W-11855M | ThinkPad P1 Gen 4 (16, Intel)

Name: W-11855M | ThinkPad P1 Gen 4 (16, Intel)
Brand: Lenovo
SKU: 11899
Availability: InStock
Rating: 4 (1 reviews)

Model: ThinkPad P1 Gen 4 (20Y3, 20Y4 series)
Processor: Intel Xeon W-11855M
Graphics: Intel UHD Graphics, NVIDIA T1200, RTX A2000–A5000, GeForce RTX 3070–3080
Memory: 8GB–64GB DDR4 3200MHz (ECC with Xeon)
Storage: 256GB–4TB PCIe NVMe SSD
Display: 16-inch WQXGA or WQUXGA, optional touchscreen
Connectivity: Thunderbolt 4, USB-A, HDMI 2.1, SD card reader, Wi-Fi 6E
Weight: ~1.81 kg (3.99 lbs)

Description
Reviews (1)

ThinkPad P1 Gen 4 (16, Intel)

Xeon W-11855M Performance

The Lenovo ThinkPad P1 Gen 4 with Intel Xeon W-11855M (6 cores, 12 threads, 3.2–4.9 GHz, 18MB cache, 45W TDP) supports ECC RAM for enhanced stability. Scores ~8,200 in Cinebench R23 multi-core, ~10% slower than i7-11850H due to fewer cores but ideal for CAD and simulations. GPU options include NVIDIA T1200 (~1.9 TFLOPS, ~30–40 FPS in Blender), RTX A2000–A5000, or GeForce RTX 3070–3080 (~6–8 TFLOPS, ~60–80 FPS in Unreal Engine). PCMark 10 scores ~6,000, excelling in productivity. Vapor-chamber cooling keeps temps ~70–80°C, though fans hit ~42 dB. Users note ISV certifications ensure reliability for Adobe Premiere, AutoCAD.

Display and Premium Design

Features a 16-inch 16:10 display: WQXGA (2560x1600, IPS, 400 nits, 100% sRGB) or WQUXGA (3840x2400, IPS, 600 nits, 90% DCI-P3, optional touchscreen). Anti-glare coating reduces reflections. Weighing 1.81 kg (3.99 lbs) and measuring 359.5 x 253.8 x 17.7 mm, the carbon fiber and aluminum chassis is MIL-STD-810H tested. Backlit keyboard (1.5mm travel) and haptic touchpad are praised; 1080p IR webcam with privacy shutter improves video calls. Users note slim bezels and sturdy build but mention fingerprint-prone finish.

Connectivity and Battery Life

Includes 2x Thunderbolt 4 (40 Gbps), 2x USB-A 3.2 Gen 1 (5 Gbps), HDMI 2.1 (8K@60Hz), SD card reader (UHS-II, ~300 MB/s), and headphone/mic combo. Wi-Fi 6E (AX210, ~2.4 Gbps) and Bluetooth 5.2 ensure fast connectivity. Optional 4G/5G SIM slot. The 90Wh battery lasts ~6–8 hours (office tasks) or ~10 hours (video at 150 nits). Rapid Charge reaches 80% in ~1 hour (135W). Users criticize short battery life under heavy loads (~3–4 hours); Thunderbolt 4 and SD reader are praised for professionals.

Lenovo ThinkPad P1 Gen 4 (16, Intel, Xeon W-11855M): All Features

Processor	Intel Xeon W-11855M (6 cores, 3.2–4.9 GHz, 18MB cache, 45W TDP, vPro)
Graphics	Intel UHD Graphics (Hybrid Mode), NVIDIA T1200, RTX A2000, A3000, A4000, A5000, GeForce RTX 3070, 3080
Memory	8GB–64GB DDR4 3200MHz (2x SODIMM, ECC with Xeon)
Storage	256GB–4TB PCIe NVMe SSD (M.2 2280, PCIe 4.0 x4, 1–2 slots)
Display	16-inch WQXGA (2560x1600, IPS, 400 nits, 100% sRGB), WQUXGA (3840x2400, IPS, 600 nits, 90% DCI-P3, optional touchscreen)
Connectivity	2x Thunderbolt 4, 2x USB-A 3.2 Gen 1, HDMI 2.1, SD card reader, headphone/mic, optional SIM
Features	Wi-Fi 6E, Bluetooth 5.2, fTPM 2.0, IR webcam, fingerprint reader, backlit keyboard, MIL-STD-810H, ISV certifications
Warranty	1–3 years (Premier Support, on-site options)

Lenovo ThinkPad P1 Gen 4 (16, Intel, Xeon W-11855M): All Specifications

Model	ThinkPad P1 Gen 4 (20Y3, 20Y4 series)
Processor	Intel Xeon W-11855M (6 cores, 12 threads, 3.2–4.9 GHz, 18MB cache, 45W TDP, vPro)
Graphics	Intel UHD Graphics (32EU, Hybrid Mode), NVIDIA T1200 (4GB GDDR6), RTX A2000 (4GB), A3000 (6GB), A4000 (8GB), A5000 (16GB), GeForce RTX 3070 (8GB), 3080 (16GB)
Memory	8GB–64GB DDR4 3200MHz (2x SODIMM, ECC RAM with Xeon)
Storage	256GB–4TB PCIe NVMe SSD (M.2 2280, PCIe 4.0 x4, 1–2 slots based on GPU)
Display	16-inch WQXGA (2560x1600, IPS, 400 nits, 100% sRGB, 60Hz), WQUXGA (3840x2400, IPS, 600 nits, 90% DCI-P3, optional touchscreen, 60Hz)
Connectivity	2x Thunderbolt 4 (40 Gbps), 2x USB-A 3.2 Gen 1 (5 Gbps), HDMI 2.1 (8K@60Hz), SD card reader (UHS-II), headphone/mic combo, optional 4G/5G SIM
Networking	Intel AX210 Wi-Fi 6E (up to 2.4 Gbps), Bluetooth 5.2
Battery	90Wh, 6–8 hours (office tasks), 10 hours (video at 150 nits)
Power Supply	135W–230W Slim Tip or USB-C (Rapid Charge)
Dimensions	359.5 x 253.8 x 17.7 mm (14.15 x 9.99 x 0.70 inches)
Weight	Starting at 1.81 kg (3.99 lbs)
Operating System	Windows 10 Pro for Workstations, Windows 11 Pro, Ubuntu 20.04, Red Hat 8.4, no OS
Security	fTPM 2.0, IR webcam, fingerprint reader, privacy shutter, Kensington Lock, vPro, MIL-STD-810H
Audio	2x 2W Dolby Atmos speakers, dual far-field mics
Camera	1080p FHD with IR, privacy shutter
Keyboard	Backlit, spill-resistant, 1.5mm key travel
Warranty	1–3 years (Premier Support, on-site options)
Certifications	RoHS, EPEAT Gold, Energy Star, MIL-STD-810H, ISV certified
Package Contents	Laptop, 135W–230W charger, quick start guide