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HP 255 G2 Notebook PC - Specifications

Physical specifications

Specifications
Description
Dimensions (W x D x H)
  • Non-Touch: 378.4 x 259.2 x 28.1 mm (14.90 x 10.2 x 1.11 in)
  • Touch: 378.4 x 259.2 x 29.8 mm (14.90 x 10.2 x 1.17 in)
Weight
  • Starting at < 5.51 lb (2500 g) (Non-Touch) (Weight will vary by configuration)
  • Starting at < 6.17 lb (2800 g) (Touch) (Weight will vary by configuration)
Touch
378.4 x 259.2 x 29.8 mm (14.90 x 10.2 x 1.17 in)

Display specifications

14 inch LED HD (1366 x 768) Bright view
Specifications
Description
Active area (w x h)
12.16 x 6.85 in (30.9 x17.4 cm)
Diagonal size
35.6 cm (14.0 in)
Surface treatment
Bright view
Contrast ratio
300:1 (min)
Refresh rate
60 Hz
Brightness
200 nit (typical)
Pixel resolution
  • Pitch: 0.252 mm
  • Format: 1366 x 768
  • Configuration: RGB stripe
Backlight
LED
PPI
101 ppi
Viewing angle
±40° Horizontal, ±10°/-30°° Vertical (minimum) 40/40/30/10 (Left/Right/Down/Up)
15.6 inch LED HD anti-glare (1366 x 768)
Specifications
Description
Active area (w x h)
13.54 x 7.59 in (34.4 x 19.4 cm)
Diagonal size
39.6cm (15.6 in)
Surface treatment
Anti-glare
Contrast ratio
300:1 (min)
Refresh rate
60 Hz
Brightness
200 nit (typical)
Pixel resolution
  • Pitch: 0.252 mm
  • Format: 1366 x 768
  • Configuration: RGB stripe
Backlight
LED
PPI
101 ppi
Viewing angle
±40° horizontal, +10°/-30° vertical (minimum) 40/40/30/10 (Left/Right/Down/Up) (minimum

Storage and drive specifications

1TB 5400 rpm SATA hard drive
Specifications
Description
Drive weight
0.254 lb (115 g)
Capacity
1TB
Height
9.5 mm (0.37 in)
Width
70 mm (2.75 in)
Interface
ATA-8, SATA 2.6, 3.0Gb/s, NCQ
Transfer rate
Synchronous (maximum): 300MB/s (Drive capability)
Seek time (typical reads, including settling)
  • Single track: 3 ms
  • Average: 13 ms
  • Maximum: 24 ms
Rotational speed
5400 rpm
Logical blocks
1,953,525,168
Operating temperature
0° to 60°C (32° to 140°F)
Features
ATA security
750GB 5400 rpm SATA hard drive
Specifications
Description
Drive weight
0.22 lb (101 g)
Capacity
750GB
Height
9.5 mm (0.37 in)
Width
70 mm (2.75 in)
Interface
ATA-8, SATA 2.6, 3.0Gb/s, NCQ
Transfer rate
Synchronous (maximum): 300MB/s (Drive capability)
Seek Time (typical reads, including settling)
  • Single Track: 3 ms
  • Average: 13 ms
  • Maximum: 24 ms
Rotational speed
5400 rpm
Logical blocks
1,465,149,168
Operating temperature
0° to 60°C (32° to 140°F)
Features
ATA security
500GB 5400 rpm SATA hard drive
Specifications
Description
Drive weight
0.22 lb (101 g)
Capacity
500GB
Height
9.5 mm (0.37 in)
Width
70 mm (2.75 in)
Interface
ATA-8, SATA 2.6, 3.0Gb/s, NCQ
Transfer rate
Synchronous (maximum): 150MB/s (Drive capability)
Seek time (typical reads, including settling)
  • Single track: 3 ms
  • Average: 13 ms
  • Maximum: 24 ms
Rotational speed
5400 rpm
Logical blocks
976,773,168
Operating temperature
0° to 60°C (32° to 140°F)
Features
ATA security
320GB 5400 rpm SATA hard drive
Specifications
Description
Drive weight
0.22 lb (101 g)
Capacity
320GB
Height
9.5 mm (0.37 in)
Width
70 mm (2.75 in)
Interface
ATA-8, SATA 2.6, 3.0Gb/s, NCQ
Transfer rate
Synchronous (maximum): 150MB/s (Drive capability)
Seek time (typical reads, including settling)
  • Single Track: 3 ms
  • Average: 13 ms
  • Maximum: 24 ms
Rotational speed
5400 rpm
Logical blocks
625,142,448
Operating temperature
0° to 60°C (32° to 140°F)
Features
ATA security

Optical drives specifications

DVD+/-RW superMulti DL drive
Specifications
Description
Access times
Random
  • < 140 ms CD (typical)
  • < 160 ms DVD (typical)
Maximum data transfer rate
  • 24X CD-ROM
  • 8X DVD
  • 24X CD-R
  • 24X CD-RW
  • 8X DVD+RW
  • 8X DVD-R
  • 6X DVD-RW
  • 5X DVD-RAM
Transfer mode
UDMA mode 5
Interface
Gen 1 SATA
Supported media (read)
CD-DA, CD-TEXT, CD-ROM, CD-ROM XA, MIXED MODE CD, CD-I, CD-I Bridge (Photo-CD, Video CD), Multisession CD (Photo-CD, CDEXTRA, Portfolio, CD-R, CD-RW), CD-R, CD-RW, DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18), DVD-R, DVD-RW, DVD+R, DVD+RW, DVDRAM
Supported media (write)
CD-R, CD-RW, DVD+R, DVD+RW, DVD-R, DVD-RW, DVD-RAM, DVD+R DL, DVD-R DL
Maximum media capacity (read)
8.5GB
Maximum media capacity (write)
8.5GB
Transport
Tray loading

Audio/Multimedia specifications

Specifications
Description
Hardware
Implementation
Realtek ALC3201-GR high definition audio
Volume controls
Up, down, and mute function keys
Full cuplex
Yes
Microphone In
Stereo
Headphone/Line out
Stereo
Integrated microphone
Yes
Audio output quality
Frequency response
10 Hz - 22 KHz
Signal to noise ratio
Typical 95 dB FSA (DAC)
Total harmonic distortion
Typical -88 dB FS (DAC)
Noise floor
-110 dB
Play/Record sampling rate(s)
Up to 192 KHz
DAC
24 bits
ADC
24 bits
Integrated stereo speakers
Power rating
1.5 W
Impedance
4 ohms
Integrated HD webcam
  • Supports videoconferencing and still image capture
  • Improved quality for video streaming and still image capture (1280 x 720 resolution)
  • Up to 30 frames/sec
  • Fixed focus lens

Power specifications

HP 45 W Smart AC adapter
Specifications
Description
Dimensions
9.6 x 4.95 x 2.24 cm (3.78 x 1.95 x 0.88 in)
Input
  • 90 to 265 VAC
  • Input efficiency: 87% min at 115 VAC
  • Input frequency range: 47 to 63 Hz
  • Input AC current: 1.4 A at 90 VAC and maximum load
Output
  • Output power: 45 W
  • DC output: 19.5 V
  • Hold-up time: 5 msec at 115 VAC input
  • Output current limit: < 8A, Over voltage protection- 29 V max automatic shutdown
Connector
3 pin/grounded, mates with interchangeable cords
Environmental design
Operating temperature
0° to 35°C (32° to 95°F)
Non-operating (storage) temperature
-20° to 85°C (-4° to 121°F)
Altitude
0 to 5,000 m (0 to 16,405 ft)
Humidity
0% to 95%
Storage Humidity
0% to 95%
EMI and safety certifications
CE Mark - full compliance with LVD and EMC directives; Worldwide safety standards - IEC60950, EN60950, UL60950, Class1, SELV; Agency approvals - C-UL-US, NORDICS, DENAN, EN55022 Class B, FCC Class B, CISPR22 Class B, CCC, NOM-1 NYCE; Reliability - failure rate of less than 0.1% annually within the first three years of operation.
HP 65W AC Adapter
Specifications
Description
Dimensions
10.7 x 4.7 x 3.0 cm (4.21 x 1.85 x 1.18 in)
Weight
0.62 lb (280 g)
Input
  • 100 to 240 VAC
  • Input efficiency: 87% min at 115 VAC
  • Input frequency range: 47 to 63 Hz
  • Input AC current: 1.7 A at 90 VAC
Output
  • Output power: 65 W
  • DC output: 18.5/19.5 V
  • Hold-up time: 5 msec at 115 VAC input
  • Output current limit: < 11A, Over voltage protection- 29 V max automatic shutdown
Connector
3 pin/grounded, mates with interchangeable cords
Environmental design
Operating temperature
5° to 35°C (41° to 95°F)
Non-operating (storage) temperature
-20° to 85°C (-4° to 185°F)
Altitude
0 to 1,524 m (0 to 5,000 ft)
Humidity
20% to 95%
Storage humidity
10% to 95%
EMI and safety certifications
CE Mark - full compliance with LVD and EMC directives; Worldwide safety standards - IEC60950, EN60950, UL60950, Class1, SELV; Agency approvals - C-UL-US, NORDICS, DENAN, EN55022 Class B, FCC Class B, CISPR22 Class B, CCC, NOM-1 NYCE; MTBF - over 200,000 hours at 25°C ambient condition.
4-Cell (41 WHr) Lithium-Ion battery
Specifications
Description
Cells/Type
4-cell Lithium-Ion
Energy temperature
Watt-hour capacity
41 WHr
Operating (Charging)
0° to 45°C (32° to 113°F)
Operating (Discharging)
-10° to 60°C (14° to 140°F)
Non-operating
-20° to 60°C (-4° to 140°F)
Battery recharge time
System in Off or Standby mode
2.5 hours
System On
3 to 5 hours (depending on system power consumption)
HP 3-cell (31 WHr) Lithium-Ion primary battery
Specifications
Description
Dimensions (h x w x l)
2 x 3 x 20.5cm (0.8 x 1.2 x 8.1 in)
Weight
0.37lb (0.166kg)
Cells/Type
Lithium-Ion
Energy
Voltage
11.1 V
Amp-hour capacity
2.8 Ah
Watt-hour capacity
31 Wh
Temperature
Operating (Charging)
0° to 45°C (32° to 113°F)
Operating (Discharging)
-10° to 50°C (14° to 122°F)
Non-operating
-20° to 50° C (-4° to 122°F)
Battery recharge time
System in Off or Standby mode
2.5 hrs
System On
3 to 5 hrs
Fuel gauge LED
No
Warranty
1 year

Environmental specifications

Specifications
Description
Stand-alone power requirements (AC Power)
  • Nominal operating voltage: 18.5/19.5 V
  • Average operating power: Integrated graphics: 12.55 W AMD E-series platform
  • Maximum operating power: < 65 W
Operating:
Temperature
0° to 35°C (32° to 95°F) (not writing optical)
5° to 35°C (41° to 95°F) (writing optical)
Relative humidity
10% to 90%, non-condensing
Shock
40 G, 2 ms, half-sine
Random vibration
0.75 grms
Altitude (unpressurized)
-15.24 to 3,048 mt (-50 to 10,000 ft)
Non-operating:
Temperature
-20° to 60°C (-4° to 140°F)
Relative humidity
5% to 95%, 38.7°C (101.6°F) maximum wet bulb temperature
Shock
200 G, 2 ms, half-sine
Random vibration
1.50 grm
Altitude (unpressurized)
-15.24 to 12,192 m (-50 to 40,000 ft)

Safety certifications

Specifications
Description
Planned industry standard certifications
  • UL: Yes
  • CSA: Yes
  • FCC Compliance: Yes
  • ENERGY STAR: Select models
  • EPEAT: Registered Silver in United States
  • ICES: Yes
  • Australia / NZ A-Tick Compliance: Yes
  • CCC: Yes
  • Japan VCCI Compliance: Yes
  • KC: Yes
  • BSMI: Yes
  • CE Marking Compliance: Yes
  • BNCI or BELUS: Yes
  • CIT: Yes
  • GOST: Yes
  • Saudi Arabian Compliance (ICCP): Yes
  • SABS: Yes
  • UKRSERTCOMPUTER: Yes
Eco-label certifications & declarations
  • IT ECO declaration
  • US ENERGY STAR
  • EPEAT Silver registered in the United States.

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