Compare HP Z4 G4 vs ThinkStation P620 vs ThinkStation P340 Tower

33 L

17 L

AMD SP3

FCLGA1200

2x M.2 PCIe 3.0 x4 + 1x PCIe 3.0 x16

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 + 9x via M.2 to PCIe adapter + 5x 3.5" (3 optional, 1 via Flex bay)

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

4x PCIe 4.0 x16 + 2x PCIe 4.0 x8

2x PCIe 3.0 x16 + 1x PCIe 3.0 x1

[Front] 2x Audio + 2x PS/2 + 1x Serial + 2x RJ-45 1Gb + 6x USB 3.1 Gen1 | [Rear] 1x Headphone + 2x USB-C 3.1 Gen2 + 2x USB 3.1 Gen1

[Front] 4x USB 3.2 Gen2 + 2x USB 2.0 + 2x PS/2 + 1x RJ45 (10Gbps) + 1x Microphone + 1x Line-in + 1x Line-out + 2x optional serial | [Rear] 2x USB-C 3.2 Gen2 + 2x USB 3.2 Gen2 + 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 6 + Bluetooth 5

WiFi 5 + Bluetooth 5.1 / none

WiFi 6 + Bluetooth 5.1 / none

Black

Black

ATX desktop computer

ATX desktop computer

Mini-tower desktop computer

386 cm / 15.2 inch

460 mm / 18.1"

315.35 mm / 12.4"

445 mm / 17.5 inch

446 mm / 17.6"

376 mm / 14.8"

169 mm / 6.65 inch

165 mm / 6.5"

170 mm / 6.7"

From 22.4 lbs / 10.2 kg

24 kg / 52.91 lbs

9.38 kg / 20.68 lbs

High Definition (HD) Audio, Realtek ALC662 codec

High Definition (HD) Audio, Realtek ALC623 codec

Intel C422 or X299

AMD WRX80

Intel W480 chipset

AMD Radeon Pro WX 3100 4GB, WX 3200 4GB, W 5500 8GB, W 5700 8GB, WX 7100 8GB, or WX 9100 16GB or NVIDIA Quadro P400 2GB, P620 2GB, P1000 4GB, P2200 5GB, RTX 4000 8GB, RTX 5000 16GB, RTX 6000 24GB, RTX 8000 48GB, or GV100 32GB

NVIDIA Quadro P620 2GB GDDR5 to P2200 5GB GDDR5 / RTX 4000 8GB GDDR6 to RTX 8000 48GB GDDR6 / GV100 32GB HBM2 / RTX A6000 48GB 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)

Optional PCIe dual Gb or dual 10Gb Networking

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 DVD Writer or 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)

Intel Core i9-10900X, i9-10920X, i9-10940X, or i9-10980XE or Intel Xeon W-2123, W-2223, W-2125, W-2225, W-2235, W-2133, W-2245, W-2255, W-2265, W-2275, or W-2295

AMD Ryzen Threadripper PRO 3945WX, 3955WX, 3975WX, or 3995WX

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

HP Solenoid Lock/Hood Sensor (TWR), Convert TPM to 1.2

Discrete TPM 2.0, TCG certified

Discrete TPM 2.0, TCG certified

Up to 512 GB with ECC (8x DIMMs)

8x DIMMs, up to 1TB, 8 channels

4x UDIMMs, up to 128 GB

DDR4 2666MHz or 2933MHz

DDR4 3200MHz ECC

DDR4-2933 ECC or non-ECC

465W, 750W, or 1000W

1000W 80 PLUS Platinum

300W 80 PLUS Gold or 500W 80 PLUS Platinum

Up to 480GB Intel Optane PCIe SSD + 4x PCIe internal storage + 2x M.2 storage + 4x 3.5" HDD/SSD + Removable internal storage

Up to 11x M.2 PCIe SSD + 5x SATA HDD

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

2020

2020

2020