![background image](http://html.mh-extra.com/html/promise-technology/vessjbod-1000-series/vessjbod-1000-series_product-manual_1617256009.webp)
Chapter 1: Introduction to VessJBOD
5
Temperature
Normal conditions:
5° to 40°C operational (-40° to 60°C non-operational)
Conditions of running SAS disk drives with one failed cooling fan:
5° to 35°C operational (-40° to 60°C non-operational)
Relative Humidity
95 percent maximum
Vibration
Random, 0.21 grms, 5-500 Hz, 30 Mins, X, Y, Z axis.
Dimensions (H x W x D)
1840+, 1840, 1740: 13 x 45 x 46 cm (5.1 x 17.7 x 18.1 in)
1830+, 1830, 1730: 8.8 x 45 x 46 cm (3.5 x 17.7 x 18.1 in)
Net Weight
1840+: 16.6 kg (36.1 lb) without drives, 24.6 kg (53.5 lb) with 16 drives*
1840: 15.8 kg (34.8 lb) without drives, 23.8 kg (52.5 lb) with 16 drives*
1830+: 13.4 kg (29.2 lb) without drives, 19.4 kg (42.3 lb) with 12 drives*
1830: 12.6 kg (27.8 lb) without drives, 18.6 kg (41.0 lb) with 12 drives*
1740: 13.8 kg (30.4 lb) without drives, 21.8 kg (48.1 lb) with 16 drives*
1730: 10.8 kg (23.5 lb) without drives, 16.8 kg (37.1 lb) with 12 drives*
* Assuming 0.5 kg (1.1 lb) per drive.
Carton Dimensions (H x W x D)
All models: 28.5 x 57.2 x 75.2 cm (11.2 x 22.5 x 29.6 in)
Carton Weight
1840+: 21.6 kg (47.6 lb)
1840: 20.8 kg (45.9 lb)
1830+: 18.8 kg (41.4 lb)
1830: 18.0 kg (38.8 lb)
1740: 19.2 kg (42.3 lb)
1730: 16.2 kg (35.7 lb)