Lenovo ThinkCentre M90a Gen 6

An AI PC all-in-one with Intel Core Ultra (Series 2) processors, an on-die NPU rated up to 36 TOPS, an optional discrete NPU card or NVIDIA GeForce RTX discrete GPU, and Thunderbolt 4 connectivity.

Memory

Slots: Two DDR5 SO-DIMM slots, dual-channel capable
Max: Up to 64 GB DDR5-5600
Type: DDR5-5600, non-ECC

Storage

Support: Up to three drives, 3x M.2 SSD (each up to 2TB); the optional discrete NPU card and the 3rd SSD are mutually exclusive
Type: M.2 2280 SSD, PCIe NVMe 4.0 x4 (standard or Performance) or PCIe NVMe 5.0 x4 (standard or Performance), Opal 2.0
RAID: RAID 0/1 for SSDs
Bays: No internal drive bays -- storage is M.2 SSD only
Optical: Optional slim (9.0mm) DVD-ROM or DVD burner via external USB ODD box

Graphics

Integrated: Intel Graphics (all CPUs), shared memory, 1x HDMI 2.1 TMDS + 1x DP 1.4a + 1x Thunderbolt 4, max 7680x4320@30Hz via Thunderbolt 4, DirectX 12
Discrete options: NVIDIA GeForce RTX 4050, 6GB GDDR6; or NVIDIA GeForce RTX 5060, 8GB GDDR7; both DirectX 12 / OpenGL 4.6, same connectors
Monitor support: Up to 4 independent displays (native + 3 external) via DisplayPort, HDMI and Thunderbolt 4; can act as a standalone monitor via the HDMI in/out combo port

Expansion

M.2 slots: Four M.2 slots (1 WLAN + 3 SSD/discrete NPU)

Networking

Ethernet: Gigabit Ethernet, Intel I219-LM, 1x RJ-45, Wake-on-LAN
Wi-Fi/Bluetooth: Optional M.2 card: Intel Wi-Fi 6 AX203 2x2 + BT5.2; Intel Wi-Fi 6E AX211 2x2 + BT5.3 (with or without Intel vPro support); Realtek Wi-Fi 7 RTL8922AE 2x2 + BT5.4

Power

Supply: 180W fixed, 90% efficiency, 80 PLUS Gold; or 230W fixed, 92% efficiency, 80 PLUS Platinum (discrete-graphics models only)

Ports

Rear: 2x USB-A (USB 10Gbps), 2x USB-A (USB 5Gbps, one Smart Power On), 1x HDMI (in 1.4 / out 2.1 TMDS combo), 1x DisplayPort 1.4a (HBR2), 1x Ethernet (RJ-45); optional 1x serial
Right: 1x headphone/microphone combo (3.5mm), 1x USB-C (Thunderbolt 4 / USB4 40Gbps, USB PD 3.0 up to 65W, DisplayPort 2.1, Always On), 1x USB-A (USB 10Gbps), 1x USB-C (USB 10Gbps, data + 5V/3A charging); optional card reader (3-in-1 SD/SDHC/SDXC)

Display

Panel: 23.8" FHD (1920x1080) IPS, 250 nits, anti-glare (25% haze), 16:9, 1500:1 contrast, 99% sRGB, 120Hz, 89/89/89/89 viewing angles, 14ms response, 4-side near-borderless, TUV Rheinland Low Blue Light (hardware) & Flicker Free, Eyesafe Certified 2.0
Touch: Optional OGM (One Glass Metal mesh) multi-touch, 10-point; or non-touch

Physical

Dimensions: Depending on stand: 539.6 x 213.1 x 417-442 mm (tilt-only, camera dependent); 539.6 x 222.2 x 368-544 mm (full-function stand range); 539.6 x 49.6 x 315-340 mm (no stand); UltraFlex V stand varies with lift and camera
Weight: 6 kg (no stand) to 8.96 kg (full-function stand), maximum configuration
Case color: Black
Stand: UltraFlex V stand (-5 to +70 tilt, up to 170mm lift), full-function monitor stand (-5 to +22 tilt, 45 swivel, 90 pivot, 150mm lift), or tilt-only stand (-5 to +25 tilt); VESA 100mm mount supported
Camera: Optional 5.0MP IR+RGB hybrid (with or without Human Presence Detection radar), or 5.0MP standard, ThinkShutter physical cover
Audio: Realtek ALC233NL-VB2-CG HD audio codec, stereo 3W x2 speakers with Dolby Atmos, dual-microphone array
Security: Discrete TPM 2.0 (TCG + FIPS 140-2 certified), Kensington Security Slot, optional chassis intrusion switch, Absolute persistence module, secure boot/wipe
Other: Supports Smart Power On

Management

Platform: Intel vPro Enterprise (Wi-Fi 6E AX211 vPro configurations) or non-vPro
BIOS security: Administrator/power-on/hard disk passwords, boot sequence control, boot without keyboard/mouse, individual USB port disablement, self-healing BIOS, Smart USB protection, secure boot, secure wipe, certificate-based BIOS authentication, Intel BIOS Guard

Operating systems

Supported: Windows 11 Pro, Windows 11 Home, Windows 11 Home Single Language, or no preload OS

Processors

Intel Core Ultra 3 205
Intel Core Ultra 5 225
Intel Core Ultra 5 235
Intel Core Ultra 5 245
Intel Core Ultra 7 265
Intel Core Ultra 9 285