Herní notebooky, Strana 3
Nejprodávanější
159 položek celkem
ASUS TUF Gaming F16 FX607JV-QT115W Jaeger Gray (FX607JV-QT115W)
Herní notebook - Intel Core i7 13650HX Raptor Lake, 16" IPS matný 2560 × 1600 165Hz, RAM 16GB DDR5, NVIDIA GeForce RTX 4060 8GB 130 W (MUX Switch), SSD 1000GB, numerická klávesnice, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 1, Windows 11 Home
39 033 Kč
(32 259 Kč bez DPH)
Lenovo Legion Slim 5 16AHP9 Luna Grey (83DH0020CK) (83DH0020CK)
Herní notebook 16" WQXGA (2560x1600) IPS 350nits, antireflex, 165Hz, 100% sRGB, procesor AMD Ryzen 7 8845HS, 32GB (2x16) SO-DIMM DDR5-5600, 1TB SSD M.2 2280 PCIe 4.0x4 NVMe, NVIDIA GeForce RTX 4060 8GB GDDR6, Windows 11 Home
39 161 Kč
(32 364 Kč bez DPH)
ACER Nitro 5 (AN517-55-97XY) (NH.QLFEC.002) (NH.QLFEC.002)
notebook, Intel Core i9-12900Hz, 32GB (2x16) DDR5, 1TB NVMe SSD, 17,3" 2560x1440@165Hz antiref. IPS 100% DCI-P3, RTX 4060 8GB, wlan, glan, BT, kamera, 1xUSB 3.2 Gen1, 2xUSB 3.2 Gen2, 1xUSB-C (TB4), HDMI, 3kg, Win 11 Home
39 582 Kč
(32 712 Kč bez DPH)
Lenovo Legion Slim 5 16AHP9 Luna Grey (83DH001VCK) (83DH001VCK)
Herní notebook 16" WQXGA (2560x1600) IPS 350nits, antireflex, 165Hz, 100% sRGB, procesor AMD Ryzen 7 8845HS, 16GB (2x8) SO-DIMM DDR5-5600, 1TB SSD M.2 2280 PCIe 4.0x4 NVMe, NVIDIA GeForce RTX 4070 8GB GDDR6, bez OS
39 945 Kč
(33 012 Kč bez DPH)
Lenovo Legion Slim 5 14APH8 Storm Grey (82Y5002HCK) (82Y5002HCK)
Herní notebook 14.5" WQXGA+ (2880x1800) OLED 400nits, lesklý, 120Hz, 100% DCI-P3, procesor AMD Ryzen 7 7840HS, 32GB LPDDR5x-6400, 1TB SSD M.2 2280 PCIe 4.0x4 NVMe, NVIDIA GeForce RTX 4060 8GB GDDR6, Windows 11 Home
41 061 Kč
(33 935 Kč bez DPH)
ASUS ROG Strix G16 G614JVR-N4005W Eclipse Gray kovový (G614JVR-N4005W)
Herní notebook - Intel Core i9 14900HX Raptor Lake Refresh, 16" IPS matný 2560 × 1600 240Hz, RAM 32GB DDR5, NVIDIA GeForce RTX 4060 8GB 140 W (MUX Switch), SSD 1000GB, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 2, USB-C, WiFi 6E, Windows 11 Home
42 199 Kč
(34 875 Kč bez DPH)
ASUS ROG Strix G17 G713PV-LL045W Eclipse Gray (G713PV-LL045W)
Herní notebook - AMD Ryzen 9 7845HX, 17.3" IPS antireflexní 2560 × 1440 240Hz, RAM 32GB DDR5, NVIDIA GeForce RTX 4060 8GB 140 W (MUX Switch), SSD 1000GB, numerická klávesnice, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 1, USB-C, Windows 11 Home
42 199 Kč
(34 875 Kč bez DPH)
Acer Predator Helios Neo 16 (PHN16-72-99BP) (NH.QNNEC.00B) (NH.QNNEC.00B)
notebook, Intel Core i9-14900HX, 32GB (2x16) DDR5, 1TB PCIe NVMe SSD, 16" 2560x1600@240Hz IPS antireflex, graf. RTX 4060 8GB, Thunderbolt 4, 2.8kg, Windows 11 Home
42 737 Kč
(35 320 Kč bez DPH)
ASUS TUF Gaming A16 FA608WV-QT015W Jaeger Gray kovový (FA608WV-QT015W)
Herní notebook - AMD Ryzen AI 9 HX 370, 16" IPS antireflexní 2560 × 1600 165Hz, RAM 32GB LPDDR5x, NVIDIA GeForce RTX 4060 8GB 115 W (MUX Switch), SSD 1000GB, numerická klávesnice, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 2, USB-C, Windows 11 Home
43 782 Kč
(36 183 Kč bez DPH)
Lenovo Legion 7 Eclipse Black 16IRX9 (83FD002UCK) (83FD002UCK)
Herní notebook 16" 3.2K (3200x2000) IPS 430nits, matný, 165Hz, 100% DCI-P3, G-Sync, Intel Core i7-14700HX, 16GB (2x8) SO-DIMM DDR5-5600, 1TB SSD M.2 2280 PCIe 4.0x4 NVMe, GeForce RTX 4060 8GB GDDR6, bez OS
44 061 Kč
(36 414 Kč bez DPH)
Lenovo Legion Pro 5 Onyx Grey 16IRX9 (83DF0031CK) (83DF0031CK)
Herní notebook 16" WQXGA (2560x1600) IPS 300nits, antireflex, 165Hz, G-Sync, procesor Intel Core i7-14700HX, 32GB (2x16) DDR5-5600, 1TB SSD M.2 2280 PCIe 4.0x4 NVMe, NVIDIA GeForce RTX 4070 8GB GDDR6, 2.5kg, bez OS
44 061 Kč
(36 414 Kč bez DPH)
Lenovo Legion 5 Luna Grey 16IRX9 (83DG0049CK) (83DG0049CK)
Herní notebook 16" WQXGA (2560x1600) IPS 500nits, antireflex, 240Hz, G-Sync, procesor Intel Core i7-14650HX, 32GB (2x16) DDR5-5600, 1TB SSD M.2 2280 PCIe 4.0x4 NVMe, NVIDIA GeForce RTX 4070 8GB GDDR6, 2.3kg, bez OS
44 105 Kč
(36 450 Kč bez DPH)
ASUS ROG Strix G16 G614JI-N4081W Eclipse Gray kovový (G614JI-N4081W)
Herní notebook - Intel Core i7 13650HX Raptor Lake, 16" IPS matný 2560 × 1600 240Hz, RAM 32GB DDR5, NVIDIA GeForce RTX 4070 8GB 140 W (MUX Switch), SSD 1000GB, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 2, USB-C, WiFi 6E, WiFi, Windows 11 Home
44 310 Kč
(36 620 Kč bez DPH)
ASUS TUF Gaming F17 FX707VI-LL050W Mecha Gray kovový (FX707VI-LL050W)
Herní notebook - Intel Core i7 13620H Raptor Lake, 17.3" IPS matný 2560 × 1440 240Hz, RAM 32GB DDR5, NVIDIA GeForce RTX 4070 8GB 140 W, SSD 1000GB, numerická klávesnice, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 1, USB-C, Windows 11 Home
45 365 Kč
(37 492 Kč bez DPH)
Acer Predator Helios Neo 18 (PHN18-71-938T) (NH.QNREC.008) (NH.QNREC.008)
notebook, Intel Core i9-14900HX, 32GB (2x16) DDR5, 1TB PCIe NVMe SSD, 18" 2560x1600@165Hz IPS antireflex, graf. RTX 4060 8GB, 90Wh aku, 3,4kg, Windows 11 Home
45 522 Kč
(37 621 Kč bez DPH)
HP OMEN Transcend/16-u0051nc/i7-13700HX/16"/2560x1600/32GB/1TB SSD/RTX 4070/DOS/Black/2R (8E9Z9EA)
Notebook HP OMEN Transcend 16-u0051nc,Intel Core i7-13700HX,16",2560x1600,32GB,1TB SSD,RTX 4070,BezOS,Black,2R
46 436 Kč
(38 377 Kč bez DPH)
ASUS ROG Strix G18 G814JVR-N6015W Eclipse Gray kovový (G814JVR-N6015W)
Herní notebook - Intel Core i9 14900HX Raptor Lake Refresh, 18" IPS antireflexní 2560 × 1600 240Hz, RAM 32GB DDR5, NVIDIA GeForce RTX 4060 8GB 140 W (MUX Switch), SSD 1000GB, numerická klávesnice, podsvícená RGB klávesnice, webkamera, Windows 11 Home
46 842 Kč
(38 712 Kč bez DPH)
MSI Katana 17 B13VGK-885CZ (Katana 17 B13VGK-885CZ)
herní notebook, Intel Core i9-13900H, 17,3" QHD, 32GB DDR5, 1TB SSD, GeForce RTX 4070, Windows 11 Home
46 924 Kč
(38 780 Kč bez DPH)
MSI Katana A17 AI B8VG-886XCZ (9S7-17LN31-886)
herní notebook, AMD R9-8945HS/17,3"/QHD/32GB/1TB SSD/RTX 4070/bez OS - DOS, Black
46 948 Kč
(38 800 Kč bez DPH)
Lenovo Legion Slim 5 16AHP9 Luna Grey (83DH0028CK) (83DH0028CK)
Herní notebook 16" WQXGA (2560x1600) IPS 500nits, antireflex, 240Hz, 100% sRGB, procesor AMD Ryzen 7 8845HS, 32GB (2x16) SO-DIMM DDR5-5600, 1TB SSD M.2 2280 PCIe 4.0x4 NVMe, NVIDIA GeForce RTX 4070 8GB GDDR6, Windows 11 Home
47 992 Kč
(39 663 Kč bez DPH)
ASUS ROG Zephyrus G16 GU603VV-NEBULA078W Eclipse Gray kovový (GU603VV-NEBULA078W)
Herní notebook - Intel Core i7 13620H Raptor Lake, 16" IPS matný 2560 × 1600 240Hz, RAM 32GB DDR4, NVIDIA GeForce RTX 4060 8GB 120 W (MUX Switch), SSD 1000GB, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 2, USB-C, WiFi 6E, WiFi, Windows 11 Home
48 531 Kč
(40 108 Kč bez DPH)
Lenovo Legion Pro 5 Onyx Grey 16IRX9 (83DF0030CK) (83DF0030CK)
Herní notebook 16" WQXGA (2560x1600) IPS 500nits, antireflex, 240Hz, G-Sync, procesor Intel Core i7-14700HX, 32GB (2x16) SO-DIMM DDR5-5600, 1TB SSD M.2 2280 PCIe 4.0x4 NVMe, NVIDIA GeForce RTX 4070 8GB GDDR6, 2.5kg, Windows 11 Home
48 776 Kč
(40 311 Kč bez DPH)
ASUS TUF Gaming A14 FA401WV-RG046X Jaeger Gray kovový (FA401WV-RG046X)
Herní notebook - AMD Ryzen AI 9 HX 370, 14" IPS matný 2560 × 1600 165Hz, RAM 32GB LPDDR5x, NVIDIA GeForce RTX 4060 8GB 115 W (MUX Switch), SSD 1000GB, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 2, USB-C, WiFi 6E, WiFi, Bluetooth, Windows 11 Pro
49 269 Kč
(40 718 Kč bez DPH)
Lenovo Legion 5 Luna Grey 16IRX9 (83DG0048CK) (83DG0048CK)
Herní notebook 16" WQXGA (2560x1600) IPS 500nits, antireflex, 240Hz, G-Sync, procesor Intel Core i9-14900HX, 32GB (2x16) DDR5-5600, 1TB SSD M.2 2280 PCIe 4.0x4 NVMe, NVIDIA GeForce RTX 4070 8GB GDDR6, 2.3kg, Windows 11 Home
49 271 Kč
(40 720 Kč bez DPH)
ASUS ROG Flow Z13 GZ301VU-NEBULA026X Black kovový (GZ301VU-NEBULA026X)
Herní notebook - Intel Core i9 13900H Raptor Lake, dotykový 13.4" IPS lesklý 2560 × 1600 165Hz, RAM 16GB LPDDR5, NVIDIA GeForce RTX 4050 6GB 65 W (MUX Switch), SSD 1000GB, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 1, USB-C, WiFi 6E, Windows 11 Pro
49 586 Kč
(40 980 Kč bez DPH)
Acer Predator Triton Neo 16 Sparkly silver (PTN16-51-95EP) (NH.QPNEC.002) (NH.QPNEC.002)
notebook, Intel Core Ultra 9 185H, 32GB LPDDR5X, 1TB PCIe NVMe SSD, 16" 2560x1600@240Hz IPS antireflex, graf. RTX 4060 8GB, Thunderbolt 4, 2.05kg, Windows 11 Professional
50 275 Kč
(41 550 Kč bez DPH)
HP Victus 16-r1002nc (A85Z1EA) (A85Z1EA)
Notebook HP Victus 16-r1002nc 16,1"QHD,Intel Core i7-14700HX,32GB,1TB SSD,RTX 4070,Windows 11 Home,Blue
51 597 Kč
(42 642 Kč bez DPH)
ASUS ROG Strix G17 G713PI-LL044W Eclipse Gray kovový (G713PI-LL044W)
Herní notebook - AMD Ryzen 9 7845HX, 17.3" IPS antireflexní 2560 × 1440 240Hz, RAM 32GB DDR5, NVIDIA GeForce RTX 4070 8GB 140 W (MUX Switch), SSD 1000GB, numerická klávesnice, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 1, USB-C, Windows 11 Home
51 692 Kč
(42 721 Kč bez DPH)
Lenovo Legion Pro 5 Onyx Grey 16IRX9 (83DF002YCK) (83DF002YCK)
Herní notebook 16" WQXGA (2560x1600) IPS 500nits, antireflex, 240Hz, G-Sync, procesor Intel Core i9-14900HX, 32GB (2x16) SO-DIMM DDR5-5600, 1TB SSD M.2 2280 PCIe 4.0x4 NVMe, NVIDIA GeForce RTX 4070 8GB GDDR6, 2.5kg, Windows 11 Home
51 875 Kč
(42 872 Kč bez DPH)
Lenovo Legion 7 16IRX9 Glacier White (83FD0061CK) (83FD0061CK)
Herní notebook 16" 3.2K (3200x2000) IPS 430nits, matný, 165Hz, 100% DCI-P3, G-Sync, Intel Core i9-14900HX, 32GB (2x16) SO-DIMM DDR5-5600, 1TB SSD M.2 2280 PCIe 4.0x4 NVMe, GeForce RTX 4060 8GB GDDR6, Thunderbolt 4, Windows 11 Home
52 049 Kč
(43 016 Kč bez DPH)
Acer Predator Helios Neo 16 (PHN16-72-99B6) (NH.QNMEC.006) (NH.QNMEC.006)
notebook, Intel Core i9-14900HX, 32GB (2x16) DDR5, 1TB PCIe NVMe SSD, 16" 2560x1600@240Hz IPS antireflex, graf. RTX 4070 8GB, Thunderbolt 4, 2.8kg, Windows 11 Home
52 253 Kč
(43 184 Kč bez DPH)
GIGABYTE AORUS 16X ASG 2024 (AORUS 16X ASG-63CZC64SH)
herní notebook, Intel Core i9-14900HX, 16" 2560x1600, 32GB DDR5, 1TB SSD, GeForce RTX 4070, W11 Home
52 288 Kč
(43 213 Kč bez DPH)
ASUS ROG Zephyrus G16 GU603VI-NEBULA035W Eclipse Gray kovový (GU603VI-NEBULA035W)
Herní notebook - Intel Core i9 13900H Raptor Lake, 16" IPS matný 2560 × 1600 240Hz, RAM 32GB DDR4, NVIDIA GeForce RTX 4070 8GB 120 W, SSD 2000GB, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 2, USB-C, WiFi 6E, WiFi, Bluetooth, Windows 11 Home
52 541 Kč
(43 422 Kč bez DPH)
ASUS ROG Flow X13 Off Black celokovový (GV302XV-NEBULA008W)
Herní notebook - AMD Ryzen 9 7940HS, dotykový 13.4" IPS lesklý 2560 × 1600 165Hz, RAM 16GB LPDDR5, NVIDIA GeForce RTX 4060 8GB 60 W (MUX Switch), SSD 1000GB, podsvícená klávesnice,Windows 11 Home
53 807 Kč
(44 469 Kč bez DPH)
Acer Predator Helios Neo 18 (PHN18-71-913Y) (NH.QNQEC.005) (NH.QNQEC.005)
notebook, Intel Core i9-14900HX, 32GB (2x16) DDR5, 1TB PCIe NVMe SSD, 18" 2560x1600@240Hz IPS antireflex, graf. RTX 4070 8GB, 90Wh aku, 3,4kg, Windows 11 Home
55 400 Kč
(45 785 Kč bez DPH)
ASUS ROG Strix G16 G614JIR-N4002W Eclipse Gray kovový (G614JIR-N4002W)
Herní notebook - Intel Core i9 14900HX Raptor Lake Refresh, 16" IPS matný 2560 × 1600 240Hz, RAM 32GB DDR5, NVIDIA GeForce RTX 4070 8GB 140 W (MUX Switch), SSD 1000GB, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 2, USB-C, WiFi 6E, Windows 11 Home
58 028 Kč
(47 957 Kč bez DPH)
ASUS ROG Flow X16 GV601VV-NEBULA062X Off Black (GV601VV-NEBULA062X)
Herní notebook - Intel Core i9 13900H Raptor Lake, dotykový 16" Mini LED lesklý 2560 × 1600 240Hz, RAM 16GB DDR5, NVIDIA GeForce RTX 4060 8GB 120 W, SSD 1000GB, podsvícená klávesnice, webkamera, Windows 11 Pro
59 083 Kč
(48 829 Kč bez DPH)
Acer Predator Triton Neo 16 Sparkly silver (PTN16-51-984P) (NH.QPPEC.002) (NH.QPPEC.002)
notebook, Intel Core Ultra 9 185H, 32GB LPDDR5X, 1TB PCIe NVMe SSD, 16" 3200x2000@165Hz IPS antireflex 430nits, graf. RTX 4070 8GB, Thunderbolt 4, 2.05kg, Windows 11 Professional
59 930 Kč
(49 529 Kč bez DPH)
Lenovo Legion 7 Glacier White 16IRX9 (83FD0060CK) (83FD0060CK)
Herní notebook 16" 3.2K (3200x2000) IPS 430nits, matný, 165Hz, 100% DCI-P3, G-Sync, Intel Core i9-14900HX, 32GB (2x16) SO-DIMM DDR5-5600, 1TB SSD M.2 2280 PCIe 4.0x4 NVMe, GeForce RTX 4070 8GB GDDR6, Windows 11 Home
60 602 Kč
(50 084 Kč bez DPH)
MSI Vector 16 HX A14VHG-680XCZ (9S7-15M142-680)
notebook, Intel Core i9-14900HX/16"/2560x1600/32GB/1TB SSD/RTX 4080/DOS/Gray/2R
60 837 Kč
(50 279 Kč bez DPH)
ASUS ROG Zephyrus G14 GA403UV-NEBULA038W Eclipse Gray celokovový (GA403UV-NEBULA038W)
Herní notebook - AMD Ryzen 9 8945HS, 14" OLED matný 2880 × 1800 120Hz, RAM 32GB LPDDR5x, NVIDIA GeForce RTX 4060 8GB 90 W (MUX Switch), SSD 1000GB, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 2, USB-C, WiFi 6E, WiFi, Bluetooth, Windows 11 Home
61 186 Kč
(50 567 Kč bez DPH)
ASUS ROG Zephyrus G14 GA403UV-NEBULA021W Platinum White celokovový (GA403UV-NEBULA021W)
Herní notebook - AMD Ryzen 9 8945HS, 14" OLED lesklý 2880 × 1800 120Hz, RAM 32GB LPDDR5x, NVIDIA GeForce RTX 4060 8GB 90 W (MUX Switch), SSD 1000GB, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 2, USB-C, WiFi 6E, WiFi, Bluetooth, Windows 11 Home
61 194 Kč
(50 574 Kč bez DPH)
Lenovo Legion 7 Eclipse Black 16IRX9 (83FD000TCK) (83FD000TCK)
Herní notebook 16" 3.2K (3200x2000) IPS 430nits, matný, 165Hz, 100% DCI-P3, G-Sync, Intel Core i9-14900HX, 32GB (2x16) SO-DIMM DDR5-5600, 1TB SSD M.2 2280 PCIe 4.0x4 NVMe, GeForce RTX 4070 8GB GDDR6, Windows 11 Pro
61 461 Kč
(50 794 Kč bez DPH)
ASUS ROG Zephyrus G14 GA403UI-NEBULA024W Eclipse Gray celokovový (GA403UI-NEBULA024W)
Herní notebook - AMD Ryzen 9 8945HS, 14" OLED matný 2880 × 1800 120Hz, RAM 32GB LPDDR5x, NVIDIA GeForce RTX 4070 8GB 90 W (MUX Switch), SSD 1000GB, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 2, USB-C, WiFi 6E, WiFi, Bluetooth, Windows 11 Home
67 525 Kč
(55 806 Kč bez DPH)
ASUS ROG Zephyrus G16 GU605MI-NEBULA271W Eclipse Gray celokovový (GU605MI-NEBULA271W)
Herní notebook - Intel Core Ultra 7 155H, 16" OLED lesklý 2560 × 1600 240Hz, RAM 32GB LPDDR5x, NVIDIA GeForce RTX 4070 8GB 105 W (MUX Switch), SSD 1000GB, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 2, USB-C,Windows 11 Home
67 525 Kč
(55 806 Kč bez DPH)
ASUS ROG Flow X16 GV601VI-NEBULA034X Off Black celokovový (GV601VI-NEBULA034X)
Herní notebook - Intel Core i9 13900H Raptor Lake, dotykový 16" Mini LED lesklý 2560 × 1600 240Hz, RAM 32GB DDR5, NVIDIA GeForce RTX 4070 8GB 120 W (MUX Switch), SSD 2000GB, podsvícená RGB klávesnice, webkamera, USB 3.2 Gen 2, USB-C, stylus,Windows 11 Pro
70 691 Kč
(58 422 Kč bez DPH)
ASUS ProArt PX13 OLED HN7306WI-OLED008X Nano Black celokovový (HN7306WI-OLED008X)
Notebook - AMD Ryzen AI 9 HX 370, dotykový 13.3" OLED lesklý 2880 × 1800, RAM 32GB LPDDR5x, NVIDIA GeForce RTX 4070, SSD 2000GB, podsvícená klávesnice, webkamera, USB 3.2 Gen 2, stylus, WiFi 7, WiFi, Bluetooth, hmotnost 1,38 kg, Windows 11 Pro
71 746 Kč
(59 294 Kč bez DPH)
Acer Predator Helios 3D 15 SpatialLabs Edition (PH3D15-71-9033) (NH.QLWEC.001) (NH.QLWEC.001)
notebook, Intel Core i9-13900HX, 32GB (2x16) DDR5, 1TB PCIe NVMe SSD, 15,6" 3840x2160 (1920x2160@3D mode) IPS lesklý, graf. RTX 4080 12GB, Thunderbolt 4, 2.98kg, Windows 11 Home
72 875 Kč
(60 227 Kč bez DPH)
Lenovo Legion Pro 7 16IRX9H (83DE0030CK) (83DE0030CK)
Herní notebook 16" WQXGA (2560x1600) IPS 500nits, matný, 240Hz, G-Sync, procesor Intel Core i9-14900HX, 32GB (2x16GB SO-DIMM DDR5-5600), 1TB SSD M.2 2280 PCIe 4.0x4 NVMe, NVIDIA GeForce RTX 4080 12GB GDDR6, Windows 11 Home
74 750 Kč
(61 777 Kč bez DPH)