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M.2 2230, 256 GB, PCIe NVMe Gen4 x4, Opal Self-Encrypting,
Class 35 SSD
The following table lists the M.2 2230, 256 GB SSD specifications.
Table 45. 256 GB SSD, self-encrypting drive specifications
Capacity
Height (approximate)
Width (approximate)
Depth (approximate)
Interface type
Speed (maximum)
MTBF
Logical blocks
Power source
Power consumption (reference only)
Environmental operating conditions (non-condensing)
Temperature range
Relative humidity range
Op shock
Environmental non-operating conditions (non-condensing)
Temperature range
Relative humidity range
Power adapter
The following table lists the power adapter specifications of your Latitude 5440.
Table 46. Power adapter specifications
Description
Option one
Type
60 W adapter, USB-C
Power-adapter dimensions:
Height
22 mm (0.86 in.)
Width
55 mm (2.16 in.)
Depth
66 mm (2.59 in.)
Input voltage
100 VAC–240 VAC
Input frequency
50 Hz–60 Hz
Input current
1.70 A
(maximum)
40
Engineering specifications
256 GB
2.38 mm (0.09 in.)
22.00 mm (0.87 in.)
30.00 mm (1.18 in.)
PCIe Gen4
64 Gb/s (up to 4 lanes)
1.4M hours
500,118,192
● Idle: 5 mW (PS4)
● Active: 4 W
0°C to 70°C
10% to 90%
1500G
-40°C to 70°C
5% to 95%
Option two
60 W adapter, USB-C,
2-pin
22 mm (0.86 in.)
55 mm (2.16 in.)
66 mm (2.59 in.)
100 VAC–240 VAC
50 Hz–60 Hz
1.70 A
Option three
65 W adapter, USB-C
28 mm (1.10 in.)
51 mm (2.01 in.)
112 mm (4.41 in.)
100 VAC–240 VAC
50 Hz–60 Hz
1.70 A
Option four
100 W adapter, USB-C
26.50 (1.04 in.)
60 mm (2.36 in.)
122 mm (4.80 in.)
100 VAC–240 VAC
50 Hz–60 Hz
1.70 A
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