Lenovo ThinkStation P620

Single-socket 33L tower workstation built around AMD Ryzen Threadripper PRO 3000 and 5000 WX processors (up to 64 cores), with 8-channel DDR4-3200 ECC memory up to 1 TB, six PCIe 4.0 slots and 10 GbE onboard. Aimed at heavily threaded CAD, simulation, rendering and media work that needs lots of cores and up to two high-end GPUs.

Memory

Slots: 8 DDR4 DIMM, one per channel (8 channels)
Type: DDR4-3200 ECC RDIMM (3DS RDIMM for 128 GB)
Max: 1 TB (8 × 128 GB 3DS RDIMM); 512 GB with 8 × 64 GB RDIMM
DIMM sizes: 16 / 32 / 64 / 128 GB (datasheet); PSREF models also shipped 8 GB RDIMMs
Population: 1, 2, 4 or 8 DIMMs: 1 = slot 7; 2 = slots 7, 8; 4 = slots 1, 2, 7, 8; 8 = all
Recommendation: At least 2 DIMMs for 12/16-core CPUs, 4 DIMMs for 32/64-core CPUs; 8 DIMMs for full bandwidth
Cooling: Memory active cooler and duct over the DIMMs

Storage

Max (PSREF): Up to 5 × 3.5" SATA HDD + 11 × M.2 SSD; up to 14 drives in use at once
3.5" bays: 2 standard at the bottom of the chassis; 2 more with the 3rd-disk / storage drive cage kit (option SBB0K66164); 1 via the flex bay
Onboard M.2: 2 × M.2 2280 PCIe 4.0 x4 NVMe under a heat sink, up to 4 TB each
More M.2: 8 via two Quad M.2 PCIe adapters (Gen 4 or Gen 3 versions), 1 via single M.2 PCIe adapter (PCIe 3.0 SSD only); adapter SSDs up to 2 TB
U.2 / U.3: U.2 or U.3 SSD in a PCIe adapter (listed in the HMM)
Drive sizes offered: 3.5" SATA 7200 rpm HDD 1 / 2 / 4 TB; M.2 PCIe 3.0 256 GB–2 TB; M.2 PCIe 4.0 256 GB–4 TB
Onboard RAID: AMD RAIDXpert2: NVMe RAID 0/1/5/10, SATA RAID 0/1/5/10 (datasheet: onboard M.2 RAID 0/1)
Add-in RAID: HMM covers a RAID card with super-capacitor module; none were certified at launch (storage configurator, 2020)
Optical: Optional one 9.0 mm slim drive: DVD-ROM, DVD±RW or Blu-ray
Card reader: Optional 15-in-1

Graphics

Onboard video: None; monitors depend on the graphics card
PSREF support line: Up to two NVIDIA RTX 5000 Ada Generation or one AMD Radeon PRO W7900
Power configurator (NVIDIA): 1 × 350 W triple-slot, or 1 × 320 W, or 2 × 300 W dual-slot (2 × RTX A6000; only 1 × RTX 6000 Ada), or 2 × 295/265/230 W, or 2 × 250 W + 1 × 75 W, or 4 × 160 W single-slot, or 4 × 75 W
Power configurator (AMD): 2 × 230 W dual-slot, or 1 × 205 W, or 4 × 130 W single-slot, or 4 × 75 W
NVIDIA RTX Ada: RTX 6000 Ada 48 GB, RTX 5000 Ada 32 GB, RTX 4000 Ada 20 GB, RTX 2000 Ada 16 GB
NVIDIA RTX A: RTX A6000 48 GB, A5500 24 GB, A5000 24 GB, A4500 20 GB, A4000 16 GB (up to 4), A2000 6 / 12 GB
NVIDIA Quadro: RTX 8000 48 GB, RTX 6000 24 GB, RTX 5000 16 GB, RTX 4000 8 GB, GV100 32 GB, P2200, P1000, P620
NVIDIA T: T1000 4 / 8 GB, T600 4 GB, T400 4 GB
AMD: Radeon PRO W7900 48 GB, W7600, W6800 32 GB, W6600, W6400, Radeon Pro VII 16 GB, W5700, W5500, WX 3200
GeForce (special bid): RTX 3080 Ti, RTX 3080, RTX 4080, RTX 4070, RTX 3060 Ti, RTX 2080 Super
NVLink: Pairs shipped with NVLink: Quadro GV100, RTX 5000, RTX 6000, RTX A4500, A5000, A5500, A6000
Aux power: Two onboard GFX_PWR connectors, each with a 6-pin + 6+2-pin drop; 12VHPWR cable in GPU kit 4XF1M24242 for RTX 6000 Ada / RTX 4080

Expansion

Slot 1: PCIe 4.0 x16, full height, full length, 75 W, double-width, CPU
Slot 2: PCIe 4.0 x8, full height, full length, 25 W, CPU
Slot 3: PCIe 4.0 x16, full height, full length, 75 W, double-width, CPU (reserved for the first GPU)
Slot 4: PCIe 4.0 x16, full height, full length, 75 W, CPU
Slot 5: PCIe 4.0 x16, full height, full length, 75 W, CPU
Slot 6: PCIe 4.0 x8, full height, full length, 25 W, IOH
Flex bay: 1 × flex bay: flex module (slim ODD + 15-in-1 reader), front-access storage enclosure, multi-drive conversion kit or slim-ODD adapter
Internal headers: Internal USB 3.2 Gen 2, internal USB 2.0, Thunderbolt control, serial (COM), alternative TPM, media card reader

Networking

Onboard: Marvell AQtion AQN-107 10 GbE, 1 × RJ-45
Optional Ethernet: One extra adapter: Intel I350-T4, Broadcom BCM5719 (4 × GbE), Broadcom BCM5720 (2 × GbE), Intel X550-T2, X710-T2L (2 × 10GBASE-T), X710-DA2 (2 × SFP+), Marvell AQN-107 (1 × 10 GbE)
WLAN: Optional Intel Wireless-AC 9260 + BT 5.1 or Intel Wi-Fi 6E AX210 + BT 5.3, external antenna

Power

PSU: 1000 W fixed, 92% efficient, autosensing, 80 PLUS Platinum (same unit as the P520)
Connection: PSU plugs into an edge connector on the system board and latches in
GPU power: 2 dedicated 12 V rails via GFX_PWR_1 / GFX_PWR_2

Ports

Front: 2 × USB-C 3.2 Gen 2 (5 V / 3 A), 1 × USB 3.2 Gen 2 (Always On, charging 5 V / 2.1 A), 1 × USB 3.2 Gen 2, headset jack
Front optional: 1 × USB-C 3.2 Gen 1 (flex module)
Rear: 1 × 10 GbE RJ-45, line-in, line-out, mic, 2 × PS/2, 2 × USB 2.0, 4 × USB 3.2 Gen 2
Rear optional: 1 × Thunderbolt 3 card, 2 × USB-C 3.2 Gen 2 card (PCIe x4), 1 × serial

Physical

Form factor: Tower, 33 L
Dimensions (W×D×H): 165 × 455 × 446 mm (6.5 × 17.9 × 17.6 in); datasheet gives 165 × 460 × 440 mm
Weight: 24 kg (52.91 lb) maximum configuration
Machine types: 30E0, 30E1
Tool-less: Side cover, memory, 3.5" HDD, optical, PCIe cards
Security: Discrete TPM 2.0 (TCG, FIPS 140-2), chassis intrusion switch, Kensington slot 3 × 7 mm, optional access-panel lock kit (common or unique key)
Environment: Operating 10–35 °C, 20–80% RH, up to 3048 m

Management

Remote: AMD PRO manageability
Diagnostics: Front 4-digit diagnostic display, ThinkStation Diagnostics, Lenovo UEFI Bootable Diagnostics, photo-audio transfer to Lenovo PC Diagnostics app
BIOS security: Administrator and power-on passwords
Warranty: 3-year limited onsite
Support dates: PSREF model announce dates 2020-09-03 to 2026-02; end of support 2030-10-05 (some models 2028-10-04)

Operating systems

Preloads: Windows 11 Pro, Windows 11 downgrade to Windows 10 Pro 64, Windows 10 Pro 64, Ubuntu Linux LTS, Ubuntu with Data Science preload, no OS
Certified: Red Hat Enterprise Linux 8.5

Processors

AMD Ryzen Threadripper PRO 3945WX
AMD Ryzen Threadripper PRO 3955WX
AMD Ryzen Threadripper PRO 3975WX
AMD Ryzen Threadripper PRO 3995WX
AMD Ryzen Threadripper PRO 5945WX
AMD Ryzen Threadripper PRO 5955WX
AMD Ryzen Threadripper PRO 5965WX
AMD Ryzen Threadripper PRO 5975WX
AMD Ryzen Threadripper PRO 5995WX