ST3300655LW Seagate Cheetah 15K.5 0.3TB Ultra 320 SCSI 16 MB 3.5" Server HDD

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Product line:

Seagate Cheetah

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Happyware Article Number:

SH2H5344-350964

Manufacturer Number:

ST3300655LW

Brand:

Seagate

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Description Technical details Warranty & Technical Support Reviews Bulk Deals

ST3300655LW

High-Performance 3.5in Enterprise SCSI HDD for legacy RAID storage continuity with the ST3300655LW

The ST3300655LW is a 3.5in enterprise hard drive designed to sustain legacy server and workstation platforms where Ultra320 SCSI backplanes and controllers remain in production. Instead of modern CPU-, GPU-, and NVMe-centric designs, this drive aligns with established SCSI RAID architectures that depend on deterministic spindle behavior and mature firmware command handling for consistent small-block access.

Within these systems, the ST3300655LW supports capacity expansion and like-for-like replacement without redesigning PCIe topology or migrating to SAS/SATA HBAs. Its 15K RPM CMR recording and onboard cache provide a predictable I/O profile for transactional datasets and metadata-heavy services that were tuned for SCSI queueing and controller cache policies. The single-port Ultra320 SCSI interface is optimized for compatibility with existing RAID controllers, preserving operational procedures for hot-swap bays, rebuild workflows, and monitoring tools.

Why Choose the ST3300655LW?

The ST3300655LW is a practical choice when architectural risk must be minimized and uptime depends on maintaining validated SCSI storage stacks. It enables a high density-to-performance balance for legacy enclosures, supports consistent RAID member behavior across drive sets, and helps keep certified configurations intact while scaling within the limits of established Ultra320 SCSI domains.

Seagate engineers the Cheetah platform with an enterprise reliability focus, emphasizing stable firmware behavior, sustained rotational performance, and interoperability with long-lived storage controllers. This approach supports data centre standards that prioritize controlled change management and predictable service restoration for legacy fleets.

Key Applications:

Ultra320 SCSI server and workstation refresh
Legacy RAID array drive replacement
Transactional databases on SCSI infrastructure
Boot and system volume for older platforms
Spare inventory for SCSI-based environments

At Happyware - Server Hardware you benefit from non-binding offers tailored to your legacy storage requirements for the ST3300655LW, helping you standardize replacements across installed SCSI fleets. For staged rollouts, bulk order discount options support consistent procurement of the ST3300655LW for maintenance windows and spare pools.

Technical details of ST3300655LW

Capacity:

300GB

Form Factor:

3.5"

Interface Speed:

Ultra 320 SCSI

Rotations:

15000RPM

Cache:

16 MB

How long is the Warranty and how you can get technical support for ST3300655LW

Warranty:	36 months (part)
RMA through customer:	yes
RMA Url:	https://www.seagate.com/support/warranty-and-replacements/
Description:	Items must be returned first for RMA. Advanced replacement is not available. No guaranteed delivery times specified. On-site service is not offered as standard. The warranty does not cover data loss. Regular data backups are recommended