Compare ThinkStation P520 vs ThinkStation P920 vs ThinkStation P340 Tower

33 L

55 L

17 L

FCLGA2066

2x FCLGA3647

FCLGA1200

2x Optical drives / 1x optical drive + 2x 3.5" SATA / 2x M.2 SSD removable drive enclosures / other I/O ports + 2x M.2 onboard + 7x via M.2 to PCIe adapter + 6x 3.5" (4 via Flex bay)

3x Flex bays with optical drive, SATA, I/O, or removable M.2 SSD options + 2x M.2 onboard + 7x via M.2 to PCIe adapter + 6x 3.5" (4 optional, 2 via Flex bay)

2x M.2 onboard + 2x via M.2 to PCIe adapter + 2x 3.5" + 2x 2.5"

2x PCIe 3.0 x16 + 1x PCIe 3.0 x8 + 2x PCIe 3.0 x4 + 1x PCI

5x PCIe 3.0 x16 + 3x PCIe 3.0 x4

2x PCIe 3.0 x16 + 1x PCIe 3.0 x1

[Front] 4x USB 3.1 Gen1 + 2x USB 2.0 + 2x PS/2 + 1x RJ45 (1Gbps) + 1x Microphone + 1x Line-in + 1x Line-out + 2x optional USB-C 3.1 Gen2 + 1x optional Thunderbolt 3 + 1x serial | [Rear] 4x USB-C 3.1 Gen1 + 1x Headphone + 1x Microphone + 1x SD card reader

[Front] 4x USB 3.1 Gen1 + 2x USB 2.0 + 2x PS/2 + 2x RJ45 (1Gbps) + 1x Microphone + 1x Line-in + 1x Line-out + 2x optional USB-C 3.1 Gen2 + 1x optional Thunderbolt + 1x optional serial | [Rear] 4x USB 3.1 Gen1 + 1x Audio combo + 1x optional SD card reader

[Front] 1x USB-C 3.2 Gen1 + 2x USB 3.2 Gen2 + 2x USB 3.2 Gen1 + 1x Audio combo + 1x Microphone + 1x optional SD card reader | [Rear] 2x DisplayPort + 1x optional video (DP/HDMI/USB-C) + 2x USB 3.2 Gen1 + 2x USB 2.0 + 1x RJ45 (1Gbps) + 1x serial + 1x 3.5mm

WiFi 5 + Bluetooth 4.2 / none

WiFi 5 + Bluetooth 4.2 / none

WiFi 6 + Bluetooth 5.1 / none

Black

Black

Black

ATX desktop computer

ATX desktop computer

Mini-tower desktop computer

460 mm / 18.1"

620 mm / 24.4"

315.35 mm / 12.4"

440 mm / 17.3"

446 mm / 17.6"

376 mm / 14.8"

165 mm / 6.5"

200 mm / 7.87"

170 mm / 6.7"

24 kg / 52.91 lbs

37 kg / 81.6 lbs

9.38 kg / 20.68 lbs

High Definition (HD) Audio, Realtek ALC662 codec

High Definition (HD) Audio, Realtek ALC662 codec

High Definition (HD) Audio, Realtek ALC623 codec

Intel C422 chipset

Intel C621 chipset

Intel W480 chipset

NVIDIA NVS 810 4GB DDR3 / Quadro P400 2GB GDDR5 to P5000 16GB GDDR5X / Quadro RTX 4000 8GB GDDR6 to RTX 8000 48GB GDDR6 / Quadro GP100 16GB HBM2 / Quadro GV100 32GB HBM2

NVIDIA NVS 810 4GB DDR3 / Quadro P400 2GB GDDR5 to P6000 24GB GDDR5X / RTX 4000 8GB GDDR6 to RTX 8000 48GB GDDR6 / GP100 16GB HBM2 / GV100 32GB HBM26

Integrated Intel UHD Graphics 630 or P630 or up to 2x discrete NVIDIA Quadro P400 2GB GDDR4 (3x miniDP), P620 2GB GDDR5 (4x miniDP), P1000 4GB GDDR5 (4x miniDP), P2200 5GB GDDR5 (4x DP), RTX 4000 8GB GDDR6 (3x DP), or RTX 5000 16GB GDDR6 (4x DP)

Windows 10 Pro, Ubuntu, or none

Windows 10 Pro, Ubuntu, or none

Windows 10 Pro, Ubuntu, or none

10⁰ C to 35⁰ C

10⁰ C to 35⁰ C

10⁰ C to 35⁰ C

Optional 9mm optical drive (DVD-ROM, DVD±RW, or Blu-ray)

Optional 9mm optical drive (DVD-ROM, DVD±RW, or Blu-ray)

Optional 9mm optical drive (DVD-ROM, DVD±RW, or Blu-ray)

Intel Xeon W-2100 or W-2200 series processors (up to Xeon W-2295)

Up to 2x 205W Intel Xeon Scalable CPUs Bronze, Silver, Gold, or Platinum

10th-gen Intel Core i3-10100 to i9-10900K (full Comet Lake range) or Xeon W-1250 to W-1290P

Discrete TPM 2.0, TCG certified

Discrete TPM 2.0, TCG certified

Discrete TPM 2.0, TCG certified

8x DIMMs, up to 256GB DDR4-2666 w/ Xeon W-2100 series or up to 512GB DDR4-2933 w/ Xeon W-2200 series, 4 channels

16x DIMMs, up to 1TB DDR4-2666 LRDIMM / DDR4-2933 RDIMM or 512GB DDR4-2666 RDIMM, 12 channels (6 channels per CPU)

4x UDIMMs, up to 128 GB

DDR4 2666MHz or 2933MHz ECC

DDR4 2666MHz LRDIMM or RDIMM or 2933MHz RDIMM ECC

DDR4-2933 ECC or non-ECC

690W / 900W / 1000W 80 PLUS Platinum

1400 W 80 PLUS Platinum

300W 80 PLUS Gold or 500W 80 PLUS Platinum

Up to 9x M.2 PCIe SSD + 1x PCIe AIC SSD + 6x SATA HDD

Up to 9x M.2 PCIe SSD + 6x 3.5" / 10x 2.5" SATA HDD

Up to 4x M.2 PCIe SSD + 2x 3.5" SATA + 2x 2.5" SATA

2020

2020

2020