005051633 - EMC 1GR202-031 1.8TB 10K RPM 4Kn SAS 12G 2.5" Seagate ST1800MM0008 Hard Drive

Capacity: 1.8 TB

Interface: SAS 12 Gbps (dual-port, backward compatible with 6 Gbps)

Spindle Speed: 10,000 RPM

Cache Buffer: 256 MB

Sector Format: 4Kn (native 4K sectors; 512e emulation supported in legacy mode)

Sustained Sequential Transfer Rate: Up to ~241 MB/s (outer zones) to ~117 MB/s (inner zones)

Average Seek Time: ~3.8–4.2 ms (read) / ~4.2–4.6 ms (write)

Rotational Latency: ~3.0 ms

Average Latency: ~6.8–7.2 ms

Random Read/Write IOPS (typical 4K QD32): ~200–250 IOPS read / ~180–220 IOPS write (HDD-limited; far below SSDs)

MTBF: 2.0 million hours (enterprise rating)

Power Consumption: Idle ≈5–6 W / Active ≈8–10 W

Acoustics: ≈3.0–3.6 Bels (idle/seek) – acceptable for data center

Vibration Tolerance: Enhanced rotational vibration safeguards for dense enclosures

Operating Temperature: 5°C to 55°C (drive operating range)

Form Factor: 2.5-inch SFF (15mm height) with EMC/Dell hot-swap carrier/tray

Carrier Type: EMC Unity-specific 2.5" tray (black plastic/metal with latch)