As described at Lenovo official website, Lenovo Yoga C940 C940-15IRH is 15.6 inch 2-in-1 convertible touchscreen laptop powered by up to 9th Generation Intel Core i9-9880H octa-core processor with discrete NVIDIA GeForce GTX 1650 graphics video card with dedicated 4GB VRAM.
This mobile computer features 15.6 inches UHD (3840 x 2160) or FHD (1920 x 1080) touchscreen display with Dolby Vision, 802.11AX (2 x 2) WiFi 6, Bluetooth 5.0, Rotating Sound Bar with Dolby Atmos Speaker System, backlit keyboard, USB 3.1 Gen 2 Type-C port, Intel Thunderbolt 3 (Power Delivery, DisplayPort), Fingerprint reader, 720p HD web camera, Windows 10 64 Bit OS, and 4-cell 69Wh internal battery.

LENOVO YOGA C940 C940-15IRH SPECS
PROCESSOR
Up to 9th Generation Intel Core i9-9880H with vPro (2.30GHz, up to 4.80GHz with Turbo Boost, 8 cores, 16MB Cache)
9th Gen Intel Core i7-9750H (2.60GHz, up to 4.50GHz with Turbo Boost, 6 Cores, 12MB Cache)
OPERATING SYSTEM
Windows 10 Home 64
Windows 10 Pro
GRAPHICS
NVIDIA GeForce GTX 1650 4GB
DISPLAY
15.6” UHD (3840 x 2160) IPS, glossy, touchscreen, VESA-Certified Display HDR 400 with Dolby Vision, 500 nits
15.6” FHD (1920 x 1080) IPS, glossy, touchscreen, VESA-Certified Display HDR 400 with Dolby Vision, 500 nits
MEMORY
Up to 16GB DDR4 2666MHz
STORAGE
Up to 2TB SSD, PCIe-NVMe M.2
CONNECTIVITY
802.11AX (2 x 2) WiFi 6
Bluetooth 5.0
AUDIO
Rotating Sound Bar with Dolby Atmos Speaker System
2 x far-field microphones
KEYBOARD
Backlit
Numeric keypad
PEN
Lenovo Active Pen
PORTS
2 x USB 3.1 Gen 2 Type-C / Intel Thunderbolt 3 (Power Delivery, DisplayPort)
1 x USB 3. 1 Gen 2 Type-A
Headphone / mic combo
COLOR
Iron Grey
SECURITY
Fingerprint reader
TrueBlock Privacy Shutter
CAMERA
720p HD web camera
WHAT’S IN THE BOX
Yoga C940 15”
Lenovo Pen
135W AC Adapter
4 Cell 69Wh internal battery
LENOVO YOGA C940 C940-15IRH DRIVERS FOR WINDOWS 10 64 BIT
VIDEO GRAPHICS / DISPLAY / VGA
Intel VGA Driver
Version : 26.20.100.7107
Release date : 26 Nov 2019
File size : 188.9 MB
File name : rqyc02af09ra.exe
https://download.lenovo.com/consumer/mobiles/rqyc02af09ra.exe
NVIDIA VGA Driver
Version : Nvidia 26.21.14.3131
Release date : 14 Oct 2019
File size : 189.4 MB
File name : rqyc01af09rc.exe
https://download.lenovo.com/consumer/mobiles/rqyc01af09rc.exe
AUDIO / SOUND
Realtek Audio Driver
Version : 6.0.8757.1
Release date : 26 Nov 2019
File size : 15.9 MB
File name : rqyc02af09rf.exe
https://download.lenovo.com/consumer/mobiles/rqyc02af09rf.exe
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Intel Smart Sound Technology (SST) Driver
Version : 10.23.0.2764
Release date : 14 Oct 2019
File size : 88.1 MB
File name : rqyc01af09re.exe
https://download.lenovo.com/consumer/mobiles/rqyc01af09re.exe
CHIPSET
Intel Chipset Driver
Version : Intel 10.1.16.7
Release date : 14 Oct 2019
File size : 351.9 KB
File name : rqyc01af09r0.exe
https://download.lenovo.com/consumer/mobiles/rqyc01af09r0.exe
Intelligent Thermal Solution (ITS) Driver
Version : 1.0.0.22
Release date : 14 Oct 2019
File size : 1.5 MB
File name : h4ln040f08mu.exe
https://download.lenovo.com/consumer/mobiles/h4ln040f08mu.exe
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Intel Dynamic Platform and Thermal Framework (DPTF) Driver
Version : 10.1.16.7
Release date : 14 Oct 2019
File size : 3.2 MB
File name : rqyc01af09r4.exe
https://download.lenovo.com/consumer/mobiles/rqyc01af09r4.exe
Integrated Sensor Solution Driver
Version : 3.1.0.3923
Release date : 14 Oct 2019
File size : 763.8 KB
File name : rqyc01af09r9.exe
https://download.lenovo.com/consumer/mobiles/rqyc01af09r9.exe
Intel Management Engine Interface (MEI) Driver
Version : 1914.12.0.1256
Release date : 14 Oct 2019
File size : 8.8 MB
File name : rqyc01af09r1.exe
https://download.lenovo.com/consumer/mobiles/rqyc01af09r1.exe
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Intel Serial-IO (SIO) Driver
Version : 30.100.1915.1
Release date : 14 Oct 2019
File size : 493.6 KB
File name : rqyc01af09r7.exe
https://download.lenovo.com/consumer/mobiles/rqyc01af09r7.exe
Intel Software Guard Extensions (SGX) Driver
Version : 2.3.100.49813
Release date : 14 Oct 2019
File size : 2.6 MB
File name : rqyc01af09rt.exe
https://download.lenovo.com/consumer/mobiles/rqyc01af09rt.exe
WEBCAM / WEB CAMERA
Camera Driver
Version : Chicony 10.0.18362.20104;AWA 5.0.18.47;BISON 5.0.18.47
Release date : 14 Oct 2019
File size : 2.1 MB
File name : rqyc01af09rr.exe
https://download.lenovo.com/consumer/mobiles/rqyc01af09rr.exe
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MOUSE PEN KEYBOARD
Wacom Pen Driver
Version : 7.6.2.24
Release date : 14 Oct 2019
File size : 34.8 MB
File name : rqyc01af09s3.exe
https://download.lenovo.com/consumer/mobiles/rqyc01af09s3.exe
FINGERPRINT
Fingerprint Driver (Goodix, Synaptics)
Version : Goodix 2.1.53.270;Synaptics 6.0.37.1107
Release date : 14 Oct 2019
File size : 2.6 MB
File name : rqyc01af09ru.exe
https://download.lenovo.com/consumer/mobiles/rqyc01af09ru.exe
STORAGE
Intel Rapid Storage Technology (IRST) Driver
Version : 17.5.0.1017
Release date : 14 Oct 2019
File size : 3 MB
File name : rqyc01af09r2.exe
https://download.lenovo.com/consumer/mobiles/rqyc01af09r2.exe
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WIRELESS LAN WLAN WI-FI NETWORK
Intel WLAN Driver
Version : 21.30.2.1
Release date : 14 Oct 2019
File size : 7.4 MB
File name : rqyc01af09rk.exe
https://download.lenovo.com/consumer/mobiles/rqyc01af09rk.exe
BLUETOOTH
Intel Bluetooth Driver
Version : 21.20.0.4
Release date : 14 Oct 2019
File size : 961.9 KB
File name : rqyc01af09rp.exe
https://download.lenovo.com/consumer/mobiles/rqyc01af09rp.exe
SOFTWARE & UTILITIES
Lenovo Diagnostics for Windows 64-bit
Version : v4.31.1
Release date : 05 Sep 2019
File size : 40 MB
File name : ldiag_4.31.1_windows_x64.exe
https://download.lenovo.com/pccbbs/thinkvantage_en/ldiag_4.31.1_windows_x64.exe
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Lenovo Diagnostics User Guide
Version : V4.31
Release date : 10 Sep 2019
File size : 3.74 MB
File name : lenovo_diagnostics_v4.31_user_guide.pdf
https://download.lenovo.com/pccbbs/thinkvantage_en/lenovo_diagnostics_v4.31_user_guide.pdf
Lenovo Energy Management
Version : 15.11.28.192 193 MS signed
Release date : 14 Oct 2019
File size : 1.3 MB
File name : wwe00cae07jw.exe
https://download.lenovo.com/consumer/mobiles/wwe00cae07jw.exe
Lenovo Migration Assistant
Version : 2.0.2.22
Release date : 15 Nov 2019
File size : 50 MB
File name : lma20222.exe
https://download.lenovo.com/consumer/desktop/lma20222.exe
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Lenovo Yoga Mode Control Application
Version : 3.0.1.2
Release date : 14 Oct 2019
File size : 1.4 MB
File name : usly030e097w.exe
https://download.lenovo.com/consumer/mobiles/usly030e097w.exe