SK Hynix
Desktop Memory Module HMA81GU6DJR8N-XN Compatible Replacement Spare Part for SK Hynix HMA81GU6DJR8N 8GB 1Rx8 DDR4 DIMM PC4-25600 3200MHz 288-Pin Non-ECC CL22 1.2V Unbuffered
At $10.88/GB — DDR4 market rate.
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At a Glance
Strengths
- +Compatible with 4 CPU platforms
- +Price near its tracked low of $87.00
Limitations
- −8% above the overall DDR4 market average $/GB
- −Below-average customer rating (3.5★)
- −Requires ECC-compatible CPU and motherboard — not supported on most consumer platforms
- −Single-stick configuration — runs in single-channel mode unless paired with another stick
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 8GB DDR4 ECC DIMM specifications.
ECC RAM is not supported on gaming platforms (consumer CPUs/boards)
ECC RAM requires server-grade hardware — not compatible with standard office PCs
ECC RAM protects long renders from silent data corruption — ideal for professional workstations
ECC RAM detects and corrects memory errors — required for data-critical servers and ZFS storage
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 $87.00 — 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
$87.00
Current
$87.00
Tracked high
$104.40
✓ Near tracked low
Speed Ranking
Top 7%
3200MHz ranks in the top 7% of all DDR4 speeds tracked (1,762 modules).
Specifications
| Memory Type | DDR4 |
| Capacity | 8GB |
| Speed | 3200MHz |
| CAS Latency | CL22 |
| Form Factor | DIMM |
| ECC | Yes |
| Voltage | 1.2V |
| ASIN | B0CM9KBWD7 |
Compatible Platforms
Always verify with your motherboard's QVL before purchasing.
DDR4 Price by Capacity
Average $/GB across all DDR4 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GBThis product | $9.97/GB |
| 16GB | $9.79/GB |
| 32GB | $9.33/GB |
| 64GB | $9.33/GB |
| 128GB | $8.96/GB |
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
Frequently Asked Questions
Is the SK Hynix 8GB 3200MHz 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). 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 $87.00, this module is near its tracked price low of $87.00 — historically a good time to buy. Check the price history chart above for context. Prices are updated daily from Amazon.
What is 3200MHz RAM used for?
This is an ECC (Error-Correcting Code) RAM module designed for servers, workstations, and NAS systems where data integrity is critical. ECC RAM detects and corrects single-bit memory errors automatically. It requires a compatible CPU and motherboard — most consumer platforms do not support ECC. See our ECC RAM guide for platform compatibility details.
How does SK Hynix RAM compare to other brands?
SK Hynix has 197 modules tracked with an average customer rating of 4.5★. 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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