WUH721818ALE6L4 WD HD 18TB SATA 6Gb/s at discount

WUH721818ALE6L4 Specifications

Western Digital Ultrastar DC HC550 18 TB 7,200 RPM SATA 3.5-inch Helium Hard Drive

Manufacturer: Western Digital
Manufacturer Model: WUH721818ALE6L4
Product Line: WD Ultrastar DC HDD
Product Series: DC HC550 3.5-inch LFF SATA 7.2K Helium
Product Type: Internal Hard Disk Drive
Product Name: WD Ultrastar DC HC550 18 TB 7.2K SATA HDD

KEY FEATURES:

Storage Capacity: 18 TB

Interface Type: SATA (6 Gb/s)

Rotational Speed: 7,200 RPM

Form Factor: 3.5-inch (LFF)

Hot-Swap Support: Yes

Cache (Buffer) Size: 512 MB

Helium-sealed drive for higher density and lower power

PERFORMANCE:

Maximum Data Transfer Rate: ~255 MB/s

Average Seek Time: ~8.5 ms

Average Latency: ~4.17 ms

ENVIRONMENTAL & RELIABILITY:

Designed for enterprise server/array environments with hot-swap capability

MTBF: 2.5 million hours (approximate)

Reliability Rating: Enterprise-class, 24×7 operation

PHYSICAL:

Form Factor: 3.5-inch Large Form Factor (LFF) drive

Typical Dimensions: 146 mm × 101.6 mm × 26.1 mm

Weight: ~0.78 kg (~1.72 lbs)