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Compare ThinkStation P520 vs HP Z6 G4 [Secondary] vs ThinkStation P620

Price

MSRP
1600 USD
3308 USD
1937 USD
Offers (incl. referral links)

Variants

Secondary
Third

Capacity

Interior Volume
33 L
33 L

Connectivity

CPU Socket
FCLGA2066
AMD SP3
Expansion 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 + 7x via M.2 to PCIe adapter + 6x 3.5" (4 via Flex bay)
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)
PCI Express
2x PCIe 3.0 x16 + 1x PCIe 3.0 x8 + 2x PCIe 3.0 x4 + 1x PCI
4x PCIe 4.0 x16 + 2x PCIe 4.0 x8
Ports
[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] 2x Audio + 2x PS/2 + 1x Serial + 2x RJ-45 1Gb + 6x USB 3.1 Gen1 | [Rear] 1x Headphone + 4x 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
Wireless Connectivity
WiFi 5 + Bluetooth 4.2 / none
WiFi 5 + Bluetooth 5.1 / none

Construction

Colors
Black
Black
Form Factor
ATX desktop computer
EATX desktop computer
ATX desktop computer

Dimensions

Size | Depth
460 mm / 18.1"
18.3 inch
460 mm / 18.1"
Size | Height
440 mm / 17.3"
17.5 inch
446 mm / 17.6"
Size | Width
165 mm / 6.5"
6.65 inch
165 mm / 6.5"
Weight
24 kg / 52.91 lbs
From 29 lbs
24 kg / 52.91 lbs

Function

Audio
High Definition (HD) Audio, Realtek ALC662 codec
High Definition (HD) Audio, Realtek ALC662 codec
Chipset
Intel C422 chipset
Intel C622
AMD WRX80
Graphics
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
AMD Radeon Pro WX 3100 4GB, WX 3200 4GB, W 5500 8GB, W 5700 8GB, or WX 7100 8GB or NVIDIA Quadro P400 2GB, P620 2GB, P1000 4GB, RTX 4000 8GB
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
Misc
Optional PCIe dual Gb or dual 10Gb Networking
Operating System
Windows 10 Pro, Ubuntu, or none
Windows 10 Pro
Windows 10 Pro, Ubuntu, or none
Operating Temperature
10⁰ C to 35⁰ C
10⁰ C to 35⁰ C
Optical Disc
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
Optional 9mm optical drive (DVD-ROM, DVD±RW, or Blu-ray)
Processor
Intel Xeon W-2100 or W-2200 series processors (up to Xeon W-2295)
Intel Xeon Bronze, Silver, or Gold processor up to Xeon Gold 6244
AMD Ryzen Threadripper PRO 3945WX, 3955WX, 3975WX, or 3995WX
Security
Discrete TPM 2.0, TCG certified
HP Solenoid Lock/Hood Sensor (TWR), Convert TPM to 1.2
Discrete TPM 2.0, TCG certified

Performance

Memory | Capacity
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
Up to 768 GB with ECC (12x DIMMs)
8x DIMMs, up to 1TB, 8 channels
Memory | Type
DDR4 2666MHz or 2933MHz ECC
DDR4 2666MHz or 2933MHz
DDR4 3200MHz ECC
Power Supply
690W / 900W / 1000W 80 PLUS Platinum
1000 W
1000W 80 PLUS Platinum
Storage
Up to 9x M.2 PCIe SSD + 1x PCIe AIC SSD + 6x SATA HDD
Up to 256GB NVDIMM + 4x PCIe SSD + 2x M.2 SSD + 4x 3.5" HDD + Removable internal storage
Up to 11x M.2 PCIe SSD + 5x SATA HDD

Production

Debut
2020
2020
2020
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