Lenovo ThinkCentre M70a

A 21.5" all-in-one desktop with 10th Generation Intel Celeron through Core i9 processors, aimed at mainstream office use.

Memory

Bays: Up to two drives: 1x 2.5" HDD + 1x M.2 SSD
2.5" HDD: SATA 6Gb/s, 5.4K or 7.2K RPM, up to 2 TB
M.2 SSD: M.2 2242/2280, PCIe NVMe (PCIe 3.0 x2 or x4), up to 1 TB; one M.2 2280 option with Opal encryption
Optane: Optional Intel Optane Memory M10, M.2 PCIe NVMe
RAID: No RAID support
Optical: Optional slim (9.0 mm) DVD-ROM or DVD burner, SATA 1.5Gb/s
Card reader: Optional 3-in-1 card reader

Integrated: Intel UHD Graphics 610 or 630, shared memory, 1x DP 1.2, max 4096x2304@60Hz

Ethernet: Gigabit Ethernet, Realtek RTL8111K, 1x RJ-45, Wake-on-LAN
Wi-Fi/Bluetooth: Optional M.2 card: Realtek RTL8822BE 802.11ac 1x1 + BT 4.2; Realtek RTL8822CE 802.11ac 2x2 + BT 5.0; Intel Wireless-AC 9462 802.11ac 1x1 + BT 5.0; Intel Wireless-AC 9560 802.11ac 2x2 + BT 5.1; Intel Wi-Fi 6 AX201 802.11ax 2x2 + BT 5.1

Rear: 4x USB 3.2 Gen 1 (one Smart Power On), 1x DisplayPort, 1x Ethernet (RJ-45); optional 1x serial
Right: 1x USB-C 3.2 Gen 1 (5V/3A charging), 1x USB 3.2 Gen 1, 1x USB 3.2 Gen 2, 1x headphone/mic combo; optional card reader
Front: Optional slim optical drive

Panel: 21.5" FHD (1920x1080) IPS, 250 nits, anti-glare, 16:9, 1000:1 contrast, 72% NTSC, 60 Hz, 89/89/89/89 viewing angles
Touch: Optional Advanced In-cell Touch (AIT), 10-point multi-touch; or non-touch

Dimensions (without stand): 490.14 x 46-57.8 x 297.75 mm (with/without ODD)
Dimensions (UltraFlex IV stand): 490.17 x 288.17 x 197.04 mm (flat) to 490.17 x 232.75 x 439.28 mm (vertical)
Dimensions (full-function stand): 490.14 x 199.82 x 386.05-466.04 mm
Weight: 4.62-7.88 kg depending on stand, ODD and touch configuration
Case color: Black
Bays: 1x 2.5" disk bay, 1x slim ODD bay
Expansion: Two M.2 slots (one WLAN, one SSD)
Stand: UltraFlex IV stand (-5 to +70 tilt, up to 164 mm lift) or full-function monitor stand (-5 to +30 tilt, up to 80 mm lift)
Mounting: VESA 100mm
Camera: Optional FHD 1080p (+IR on some models), ThinkShutter physical cover, Windows Hello on IR model
Audio: Realtek ALC233 HD audio codec, stereo 2W x2 speakers, dual-microphone array
Security: Discrete TPM 2.0 (TCG certified), Kensington Security Slot, optional chassis intrusion switch, optional fingerprint mouse (EOL Jan 2023)

Supported: Windows 10 Home/Pro 64, Windows 10 Home Single Language, Windows 10 IoT Enterprise, Windows 11 (via Windows 10 Pro downgrade image), Windows 11 Home/Home SL/Pro, Ubuntu Linux, No OS