OWC
OWC 16GB DDR4 RAM Compatible with Synology DiskStation DS723+ and DS923+ NAS System 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
Available Styles / Variations:
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.
Current price
$159.99$10.00/GBAs of May 30, 2026 ยท Verify on Amazon ยท Price subject to change
$/GB vs DDR4 market avg
Near avgDeal score
72/100
At $10.00/GB โ DDR4 market rate.
Buy on AmazonLoad alertsVerify Alternative Stores
Our systems refresh prices daily from Amazon.com to secure the absolute lowest USD market rate. You can cross-reference this RAM kit (ASIN: B0CCF4P4PL) against alternative marketplaces like Newegg or Crucial before buying.
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 we earn from qualifying purchases.
At a Glance
Strengths
- 4.7โ rating across 280 Amazon reviews
Limitations
- Limited price history โ recently added to tracking, trends not yet available
- Availability unconfirmed โ may be out of stock or delisted
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 16GB DDR4 ECC SO-DIMM specifications.
Laptop RAM โ suitable for gaming laptops with compatible slots
16GB handles office apps, video calls, and multiple browser tabs comfortably
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
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
$159.99
37d Low
$159.99
37d High
$159.99
37d Avg
$159.99
Speed Ranking
Top 46%
2666MHz ranks in the top 46% of all DDR4 speeds tracked (1,546 modules).
Z-Score Deviation
Fair / Average Price
Deviation: 1.00ฯ
This product is currently priced within normal historical margins.
Specifications
Memory TypeDDR generation (DDR4 vs DDR5) ยท guide | DDR4 |
CapacityTotal kit memory size ยท guide | 16GB |
| 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 | 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) ยท guide | SO-DIMM |
ECCError-correcting capability ยท guide | Yes |
VoltageOperating voltage level | 1.2V |
ASIN | B0CCF4P4PL |
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 16GB DDR4 โ lower $/GB than this product
Ranked by lowest $/GB. Same 16GB DDR4 SO-DIMM only. Prices updated daily.
DDR4 Price by Capacity
Average $/GB across all DDR4 modules in the database
| Capacity | Avg $/GB |
|---|---|
| 8GB | $9.68/GB |
| 16GBThis product | $9.70/GB |
| 32GB | $9.02/GB |
| 64GB | $8.97/GB |
| 128GB | $6.58/GB |
Also available from OWC
Same brand, different configurations
OWC
OWC 32GB (2X16GB) DDR4 RAM Compatible with Synology DiskStation DS723+ and DS923+ NAS System 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade
OWC
OWC 32GB (2x16GB) DDR4 2400MHZ PC4-19200 CL17 2RX8 Non-ECC SODIMM 1.2V 260-pin Laptop Notebook Memory RAM Upgrade Module
OWC
OWC 16GB (2x8GB) DDR4 2400MHZ PC4-19200 CL17 1RX8 Non-ECC SODIMM 1.2V 260-pin Laptop Notebook Memory RAM Upgrade Module
Related pages
Frequently Asked Questions
Is the OWC 16GB 2666MHz DDR4 compatible with my motherboard?
This module is compatible with Laptop โ DDR4 SO-DIMM. 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 $159.99 ($10.00/GB), this module is priced near the DDR4 market average. Check the price history chart above to see if prices have been trending up or down recently.
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 OWC RAM compare to other brands?
OWC has 89 modules tracked with an average customer rating of 4.4โ . This specific module is 3% below the overall DDR4 market average $/GB. Browse all OWC 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?
16GB is the minimum recommended for gaming in 2026. Most AAA titles use 12โ16GB alongside Discord and a browser. 32GB is the sweet spot if you also stream, record, or run VMs.
What is the difference between a single 16GB stick and a 2ร8GB kit?
A single 16GB stick runs in single-channel mode, using only one memory channel. A 2ร8GB 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 DDR4 RAM
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Silicon Power DDR4 16GB 3200MHz (PC4-25600) CL22 SODIMM 260-Pin 1.2V Non-ECC Laptop RAM Notebook Computer Memory SU016GBSFU320F02AB
A-Tech
A-Tech 16GB DDR4 2133 MHz SODIMM PC4-17000 (PC4-2133P) CL15 2Rx8 Non-ECC Laptop RAM Memory Module
Samsung
Samsung 16GB DDR4 PC4-19200, 2400MHz, 260 PIN SODIMM, CL 17, 1.2V, ram Memory Module, M471A2K43CB1-CRC
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 we earn from qualifying purchases. Prices are updated daily and may change on Amazon.