Tech Spec Spec it right!

Lenovo ThinkPad E490s

Slimmer, lighter sibling of the ThinkPad E490 with 8th Generation Intel Core i5/i7 processors, an optional AMD Radeon discrete GPU, an all-aluminium chassis, and a thinner 17.9 mm profile.

Memory

Slots
Two DDR4 SO-DIMM slots, dual-channel capable
Max
32 GB DDR4-2400

Storage

Layout
One M.2 SSD slot, configurable by model
M.2 2280 SSD
SATA 6.0 Gb/s, or PCIe NVMe PCIe 3.0 x4 (runs at PCIe 3.0 x2 due to adapter limitation)
M.2 2242 SSD
PCIe NVMe, PCIe 3.0 x2
Optical
None

Graphics

Integrated
Intel UHD Graphics 620
Discrete
AMD Radeon RX 540X Graphics, 2 GB GDDR5 memory (optional)
External displays
Supports up to three independent displays via HDMI or USB Type-C; max resolution 4096x2304@60Hz (USB-C), 4096x2160@24Hz (HDMI)

Networking

Ethernet
Gigabit Ethernet Connection, Realtek R8111GUS
WLAN + Bluetooth
One of, configurable by model: Realtek RTL8822BE Wi-Fi 2x2 802.11ac + BT 4.2; Intel Wireless-AC 9260 Wi-Fi 2x2 802.11ac + BT 5.0 — M.2 card
WWAN / SIM / NFC
None

Power

Adapters
45 W or 65 W USB-C AC adapter
Rapid Charge
Charges up to 80% in 1 hr with 65 W adapter

Ports

USB-C
1 x USB 3.1 Type-C Gen 2 (Power Delivery, DisplayPort)
USB-A
2 x USB 3.1 Gen 1 (one Always On), 1 x USB 2.0
Video
1 x HDMI 1.4b
Networking
1 x Ethernet (RJ-45)
Audio
1 x headphone / microphone combo jack
Card reader
MicroSD card reader
Security
Security keyhole

Display

FHD TN
14.0" FHD (1920x1080), TN, antiglare, 220 nits, 16:9, 400:1 contrast, 90° viewing angle
FHD IPS
14.0" FHD (1920x1080), IPS, antiglare, 250 nits, 16:9, 600:1 contrast, 170° viewing angle

Battery

Type
Integrated Li-ion 42 Wh, Rapid Charge to 80% in 1 hr with 65 W AC adapter
Rated life
MobileMark 2014: 11.5 hr

Physical

Dimensions (W x D x H)
329 x 232 x 17.9 mm (12.96" x 9.13" x 0.70")
Weight
Starting at 1.67 kg (3.68 lb)
Case
Black or silver; aluminum
Keyboard
6-row spill-resistant, multimedia Fn keys, optional LED backlight; TrackPoint pointing device and buttonless Mylar surface multi-touch touchpad (UltraNav)
Camera
HD 720p camera, fixed focus
Audio
HD Audio, Synaptics CX11880 codec; stereo speakers 2 W x 2, Dolby Audio Premium; dual array microphone
Security
Firmware TPM 2.0 integrated in chipset, or discrete TPM 2.0 (TCG certified, may be disabled in some regions); touch-style fingerprint reader on palm rest; power-on / hard disk / supervisor passwords; security keyhole
Durability
MIL-STD-810G military testing
Certifications
EPEAT Silver; ENERGY STAR 7.1; RoHS-compliant

Management

Warranty
One of, configurable by model: 1-year mail-in repair or 1-year depot repair service
Status
End of support 2025-07-18 (PSREF)

Operating systems

Preloads
Optional: Windows 10 Home 64 or Windows 10 Pro 64

Processors

  • Intel Core i5-8265U
  • Intel Core i7-8565U