ST3300555SS Seagate Cheetah T10 0.3TB SAS 16 MB 3.5" Server HDD

High-Performance 3.5in Enterprise SAS HDD featuring 10K RPM transactional throughput with the ST3300555SS

The ST3300555SS is a 3.5in internal enterprise HDD engineered for SAS backplanes in rack and blade server platforms that prioritise consistent IOPS under mixed read/write pressure. In CPU-dense nodes where compute cycles must not stall on storage latency, the ST3300555SS supports predictable service times for OS volumes and steady-state database activity, aligning well with Tier-1 SAS architectures that still require rotating media for capacity-balanced performance.

Designed for 24x7 operation, the ST3300555SS integrates cleanly into SAS controller ecosystems where PCIe-attached HBAs and RAID adapters provide queue depth, multipath resiliency, and disciplined rebuild behaviour. Its 10,000 RPM spindle and tuned firmware characteristics suit environments that depend on deterministic access patterns, while the 3.5in form factor maintains broad chassis compatibility for legacy infrastructure refreshes and long-tail spares.

Why Choose the ST3300555SS?

The ST3300555SS delivers an effective density-to-performance profile for enterprise SAS tiers where reliability, serviceability, and controlled latency matter more than peak sequential throughput. It is a practical choice for standardised fleets that need repeatable qualification, straightforward replacement logistics, and scalable deployment across multi-bay storage planes.

Seagate designs its enterprise drives with a focus on continuous-duty stability, firmware consistency across production cycles, and compatibility with established SAS storage stacks. This engineering approach supports modern data centre operational standards, including disciplined lifecycle management, predictable failure-domain planning, and sustained performance under always-on workloads.

Key Applications:

• Server boot and OS volumes
• Tier-1 transactional SAS storage
• RAID arrays in legacy SAS infrastructures
• Infrastructure refresh spares and maintenance stock

At Happyware - Server Hardware you benefit from non-binding offers tailored to your SAS storage requirements for ST3300555SS deployments, and can secure bulk order discount options when standardising ST3300555SS inventory across multiple server platforms.