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Memcached

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High-performance distributed memory caching system

Paid plans only
Paid Developer Tools Data & Databases Cloud & Infrastructure
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Reviews on G2
18 reviews tracked

The Bottom Line

Price
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Key facts

  • Memcached is a free, open-source, high-performance, distributed memory object caching system.
  • It functions as an in-memory key-value store for small data chunks, primarily to speed up dynamic web applications by reducing database load.
  • Memcached allows applications to utilize a shared virtual pool of memory across multiple servers, improving cache efficiency and scalability.

Pros

  • Extremely fast
  • Simple to use
  • Battle-tested at scale
  • Low memory overhead

Cons

  • No persistence
  • No built-in replication
  • Limited data structures

What is Memcached?

Memcached is a free, open-source, high-performance, distributed memory object caching system. It speeds up dynamic web applications by alleviating database load through caching data and objects in RAM.
how we evaluate Source memcached.org ↗

Ratings Across the Web

4.6 (18 reviews)

Memcached holds an aggregate rating of 4.6 out of 5 from 18 reviews across G2, last checked September 22, 2026.

G2 18 reviews
4.6/5

Ratings aggregated from independent review platforms. Learn more

Key Features

  • In-memory caching
  • Distributed architecture
  • Simple key-value storage
  • Multi-threaded performance
  • Binary and text protocol

Pricing Plans

Pricing checked Oct 4, 2026

Memcached plans and prices, checked October 2026
PlanPriceDetails
Open Source

$0

  • BSD licensed
  • High-performance caching
  • Multi-threaded architecture
+1 more
  • Production ready
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Is Memcached worth the price?

Great value

Memcached's pricing is exceptionally generous, as it is entirely open-source and free.

There are no direct costs associated with using the core Memcached software itself. This makes it an ideal solution for any organization looking for a high-performance caching system without budget constraints for the software license.

Full Memcached pricing: every plan, hidden costs and alternatives

Reviews

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4.6/5

Across 18 verified user reviews on G2

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Best Memcached Alternatives

Top alternatives based on features, pricing, and user needs.

Hazelcast logo
Hazelcast Freemium

Real-time data platform for streaming and memory

4.5
See all developer tools →

Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

Memcached vs Hazelcast Head-to-head: features, pricing, who wins

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Memcached FAQ

How does Memcached improve web application performance?

Memcached speeds up dynamic web applications by caching data and objects directly in RAM. This process alleviates database load, allowing applications to retrieve frequently accessed information much faster.

Which teams benefit most from using Memcached?

Teams developing dynamic web applications, especially those experiencing high database load, will find Memcached most beneficial. It is particularly useful for applications requiring high performance and low latency data access.

How is Memcached priced?

Memcached is available on both free and paid plans. The core system is open-source and free to use, with paid plans typically referring to managed services or commercial support offerings.

What kind of data structures does Memcached support?

Memcached offers limited support for complex data structures. Its primary function is to store objects as key-value pairs in memory for quick retrieval.

Can Memcached ensure data availability if a server fails?

Memcached does not include built-in replication, meaning it does not inherently ensure data availability if a server fails. It also lacks persistence, so cached data is lost upon server restart or failure.

How does Memcached compare to Hazelcast for caching needs?

Memcached is known for its extreme speed and simplicity in distributed memory object caching, often used to alleviate database load. Hazelcast, while also a caching solution, typically offers more advanced features like data persistence and complex data structures, which Memcached does not provide.

Source: memcached.org

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