ST640LM001 Seagate Momentus 640GB 5400RPM SATA Hard Drive

ST640LM001 Specifications

Seagate Momentus 640GB 5400RPM SATA 3Gb/s 8MB Cache 2.5-inch Internal Hard Drive

Manufacturer : Seagate
Manufacturer Model : ST640LM001
Product Line : Momentus
Product Series : 5400

Product Type : Internal Hard Drive
Product Name : Seagate Momentus 640GB HDD

KEY FEATURES :
Storage Capacity : 640 GB
Interface Type : SATA 3.0 Gbps
Form Factor : 2.5‑inch
Spindle Speed : 5400 RPM
Cache : 8 MB
Average Seek Time : 12 ms
Average Latency : ~5.6 ms
Recording Technology : Perpendicular Magnetic Recording (PMR)
Advanced Format : 512e (Emulated 4K sectors)

PERFORMANCE :
Sustained Transfer Rate : up to 145 MB/s
Interface Speed : 3 Gbps
Buffer to Host Max. Rate : 300 MB/s
Drive Ready Time : ~4 seconds
Average Seek Time : 12 ms
Acoustic (Idle) : 2.3 Bel
Acoustic (Seek) : 2.5 Bel

RELIABILITY / SECURITY :
MTTF : 500,000 hours
Workload Rating : up to 55 TB/year
Load/Unload Cycles : 600,000
Encryption : Not supported
ATA Features : NCQ, S.M.A.R.T., ATA Security Mode

ENVIRONMENTAL :
Operating Temperature : 5 °C to 55 °C
Storage Temperature : ‑40 °C to 70 °C
Operating Shock : 325 G (2 ms)
Non‑Operating Shock : 750 G (1 ms)
Power Consumption (Read/Write) : 2.2 W
Power Consumption (Idle) : 0.7 W
Startup Current : 1 A
Operating Vibration : 1.5 G
Non‑Operating Vibration : 3.0 G
Dimensions (L×W×H) : 100.3 mm × 69.8 mm × 9.5 mm
Weight : 107 g