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Small silver 2.5 inch bare hard drive with label showing model HUC156030CSS200

HGST

HGST Ultrastar C15K600 HUC156030CSS200 300GB 15030 RPM SAS 12Gb/s 2.5" laptop hard drive

SKU CH-HH8W-4S04B

2.5‑inch enterprise SAS drive spinning at 15030 RPM with 300GB capacity and 128MB cache for Tier 0/1 workloads

  • PackagingBare Drive
  • InterfaceSAS 12Gb/s
  • Capacity300GB
  • Cache128MB
  • Average Seek Time2.9ms
  • Average Write Time3.1ms
  • 15030 RPM spindle speed accelerates Tier 0/1 workloads
  • 12Gb/s SAS interface moves data quickly and reliably
  • 128MB cache buffer manages data efficiency
  • 9ms average seek time reduces access latency
  • 300GB capacity in a 2.5-inch 14.8mm form factor

Enterprise 15K SAS Drive

The HGST Ultrastar C15K600 HUC156030CSS200 is a new 300GB 2.5-inch enterprise hard drive spinning at 15030 RPM with a SAS 12Gb/s interface and 128MB cache. It targets Tier 0 and Tier 1 applications that demand the lowest latency and highest random transaction rates in 24x7 server and storage-array environments.

Suits high-performance servers.

This drive suits high-performance computing clusters, blade servers and rack-mounted arrays where 2.9ms average seek time and sub-2.0ms latency accelerate mission-critical workloads. It is not for buyers who need capacities beyond 300GB, systems that lack a SAS 12Gb/s host connection, or deployments where the acoustic profile and power envelope of mechanical 15K RPM media are unsuitable.

15030 RPM spindle speed decides fit

The single specification that determines suitability is the 15030 RPM spindle speed, which delivers 2.5X faster random write performance and 38% faster sequential throughput compared to 15K 3.5-inch alternatives. If the workload requires that tier of transactional throughput and the chassis accepts a 14.8mm-high 2.5-inch SAS device, this model matches the requirement; otherwise, a lower-speed or solid-state device should be selected.

Points forts

  • 15030 RPM spindle speed accelerates Tier 0/1 workloads
  • 12Gb/s SAS interface moves data quickly and reliably
  • 128MB cache buffer manages data efficiency
  • 9ms average seek time reduces access latency
  • 300GB capacity in a 2.5-inch 14.8mm form factor

Caractéristiques

BrandHGST
SeriesUltrastar C15K600
ModelHUC156030CSS200 (0B28955)
PackagingBare Drive
InterfaceSAS 12Gb/s
Capacity300GB
Cache128MB
Average Seek Time2.9ms
Average Write Time3.1ms
Average Latency<2.0ms
RPM15030 RPM
Features15,000 RPM performance for Tier 0/1 applications
Capacities up to 600GB
Industry-leading 12Gb/s SAS moves more data quickly and reliably
Compared to 15K 3.5-inch HDDs:
- 2.5X faster random write performance
- 14% faster random read performance
- 38% faster sequential performance
- 54% lower active and idle power
- 70% smaller footprint
2M hours MTBF rating
128MB cache buffer manages data efficiency
Security & encryption models including ISE, TCG-SED & FIPS 140-2 certified TCG-SED
Applications/Environments
- High Performance Computing (HPC) & other high-performance, mission-critical a
Form Factor2.5"
Height (maximum)14.8mm
Width (maximum)70.1mm
Length (maximum)100.45mm
OptionsSAS 512N ISE

Questions sur cet article

How do I install the 2.5-inch SAS drive in a laptop bay and what step is often missed?

Slide the bare drive into the 2.5-inch bay, secure it with the correct screws for the 14.8 mm height, then attach the SAS 12Gb/s data and power connector — the step often missed is confirming the controller detects the 12 Gb/s link speed before closing the chassis.

What maintenance or replacement will the Ultrastar C15K600 need later?

The drive has no user-serviceable parts; plan replacement when SMART attributes show reallocated sectors or when the 2M-hour MTBF rating suggests end of life for 24x7 Tier 0 workloads.

What limit appears first under sustained write workloads on this 15030 RPM SAS drive?

The 128 MB cache and 12 Gb/s SAS interface can absorb bursts, but sustained random writes are limited by the 3.1 ms average write latency and the mechanical 15030 RPM rotation speed.

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