I bought these two new drives a number of years ago (for yet another project I never got around to 😀), and they have never even been removed from their clamshells!
Hard Disk Model SAMSUNG HD155UIDisk Family SpinPoint F4EGForm Factor 3.5"Capacity 1500 GB (1500 x 1 000 000 000 bytes)Number Of Disks 3 Number Of Heads 5Rotational Speed 5400 RPMRotation Time 11.11 msAverage Rotational Latency 5.56 msDisk Interface Serial-ATA/300Buffer-Host Max. Rate 300 MB/secondsBuffer Size 32768 KBDrive Ready Time (typical) 13 secondsAverage Seek Time 8.9 msWidth 101.6 mm (4.00 inch)Depth 147.0 mm (5.79 inch)Height 26.1 mm (1.03 inch)Weight 650 grams (1.43 pounds)Acoustic (Idle) 2.7 BelAcoustic (Min performance and volume) 2.8 BelAcoustic (Max performance and volume) 2.8 BelRequired Power For Spinup 2250 mAPower Required (Seek) 9.5 WPower Required (Idle) 7.7 WPower Required (Standby) 0.90 W