ST3320820SCE Seagate DB35 Series 320GB SATA Hard Drive

ST3320820SCE Specifications

Seagate DB35.3 Series 320GB 7200RPM SATA 3Gb/s 3.5-inch Internal Hard Drive

Manufacturer : Seagate
Manufacturer Model : ST3320820SCE
Product Line : DB35.3 Series
Product Series : DB35.3
Product Type : Internal Hard Drive
Product Name : Seagate DB35.3 320GB HDD

KEY FEATURES :
Storage Capacity : 320 GB
Interface Type : SATA II (3.0 Gbps)
Form Factor : 3.5‑inch
Spindle Speed : 7200 RPM
Cache : 8 MB
Average Seek Time : 8.9 ms
Recording Technology : Perpendicular Magnetic Recording (PMR)
Bytes per Sector : 512
Start/Stop Cycles : 300,000
MTBF : 600,000 hours
Annual Failure Rate (AFR) : 0.55%
Workload Rating : up to 550 TB/year
Load/Unload Cycles : 600,000
Shock Resistance (Operating) : 63 G (2 ms)
Shock Resistance (Non-Operating) : 300 G (2 ms)
RoHS Compliant : Yes

PERFORMANCE :
Sustained Transfer Rate : up to 190 MB/s
Maximum Data Transfer Rate : 300 MB/s
Interface Speed : 3 Gbps
Average Read Seek Time : 8.9 ms
Average Write Seek Time : 10 ms
Track-to-Track Read Seek Time : 0.8 ms
Track-to-Track Write Seek Time : 0.8 ms
Acoustic (Idle) : 2.8 Bels
Acoustic (Seek) : 3.0 Bels
Vibration (Operating) : 0.67 G (5–500 Hz)
Vibration (Non-Operating) : 0.67 G (5–500 Hz)

ENVIRONMENTAL :
Operating Temperature : 0 °C to 60 °C
Storage Temperature : ‑40 °C to 70 °C
Operating Humidity : 5% to 90% (Non-Condensing)
Storage Humidity : 5% to 90% (Non-Condensing)
Operating Altitude : ‑60.96 m to 3048 m
Non-Operating Altitude : ‑60.96 m to 12192 m
Operating Shock : 63 G (2 ms)
Non-Operating Shock : 300 G (2 ms)
Acoustic (Idle) : 2.8 Bels
Acoustic (Seek) : 3.0 Bels

PHYSICAL :
Dimensions (L×W×H) : 146.05 mm × 101.6 mm × 26.1 mm
Weight : 730 g