HX-HD18TW7KL4KN Cisco 18TB SAS 12Gbps HDD at discount

HX-HD18TW7KL4KN Specifications

Cisco 18 TB 3.5″ 12G SAS 7.2K RPM 4Kn LFF HDD

Manufacturer: Cisco
Manufacturer Model: HX-HD18TW7KL4KN
Product Line: Cisco UCS / HyperFlex
Product Series: High-Capacity Nearline SAS Drives
Product Type: Internal Hard Disk Drive (HDD)
Product Name: Cisco 18 TB 3.5″ 12 Gb/s SAS 7.2K RPM 4K-Native Enterprise HDD

KEY FEATURES:

Storage Capacity: 18 TB
Interface Type: Serial Attached SCSI (SAS) 12 Gb/s dual-port
Form Factor: 3.5-inch Large Form Factor (LFF)
Drive Type: Hot-plug / Hot-swappable
Rotational Speed: 7,200 RPM
Sector Format: 4Kn (4,096 bytes per sector)
Data Transfer Rate: Up to 12 Gb/s interface
Compatibility: Designed for Cisco UCS / HyperFlex systems requiring high-capacity nearline drives
Features Supported: Nearline enterprise SAS class, dual-port SAS path resiliency, 24×7 duty cycle

PERFORMANCE:

Maximum Data Transfer Rate: Up to 12 Gb/s (SAS)
Sustained Throughput: Typical for 18 TB 7.2K SAS nearline drives (~200-300 MB/s)
Average Latency: ~4.16 ms (7.2K RPM class)
Random Read IOPS: Not explicitly specified
Random Write IOPS: Not explicitly specified
Cache Buffer: Not explicitly specified

ENVIRONMENTAL & RELIABILITY:

Operating Temperature Range: Not explicitly specified
Storage Temperature Range: Not explicitly specified
Operating Humidity: Not explicitly specified
Shock Resistance: Not explicitly specified
Vibration Resistance: Not explicitly specified
Mean Time Between Failures (MTBF): Enterprise-class implied
Workload Rate Limit: Not explicitly specified
Reliability Rating: Enterprise Nearline SAS

PHYSICAL:

Dimensions (W × D × H): Standard 3.5-inch LFF (approx. 101.6 mm × 147 mm × 26.1 mm)
Weight: Not explicitly specified
Color: Standard drive metallic/black (carrier dependent)