1 Hour DS Series The safe must maintain an interior temperature less than 125°F and an interior relative humidity less than 80% for class 125, when exposed to fire as per the Standard Time Temperature Curve for 1 hour to 1700°F. It must undergo all other requirements for the Fire Endurance Test, the Explosion Hazard Test, the Humidity Test, and the Fire and Impact Test. Basically, no explosion through 30 minutes to exposure to a 2000°F fire and immediate 30 foot drop test and a standard reheating for 30 minutes to 1550°F. UL Class 125 1-Hour Fire and Impact Rating Tested in Accordance With VDMA 24991 in Class S60DIS and EN1047-1 RAL9002 Light Gray Color DS1513-1LG: 297 lbs, 1.3 cubic feet capacity Internal Size: 14 3/5" Height 12 7/10" Width 12 7/10" Depth External Size: 25 1/2" Height 21 1/2" Width 22 2/5" Depth Interior Options: CS12-FS Fixed Shelf or CS12-CD Composite Drawer Type Capacity Total 3.5 Floppy 3 Drawers @ 264 each 792 3480 IBM 2 Drawers @ 26 each 52 4 mm DAT 3 Drawers @ 60 each 180 8 mm DAT 3 Drawers @ 56 each 168 CD ROM 2 Drawers @ 62 each 124 DLT 3 Drawers @ 18 each 54 PC100 ZIP 3 Drawers @ 60 each 180 DS1817-1LG: 429 lbs, 2.8 cubic feet capacity Internal Size: 17 4/5" Height 16 3/5" Width 17" Depth External Size: 28 3/5" Height 25 1/2" Width 26 3/5" Depth Interior Options: CS16-FS Fixed Shelf or CS16-CD Composite Drawer Type Capacity Total 3.5 Floppy 4 Drawers @ 480 each 1,920 3480 IBM 3 Drawers @ 45 each 135 4 mm DAT 4 Drawers @ 108 each 432 8 mm DAT 4 Drawers @ 95 each 380 CD ROM 3 Drawers @ 114 each 342 DLT 3 Drawers @ 39 each 117 ZIP PC100 4 Drawers @ 117 each 468