Compare ThinkStation P920 vs ThinkStation P520
Capacity
Interior Volume
55 L
33 L
Connectivity
CPU Socket
2x FCLGA3647
FCLGA2066
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)
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)
PCI Express
5x PCIe 3.0 x16 + 3x PCIe 3.0 x4
2x PCIe 3.0 x16 + 1x PCIe 3.0 x8 + 2x PCIe 3.0 x4 + 1x PCI
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] 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
Wireless Connectivity
WiFi 5 + Bluetooth 4.2 / none
WiFi 5 + Bluetooth 4.2 / none
Construction
Colors
Black
Black
Form Factor
ATX desktop computer
ATX desktop computer
Dimensions
Size | Depth
620 mm / 24.4"
460 mm / 18.1"
Size | Height
446 mm / 17.6"
440 mm / 17.3"
Size | Width
200 mm / 7.87"
165 mm / 6.5"
Weight
37 kg / 81.6 lbs
24 kg / 52.91 lbs
Function
Audio
High Definition (HD) Audio, Realtek ALC662 codec
High Definition (HD) Audio, Realtek ALC662 codec
Chipset
Intel C621 chipset
Intel C422 chipset
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 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
Operating System
Windows 10 Pro, Ubuntu, or none
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 9mm optical drive (DVD-ROM, DVD±RW, or Blu-ray)
Processor
Up to 2x 205W Intel Xeon Scalable CPUs Bronze, Silver, Gold, or Platinum
Intel Xeon W-2100 or W-2200 series processors (up to Xeon W-2295)
Security
Discrete TPM 2.0, TCG certified
Discrete TPM 2.0, TCG certified
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)
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
Memory | Type
DDR4 2666MHz LRDIMM or RDIMM or 2933MHz RDIMM ECC
DDR4 2666MHz or 2933MHz ECC
Power Supply
1400 W 80 PLUS Platinum
690W / 900W / 1000W 80 PLUS Platinum
Storage
Up to 9x M.2 PCIe SSD + 6x 3.5" / 10x 2.5" SATA HDD
Up to 9x M.2 PCIe SSD + 1x PCIe AIC SSD + 6x SATA HDD
Production
Debut
2020
2020
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