Hitachi HGST Hard Drive 1.8TB 10K RPM SAS 2.5" VSP G200 G1000 Series DKR5G-J1R8SS 5560490-A

Hitachi HGST Hard Drive 1.8TB 10K RPM SAS 2.5" VSP G200 G1000 Series DKR5G-J1R8SS 5560490-A

Description (Hitachi / HGST 5560490-A / DKR5G-J1R8SS)

The Hitachi Data Systems (HDS) 5560490-A (HGST model DKR5G-J1R8SS) is a 2.5-inch, 1.8TB, 10K RPM SAS enterprise HDD supplied with HDS/Hitachi VSP G-series–compatible firmware/tray for use in VSP G200 / G1000-class storage configurations and related small-form-factor (SFF) drive enclosures.

Key specifications

Identity / ordering

• HDS Part Number: 5560490-A

• Drive model: DKR5G-J1R8SS

• Product type: Enterprise internal HDD (typically sold as an array drive w/ tray)

Capacity & performance

• Capacity: 1.8TB

• Spindle speed: 10K RPM class (C10K1800 family lists 10,520 RPM)

• Cache / buffer: 128MB (C10K1800 family)

• Average latency: 2.85 ms (C10K1800 family)

• Interface transfer rate (max): 1200 MB/s (12Gb/s SAS; C10K1800 family)

• Sustained transfer rate (typical): 146–247 MB/s for 1.8TB models (outer→inner; C10K1800 family)

Interface & form factor

• Interface: SAS

• SAS link speed: commonly specified as 12Gb/s for 5560490-A listings; also matches the Ultrastar C10K1800 platform

• Form factor: 2.5-inch SFF

• Height (z-height): 15 mm (C10K1800 family)

• Dimensions (W×D): 70.1 × 100.45 mm (C10K1800 family)

Formatting / sectors

• Sector formats: C10K1800 family supports 512e and 4Kn (and some 512n variants depending on model)

Reliability

• Non-recoverable read error rate: 1 in 10¹⁶ bits read (C10K1800 family)

• MTBF: C10K1800 family is rated 2.0M hours, while some HDS 5560490-A reseller listings cite 1.6M hours (firmware/binning differences may apply).

Platform / compatibility notes (as sold for VSP)

• Frequently described as compatible with VSP-G series DBS 24-bay SFF enclosures.

• Also described for use in DKC-F810i-DBSC SFF Expansion frame or DKC-F810i-G200 dual controller configurations; feature code listed as DKC-F810i-1R8JGM.

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