Lenovo 1TB 7200RPM SAS 12Gb/s Hot Swappable 2.5-Inch Hard Drive for System x3550 M5 Server – 00NA491

Lenovo 1TB 7200RPM SAS 12Gb/s Hot-Swap Hard Drive — 00NA491

The Lenovo 00NA491 is a 1TB 7200RPM SAS 12Gb/s hot-swappable 2.5-inch hard drive for the Lenovo System x3550 M5 server. An alternate part number variant of the x3550 M5 1TB SAS drive family, it delivers reliable enterprise storage for mixed workloads with SAS 12Gb/s connectivity and hot-swap capability for maximum server uptime.

Key Features

• 1TB capacity — enterprise SAS hard drive for x3550 M5
• SAS 12Gb/s interface — high-bandwidth enterprise connectivity
• 7200RPM — consistent I/O performance
• Hot-swappable — replace without server downtime
• 2.5-inch form factor for dense server configurations
• Validated for Lenovo System x3550 M5

Product Specifications

• Part Number: 00NA491
• Manufacturer: Lenovo
• OEM Status: OEM Lenovo
• Capacity: 1TB
• Interface: SAS 12Gb/s
• Form Factor: 2.5-inch
• Spindle Speed: 7200RPM
• Hot-Swap: Yes

Storage Specifications

• Capacity: 1TB
• Interface: SAS 12Gb/s
• Spindle Speed: 7200RPM
• Form Factor: 2.5-inch
• Hot-Swap: Yes

Performance Specifications

• Interface Bandwidth: SAS 12Gb/s
• Spindle Speed: 7200RPM
• Workload: Enterprise mixed workload

Use Cases

• Primary storage for Lenovo System x3550 M5 servers
• Enterprise mixed workload storage in x-series environments
• RAID array expansion for x3550 M5 deployments
• Replacement drive for existing x3550 M5 installations

Compatibility

• Lenovo System x3550 M5 server (primary validation)
• Other Lenovo x-series servers with SAS 12Gb/s 2.5-inch hot-swap bays (verify compatibility)
• SAS 12Gb/s RAID controllers

Frequently Asked Questions

What is the difference between 00NA491, 00NA492, and 00NA495?

All three are Lenovo 1TB 7200RPM SAS 12Gb/s 2.5-inch drives for the x3550 M5 — alternate part numbers that may differ in firmware revision or specific server model validation. Verify from Lenovo”s compatibility matrix.

Is this compatible with other Lenovo servers?

Validated for System x3550 M5. May work in other Lenovo servers with SAS 12Gb/s 2.5-inch bays — verify from Lenovo”s official compatibility guide.

Does this support hot-swap?

Yes, hot-swap is supported for drive replacement without powering down the server.

The Lenovo 00NA491 delivers 1TB of 7200RPM SAS 12Gb/s hot-swap enterprise storage in a 2.5-inch form factor — validated for the Lenovo System x3550 M5 server.