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OWC 32GB Memory RAM Kit Compatible with Synology DiskStation DS723+ DS923+
OWC

OWC 32GB Memory RAM Kit Compatible with Synology DiskStation DS723+ DS923+

Bottom line: The OWC 32GB Memory RAM Kit: Ships as a matched 2x16GB kit, no module mixing; main trade-off: fixed at DDR4-2666 PC4-21300 CL19, no faster clocks.

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Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Ships as a matched 2x16GB kit, no module mixing
  • ✓ ECC unbuffered SODIMM flags memory errors on 24/7 NAS
  • ✓ Limited lifetime warranty plus free OWC tech support
  • ✓ Matches Synology D4ECSO-2666-16G and D4ES01-16G part numbers

Cons

  • ✗ Fixed at DDR4-2666 PC4-21300 CL19, no faster clocks
  • ✗ Third-party RAM, not on Synology's official QVL list
  • ✗ Costs more than generic non-ECC DDR4 SODIMM kits
  • ✗ Only fits listed Plus/xs models, not entry-level DiskStations

SpecPicks Verdict

SpecPicks scored OWC 32GB Memory RAM Kit using a rating × review-volume × price-fit model applied to published specs and reviews across the memory & ram category. OWC's memory & ram lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

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

BrandOWC
Weight16g
Voltage1.2 volts
RAM Size32 GB
Model Name2C6D42R816GB
Form FactorSO-DIMM
Memory Speed2666 MHz
Model NumberOWC2C6D42R8032P
Number of Pins260
Mfr Part NumberOWC2C6D42R8032P
Number of Items2
Number of Packs2
INDUSTRY LEADINGConsumer Friendly Advanced Replacement Program and Limited Lifetime Warranty, which Includes Free Tech Support by Other World Computing
EASY INSTALLATIONIn Most Cases Installing Memory is an Easy DIY project. Watch our OWC Basic Installation Video for help.
Memory GenerationDDR4
Compatible DevicesSYNOLOGY DS1618+, SYNOLOGY DS1621+, SYNOLOGY DS1819+, SYNOLOGY DS1821+, SYNOLOGY DS923+
Data Transfer Rate2666 MHz
Memory Form FactorSODIMM
Additional FeaturesEcc, Lightweight
Computer Memory Size32 GB

Ready to buy?

OWC 32GB Memory RAM Kit Compatible with Synology DiskStation DS723+ DS923+ is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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