Skip to main content

Current price

$309.95$4.84/GB

As of 28 Aug 2026, 06:40 UTC ยท Verify on Amazon ยท Price subject to change

47% below peer $/GB

$4.84/GB vs similar 64GB DDR4 kits

Buy on Amazon
In stock on Amazon

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 64GB 2666MHz DDR4 RAM โ€” SK hynix 64GB/4Gx4 DDR4 2666MHz ECC/REG Load Reduced CL 19 Server Memory HMAA8GL7AMR4N-VK

SK Hynix

In Stock

SK hynix 64GB/4Gx4 DDR4 2666MHz ECC/REG Load Reduced CL 19 Server Memory HMAA8GL7AMR4N-VK

This SK Hynix 64GB 2666MHz DDR4 ECC desktop kit is $309.95 ($4.84/GB), 47% below similar 64GB DDR4 peer $/GB. In stock on Amazon.

DDR464GB2666MHzCL19ECC5โ˜… (6)

At a Glance

Strengths

  • 47% below the 64GB DDR4 peer median $/GB

Limitations

  • Limited review data โ€” only 6 Amazon reviews
  • 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.

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
64GB
Kit Configโš  Single stick โ€” runs in single-channel mode. Buy 2ร— for dual-channel performance.
SpeedFrequency in MT/s or MHz ยท guide
2666MHz
CAS LatencyClock cycles response delay ยท guide
CL19
True LatencyAbsolute nanosecond latency
14.25 ns(High latency)= (19 ร— 2000) รท 2666
Form FactorDIMM (Desktop) vs SO-DIMM (Laptop)
RDIMM
ECCError-correcting capability ยท guide
Yes
ASIN
B0762W5Y28

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

$309.95

103d Low

$261.37

103d High

$489.98

103d Avg

$388.83

Deal score

93/100

vs this kit's history

Current price is 1.0ฯƒ below the tracked average of $388.83 - within a normal band for this ASIN.

Frequently Asked Questions

Is the SK Hynix 64GB 2666MHz DDR4 compatible with my motherboard?

Compatibility depends on your motherboard's supported memory type (DDR4), speed, and capacity. Check your motherboard manufacturer's QVL list to confirm this module is validated for your specific board.

Is this DDR4 module a good deal right now?

At $4.84/GB, this module is 47% below the 64GB DDR4 peer median $/GB. Check the price history chart for recent movement. Prices are updated daily from Amazon.

What is 2666MHz 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 47% below the 64GB 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 64GB stick and a matched multi-stick kit?

A single 64GB stick runs in single-channel mode. A matched 2ร—32GB kit of the same total capacity enables dual-channel mode, doubling memory bandwidth and typically improving real-world performance by 10โ€“30%. For best results, buy RAM in matched kits.

Similar DDR4 RAM

Crucial

Crucial 64GB Kit (16GBx4) DDR4 2400 MT/s (PC4-19200) DR x8 DIMM 288-Pin Memory - CT4K16G4DFD824A

DDR464GB
$498.95

A-Tech

A-Tech 64GB DDR4 2400MHz PC4-19200 ECC LRDIMM 4Rx4 (4DRx4) Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory Upgrade Module (A-Tech Enterprise Series)

DDR464GB2400MHz
$288.99

Supermicro

Supermicro 64GB DDR4 PC4-21300 2666MHz LRDIMM Quad Ranked Registered ECC Memory

DDR464GB2666MHz
$399.00

Samsung

Samsung 64GB DDR4 2400MHz PC4-19200 ECC LRDIMM 4Rx4 Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory M386A8K40BM1-CRC

DDR464GB2400MHz
$258.95

Compatibility & buying details

Use cases, platforms, motherboard notes, upgrade math, and analyst notes

Is This RAM Right for You?

Based on 64GB DDR4 ECC DIMM specifications.

Gamingโœ• Not suited

ECC RAM is not supported on gaming platforms (consumer CPUs/boards)

Office / Schoolโœ• Not suited

ECC RAM requires server-grade hardware โ€” not compatible with standard office PCs

Content Creationโœ“ Ideal

ECC RAM protects long renders from silent data corruption โ€” ideal for professional workstations

Server / NASโœ“ Ideal

ECC RAM detects and corrects memory errors โ€” required for data-critical servers and ZFS storage

Laptop Upgradeโœ• Not suited

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.

A
Chief Analyst Verdict

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

$261.37

Current

$309.95

Tracked high

$489.98

โœ“ Near tracked low

Speed Ranking

Top 46%

2666MHz ranks in the top 46% of all DDR4 speeds tracked (2,032 modules).

SlowestFastest

About SK Hynix

4.4โ˜…

avg rating

90

products tracked

Browse all SK Hynix RAM prices

DDR4 Price by Capacity

Average $/GB across all DDR4 modules in the database

CapacityAvg $/GB
8GB$8.10/GB
16GB$7.81/GB
32GB$7.44/GB
64GBThis product$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

DDR48GB2400MHz

SK Hynix

Hynix HMA81GS6DJR8N-XN 8gb Ddr4-3200 Unbuffered Mem Disc Prod Spcl Sourcing See Notes

DDR48GB

SK Hynix

Hynix 8GB PC4-21300 DDR4-2666MHz 288-Pin DIMM 1.2V Memory RAM Module HMA81GU6CJR8N-VK

DDR48GB2666MHz

SK Hynix

SK hynix 8GB 2Rx8 PC4-2133P-SEO-11 HMA41GS6AFR8N-TF

DDR48GB
VK

Reviewed by C.R. Vinoth Kumar

Editor & Founder

Vinoth 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.

$309.95$4.84/GB
Buy on Amazon

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.