Aerospike Database vs Amazon MemoryDB

Aerospike Database9.1Visit Amazon MemoryDB8.7Visit

Higher score Aerospike Database #2 in Key-Value Databases 9.1/10 Free plan Free plan✓ 3 of 3 features Visit Aerospike

vs

Amazon MemoryDB #6 in Key-Value Databases 8.7/10 Paid ✓ 3 of 3 features Try Amazon MemoryDB

• Aerospike Database fits best

  High-scale hybrid deployments with strong consistency

• Amazon MemoryDB fits best

  Durable managed Redis or Valkey workloads

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Side by side

Feature	Aerospike Database 9.1/10 Visit ↗	Amazon MemoryDB 8.7/10 Visit ↗
At a glance
Editor score	9.1	8.7
Ranking	#2 in Key-Value Databases	#6 in Key-Value Databases
Best for	High-scale hybrid deployments with strong consistency	Durable managed Redis or Valkey workloads
Pricing model	Free plan + paid	Paid
Starting price	—	$0.20/GB usage-based
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Cloud, Self-hosted	Cloud
Support	Tickets, Community, Docs · 24/7	Tickets, Community, Docs
Built for	Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Aerospike Database 3/3 · Amazon MemoryDB 3/3
TTL support	✓	✓
Clustering support	✓	✓
Multi-region support	✓	✓
Specs
Deployment model	Hybrid	Cloud
Maximum value size	8 MB	Not checked yet
Persistence modes	Both	Both
Supported protocols	Aerospike wire protocol, Aerospike client API, TCP	Valkey Cluster protocol; Redis OSS Cluster protocol; HTTPS
Our review
Pros	Strong consistency with distributed transactions Hybrid storage modes from in-memory to all-flash Cross-datacenter replication through XDR	Multi-AZ transactional-log durability with automatic failover JSON documents, vector search, and active-active multi-Region replication TLS, AWS KMS encryption, ACLs, and IAM-based access controls
Cons	Community Edition is limited to 8-node clusters Community Edition supports up to 2.5 TB of data Enterprise Edition pricing requires contacting Aerospike	No free plan; MemoryDB is paid-only On-demand charges vary by node type and usage Multi-Region deployments do not support TTL
Our verdict	Aerospike Database is a distributed NoSQL database for enterprises building real-time applications with demanding latency, throughput, and scale requirements. It supports key-value, document, and graph data models through a common database… Read the review →	Amazon MemoryDB is a fully managed, durable in-memory key-value database for applications that need low-latency reads, fast writes, high throughput, and data durability. It is compatible with Valkey and Redis OSS data structures, commands,… Read the review →

Strengths and trade-offs

• Aerospike Database — where it wins

  • Strong consistency with distributed transactions
  • Hybrid storage modes from in-memory to all-flash
  • Cross-datacenter replication through XDR

  Where it doesn't

  • Community Edition is limited to 8-node clusters
  • Community Edition supports up to 2.5 TB of data
  • Enterprise Edition pricing requires contacting Aerospike

• Amazon MemoryDB — where it wins

  • Multi-AZ transactional-log durability with automatic failover
  • JSON documents, vector search, and active-active multi-Region replication
  • TLS, AWS KMS encryption, ACLs, and IAM-based access controls

  Where it doesn't

  • No free plan; MemoryDB is paid-only
  • On-demand charges vary by node type and usage
  • Multi-Region deployments do not support TTL

• Aerospike Database9.1/10 · Free plan

  A strong fit for high-scale, consistency-sensitive workloads across hybrid environments.

  Visit AerospikeFull verdict →
• Amazon MemoryDB8.7/10 · Paid

  A durable Redis- and Valkey-compatible service for low-latency, scalable workloads.

  Try Amazon MemoryDBFull verdict →