HP ProBook

Last updated
HP ProBook
HP ProBook Logo (2016).svg
HP ProBook 6560b.png
2011's HP ProBook 6560b 15"
Developer
ManufacturerHP Inc.
Type Laptop
Release dateApril 28, 2009;16 years ago (2009-04-28)
Operating system Windows
CPU AMD APU, AMD Ryzen
Graphics AMD Radeon, NVIDIA GeForce, Intel HD
Marketing target Business purpose
Predecessor HP Compaq
(B and S series)
Related HP EliteBook

The HP ProBook is a line of laptop computers aimed towards businesses, originally produced by Hewlett-Packard and later by its successor, HP Inc., [1] with a list price lower than that of HP's higher-end EliteBook series. [2] At its introduction in 2009, HP sold both business-oriented desktops and laptops under the HP Compaq and HP ProBook brands respectively from 2009 to 2013.

Contents

History

S-Series (discontinued in 2012)

In April 2009, HP introduced the ProBook s-series (standard/essential) notebooks, which consisted of the Intel powered 4410s, 4510s, and 4710s (14", 15.6", and 17.3" screens, respectively) and the AMD powered 4415s and 4515s (14" and 15.6" screens, respectively). [1] [3] This was followed by the introduction of the 13.3" ProBook 4310s in June of the same year. [4]
The s-series was updated in 2010 with Intel Core i3, i5, and i7 processors, a brushed aluminium case, chiclet keyboard, and multitouch ClickPad. [5] Updates to the line in 2012 included a new exterior aluminium design. [6]

4x1xs

Model CPU Graphics RAM StorageScreenAudioBatteryOperating systemWeight (kg)
Size (in)Resolution (pixels)
ModelCoresGHzCache
ProBook 4310s [7] Intel Core 2 Duo T667022.2Intel Graphics Media Accelerator 4500MHD3 GB13.31366x768HD Audio2.06
ProBook 4311s [8] Intel Core 2 Duo P75702.26ATI Mobility Radeon HD 43302 GB1.97
ProBook 4410s [9] [10] Intel Core 2 Duo T65702.1142.27
ProBook 4411s [11] [12] Intel Core 2 Duo P737023 GB2.3
ProBook 4510s [13] Intel Core 2 Duo T65702.1Intel Graphics Media Accelerator 4500M2 GB15.62.48
ProBook 4710s [14] Intel Core 2 Duo P87002.53AMD Mobility Radeon HD 43303 GB17.31600x9003.08
ProBook 4415s [15] AMD Athlon II M3202.1ATI Radeon HD 42002 GB141366x7682.27
ProBook 4416s [16] AMD Turion X2 RM-742.2ATI Radeon HD 4330
ProBook 4515s [17] AMD Turion X2 Ultra ZM-862.4ATI Radeon HD 32003 GB15.62.6

4x2xs

Model CPU Graphics RAM StorageAudioScreenBatteryOperating systemWeight (kg)
ModelCoresGHzCacheSize (in)Resolution (pixels)
ProBook 4320s [18] [19] Intel Core i3-380M22.53Intel Graphics Media Accelerator HD3 GBADI High Definition13.31366 x 768Windows 7 Pro2.02
ProBook 4321s [20] [21] Intel Core i5-520M2.4ATI Mobility Radeon HD 45304 GB2.2
ProBook 4420s [22] Intel Core i3-370MIntel HM57 Express Chipset13.8
ProBook 4421s [23] Intel Core i7-620M2.6ATI Mobility Radeon HD 45302 GB14
ProBook 4520s [24] Intel Core i3-380M2.53Intel Graphics Media Accelerator HD3GB15.62.39
ProBook 4720s [25] Intel Graphics Media Accelerator HD17.31600 x 9002.97
ProBook 4325s [26] AMD V120 [27] 12.2ATI Mobility Radeon HD 42501 GB13.31366 x 7682.15
ProBook 4326s [28] [29] Intel Core i3-330M22.53Intel Graphics Media Accelerator HD4 GB2.02
ProBook 4425s [30] WZ223UT [31] AMD Phenom II X4 P92041.6ATI Mobility Radeon HD 4530142.3
ProBook 4525s [32] WT231EAAMD Athlon II P34022.2ATI Mobility Radeon HD 530v15.62.5

4x3xs

  • ProBook 4230s
  • ProBook 4330s
  • ProBook 4331s
  • ProBook 4430s
  • ProBook 4431s
  • ProBook 4520s
  • ProBook 4530s
  • ProBook 4730s
  • ProBook 4435s
  • ProBook 4436s
  • ProBook 4535s
Model CPU Graphics RAM StorageAudioScreenBatteryOperating systemWeight (kg)
ModelCoresGHzCacheSize (in)Resolution (pixels)
ProBook 4230s [33] [34] Intel Core i5-2430M22.4Intel HD Graphics 30004 GB12.11820 x 8001.6
ProBook 4330sIntel Core i3-2350M
ProBook 4331s
ProBook 4430s
ProBook 4431s
ProBook 4435s
ProBook 4436s
ProBook 4520s
ProBook 4530s
ProBook 4535s
ProBook 4730s

4x4xs

Two 2012's 4540s ProBooks 15" TOYAMA KIRARI database PC seats ac.jpg
Two 2012's 4540s ProBooks 15"
  • ProBook 4340s
  • ProBook 4341s
  • ProBook 4440s
  • ProBook 4441s
  • ProBook 4540s
  • ProBook 4740s
  • ProBook 4445s
  • ProBook 4446s
  • ProBook 4545s
Model CPU Graphics RAM StorageAudioScreenBatteryOperating systemWeight (kg)
ModelCoresGHzCacheSize (in)Resolution (pixels)
ProBook 4340sIntel Core i5-3230MSRS Premium Sound13.31366 x 7681,84
ProBook 4341sIntel Core i5-3210m22.5GHz3MB L3Radeon HD 7570M4GB500GBSRS Premium Sound13.31366 x 768Windows 8 Pro2,04
ProBook 4440s
ProBook 4441s
ProBook 4445s
ProBook 4446s
ProBook 4540s
ProBook 4545s
ProBook 4740s

B-Series (discontinued in 2012)

2012's HP ProBook 6570b 15" Grizzly Creek Fire - 8.23.20 e 01.jpg
2012's HP ProBook 6570b 15"

The ProBook B-series was announced on October 13, 2009, replacing the previous HP Compaq B-series with similar design in early models. All models still have a CD drive bay, docking port, pointstick options, screen latches, draining holes, easy-replaceable battery with additional slice options, TPM chip, socketed CPU, WLAN options and 2 RAM slots.

Two AMD powered models were announced in 2009 — the 14" ProBook 6445b and the 15.6" ProBook 6545b; [35] Their Intel powered counterparts were announced three months later as the 14" ProBook 6440b and the 15.6" ProBook 6540b.; [36] and the next-year upgrade is an AMD-powered 6455b and 6555b, and Intel-based 6450b and 6550b.
The B-series design was updated in 2011 with the Intel-powered 6460b and 6560b, and the AMD-powered 6465b and in 2012 with the Intel-powered 6470b and 6570b, and the AMD-powered 6475b. [6] The updated sibling EliteBook line had an additional magnesium frame under screen top lid, the keyboard LED-backlight, the aluminium bottom-cover, the 17" workstation version and the additional security options.

6x4xb

  • ProBook 6440b
  • ProBook 6540b
  • ProBook 6445b
  • ProBook 6545b

6x5xb

  • ProBook 6450b
  • ProBook 6550b
  • ProBook 6455b
  • ProBook 6555b

6x6xb

  • ProBook 6360b
  • ProBook 6460b
  • ProBook 6560b
  • ProBook 6465b
  • ProBook 6565b

6x7xb

  • ProBook 6470b
  • ProBook 6570b
  • ProBook 6475b
Model CPU Graphics RAM StorageAudioScreenBatteryOperating systemWeight (kg)
ModelCoresGHzCacheSize (in)Resolution (pixels)
ProBook 6360b
ProBook 6440bIntel Core i5/i7
ProBook 6445b

M-Series (discontinued in 2011)

2011's ProBook 5330m 13" Madrid - Trieditaton Glaming Madrid - 151017 123446.jpg
2011's ProBook 5330m 13"

HP launched the 5310m in September 2009 as a line of compact mid-range 12" and 13" ProBooks without CD-drive bay. The 5310m was enclosed by an aluminium and magnesium case, weighed under four pounds, and was less than an inch thick. [37] [38]
The M-series was updated in September 2010 with a 5320m, closely followed with the release of the 5330m in May 2011 which featured a dual-tone aluminium chassis and Beats Audio. [4]

5x1xm

  • ProBook 5310m

5x2xm

  • ProBook 5220m
  • ProBook 5320m

5x3xm

  • ProBook 5330m
Model CPU Graphics RAM StorageAudioScreenBatteryOperating systemWeight (kg)
ModelCoresGHzCacheSize (in)Resolution (pixels)
ProBook 5220mIntel Celeron U3400Intel HD Graphics
ProBook 5310m
ProBook 5320m
ProBook 5330m

G-Series

HP launched the G0 series in 2013. The computers are enclosed in an aluminium and magnesium case. The G1 series succeeded in 2014.

The first digit is a class of laptop (4## — entry, 6## — mid-class models), second digit is a display size (#3# for 13.3", #4# for 14.1", #5# for 15.6" and #7# for 17.3"). The third is an additional mark, like a ##5 for AMD-based model.

G0

These are the ProBooks that have been released in Generation 0.

Model CPU Graphics RAM (max)StorageAudioScreenBatteryOperating systemWeight (kg)
IntegratedDiscreteSize (in)Resolution (pixels)
ProBook 440 G0 [39] Intel Core 3rd GenIntel HD Graphics 4000 (3rd Generation Intel configurations)AMD Radeon HD 8750M16 GB141366 x 7681.97
Intel Pentium 2020MIntel HD Graphics (Celeron and Pentium configurations)
Intel Celeron 1000M
ProBook 450 G0 [40] Intel Core 3rd GenerationIntel HD Graphics 4000 (3rd Generation Intel configurations)15.62.4
Intel Pentium 2020MIntel HD Graphics (Celeron and Pentium configurations)
Intel Celeron 1000M
ProBook 470 G0 [41] Intel Core 3rd GenerationIntel HD Graphics 4000 (3rd Generation Intel configurations)17.33
Intel Pentium 2020MIntel HD Graphics (Celeron and Pentium configurations)
Intel Celeron 1000M

G1

This line has low-end siblings (15.6" HP 350 G1 [42] and 14.1" HP 340 G1). The 4## models is entry line. And 6## is a mid-range models with aluminum and magnesium case.

ProBook 640 G1 Klub Wikipedie Brno 3.5.2016 11.jpg
ProBook 640 G1
Model CPU Graphics RAM StorageAudioScreenBatteryOperating systemWeight (kg)
ModelCoresGHzCacheSize (in)Resolution (pixels)
ProBook x360 11 G1 EE [43] Intel Pentium N420041.1Intel HD Graphics 5004 GB256 GB SSD11.61366 x 768Non-Touch1.35
Touch1.45
ProBook 430 G1 [44] Intel Core i5-4200U21.6Intel HD Graphics 4400500 HDD13.31.6
ProBook 440 G1 [45] Intel Core i5-4200M2.5Intel HD Graphics 4600142.1
ProBook 445 G1 [46] AMD A6-5350M2.9AMD Radeon HD 8450G320 GB1.9
ProBook 450 G1 [47] Intel Core i5-4200M2.5Intel HD Graphics 4600500 GB15.62.3
ProBook 455 G1 [48] AMD A8-4500M41.9AMD Radeon HD 8750M720 GB
ProBook 470 G1 [49] Intel Core i5-4200M22.5500 GB or 1 TB17.31600 x 9002.87
ProBook 640 G1 [50] Intel HD Graphics 4600141366 x 7682
ProBook 645 G1 [51] AMD A6-4400M2.7AMD Radeon HD 7520G
ProBook 650 G1 [52] Intel Core i5-4200M2.5Intel HD Graphics 460015.62.32
ProBook 655 G1 [53] AMD A6 A6-4400M2.7AMD Radeon HD 7520G1920 x 1080
Pro x2 410 G1 [54] Intel Core i5-4202Y41.6Intel HD Graphics 4200256 GB SSD11.61366 x 7681.6
Pro x2 612 G1 [55] Intel Core i3-4012Y21.5128 GB HDD12.50.95

G2

These are the ProBooks that have been released in Generation 2.

Model [56] CPU RAM Graphics StorageAudioScreenBatteryOperating systemWeight (kg)
ModelCoresGHzCacheSize (in)Resolution (pixels)
ProBook x360 11 G2 EE [57] Intel Core M3-7Y30214 GBIntel HD Graphics 615128 GB SSD11.61366 x 7681.45
ProBook 430 G2 [58] Intel Core i5-4210U1.7Intel HD Graphics 440013.31.5
ProBook 440 G2 [59] Intel Core i5 5200U2.2Intel HD Graphics 5500500 HDD141.8
ProBook 445 G2 [60] AMD A10-730041.98 GBAMD Radeon R61000 HDD
ProBook 450 G2 [61] Intel Core i7-5500U22.4Intel HD Graphics 440015.62.1
ProBook 455 G2 [62] AMD A6 Pro-7050B2.24 GBAMD Radeon R4500 HDD2.23
ProBook 470 G2 [63] Intel Core i7-4510U28 GBIntel HD Graphics 4400750 HDD17.31920 x 10802.84
AMD Radeon R5 M255
ProBook 640 G2 [64] Intel Core i5-6300U2.4Intel HD Graphics 520256 GB SSD141.95
ProBook 645 G2 [65] AMD A6-8500B1.6AMD Radeon R5500 HDD1366 x 768
ProBook 650 G2 [66] Intel Core i5-6300U2.4Intel HD Graphics 52015.62.31
ProBook 655 G2 [67] AMD A6-8700B41.8AMD Radeon R6128 SSD1920 x 1080
Pro x2 410 G2 [68] Intel Core M3-7Y301Intel HD Graphics 615256 GB SSD12.11.2
Pro x2 612 G2 [69] Intel i5-7Y541.24 GB128 SSD

G3

These are the ProBooks that have been released in Generation 3.

Model CPU RAM Graphics StorageAudioScreenBatteryOperating systemWeight (kg)
ModelCoresGHzCacheSize (in)Resolution (pixels)
ProBook x360 11 G3 EE [70] Intel Pentium N500041.14 MB8 GBIntel HD Graphics 605128 GB SSDBuilt-in speakers and microphone11.61366 x 768Windows 101.45
ProBook 430 G3 [71] Intel Core i3-6200U22.33 MB4 GBIntel HD Graphics 520500 HDDBuilt-in stereo speakers13.32
ProBook 440 G3 [72] HD audio with DTS Studio Sound141920 x 10801.67
ProBook 446 G3
ProBook 450 G3 [73] Intel Core i5-6200U22.34 GBIntel HD Graphics 520500 HDD15.61920 x 10802.11
ProBook 455 G3 [74] AMD A10 8700P41.816 GBAMD Radeon R51000 HDD1366 x 7682.15
ProBook 470 G3 [75] Intel Core i7-6500U22.58 GBAMD Radeon R7 M34017.31920 x 10802.61
ProBook 640 G3 [76] Intel Core i5-7200UIntel HD Graphics 620500 HDD141366 x 7681.95
ProBook 645 G3 [77] AMD A10-8730B42.44 GBAMD Radeon R51920 x 1080
ProBook 650 G3 [78] Intel Core i5-7200U22.5Intel HD Graphics 62015.62.31
ProBook 655 G3 [79] AMD A10-8730B42.4AMD Radeon R52.4

G4

These are the ProBooks that have been released in Generation 4.

Model CPU Graphics RAM StorageAudioScreenBatteryOperating systemWeight (kg)
ModelCoresGHzCacheSize (in)Resolution (pixels)
ProBook x360 11 G4 EE [80] Intel Core M3-8100Y21.1Intel UHD Graphics 6158 GB256 GB SSD11.61366 x 7681.44
ProBook 430 G4 [81] Intel Core i7-7500U2.7Intel UHD Graphics 620256 GB SSD + 1000 HDD13.31920 x 10801.58
ProBook 440 G4 [82] 2.54 GB1000 HDD141366 x 7681.64
ProBook 450 G4 [83] 2.58 GB15.61920 x 10802.04
ProBook 455 G4 [84] AMD A6-92102.4AMD Radeon R515.62.08
ProBook 470 G4 [85] Intel Core i7-7500U2.7NVIDIA GeForce 930MX256 GB SSD17.32.77
Intel HD Graphics 620
ProBook 640 G4 [86] Intel Core i5-8250U41.6141.73
ProBook 645 G4 [87] AMD Ryzen 5 2500U2AMD Radeon RX Vega 8
ProBook 645 G4 Pakistan (?)
ProBook 650 G4 [88] Intel Core i5-8250U1.6Intel HD Graphics 62015.62.2

G5

These are the ProBooks that have been released in Generation 5.

Model CPU Graphics RAM StorageScreenAudioOperating systemWeight (kg)
ModelCoresGHzCacheSize (in)Resolution (pixels)
ProBook x360 11 G5 EE [89] Intel Pentium Silver N503041.1Intel UHD Graphics 6058 GB256 GB SSD11.61366 x 7681.43
ProBook 430 G5 [90] Intel Core i5-8250U1.6Intel UHD Graphics 62013.31920 x 10801.48
ProBook 440 G5 [91] 141366 x 7682
ProBook 450 G5 [92] Intel Core i5-8550U1.8NVIDIA GeForce 930MX15.61920 x 10802.1
Intel UHD Graphics 620
ProBook 455 G5 [93] A10-9620P2.5AMD Radeon R54 GB500 HDD15.61366 x 7682.02
ProBook 470 G5 [94] Intel Core i5-8250U1.6NVIDIA GeForce 930MX8 GB256 GB SSD17.31920 x 10802.5
ProBook 640 G5 [95] Intel Core i5-8265UIntel UHD Graphics 620141.73
ProBook 650 G5 [96] 15.62.18

G6

These are the ProBooks that have been released in Generation 6.

Model CPU Graphics RAM StorageScreenAudioOperating systemWeight (kg)
Size (in)Resolution (pixels)
ModelCoresGHzCache
ProBook x360 11 G6 EE [97] Intel Core i5-10210Y41Intel UHD Graphics8 GB256 SSD11.61366x7681.44
ProBook 430 G6 [98] Intel Core i5-8265U1.6Intel UHD Graphics 62013.31920x1080
ProBook 440 G6 [99] 1000 HDD141366x7681.6
ProBook 445 G6 [100] AMD Ryzen 5 2500U2AMD Radeon RX Vega 8256 SSD1920x1080
ProBook 445R G6 [101] AMD Ryzen 5 3500U2.1
ProBook 450 G6 [102] Intel Core i7-8565U1.8NVIDIA GeForce MX130512 SSD15.62
Intel UHD Graphics
ProBook 455R G6 [103] AMD Ryzen 5 3500U2.1AMD Radeon RX Vega 8256 SSD

G7

These are the ProBooks that have been released in Generation 7 (2020).

Model CPU Graphics RAM StorageScreenAudioOperating systemWeight (kg)
IntegratedDiscreteSize (in)Resolution (pixels)
ProBook x360 435 G7 13.3-inch 2-in-1 [104] 13.3
ProBook 430 G7
ProBook 440 G714
ProBook 445 G7
ProBook 450 G7Intel i#-10###UIntel UHD Graphics 6203215.6
ProBook 455 G7AMD Ryzen (Zen 2)AMD Radeon RX Vega321920 x 10802
ProBook 470 G7Intel i#-10###UIntel UHD Graphics 6201617.3

G8

These are the ProBooks that have been released in Generation 8.

Model CPU Graphics RAM StorageScreenAudioOperating systemWeight (kg)
IntegratedDiscreteSize (in)Resolution (pixels)
ProBook x360 435 G8
ProBook 430 G8
ProBook 440 G8Intel Core i7-1165G7 (up to 4.7 GHz with Intel Turbo Boost Technology, 12 MB L3 cache, 4 cores, 8 threads)Intel Iris Xe Graphics8141920x10801.38
ProBook

445 G8

AMD Ryzen 7 5800U (up to 4.4 GHz max boost clock, 16 MB L3 cache, 8 cores, 16 threads)RX Vega 88141366x7681.37
ProBook 450 G8Intel Core i#-11##G#Intel UHD/Xe8/64128 to 51215.61920x1080Windows 10 Pro1.74
ProBook 630 G8Intel Core i#-10###U
ProBook 635 Aero G8AMD Ryzen 5 5600U (up to 4.2 GHz max boost clock, 16 MB L3 cache, 6 cores, 12 threads)RX Vega813.31920x1080
ProBook 640 G8
ProBook 650 G8Intel Core i#-11##G#Intel UHD/XeNVIDIA GeForce MX4508/64256/51215.61920x1080Windows 10 Pro1.74

G9

These are the ProBooks that have been released in Generation 9.

Model CPU RAM Graphics StorageScreenAudioOperating systemWeight
Size (in)Resolution
ModelCoresGHzCache
HP ProBook 440 G9Intel Core i7-1255U103.516 GBIntel Iris Xe Graphics512 GB SSD141920 x 10801.36
ProBook 450 G9Intel Core i5-1235U3.38 GB15.61.74
ProBook 455 G9 AMD Ryzen 7 5825U8216 GBAMD Radeon Graphics
ProBook 650 G9Intel Core i3/i5/i7 12th gen8+ GBIntel Iris Xe Graphics128 to 256 GB SSD15.6Windows 11 Pro~1.74
ProBook x360 435 G9AMD Ryzen 5 5625U62.38 GB256 GB SSD13.31.45

G10

Model CPU Graphics RAM (max)StorageScreenAudioBatteryOperating systemWeight (kg)
IntegratedDiscreteSize (in)Resolution (pixels)
Pro x360 435 G10AMD RyzenAMD Radeon13.3Integrated microphone (Dual Array)Windows 111.45
ProBook 440 G10
ProBook 445 G10
ProBook 450 G1013th Gen Intel CoreIntel Iris Xe/UHDNVIDIA GeForce RTX 2050321.79
ProBook 455 G10AMD Ryzen #-7#30UAMD RadeonN/A321.77
ProBook 470 G1013th Gen Intel CoreIntel Iris XeNVIDIA GeForce MX550322.08

Timeline of releases

Hewlett-Packard ProBook Release Timeline
Screen sizeSeries2009201020112012201320142015201620172018201920202021
11.6"11 EEG1
12.1"s-series4230s
m-series5220m
13.3"s-series,
g-series		4310s/
4311s		4320s/
4321s 4325s/
4326s		4330s/
4331s		4340s/
4341s		430G1430G2430G3430G4430G5430G6430G7
m-series5310m5320m5330m
b-series6360b
14"s-series,
g-series		4410s/
4411s 4415s/
4416s		4420s/
4421s 4425s		4430s/
4431s 4435s/
4436s		4440s/
4441s 4445s/
4446s		440G0440G1
445G1		440G2
445G2		440G3440G4440G5440G6440G7440G8440G9
b-series6440b
6445b		6450b
6455b		6460b
6465b		6470b
6475b
g-series640G1
645G1		640G2
645G2
15.6"s-series,
g-series		4510s
4515s		4520s
4525s		4530s
4535s		4540s
4545s		450G0450G1
455G1		450G2
455G2		450G3
455G3		450G4
455G4		450G5450G6450G7
455G7		450G8
455G8
b-series6540b
6545b		6550b
6555b		6560b
6565b		6570b
g-series650G1
655G1		650G2
655G2		650G3
655G3		650G4650G5650G8
17.3"s-series4710s4720s4730s4740s470G0470G1470G2470G3470G4470G5470G6470G7470G8

See also

Competing laptop lines include:

References

  1. 1 2 Miller, Ross (April 2009). "HP unveils ProBook s-series laptops for the businessperson who needs a bit more power". Engadget. Retrieved 2 Jun 2011.
  2. ↑ Stern, Joanna (February 2011). "HP gets down to business with redesigned and refreshed EliteBook and ProBook laptops (hands-on)" . Retrieved 4 Jun 2011.
  3. ↑ Hewlett-Packard (April 2008). "Blending Business Chic with Affordability, HP Unveils HP ProBook Notebook PC Line". Palo Alto, California. Retrieved 2 Jun 2011.
  4. 1 2 Hewlett-Packard (June 24, 2009). "HP Expands ProBook Family of Notebooks" . Retrieved November 18, 2011.
  5. ↑ Stern, Joanna (March 2010). "HP spices up ProBooks with Core 2010 CPUs, ClickPads and caviar paint" . Retrieved 2 Jun 2011.
  6. 1 2 Wollman, Dana (May 8, 2012). "HP refreshes its ProBook laptops for small businesses" . Retrieved June 21, 2012.
  7. ↑ Hinum, Stefan. "HP ProBook 4310s". Notebookcheck. Retrieved 2023-04-19.
  8. ↑ "Specs Laptop - Notebook Computer: HP ProBook 4311s (2-2AV)". Specs Laptop - Notebook Computer. Retrieved 2023-04-19.
  9. ↑ "HP ProBook 4410s specifications". www.manuals.co.uk. Retrieved 2023-04-19.
  10. ↑ HP ProBook 4410s Quickspecs
  11. ↑ Hinum, Stefan. "HP ProBook 4411s". Notebookcheck. Retrieved 2023-04-19.
  12. ↑ "I for Inner Hardware : HP ProBook 4411s - Budget Business Class". www.hardwarezone.com.sg. Retrieved 2023-04-19.
  13. ↑ Hinum, Stefan. "HP ProBook 4510s". Notebookcheck. Retrieved 2023-04-19.
  14. ↑ "Icecat: open feed with product information, data-sheets for ecommerce". icecat.biz. Retrieved 2023-04-19.
  15. ↑ "HP Laptop ProBook AMD Athlon II Dual-Core M320 (2.1GHz) 2GB Memory 250GB HDD ATI Radeon HD 4200 14.0" Windows 7 Home Premium 32-bit 4415s(FN010UT#ABA) - Newegg.com". www.newegg.com. Retrieved 2023-04-19.
  16. ↑ "Icecat: open feed with product information, data-sheets for ecommerce". icecat.biz. Retrieved 2023-04-19.
  17. ↑ Hinum, Stefan. "HP ProBook 4515s". Notebookcheck. Retrieved 2023-04-19.
  18. ↑ "Icecat: open feed with product information, data-sheets for ecommerce". icecat.biz. Retrieved 2023-04-19.
  19. ↑ Hinum, Klaus. "Intel Core i3 380M Notebook Processor". Notebookcheck. Retrieved 2023-04-19.
  20. ↑ Hinum, Stefan. "HP Probook 4321s". Notebookcheck. Retrieved 2023-04-19.
  21. ↑ "Hp Probook 4321s-755TX ซีพียู Intel Core i5-480M / Radeon HD 6370M ราคาพร้อมสเปค". notebookspec.com (in Thai). Retrieved 2023-04-19.
  22. ↑ "Hp Probook 4420s (xu398pa) Price in India(19 April, 2023), Full Specifications & Reviews। hp Laptop". tech.hindustantimes.com. Retrieved 2023-04-19.
  23. ↑ "HP ProBook 4421s Laptop (Core i7 1st Gen/2 GB/500 GB/Windows 7/512 MB) in India, ProBook 4421s Laptop (Core i7 1st Gen/2 GB/500 GB/Windows 7/512 MB) specifications, features & reviews | 91mobiles.com". 91mobiles. Retrieved 2023-04-19.
  24. ↑ "Icecat: open feed with product information, data-sheets for ecommerce". icecat.biz. Retrieved 2023-04-19.
  25. ↑ "Icecat: open feed with product information, data-sheets for ecommerce". icecat.biz. Retrieved 2023-04-19.
  26. ↑ "HP ProBook 4325s". gadgetAZ.com. Retrieved 2023-04-19.
  27. ↑ "AMD V Series V120 - VMV120SGR12GM". www.cpu-world.com. Retrieved 2023-04-19.
  28. ↑ "Icecat: open feed with product information, data-sheets for ecommerce". icecat.biz. Retrieved 2023-04-19.
  29. ↑ "HP ProBook 4320s". gadgetAZ.com. Retrieved 2023-04-19.
  30. ↑ Hinum, Stefan. "HP ProBook 4425s". Notebookcheck. Retrieved 2023-04-19.
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