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Silver 2.5 inch enterprise hard drive with green circuit board visible on underside

Hitachi, Ltd.

Hitachi, Ltd. HUC101212CSS600 1.2TB 10000RPM SAS 64MB 2.5

SKU CH-W8AA-RA1EG

1.2 TB 10000 RPM SAS enterprise hard drive with 64 MB cache in a 2.5 inch form factor

  • Total capacity1.2 TB
  • Interface typeSerial Attached SCSI (SAS)
  • Form factor2.5 in (6.35 cm)
  • Cache memory64 mb
  • Rotational speed10,000 RPM
  • Max height14.8 mm
  • Enterprise-grade reliability with 10,000 RPM performance
  • 2 TB capacity stores large server workloads
  • SAS 6 Gbit/s interface ensures fast data throughput
  • 64 MB cache accelerates read and write operations
  • 5-inch 14.8 mm form factor fits dense server bays

Enterprise SAS storage

The Hitachi Ultrastar C10K1200 is a 1.2TB 2.5-inch enterprise hard drive spinning at 10000 RPM with a 64MB cache and a SAS interface. It is built for server and storage-array workloads that demand consistent throughput and high random IOPS in a small form factor. The 14.8mm z-height fits standard enterprise drive bays and hot-swap trays.

Suited for server arrays not laptops

This drive targets administrators deploying primary or tiered storage in rack-mounted servers, JBOD enclosures or blade systems where SAS controllers and backplanes are standard. Buyers needing a drop-in laptop upgrade should look elsewhere because the SAS connector and enterprise firmware require a compatible SAS host adapter or RAID controller. Systems limited to consumer storage interfaces cannot use this device.

SAS interface decides compatibility

The single specification that determines fit is the Serial Attached SCSI interface, which requires a matching SAS HBA, RAID card or backplane with 6Gbit/s signalling. Without that controller infrastructure the drive will not be recognised or powered correctly. Verify your host hardware supports SAS before purchasing.

How it compares

Measured against everything we stock in 2.5-Inch Internal Laptop HDDs, at today’s prices. Recalculated every night.

Price $50.99
Cheaper than about 66% of the 645 comparable items (median $66.99).
Total capacity 1.2 TB
Higher than about 90% of the 419 comparable items (median 320 GB).
Price per TB $42.49 per TB
Cheaper than about 94% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameHitachi GST
Model nameHUC101212CSS600
Total capacity1.2 TB
Recommended useIdeal for Servers
Performance
Rotational speed10,000 RPM
Storage
Cache memory64 mb
Ports & slots
Interface typeSerial Attached SCSI (SAS)
Size & build
Form factor2.5 in (6.35 cm)
Max height14.8 mm
Maximum length100.6 mm

Questions about this item

What does the 10000 RPM spindle speed mean for real-world server workloads?

The 10000 RPM rotation reduces average latency and sustains higher sequential throughput than slower drives, helping database and transactional workloads that rely on quick random access.

How does the SAS 6 Gbit/s interface limit actual transfer rates?

The SAS 6 Gbit/s link caps the drive's external data rate at 600 MB/s, so sustained reads and writes cannot exceed that ceiling even if the platters could deliver more.

Will the 14.8 mm height fit my 2.5-inch drive bay?

The drive measures 14.8 mm tall, 70.1 mm wide and 100.6 mm long, so it fits standard 2.5-inch SFF bays that accept 14.8 mm-high devices.

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