HX-HD12T7KL4KM Cisco 12TB SAS 12Gbps HDD at discount

HX-HD12T7KL4KM Specification

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

Manufacturer: Cisco
Manufacturer Model: HX-HD12T7KL4KM
Product Line: Cisco UCS / HyperFlex
Product Series: HyperFlex HX-Series, UCS C-Series
Product Type: Internal Hard Disk Drive (HDD)
Product Name: Cisco 12TB 3.5″ 12G SAS 7.2K RPM 4Kn Enterprise HDD

KEY FEATURES:

Storage Capacity: 12 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
Compatibility: Designed for Cisco HyperFlex HX-Series and UCS C-Series servers
Features Supported: Enterprise-class reliability, high-capacity nearline SAS, 24×7 operation, hot-swap capability

PERFORMANCE:

Maximum Data Transfer Rate: Up to 12 Gb/s (SAS interface)
Sustained Throughput: ~230 MB/s (typical for 12 TB 7.2K SAS drives)
Average Latency: ~4.16 ms
Random Read IOPS: ~80–100 IOPS (typical)
Random Write IOPS: ~80 IOPS (typical)
Cache Buffer: 256 MB (varies by OEM drive)

ENVIRONMENTAL & RELIABILITY:

Operating Temperature Range: 5 °C – 60 °C (41 °F – 140 °F)
Storage Temperature Range: -40 °C – 70 °C (-40 °F – 158 °F)
Operating Humidity: 5 – 90% non-condensing
Shock Resistance: 70 G (2 ms read/write), 300 G (non-operating)
Vibration Resistance: 0.5 G (5–500 Hz, operating)
Mean Time Between Failures (MTBF): 2 million hours
Workload Rate Limit: Up to 550 TB/year
Reliability Rating: Enterprise Nearline SAS

PHYSICAL:

Dimensions (W × D × H): 101.6 mm × 147 mm × 26.1 mm (3.5-inch LFF)
Weight: Approximately 720 g (1.6 lb)
Color: Silver / Black (standard Cisco drive carrier)