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Silver 2.5 inch enterprise SAS hard drive, bare drive form factor, model 0B28953

HGST

HGST 0B28953 600GB 15030 RPM SAS 12Gb/s 2.5" laptop hard drive

SKU CH-DHVG-1765G MPN 0B28953

600 GB enterprise hard drive with 15030 RPM, 128 MB cache and SAS 12Gb/s interface in a 2.5-inch form factor

  • PackagingBare Drive
  • InterfaceSAS 12Gb/s
  • Capacity600GB
  • Cache128MB
  • Average Seek Time2.9ms
  • Average Write Time3.1ms

Options SAS 512N ISE

  • SAS 512N ISE
  • SAS 512N SE

Struck-through versions exist but are not stocked here.

  • 15030 RPM spindle delivers sub-2.0 ms latency for Tier 0 workloads
  • 128 MB cache absorbs write bursts to sustain 12 Gb/s SAS throughput
  • 9 ms average seek accelerates random I/O in 2.5 inch form factor
  • 600 GB capacity fits enterprise datasets in 14.8 mm z-height
  • SAS 12 Gb/s interface moves data reliably at 512 N sector size

600GB 15K SAS enterprise drive

The HGST Ultrastar C15K600 delivers 600GB of storage on a 2.5-inch form factor spinning at 15030 RPM with a 128MB cache. It connects through a SAS 12Gb/s interface and is built for Tier 0 and 1 applications that demand sustained throughput and low latency. The bare-drive unit fits standard 2.5-inch bays with a maximum height of 14.8mm.

SAS 12Gb/s throughput ceiling

The 12Gb/s SAS link sets the maximum interface bandwidth, so the drive cannot exceed that transfer rate even though the 15030 RPM platters and 128MB cache can feed data faster in burst scenarios. Average latency sits below 2.0ms while average seek and write times are 2.9ms and 3.1ms respectively, but the bus remains the hard limit for sustained sequential work.

15030 RPM spindle speed decides fit

The 15030 RPM rotation is the single specification that determines whether this drive matches a workload needing the highest random IOPS from a mechanical disk. Buyers who need larger capacity per spindle or lower power draw for bulk storage should look elsewhere because this model tops out at 600GB and prioritises speed over density.

Highlights

  • 15030 RPM spindle delivers sub-2.0 ms latency for Tier 0 workloads
  • 128 MB cache absorbs write bursts to sustain 12 Gb/s SAS throughput
  • 9 ms average seek accelerates random I/O in 2.5 inch form factor
  • 600 GB capacity fits enterprise datasets in 14.8 mm z-height
  • SAS 12 Gb/s interface moves data reliably at 512 N sector size

Specifications

BrandHGST
SeriesUltrastar C15K600
ModelHUC156060CSS200 (0B28953)
PackagingBare Drive
InterfaceSAS 12Gb/s
Capacity600GB
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
Shipping weight0.45 kg
Package size229 × 152 × 76 mm

Questions about this item

Should I choose the 600GB 15030 RPM model or a lower-capacity 15K SAS drive?

The 600GB 15030 RPM model delivers the highest capacity in the Ultrastar C15K600 series with 128MB cache and 12Gb/s SAS. Lower-capacity 15K drives share the same spindle speed and interface but offer less space for Tier 0/1 workloads.

What does the 15030 RPM figure mean for real-world latency and seek time?

At 15030 RPM the drive achieves average latency under 2.0ms, average seek time of 2.9ms and average write time of 3.1ms, enabling fast random access for enterprise applications.

How does the SAS 12Gb/s interface cap actual throughput in a server backplane?

The 12Gb/s SAS link supports up to 12Gb/s per lane; real-world throughput depends on the controller and backplane, but the interface itself does not exceed 12Gb/s.

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