Current price
$105.00$6.56/GBAs of 28 Aug 2026, 06:40 UTC ยท Verify on Amazon ยท Price subject to change
Good time to buy
Price is near its tracked low of $96.72 โ in the bottom 20% of its recorded range. ยท 37% below 16GB (1x16) DDR4 peer $/GB
As an Amazon Associate I earn from qualifying purchases. Prices as of 28 Aug 2026, 06:40 UTC. 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.
SK Hynix
Hynix 16Gb (1X16gb) DDR4 PC4-17000 2133Mhz Ecc Registered Server Memory Model HMA42GR7AFR4N-TF
This SK Hynix 16GB (1x16) 2133MHz DDR4 ECC desktop kit is $105.00 ($6.56/GB), near its tracked low. In stock on Amazon. Fits Intel 11th Gen Core (LGA1200) and Intel 12th / 13th / 14th Gen (LGA1700) and more.
At a Glance
Strengths
- 37% below the 16GB (1x16) DDR4 peer median $/GB
- Compatible with 5 CPU platforms
- Price near its tracked low of $96.72
Limitations
- Below-average customer rating (3.9โ )
- Requires ECC-compatible CPU and motherboard โ not supported on most consumer platforms
All points are derived from price data, customer ratings, and product specifications โ not editorial opinion. Updated daily.
Cheaper Alternatives
Same 16GB DDR4 โ lower $/GB than this product
A-Tech
A-Tech 16GB RAM Replacement for Samsung M393A2G40DB0-CPB | DDR4 2133MHz PC4-17000 2Rx4 1.2V ECC RDIMM Registered 288-Pin DIMM Memory Module31% cheaper/GB
17% cheaper/GB
SK Hynix
SK HYNIX 16GB HMA82GR7AFR8N-VK DDR4-2666 ECC RDIMM 2Rx8 PC4-21300V-R CL19 Server Memory10% cheaper/GB
Ranked by lowest $/GB. Same 16GB DDR4 DIMM only. Prices updated daily.
Specifications
Catalog data as of 28 Aug 2026, 06:40 UTC
Memory TypeDDR generation (DDR4 vs DDR5) ยท guide | DDR4 |
CapacityTotal kit memory size ยท guide | 16GB (1x16) |
| 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 | 2133MHz |
ECCError-correcting capability ยท guide | Yes |
ASIN | B01KWAK818 |
Spotted a wrong price or spec? Report a data correction ยท How we verify data
Specs & prices refreshed 28 Aug 2026, 06:40 UTC. Verify on Amazon at checkout.
Price History
Updated daily โ track price trends over time
Current
$105.00
102d Low
$96.72
102d High
$152.30
102d Avg
$118.67
Deal score
90/100
vs this kit's history
Current price is 0.7ฯ below the tracked average of $118.67 - within a normal band for this ASIN.
Frequently Asked Questions
Is the SK Hynix 16GB (1x16) 2133MHz 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) 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?
Yes โ Price is near its tracked low of $96.72 โ in the bottom 20% of its recorded range. At $105.00 ($6.56/GB), about 37% below the 16GB (1x16) DDR4 peer median. Prices are updated daily from Amazon.
What is 2133MHz 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 โ 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 90 modules tracked with an average customer rating of 4.4โ . This specific module is 37% below the 16GB (1x16) DDR4 peer median $/GB. Browse all SK Hynix modules or use the comparison tool to see how it stacks up against Corsair, G.Skill, Kingston, and Crucial.
What is the difference between a single 16GB stick and a matched multi-stick kit?
A single 16GB stick runs in single-channel mode. A matched 2ร8GB kit of the same total capacity enables dual-channel mode, doubling memory bandwidth and typically improving real-world performance by 10โ30%. For best results, buy RAM in matched kits.
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G.SKILL
G.SKILL RipjawsV Series DDR4 RAM (XMP) 16GB (1x16GB) Up to 3200MT/s CL16-18-18-38 1.35V Intel AMD Desktop Computer Memory U-DIMM - Black (F4-3200C16S-16GVK)
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Patriot Viper Steel RGB DDR4 RAM 16GB (1X16GB) 3200MHz CL18 RGB Memory
Compatibility & buying details
Use cases, platforms, motherboard notes, upgrade math, and analyst notes
Compatibility & buying details
Use cases, platforms, motherboard notes, upgrade math, and analyst notes
Is This RAM Right for You?
Based on 16GB (1x16) DDR4 ECC DIMM specifications.
ECC RAM is not supported on gaming platforms (consumer CPUs/boards)
ECC RAM requires server-grade hardware โ not compatible with standard office PCs
ECC RAM protects long renders from silent data corruption โ ideal for professional workstations
ECC RAM detects and corrects memory errors โ required for data-critical servers and ZFS storage
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.
Enterprise ECC Stability
Validated by C.R. Vinoth Kumar ยท Founder & Senior Editor
This is an Error Correcting Code (ECC) server module designed to prevent silent data corruption in 24/7 server environments (like TrueNAS/ZFS or enterprise workloads). Ensure your motherboard and CPU officially support ECC before purchasing.
Price Range
Tracked low
$96.72Current
$105.00Tracked high
$152.30โ Near tracked low
Speed Ranking
Top 92%
2133MHz ranks in the top 92% of all DDR4 speeds tracked (2,032 modules).
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 |
|---|---|
| 8GB | $8.10/GB |
| 16GBThis product | $7.81/GB |
| 32GB | $7.44/GB |
| 64GB | $7.81/GB |
| 128GB | $7.42/GB |
Also available from SK Hynix
Same brand, different configurations
SK Hynix
Hynix 8GB PC4-19200 DDR4 2400MHz 288-Pin Dimm Memory Module Mfr P/N HMA81GU6AFR8N-UH
SK Hynix
Hynix HMA81GS6DJR8N-XN 8gb Ddr4-3200 Unbuffered Mem Disc Prod Spcl Sourcing See Notes
SK Hynix
Hynix 8GB PC4-21300 DDR4-2666MHz 288-Pin DIMM 1.2V Memory RAM Module HMA81GU6CJR8N-VK
Related pages
Amazon prices on this page. ASIN B01KWAK818 may also appear on Newegg - we do not show competitor prices.
Reviewed by C.R. Vinoth Kumar
Editor & FounderVinoth is an InfoSec consultant, independent technical blogger, and the developer of RAM Prices, with 12+ years in IT. He reviews buying guides and maintains the site's automated checks for price per GB, specification confidence, availability, and AMD/Intel platform compatibility. See the methodology for the exact ranking rules and limitations.
As an Amazon Associate I earn from qualifying purchases. Prices as of 28 Aug 2026, 06:40 UTC. 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.