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Email & Collaboration Servers

Email downtime is immediately visible to every employee and every customer. ICD configures email-optimized servers with genuine, compatibility-verified components designed for 24/7 uptime — redundant power, ECC memory, RAID-protected storage, and remote management for 2 AM recovery.

On-premises email remains the choice for organizations that need full control over mailbox data — whether for regulatory compliance, data sovereignty, or legacy integrations. Microsoft Exchange Server 2019 is the dominant platform.

Email servers have a unique I/O profile: millions of small random reads and writes across thousands of mailbox databases simultaneously. They need rock-solid storage performance, enough memory to cache active mailboxes, and redundancy at every level.

Recommended Specifications

ComponentMinimumRecommendedNotes
CPUSingle Xeon Silver 4310 (12 cores)Dual Xeon Silver 4314 (32 cores)Exchange uses 1 core per 10-15 active users; dual CPU provides failover capacity
RAM64 GB DDR4-3200 RDIMM128 GB – 256 GB DDR4/DDR5 RDIMMExchange 2019 uses all available RAM for database cache; 128 GB supports ~2,000 mailboxes
Storage2x 480 GB SSD RAID 1 (OS) + 4x 2.4 TB 10K SAS RAID 102x 480 GB SSD RAID 1 (OS) + 6x 1.92 TB SAS SSD RAID 10 + 2x 960 GB SSD RAID 1 (logs)Separate OS, mailbox database, and transaction logs on different RAID arrays
NetworkDual 1GbE (redundant, teamed)Dual 10GbE (MAPI replication + client access)Exchange DAG replication benefits from dedicated replication NIC
RAID ControllerDell PERC H755 or HPE P408i with BBUDell PERC H755 with 8 GB cache (write-back mode)Battery-backed write cache is non-negotiable for Exchange

Recommended Servers

Compatible Parts

Why ICD?

Redundancy as Standard

Redundant power, ECC memory, and RAID-protected storage as standard — not optional extras

RAID Controller Verified

Battery-backed RAID controllers verified compatible with your server platform and firmware

Exchange Expertise

Engineers who understand Exchange DAG architecture, mailbox database placement, and transaction log sizing

500,000+ Genuine Parts

Shipped to Egypt, KSA, UAE, and worldwide from our verified OEM inventory

Ready to Build Your Email Server?

Exchange, Zimbra, or any on-premises email platform — configured for your mailbox count and uptime requirements.

Frequently Asked Questions

How much RAM does Exchange Server 2019 need?
Exchange will use all available RAM as database cache. For 1,000 mailboxes, 128 GB provides a good cache ratio. For 2,000-5,000 mailboxes, 256 GB is recommended.
Should I use SSD or HDD for Exchange?
SSD is now recommended for Exchange mailbox databases. SAS SSDs in RAID 10 provide the best combination of performance and redundancy.
Do I need separate servers for Exchange roles?
Exchange 2019 combines all roles into a single server. For small deployments, a single server with a DAG partner is sufficient.
Is on-premises Exchange still viable vs Microsoft 365?
Yes, particularly for organizations with data sovereignty requirements, strict compliance mandates, or unreliable internet connectivity.

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