Lenovo ThinkStation P920

Lenovo's largest dual-socket Xeon Scalable workstation of its generation: a 55L tower with two sockets for CPUs up to 205 W, 16 DIMM slots (1 TB per PSREF), eight PCIe slots and a 1400 W PSU that can feed up to three high-end GPUs. Aimed at simulation, rendering and large-dataset work.

Memory

Slots: 16 DDR4 DIMM: 8 per CPU, 6 channels per CPU
Type (PSREF): DDR4-2666 or DDR4-2933 ECC RDIMM, DDR4-2666 ECC LRDIMM; the user guide also lists DDR4 ECC 3DS RDIMM
Max: 1 TB (16 × 64 GB RDIMM or LRDIMM, two CPUs) per PSREF; tech specs say 2 TB; the user guide says up to 4096 GB with 256 GB 3DS RDIMMs
DIMM sizes: 8 / 16 / 32 / 64 GB RDIMM in any combination up to 1024 GB; 256 GB 3DS RDIMM (user guide)
Mixing: Don't mix RDIMM with LRDIMM or 3DS RDIMM
Single CPU: Only the eight CPU 1 DIMM slots can be used
Fill order per CPU (Lenovo): 1 DIMM: slot 3; 2: slots 3, 5; 3: slots 1, 3, 5; 4: slots 3, 4, 5, 6; 6: slots 1–6 (best bandwidth); 8: all (capacity over bandwidth). 5 or 7 per CPU not recommended
Speed by CPU (HMM): Bronze 2133, Silver 2400, first-gen Gold/Platinum 2666, second-gen Gold/Platinum and Xeon W-3200 2933 MT/s

Storage

Support (PSREF): Up to 6 × 3.5" SATA HDD / 10 × 2.5" SATA HDD / 8 × 2.5" SAS HDD / 10 × 2.5" SATA SSD / 4 × 2.5" PCIe SSD, plus 9 × M.2 PCIe SSD and 2 × PCIe add-in SSD
Internal bays: 2 × 3.5" standard; 2 more with the 3rd-disk or Storage Bay Upgrade Kit; 2 more via the flex bays
2.5" doubling: The 4 internal 3.5" bays can hold 2 × 2.5" drives each (up to 8); needs a 9440-8i or 9460-16i adapter and other parts
M.2: Up to 9 × M.2 SSD: 2 onboard, 4 via the Quad M.2 to PCIe adapter, 3 via single M.2 to PCIe adapters
Front M.2: Up to three front removable M.2 enclosures in the flex bays, each with its own PCIe x4 adapter
SATA ports: 10 × SATA 6 Gb/s (two onboard mini-SAS connectors carry SATA 1–4 and 5–6) plus 1 × eSATA
Drive sizes offered: 3.5" SATA HDD 1–6 TB; 2.5" SATA HDD 500 GB; 2.5" SAS HDD 300/600 GB; 2.5" SATA SSD 256 GB–2 TB; M.2 NVMe 256 GB–2 TB; 2.5" PCIe (U.2 Optane) 1.5 TB; PCIe add-in (Optane 905P) 480 GB
Onboard RAID: Intel RSTe SATA RAID 0/1/5/10
Optional RAID: Broadcom 9440-8i (SAS/SATA, 0/1/5/10); Broadcom 9460-16i (0/1/5/6/10, 4 GB cache, SuperCap); Intel VROC NVMe Basic (0/1/10), Premium or Intel SSD only (0/1/5/10)
Optical: Up to three half-height or two 9.0 mm slim drives: DVD-ROM, DVD±RW, Blu-ray
Card reader: SD card reader on most PSREF models; 15-in-1 reader on the flex module on others

Graphics

Top configuration (PSREF): Up to two NVIDIA Quadro RTX 8000 48 GB with NVLink
Three big GPUs (Power Configurator): 3 × 295 W with dual CPUs of 165 W or less, RDIMMs only, onboard Intel storage (max 4 drives, lower bays only) and two extra HDD-to-GPU power cables
Quadro (Pascal/Volta/Turing): P400, P600, P620, P1000, P2000, P2200, P4000, P5000, P6000, GP100, GV100, RTX 4000, RTX 5000, RTX 6000, RTX 8000
NVIDIA T / RTX A: T400 2 GB/4 GB, T600, T1000 4 GB/8 GB, RTX A2000 6 GB/12 GB, RTX A4000, RTX A4500, RTX A5000, RTX A5500; dual RTX A6000 cabling is covered in the Power Configurator
RTX count (Lenovo 2018 matrix): RTX 8000 or 6000: up to 2 (8-pin to 6+6 splitter, FRU 01YW383, for two cards); RTX 5000: up to 3 (8-pin to 6+8 splitter, FRU 01YW382, per card for the first two); RTX 4000: up to 3
GPU power, full 1400 W: Current PSU SP50H29608 with dual CPUs up to 205 W: 2 × 300 W (not Tesla M60), 2 × 295 W, 3 × 265 W, 3 × 250 W, 3 × 180 W, 3 × 160 W, 4 × 120 W or 5 × 75 W. Original PSU SP50H29490: up to 3 × 250 W or 4 × 140 W
GPU power, 1125 W mode: At 100–110 V input: dual 205 W CPUs allow 1 × 180 W (or 2 × 120 W, 5 × 75 W); CPUs up to 165 W allow 1 × 265 W or 2 × 180 W; CPUs up to 150 W allow 1 × 295/300 W
Aux power: Quad-drop cable: 6-pin + 8-pin (6+2) for the upper x16 slots, two 8-pin (6+2) for the lower x16 slots; three dedicated 12 V rails
Onboard video: None; displays run from the graphics card

Expansion

Slot 1: PCIe 3.0 x16, full height, full length, 75 W, double-width, CPU 1
Slot 2: PCIe 3.0 x4, full height, full length, 25 W, open-ended, CPU 1
Slot 3: PCIe 3.0 x16, full height, full length, 75 W, double-width, CPU 1
Slot 4: PCIe 3.0 x4, full height, full length, 25 W, open-ended, CPU 1
Slot 5: PCIe 3.0 x4, full height, half length, 25 W, open-ended, PCH
Slot 6: PCIe 3.0 x16, full height, half length, 75 W, CPU 2 (full length only if the onboard M.2 slots are unused)
Slot 7: PCIe 3.0 x16, full height, full length, 75 W, double-width, CPU 2
Slot 8: PCIe 3.0 x16, full height, full length, 75 W, CPU 2
Layout: Slots 6–8 sit in an upper group above the CPUs; slots 1–5 are in the lower group
Flex bays: 3 × 5.25" flex bays: 3 × half-height ODD, 2 × slim ODD, slim ODD + one 3.5"/2.5" drive, a Front Access Storage Enclosure, or a flex module (slim ODD plus 15-in-1 reader or 2 × Thunderbolt; front USB-C or eSATA ports)

Networking

Onboard: 2 × Gigabit Ethernet: Intel I219-LM and I210-AT, 2 × RJ-45, Wake-on-LAN, PXE
Optional Ethernet: Up to two more adapters (up to four extra 10 GbE ports): Intel I210-T1, I350-T2, I350-T4, X540-T2, X550-T2, X710-DA2 (SFP+); Broadcom BCM5719, BCM5720; Marvell AQtion AQN-107 (10 GbE), AQN-108 (5 GbE); Bitland BN8E88
WLAN: Optional Intel Wireless-AC 8265 + Bluetooth 4.2, or Intel Wi-Fi 6E AX210 + Bluetooth 5.1

Power

PSU: One fixed 1400 W, 92% efficient, 80 PLUS Platinum, autosensing; unique to the P920 chassis
Part numbers: SP50H29490 (FRU 54Y8978) and the later SP50H29608 (FRU 5P50V03187, updated over-current/over-voltage protection)
Low-voltage limit: Output drops to 1125 W automatically on 100–110 V input (e.g. Japan, Taiwan, Colombia, Jamaica, Guam, the Virgin Islands)
Input: 100–240 V AC, 50/60 Hz, C14 inlet

Ports

Front: 4 × USB 3.2 Gen 1 (one Always On / fast charge), headphone/mic combo jack, SD card slot
Front optional: 2 × Thunderbolt 3 (USB-C, flex module, one with video out), 1 × USB-C 3.2 Gen 1, 1 × eSATA
Rear: 4 × USB 3.2 Gen 1, 2 × USB 2.0, 2 × RJ-45, line-in, line-out, mic, 2 × PS/2
Rear optional: 2 × USB-C 3.2 Gen 2 (PCIe card), 1 × Thunderbolt 3 (PCIe card), 1 × serial
Video: From the graphics cards only (DisplayPort, mini DisplayPort or DVI depending on card)

Physical

Form factor: Tower, 55 L
Dimensions (W×D×H): 200 × 620 × 446 mm (7.87 × 24.4 × 17.56 in, with feet)
Weight: 32.3 kg (71.3 lb) maximum as shipped (user guide, tech specs); PSREF gives 37 kg (81.6 lb), the figure the tech specs list as packaged weight
Packaging (W×D×H): 337 × 798 × 626 mm
Machine types: 30BC, 30BD
Motherboard: Custom ATX, 357 × 375 mm
Cooling: Two front and one rear system fans, one fan per CPU, two PSU fans, direct-cooling air baffle
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)
Operating temperature: 10–35 °C (50–95 °F)

Management

Remote: Intel vPro with Intel AMT 11
BIOS: AMI UEFI, 32 MB flash
Diagnostics: ThinkStation Diagnostics, Lenovo UEFI Bootable Diagnostics, front 4-digit diagnostic display, photoelectric sensor for Lenovo PC Diagnostics (Android/iOS)
Model dates (PSREF): Model announce dates 2017-09-28 to 2023-07-26
End of support (PSREF): 2025-09-11 for almost all models

Operating systems

Preloads: Windows 11 Pro for Workstations, Windows 10 Pro for Workstations (including Windows 11 downgrade), Ubuntu Linux LTS, Ubuntu Linux with Data Science preload, no OS
Certified / supported: Red Hat Enterprise Linux 8.5 certified (PSREF); tech specs also list RHEL 7.3 and 8.2 and Ubuntu 16.04, 18.04 and 20.04 LTS

Processors

Intel Xeon Bronze 3104
Intel Xeon Bronze 3106
Intel Xeon Bronze 3204
Intel Xeon Bronze 3206R
Intel Xeon Silver 4108
Intel Xeon Silver 4109T
Intel Xeon Silver 4110
Intel Xeon Silver 4112
Intel Xeon Silver 4114
Intel Xeon Silver 4114T
Intel Xeon Silver 4116
Intel Xeon Silver 4116T
Intel Xeon Silver 4208
Intel Xeon Silver 4209T
Intel Xeon Silver 4210
Intel Xeon Silver 4210R
Intel Xeon Silver 4214
Intel Xeon Silver 4214R
Intel Xeon Silver 4214Y
Intel Xeon Silver 4215
Intel Xeon Silver 4215R
Intel Xeon Silver 4216
Intel Xeon Gold 5115
Intel Xeon Gold 5118
Intel Xeon Gold 5119T
Intel Xeon Gold 5120
Intel Xeon Gold 5120T
Intel Xeon Gold 5122
Intel Xeon Gold 5215
Intel Xeon Gold 5215L
Intel Xeon Gold 5215M
Intel Xeon Gold 5217
Intel Xeon Gold 5218
Intel Xeon Gold 5218B
Intel Xeon Gold 5218N
Intel Xeon Gold 5218T
Intel Xeon Gold 5220
Intel Xeon Gold 5220S
Intel Xeon Gold 5220T
Intel Xeon Gold 5222
Intel Xeon Gold 6126
Intel Xeon Gold 6126T
Intel Xeon Gold 6128
Intel Xeon Gold 6130
Intel Xeon Gold 6130T
Intel Xeon Gold 6132
Intel Xeon Gold 6134
Intel Xeon Gold 6134M
Intel Xeon Gold 6136
Intel Xeon Gold 6138
Intel Xeon Gold 6138T
Intel Xeon Gold 6140
Intel Xeon Gold 6140M
Intel Xeon Gold 6142
Intel Xeon Gold 6142M
Intel Xeon Gold 6144
Intel Xeon Gold 6146
Intel Xeon Gold 6148
Intel Xeon Gold 6150
Intel Xeon Gold 6152
Intel Xeon Gold 6154
Intel Xeon Gold 6209U
Intel Xeon Gold 6210U
Intel Xeon Gold 6212U
Intel Xeon Gold 6222V
Intel Xeon Gold 6226
Intel Xeon Gold 6226R
Intel Xeon Gold 6230
Intel Xeon Gold 6230N
Intel Xeon Gold 6230T
Intel Xeon Gold 6234
Intel Xeon Gold 6238
Intel Xeon Gold 6238M
Intel Xeon Gold 6238T
Intel Xeon Gold 6240
Intel Xeon Gold 6240M
Intel Xeon Gold 6240R
Intel Xeon Gold 6240Y
Intel Xeon Gold 6242
Intel Xeon Gold 6244
Intel Xeon Gold 6246
Intel Xeon Gold 6248
Intel Xeon Gold 6252
Intel Xeon Gold 6252N
Intel Xeon Gold 6254
Intel Xeon Gold 6258R
Intel Xeon Gold 6262V
Intel Xeon Platinum 8153
Intel Xeon Platinum 8156
Intel Xeon Platinum 8158
Intel Xeon Platinum 8160
Intel Xeon Platinum 8160M
Intel Xeon Platinum 8160T
Intel Xeon Platinum 8164
Intel Xeon Platinum 8168
Intel Xeon Platinum 8170
Intel Xeon Platinum 8170M
Intel Xeon Platinum 8176
Intel Xeon Platinum 8176M
Intel Xeon Platinum 8180
Intel Xeon Platinum 8180M
Intel Xeon Platinum 8253
Intel Xeon Platinum 8256
Intel Xeon Platinum 8260
Intel Xeon Platinum 8260L
Intel Xeon Platinum 8260M
Intel Xeon Platinum 8260Y
Intel Xeon Platinum 8268
Intel Xeon Platinum 8270
Intel Xeon Platinum 8276
Intel Xeon Platinum 8276L
Intel Xeon Platinum 8276M
Intel Xeon Platinum 8280
Intel Xeon Platinum 8280L
Intel Xeon Platinum 8280M
Intel Xeon W-3223
Intel Xeon W-3225
Intel Xeon W-3235
Intel Xeon W-3245
Intel Xeon W-3245M
Intel Xeon W-3265
Intel Xeon W-3265M
Intel Xeon W-3275
Intel Xeon W-3275M