Compare HP Z2 G5 vs ThinkStation P520c Tower vs ThinkStation P520

25 L

33 L

FCLGA2066

FCLGA2066

3x M.2 + 1x PCIe 3.0 x16 + 2x PCIe 3.0 x1 + 1x PCIe 3.0 x4 (x16 slot)

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 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)

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

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

[Front] 2x USB 2.0 + 2x USB 3.2 Gen2 + 2x USB 3.2 Gen1 + 1x DisplayPort 1.4 + 2x Audio + 1x RJ45 | [Rear] 2x USB 3.2 Gen1 + 2x USB 3.2 Gen2 + 5-in-1 SD card reader + 1x Audio combo

[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] 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

WiFi 6 + Bluetooth 5

WiFi 5 + Bluetooth 4.2 / none

WiFi 5 + Bluetooth 4.2 / none

Black

Black

ATX desktop computer

ATX desktop computer

ATX desktop computer

2.0W internal mono speaker

356 cm / 14 inch

426 mm / 16.77"

460 mm / 18.1"

385 mm / 15.2 inch

376 mm / 14.8"

440 mm / 17.3"

169 mm / 6.7 inch

175 mm / 6.89"

165 mm / 6.5"

From 15.43 lbs

14.5 kg / 31.96 lbs

24 kg / 52.91 lbs

Realtek ALC3205-VA2-CG

High Definition (HD) Audio, Realtek ALC662 codec

High Definition (HD) Audio, Realtek ALC662 codec

Intel Q470 (vPro)

Intel C422 chipset

Intel C422 chipset

AMD Radeon Pro WX 3200 4GB, W5500 8GB, or W5700 8GB or NVIDIA Quadro P400 2GB, P620 2GB, P1000 4GB, P2200 5GB, RTX 4000 8GB, RTX 5000 16GB, or RTX 6000 24GB

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

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

Windows 10 Pro

Windows 10 Pro, Ubuntu, or none

Windows 10 Pro, Ubuntu, or none

10⁰ C to 35⁰ C

10⁰ C to 35⁰ C

Optional DVD-ROM, DVD-RW, or Blu-ray Writer + Optional 2nd Blu-ray Writer

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

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

From Intel Core i3-10100 to Core i9-10850K or From Xeon W-1250P to Xeon W-1290P

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

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

Discrete TPM 2.0, TCG certified

Discrete TPM 2.0, TCG certified

Up to 128 GB with ECC (4x DIMMs)

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

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

DDR4 3200MHz

DDR4 2666MHz or 2933MHz ECC

DDR4 2666MHz or 2933MHz ECC

350W Platinum (92%), 500W Gold (90%), or 700W Platinum (92%)

500W 80 PLUS Platinum or 625W 80 PLUS Platinum

690W / 900W / 1000W 80 PLUS Platinum

3x M.2 + 1x 2.5" HDD + 2x 3.5" HDD bays

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

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

2020

2020

2020