# Compliance Search and eDiscovery: Hardware Specifications

Before you deploy Data Insights for Compliance Search and eDiscovery, use these guidelines to select the appropriate hardware for your components.

#### Email Messages

Component | Large | Medium | Small
--- | --- | --- | ---
Source application size | 25 TB | 15 TB | 5 TB
Objects per node (an estimate based on an average message size of 100 KB. Messages with attachments are considered a single object) | 250 million | 150 million | 50 million
Number of mailboxes (based on an average mailbox size of 5 GB, and an average of 50,000 messages per mailbox) | 5000 | 2000 | 400
CPU | 16 cores | 16 cores | 8 cores
RAM | 64 GB | 32 GB | 16 GB
Index disk space (SSD class disk recommended) | 10 TB | 6 TB | 2 TB

#### Files

Component | Large | Medium | Small
--- | --- | --- | ---
Source data size per node | 320 TB | 160 TB | 80 TB
Objects per node (estimated based on an average file size of 2 MB and on the assumption that 50 percent of documents are eligible for content indexing and there is more than one version of the file) | 80 million | 40 million | 20 million
Objects per node (estimated for live scan based on an average file size of 2MB) | 160 million | 80 million | 40 million
CPU or vCPU | 16 cores | 16 cores | 8 cores
RAM | 64 GB | 32 GB | 16 GB
Index disk space (SSD class disk recommended) | 12 TB | 6 TB | 3 TB

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