85KCH Specifications
Dell 3 TB 7,200 RPM SAS 3.5-inch Enterprise Hard Drive
Manufacturer: Dell (OEM by Seagate)
Manufacturer Model: 85KCH (Equivalent to Seagate ST3000NM0025)
Product Line: Dell Enterprise Plus SAS HDD
Product Series: 3.5-inch LFF SAS 12Gb/s 7.2K
Product Type: Internal Hard Disk Drive (Hot-Swap)
Product Name: Dell 3 TB 7.2K SAS Enterprise HDD
KEY FEATURES:
Storage Capacity: 3 TB
Interface Type: SAS (12 Gb/s)
Rotational Speed: 7,200 RPM
Form Factor: 3.5-inch (LFF)
Hot-Swap Support: Yes
Cache (Buffer) Size: 128 MB
Sector Format: 512n
PERFORMANCE:
Maximum Data Transfer Rate: Up to 12 Gb/s
Average Seek Time: ~8.5 ms
Average Latency: ~4.16 ms
ENVIRONMENTAL & RELIABILITY:
Designed for enterprise servers, storage arrays, and SAN/NAS systems with hot-swap capability
MTBF: ~1.4 million hours (approximate)
Reliability Rating: Enterprise-class, 24×7 continuous operation
Workload Rate Limit: Up to 550 TB/year
PHYSICAL:
Form Factor: 3.5-inch Large Form Factor (LFF) drive
Typical Dimensions: ~146 mm × 101.6 mm × 26.1 mm
Weight: ~0.70 kg (~1.54 lbs)

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