Compare ThinkStation P920 vs ThinkStation P350 Tower vs HP Z4 G4

55 L

17 L

2x FCLGA3647

FCLGA1200

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" + 4x 2.5"

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

5x PCIe 3.0 x16 + 3x PCIe 3.0 x4

1x PCIe 4 x16 + 1x PCIe 3 x1 + 1x PCIe 3 x4

[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] 4x USB 3.2 Gen1 + 1x RJ45 (1Gbps) + 2x Serial + 1x 3.5mm line-out + 1x Thunderbolt 4 + 2x PS/2 + 1x HDMI | [Rear] 1x USB-C 3.2 Gen2 + 2x USB 3.2 Gen2 + 2x USB 3.2 Gen1 + 1x Audio combo + 1x Microphone + 1x optional SD card reader

[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

WiFi 5 + Bluetooth 4.2 / none

WiFi 6 + Bluetooth 5.0

WiFi 6 + Bluetooth 5

Black

Black

ATX desktop computer

Mini-tower desktop computer

ATX desktop computer

620 mm / 24.4"

315.4 mm / 12.4"

386 cm / 15.2 inch

446 mm / 17.6"

376 mm / 14.8"

445 mm / 17.5 inch

200 mm / 7.87"

170 mm / 6.7"

169 mm / 6.65 inch

37 kg / 81.6 lbs

9.4 kg / 20.7 lbs

From 22.4 lbs / 10.2 kg

High Definition (HD) Audio, Realtek ALC662 codec

High Definition (HD) Audio, Realtek ALC623 codec

Intel C621 chipset

Intel W580 chipset

Intel C422 or X299

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

Up to NVIDIA RTX 5000 16GB

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

Optional PCIe dual Gb or dual 10Gb Networking

Windows 10 Pro, Ubuntu, or none

Windows 10, Ubuntu Linux, or Red Hat Enterprise Linux

Windows 10 Pro

10⁰ C to 35⁰ C

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

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

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

11th-gen Intel Xeon W-1390P or Core up to i9-11900K

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

Discrete TPM 2.0, TCG certified

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

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

Up to 512 GB with ECC (8x DIMMs)

DDR4 2666MHz LRDIMM or RDIMM or 2933MHz RDIMM ECC

DDR4 3200MHz ECC or non-ECC

DDR4 2666MHz or 2933MHz

1400 W 80 PLUS Platinum

500W or 750W

465W, 750W, or 1000W

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

Up to 3x M.2 PCIe 4 NVMe SSD + 2x 3.5" SATA + 4x 2.5" SATA

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

2020

2021-07-12

2020