform — based on memory controller characteristics and manufacturer guidance.
| Platform | Benefit |
|---|---|
| AMD AM4 (Ryzen 1000–5000) | ✓ Good |
| Intel LGA1200 (10th/11th gen) | ★ Optimal |
| Intel LGA1700 DDR4 (12th–14th gen) | ✓ Good |
Platform guidance based on AMD and Intel official specifications and independent testing. Always verify compatibility with your specific motherboard's QVL.
DDR4 Price by Capacity
Average $/GB across all DDR4 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GB | $9.97/GB |
| 16GB | $9.79/GB |
| 32GB | $9.33/GB |
| 64GB | $9.33/GB |
| 128GB | $8.96/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
4GB
$21.99
$5.50/GB
Prices are the lowest available in each tier from our daily database — verify on Amazon before purchasing. Only DDR4 DIMM modules compared.
Also available from SK Hynix
Same brand, different configurations
SK Hynix
Hynix 8GB PC4-21300 DDR4-2666MHz 260-Pin SODIMM 1.2V Single Rank Memory Module HMA81GS6CJR8N-VK
SK Hynix
16GB DDR4 3200MHz (PC4-3200AA) PC4-25600 UDIMM Desktop RAM – 288-Pin 1.2V CL22 Non-ECC Unbuffered DIMM Memory Module Upgrade
SK Hynix
A-Tech 8GB DDR4 3200 MHz UDIMM PC4-25600 (PC4-3200AA) CL22 DIMM Non-ECC Desktop RAM Memory Module
Frequently Asked Questions
Is the SK Hynix 4GB 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 1000–5000 (AM4) 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 DDR4 module a good deal right now?
At $5.50/GB, this module is 46% below the overall DDR4 market average $/GB across all capacities. Deal score: 94/100. Check the price history chart above to see how the price has moved recently. Prices are updated daily from Amazon.
What is DDR4 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.
How does SK Hynix RAM compare to other brands?
SK Hynix has 197 modules tracked with an average customer rating of 4.5★. This specific module is 46% below the overall DDR4 market average $/GB. Browse all SK Hynix modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.
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