Table 11. 8x Optical Disk 9.5mm Drive DVD +/- R/W (continued)
Description Values
Disc capacity Standard Standard Standard
Internal buffer size 0.5 MB 0.5 MB 4 MB
Access time (typical) Supplier dependent Supplier dependent Supplier dependent
Maximum data transfer
rates
Writes 8x DVD/24x CD Not applicable 8x DVD/24x CD/ 6x BD
Reads 8x DVD/24x CD 8x DVD/24x CD 8x DVD/24x CD/ 6x BD
Power source
DC power requirement 5 V 5 V 5 V
DC current 1300 mA 1300 mA 1300 mA
Environmental
Operating Conditions
(Non-Condensing):
Operating Temperature
Range
5°C to 50°C 5°C to 50°C 5°C to 50°C
Relative Humidity Range 10% to 90% RH 10% to 90% RH 10% to 90% RH
Maximum Wet Bulb
Temperature
29°C 29°C 29°C
Altitude Range 0 m to 3048 m 0 m to 3048 m 0 m to 3048 m
Environmental Non-
Operating Conditions
(Non-Condensing):
Operating Temperature
Range
-40°C to 65°C -40°C to 65°C -40°C to 65°C
Relative Humidity Range 5% to 95% RH 5% to 95% RH 5% to 95% RH
Maximum Wet Bulb
Temperature
38°C 38°C 38°C
Altitude Range 0 m to 10600 m 0 m to 10600 m 0 m to 10600 m
Media-card reader
Table 12. Media-card reader specifications
Description Values
Type
SD 4.0 Media card reader, Push-Pull Type with WORM
support (Optional)
Cards supported
● SDHC
● SDXC
Specifications of Precision 3640 Tower 19