A-Tech
A-Tech 8GB RAM Replacement for Hynix HMCG66AGBSA092N | DDR5 5600MHz PC5-44800 SODIMM 1Rx16 1.1V 262-Pin Non-ECC Laptop Memory Module (HMCG66AGBSA092N-ATC)
Available Styles / Variations:
Limited Entry-Level Capacity
Validated by C.R. Vinoth Kumar ยท Founder & Senior Editor
8GB of total memory is extremely marginal in 2026. Windows 11 uses 3-4GB at idle, leaving very little headroom for multitasking or gaming. We highly recommend upgrading to at least 16GB, or 32GB to prevent page-file stutters.
Current price
$129.14$16.14/GBAs of Jul 14, 2026 ยท Verify on Amazon ยท Price subject to change
$/GB vs DDR5 market avg
28% above avgAt $16.14/GB โ DDR5 market rate.
Consider waiting
Price is near its tracked high of $129.14 โ in the top 25% of its recorded range. Prices may fall.
Also sold elsewhere
Prices on this page are Amazon.com prices from our Creators API refresh (as of the last update). You can look up this kit (ASIN: B0DF47SQF3) on other retailers such as Newegg or Crucial โ we do not display their prices here. Always verify the checkout price on Amazon before purchasing.
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 I earn from qualifying purchases.
At a Glance
Limitations
- 28% above the overall DDR5 market average $/GB
- No customer reviews available yet on Amazon
- Price near its tracked high of $129.14
- Single-stick configuration โ runs in single-channel mode unless paired with another stick
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 8GB DDR5 SO-DIMM specifications.
Laptop RAM โ suitable for gaming laptops with compatible slots
8GB handles basic office tasks โ may slow with many tabs open
8GB is insufficient for video editing or 3D rendering workloads
SO-DIMM laptop RAM is not used in servers โ servers require DIMM or RDIMM modules
SO-DIMM form factor โ correct type for laptop memory upgrades. Verify your laptop has an accessible slot.
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
$129.14
58d Low
$122.99
58d High
$129.14
58d Avg
$123.31
Price Range
Tracked low
$122.99Current
$129.14Tracked high
$129.14Near tracked high
Speed Ranking
Top 36%
5600MHz ranks in the top 36% of all DDR5 speeds tracked (1,496 modules).
Z-Score Deviation
Severely Overpriced
Deviation: 4.28ฯ
Avoid if possible. Price is currently spiked more than 2 standard deviations above average.
XMP 3.0 / EXPO Profile Activation Required
This is a high-performance DDR5-5600 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 **4800MT/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/EXPO
- 1.Reboot PC, tap
DelorF2to enter **BIOS**. - 2.Find memory settings and toggle **XMP / EXPO** to **Enabled**.
- 3.Save & Exit (press
F10). PC will reboot at 5600MHz.
Specifications
Memory TypeDDR generation (DDR4 vs DDR5) ยท guide | DDR5 |
CapacityTotal kit memory size ยท guide | 8GB |
| 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 | 5600MHz |
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop) ยท guide | SO-DIMM |
VoltageOperating voltage level | 1.1V |
ASIN | B0DF47SQF3 |
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.
Cheaper Alternatives
Same 8GB DDR5 โ lower $/GB than this product
SP Silicon Power
Silicon Power DDR5 8GB 4800MHz (PC5-38400) 262-pin CL40 1.1V SODIMM Non-ECC Laptop RAM Computer Memory SU008GBSVU480G02EC23% cheaper/GB
16% cheaper/GB
Adamanta
Adamanta 8GB (1x8GB) DDR5 4800MHz PC5-38400 SODIMM 1Rx16 CL40 1.1v Laptop Notebook Memory Module Upgrade RAM16% cheaper/GB
Ranked by lowest $/GB. Same 8GB DDR5 SO-DIMM only. Prices updated daily.
DDR5 Price by Capacity
Average $/GB across all DDR5 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GBThis product | $17.89/GB |
| 16GB | $19.10/GB |
| 32GB | $19.54/GB |
| 64GB | $20.84/GB |
| 128GB | $25.20/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 DDR5 SO-DIMM in each tier today.
Current
8GB
$129.14$16.14/GBPrices are the lowest available in each tier from our daily database โ verify on Amazon before purchasing. Only DDR5 SO-DIMM modules compared.
Also available from A-Tech
Same brand, different configurations
A-Tech
A-Tech 48GB DDR5 5600MHz PC5-44800 CL46 SODIMM 2Rx8 Dual Rank 1.1V Non-ECC Unbuffered SO-DIMM 262-Pin Laptop Computer RAM Memory Upgrade Module
A-Tech
A-Tech 64GB Kit (2x32GB) DDR5 4800MHz PC5-38400 CL40 SODIMM 2Rx8 Dual Rank 1.1V Non-ECC Unbuffered SO-DIMM 262-Pin Laptop Computer RAM Memory Upgrade Modules
A-Tech
A-Tech 96GB Kit (2x48GB) DDR5 5600MHz PC5-44800 CL46 SODIMM 2Rx8 Dual Rank 1.1V Non-ECC Unbuffered SO-DIMM 262-Pin Laptop Computer RAM Memory Upgrade Modules
Related pages
Frequently Asked Questions
Is the A-Tech 8GB 5600MHz DDR5 compatible with my motherboard?
This module is compatible with Laptop โ DDR5 SO-DIMM. 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 $129.14 ($16.14/GB), this module is priced near the DDR5 market average. Check the price history chart above to see if prices have been trending up or down recently.
What is 5600MHz 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. 5600MHz is a good entry-level DDR5 speed with broad platform compatibility.
How does A-Tech RAM compare to other brands?
A-Tech has 324 modules tracked with an average customer rating of 4.6โ . Browse all A-Tech 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?
8GB is below the 16GB minimum recommended for gaming in 2026. Most modern AAA titles require 12โ16GB. Consider upgrading to at least 16GB for a smooth gaming experience.
What is the difference between a single 8GB stick and a 2ร4GB kit?
A single 8GB stick runs in single-channel mode, using only one memory channel. A 2ร4GB 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 DDR5 RAM
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Kingston Technology Fury Impact 8GB 4800MT/s DDR5 CL38 SODIMM XMP Ready Laptop Memory Single Module KF548S38IB-8, Black
A-Tech
A-Tech 8GB DDR5 4800MHz PC5-38400 CL40 SODIMM 1.1V Non-ECC Unbuffered SO-DIMM 262-Pin Laptop Computer RAM Memory Upgrade Module
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A-Tech 8GB DDR5 5200MHz PC5-41600 CL42 SODIMM 1Rx16 Single Rank 1.1V Non-ECC Unbuffered SO-DIMM 262-Pin Laptop Computer RAM Memory Upgrade Module
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 I earn from qualifying purchases. Prices updated daily. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.