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OWC 32GB (2x16GB) DDR4 2666MHz PC4-21300 CL19 2RX8 ECC Unbuffered UDIMM 1.2V 288-pin Workstation Server Memory RAM
OWC

OWC 32GB (2x16GB) DDR4 2666MHz PC4-21300 CL19 2RX8 ECC Unbuffered UDIMM 1.2V 288-pin Workstation Server Memory RAM

Bottom line: The OWC 32GB (2x16GB) DDR4 2666MHz PC4-21300 CL19 2RX8 ECC Unbuffered is a specs-and-price decision rather than a crowd-consensus one in the memory & ram category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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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

  • ✓ Backed by OWC's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

SpecPicks Verdict

SpecPicks scored OWC 32GB (2x16GB) DDR4 2666MHz PC4-21300 CL19 2RX8 ECC Unbuffered… 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 Unbuffered DIMM 1.2V 288-pin Memory Modules
  • 100% COMPLIANT: With JEDEC Standard Specifications, ROHS Compliant, Warranty Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs
  • INCREASED PERFORMANCE: Memory Upgrades are the Most Effective and Easy Way to Boost your PC's Performance
  • INDUSTRY LEADING: Consumer Friendly Advanced Replacement Program and Limited Lifetime Warranty, which Includes Free Tech Support by Other World Computing
  • Works with Desktop, Workstation and Servers like: PowerEdge, Precision, StoreEasy, ProLiant, Apollo, ThinkServer, ThinkStation, ThinkSystem, System X and more

Full Specifications

BrandOWC
Voltage1.2 Volts
RAM Size32 GB
Unit Count2.0 Count
Form FactorDIMM
Memory Speed2666 MHz
Model NumberOWC2U6D42R8032P
CompatibilityPC
100% COMPLIANTWith JEDEC Standard Specifications, ROHS Compliant, Warranty Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs
Number of Pins288
Mfr Part NumberOWC2U6D42R8032P
INDUSTRY LEADINGConsumer Friendly Advanced Replacement Program and Limited Lifetime Warranty, which Includes Free Tech Support by Other World Computing
OWC 32GB UPGRADEConsists of 2pcs of 16GB DDR4 2666MHz PC4-21300 CL19 2RX8 ECC Unbuffered DIMM 1.2V 288-pin Memory Modules
Memory GenerationDDR4
Compatible DevicesDesktop, Server
Data Transfer Rate2666 MHz
Memory Form FactorUDIMM
Additional FeaturesLightweight
Computer Memory Size32 GB
Warranty DescriptionOWC Memory Lifetime Limited Warranty including Advanced Replacement Program

Ready to buy?

OWC 32GB (2x16GB) DDR4 2666MHz PC4-21300 CL19 2RX8 ECC Unbuffered UDIMM 1.2V 288-pin Workstation Server Memory RAM 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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