Compare ThinkStation P920 vs HP Z1 G6 vs HP Z4 G4
Capacity
Interior Volume
55 L
Connectivity
CPU Socket
2x FCLGA3647
Expansion Slot
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)
3x M.2 + 1x PCIe 3.0 x16 + 2x PCIe 3.0 x1 + 1x PCIe 3.0 x4 (x16 slot)
2x M.2 PCIe 3.0 x4 + 1x PCIe 3.0 x16
PCI Express
5x PCIe 3.0 x16 + 3x PCIe 3.0 x4
Ports
[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] 2x USB 2.0 + 2x USB 3.2 Gen2 + 2x USB 3.2 Gen1 + 1x DisplayPort 1.4 + 1x Audio + 1x RJ45 | [Rear] 2x USB 3.2 Gen1 + 1x USB-C 3.2 Gen2 + 2x USB 3.2 Gen2 + 5-in-1 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
Wireless Connectivity
WiFi 5 + Bluetooth 4.2 / none
WiFi 6 + Bluetooth 5
Construction
Colors
Black
Form Factor
ATX desktop computer
ATX desktop computer
ATX desktop computer
Dimensions
Size | Depth
620 mm / 24.4"
308 cm
386 cm / 15.2 inch
Size | Height
446 mm / 17.6"
370 mm
445 mm / 17.5 inch
Size | Width
200 mm / 7.87"
168 mm
169 mm / 6.65 inch
Weight
37 kg / 81.6 lbs
9.86 kg
From 22.4 lbs / 10.2 kg
Function
Audio
High Definition (HD) Audio, Realtek ALC662 codec
Conexant CX20632 codec
Chipset
Intel C621 chipset
Intel Q470 (vPro)
Intel C422 or X299
Graphics
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
NVIDIA GeForce RTX 2080 8GB
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
Misc
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
Optional DVD-ROM, DVD-RW, or Blu-ray Writer + Optional 2nd DVD Writer or Blu-ray Writer
Processor
Up to 2x 205W Intel Xeon Scalable CPUs Bronze, Silver, Gold, or Platinum
Intel Core i7-10700K or i9-10900
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
Security
Discrete TPM 2.0, TCG certified
HP Solenoid Lock/Hood Sensor (TWR), Convert TPM to 1.2
Performance
Memory | Capacity
16x DIMMs, up to 1TB DDR4-2666 LRDIMM / DDR4-2933 RDIMM or 512GB DDR4-2666 RDIMM, 12 channels (6 channels per CPU)
32 GB (4x DIMMs)
Up to 512 GB with ECC (8x DIMMs)
Memory | Type
DDR4 2666MHz LRDIMM or RDIMM or 2933MHz RDIMM ECC
DDR4 2666MHz
DDR4 2666MHz or 2933MHz
Power Supply
1400 W 80 PLUS Platinum
465W, 750W, or 1000W
Storage
Up to 9x M.2 PCIe SSD + 6x 3.5" / 10x 2.5" SATA HDD
1 TB PCIe NVMe SSD + (1x 2.5" HDD + 2x 3.5" HDD bays)
Up to 480GB Intel Optane PCIe SSD + 4x PCIe internal storage + 2x M.2 storage + 4x 3.5" HDD/SSD + Removable internal storage
Production
Debut
2020
2020
2020
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