Compare ThinkStation P520c Tower vs ThinkStation P340 Tower

25 L

17 L

FCLGA2066

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 + 3x via M.2 to PCIe adapter + 4x 3.5" (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 + 1x 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] 2x USB-C 3.1 Gen1 + 1x Headphone + 1x Microphone + 1x 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 6 + Bluetooth 5.1 / none

Black

Black

ATX desktop computer

Mini-tower desktop computer

426 mm / 16.77"

315.35 mm / 12.4"

376 mm / 14.8"

376 mm / 14.8"

175 mm / 6.89"

170 mm / 6.7"

14.5 kg / 31.96 lbs

9.38 kg / 20.68 lbs

High Definition (HD) Audio, Realtek ALC662 codec

High Definition (HD) Audio, Realtek ALC623 codec

Intel C422 chipset

Intel W480 chipset

NVIDIA NVS 810 4GB DDR3 or Quadro P400 2GB GDDR5, P600 2GB GDDR5, P620 2GB GDDR5, P1000 4GB GDDR5, P2000 5GB GDDR5, P2200 5GB GDDR5, P4000 8GB GDDR5, P5000 16GB GDDR5X, RTX 4000 8GB GDDR6, or RTX 5000 16GB GDDR6

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

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)

Intel Xeon W-2100 or W-2200 series processors (up to Xeon W-2195)

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

4x UDIMMs, up to 128GB DDR4-2666 w/ Xeon W-2100 series or up to 256GB DDR4-2933 w/ Xeon W-2200 series

4x UDIMMs, up to 128 GB

DDR4 2666MHz or 2933MHz ECC

DDR4-2933 ECC or non-ECC

500W 80 PLUS Platinum or 625W 80 PLUS Platinum

300W 80 PLUS Gold or 500W 80 PLUS Platinum

Up to 5x M.2 PCIe SSD + 4x SATA

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

2020

2020