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Compare ThinkStation P520c Tower vs HP Z4 G4 [Secondary] vs HP Z6 G4 [Secondary]

Price

MSRP
1467 USD
1599 USD
3308 USD
Offers (incl. referral links)

Variants

Secondary
Secondary
Third

Capacity

Interior Volume
25 L

Connectivity

CPU Socket
FCLGA2066
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 + 3x via M.2 to PCIe adapter + 4x 3.5" (2 via Flex bay)
2x M.2 PCIe 3.0 x4 + 1x PCIe 3.0 x16
2x M.2 PCIe 3.0 x4 + 1x PCIe 3.0 x16
PCI Express
2x PCIe 3.0 x16 + 1x PCIe 3.0 x8 + 1x PCIe 3.0 x4
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] 2x 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 + 2x USB-C 3.1 Gen2 + 2x USB 3.1 Gen1
[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
Wireless Connectivity
WiFi 5 + Bluetooth 4.2 / none
WiFi 6 + Bluetooth 5

Construction

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

Dimensions

Size | Depth
426 mm / 16.77"
386 cm / 15.2 inch
18.3 inch
Size | Height
376 mm / 14.8"
445 mm / 17.5 inch
17.5 inch
Size | Width
175 mm / 6.89"
169 mm / 6.65 inch
6.65 inch
Weight
14.5 kg / 31.96 lbs
From 22.4 lbs / 10.2 kg
From 29 lbs

Function

Audio
High Definition (HD) Audio, Realtek ALC662 codec
Chipset
Intel C422 chipset
Intel C422 or X299
Intel C622
Graphics
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
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
AMD Radeon Pro WX 3100 4GB, WX 3200 4GB, W5500 8GB, W5700 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, or RTX 6000 24GB
Misc
Optional PCIe dual Gb or dual 10Gb Networking
Optional PCIe dual Gb or dual 10Gb Networking
Operating System
Windows 10 Pro, Ubuntu, or none
Windows 10 Pro
Windows 10 Pro
Operating Temperature
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 DVD-ROM, DVD-RW, or Blu-ray Writer + Optional 2nd DVD Writer or Blu-ray Writer
Processor
Intel Xeon W-2100 or W-2200 series processors (up to Xeon W-2195)
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
Intel Xeon Bronze, Silver, or Gold processor up to Xeon Gold 6258R
Security
Discrete TPM 2.0, TCG certified
HP Solenoid Lock/Hood Sensor (TWR), Convert TPM to 1.2
HP Solenoid Lock/Hood Sensor (TWR), Convert TPM to 1.2

Performance

Memory | Capacity
4x UDIMMs, up to 128GB DDR4-2666 w/ Xeon W-2100 series or up to 256GB DDR4-2933 w/ Xeon W-2200 series
Up to 512 GB with ECC (8x DIMMs)
Up to 768 GB with ECC (12x DIMMs)
Memory | Type
DDR4 2666MHz or 2933MHz ECC
DDR4 2666MHz or 2933MHz
DDR4 2666MHz or 2933MHz
Power Supply
500W 80 PLUS Platinum or 625W 80 PLUS Platinum
465W, 750W, or 1000W
1000 W
Storage
Up to 5x M.2 PCIe SSD + 4x SATA
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 256GB NVDIMM + 4x PCIe SSD + 2x M.2 SSD + 4x 3.5" HDD + Removable internal storage

Production

Debut
2020
2020
2020
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