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
*Price sourced from Amazon.com. Last updated 2026-05-21. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies OWC 32GB (2X16GB) DDR4 RAM Compatible with Synology DiskStation… as a category leader on buyer feedback in the memory & ram category, based on 285 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. OWC's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for memory & ram of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.7★ average across customer reviews
- ✓ Backed by OWC's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- OWC 32GB UPGRADE: Consists of 2pcs of 16GB DDR4 2666MHz PC4-21300 CL19 2RX8 ECC SO-DIMM 1.2V 260-pin Memory Modules Compatible with Synology part numbers D4ECSO-2666-16G, D4ES01-16G
- Compatible for Synology NAS DiskStation, RackStation, FlashStation, & NVR DVA Servers models: DS1522+, DS1618+, DS1621+, DS1621xs+, DS1819+, DS1821+, DS2419+, DS2419+II, DS2422+, DS3018xs, DS3617xs, DS3617xsII, DS3622xs+, DVA3219, DVA3221, FS1018, RS1221+, RS1221RP+, RS822+, RS822RP+
- INCREASED PERFORMANCE: Memory Upgrades are the Most Effective and Easy Way to Boost the Performance of Your Server, Micro Server or NAS System
- INDUSTRY LEADING: Consumer Friendly Advanced Replacement Program and Limited Lifetime Warranty, which Includes Free Tech Support by Other World Computing
- EASY INSTALLATION: In Most Cases Installing Memory is an Easy DIY project. Watch our OWC Basic Installation Video for help.
Full Specifications
| Brand | OWC |
|---|---|
| Weight | 16g |
| Voltage | 1.2 Volts |
| RAM Size | 32 GB |
| Model Name | 2C6D42R816GB |
| Form Factor | SO-DIMM |
| Memory Speed | 2666 MHz |
| Model Number | OWC2C6D42R8032P |
| Number of Pins | 260 |
| Mfr Part Number | OWC2C6D42R8032P |
| INDUSTRY LEADING | Consumer Friendly Advanced Replacement Program and Limited Lifetime Warranty, which Includes Free Tech Support by Other World Computing |
| EASY INSTALLATION | In Most Cases Installing Memory is an Easy DIY project. Watch our OWC Basic Installation Video for help. |
| Memory Generation | DDR4 |
| Compatible Devices | SYNOLOGY DS1618+, SYNOLOGY DS1621+, SYNOLOGY DS1819+, SYNOLOGY DS1821+, SYNOLOGY DS923+ |
Ready to buy?
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 is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-21. Price and availability subject to change.
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