Lenovo ThinkStation P3 Tower G2 - Ultra 9 285, 126GB RAM, RTX 4000

High-End Performance for Professional Workloads

The Lenovo ThinkStation P3 Tower G2 is built for advanced professional environments that demand constant speed and reliability. The Intel Core Ultra 9 285 vPro processor delivers strong multitasking and stable performance for engineering, architecture, analytics, simulation, and complex office workflows.

Processor (CPU)

Intel Core Ultra 9 285 vPro (Series 2, LGA 1851)

Architecture: Lunar Lake / Core Ultra Series 2

Cores / Threads: 24 cores / 24 threads

CPU types: Performance cores + Efficiency cores

Max turbo frequency: ~5.7 GHz (varies by workload)

Base power (PBP): 125 W

Maximum turbo power: Typically 180–200 W (varies by system)

Integrated GPU: Intel Arc-class GPU

AI Acceleration: Intel NPU + GPU compute

Memory Support: DDR5 up to chipset-rated speeds

vPro Enterprise supported

CPU Features:

Intel Hyper-Threading

Intel Deep Learning Boost

Intel Thread Director

Intel TME / SGX / security extensions

Support for PCIe Gen 5 lanes for GPU + Gen 4 lanes for storage

Motherboard / Chipset

Intel W880 Workstation Chipset

Platform: Workstation-grade, supports ECC and non-ECC DDR5

Memory channels: 2 channels

DIMMs per channel: 2 (total 4)

PCIe lanes:

From CPU: PCIe Gen 5 x16 for GPU, PCIe Gen 4 for M.2

From chipset: PCIe Gen 3/4 lanes for I/O, M.2 adaptors, onboard controllers

RAID controller: built-in

Enterprise manageability: AMT, vPro

Security: TPM 2.0, BIOS Guard, Boot Guard

Memory (RAM)

Installed: 128 GB DDR5-4400MT/s

Type: DDR5 UDIMM

Speed: 4400 MT/s (actual speed may adjust based on 4-DIMM load)

Configuration: likely 4 × 32 GB or 2 × 64 GB depending on vendor

Supported ECC: Platform supports ECC, but depends on the DIMMs installed

Max supported: 256 GB total

Memory Electrical Characteristics:

DDR5 on W880 typically runs at lower voltage (1.1–1.25V)

On a fully populated system, max effective speed is often limited by CPU IMC

Supports on-DIMM Power Management IC (PMIC)

Storage Configuration

Installed: 1 × 2 TB NVMe M.2 SSD

Type: PCIe NVMe M.2

Likely interface: PCIe Gen 4 ×4 (fastest supported for most M.2 slots)

Form factor: M.2 2280

Bootable: Yes

Sequential performance: typically 3.5–7.4 GB/s 

Platform Storage Capabilities

M.2 slots: 3–4 total (mix of PCIe Gen 5 / Gen 4)

SATA support:

Up to 2 × 2.5" SATA SSD

Up to 2 × 3.5" SATA HDD

Total storage potential: well over 20 TB 

RAID Options

NVMe RAID: 0 / 1 / 5

SATA RAID: 0 / 1 / 5 / 10

(All chipset-level, no separate card needed.)

Graphics (GPU)

NVIDIA RTX 4000 Ada Generation (20 GB GDDR6)

Architecture: Ada Lovelace

CUDA cores: 6,144

Tensor cores: 192 (4th-gen)

RT cores: 48 (3rd-gen)

VRAM: 20 GB GDDR6 ECC

Memory bus: 160-bit

Memory bandwidth: ~360 GB/s

TDP: ~130 W 

Interface: PCIe Gen 4 ×16

Max resolution: 8K × 4K multi-display setups

Display outputs (typical):

4× DisplayPort 1.4a (up to 4 monitors)

Performance Level:

Excellent for: CAD, BIM, 3D modeling, rendering, simulation, AI workloads, large multi-display setups

Faster than RTX A2000 / A1000, below RTX 5000 Ada

Power Supply

Installed PSU: Depends on the build; RTX 4000 Ada typically pairs with 750 W Platinum

PSU Options Supported:

500 W Platinum

750 W Platinum

1100 W Platinum

80 PLUS Rating: Platinum

Cooling: Multi-zone workstation cooling, front-to-back airflow

Expansion Slots

PCI Express

1 × PCIe 5.0 x16 slot (GPU primary)

1 × PCIe 4.0 x16 slot (electrical x4)

2 × PCIe 3.0 x1 slots

Other internal connectors

USB internal headers

SATA connectors

Front-panel connectors

TPM (integrated), no add-on needed

Ports & Connectivity

Front I/O

USB-C 20 Gbps

USB-A ports (5 Gbps and/or 10 Gbps)

Headphone/microphone combo

Dedicated microphone jack

Rear I/O

Gigabit Ethernet RJ-45

USB-A (multiple 5 Gbps and USB 2.0)

Display output ports (HDMI/DP from integrated GPU unless disabled by discrete GPU)

Audio line-out

Networking

LAN: Intel I219-LM Gigabit Ethernet

Optional WLAN: Wi-Fi 6E or Wi-Fi 7 card 

Bluetooth: up to 5.4 (with Wi-Fi add-on)