Compare HP Z1 G6 vs ThinkStation P340 SFF vs ThinkStation P620
Capacity
Interior Volume
8.2 L
33 L
Connectivity
CPU Socket
FCLGA1200
AMD SP3
Expansion Slot
3x M.2 + 1x PCIe 3.0 x16 + 2x PCIe 3.0 x1 + 1x PCIe 3.0 x4 (x16 slot)
2x M.2 onboard + 2x via M.2 to PCIe adapter +1x 3.5" + 2x 2.5"
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 x1
4x PCIe 4.0 x16 + 2x PCIe 4.0 x8
Ports
[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] 1x USB-C 3.2 Gen1 + 2x USB 3.2 Gen2 + 2x USB 3.2 Gen1 + 1x Audio combo + 1x Microphone + 1x optional SD card reader | [Rear] 2x DisplayPort + 1x optional video (DP/HDMI/USB-C) + 2x USB 3.2 Gen1 + 2x USB 2.0 + 1x RJ45 (1Gbps) + 1x serial + 1x 3.5mm
[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 6 + Bluetooth 5.1 / none
WiFi 5 + Bluetooth 5.1 / none
Construction
Colors
Black
Black
Form Factor
ATX desktop computer
Small form factor desktop computer
ATX desktop computer
Dimensions
Size | Depth
308 cm
309.7 mm / 12.2"
460 mm / 18.1"
Size | Height
370 mm
339.5 mm / 13.4"
446 mm / 17.6"
Size | Width
168 mm
92.5 mm / 3.6"
165 mm / 6.5"
Weight
9.86 kg
5.65 kg / 12.46 lbs
24 kg / 52.91 lbs
Function
Audio
Conexant CX20632 codec
High Definition (HD) Audio, Realtek ALC623 codec
High Definition (HD) Audio, Realtek ALC662 codec
Chipset
Intel Q470 (vPro)
Intel W480 chipset
AMD WRX80
Graphics
NVIDIA GeForce RTX 2080 8GB
Integrated Intel UHD Graphics 630 or P630 or up to 2x discrete NVIDIA Quadro P400 2GB GDDR4 (3x miniDP), P620 2GB GDDR5 (4x miniDP), or P1000 4GB GDDR5 (4x miniDP)
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
Operating System
Windows 10 Pro
Windows 10, Ubuntu, or none
Windows 10 Pro, Ubuntu, or none
Operating Temperature
10⁰ C to 35⁰ C
10⁰ C to 35⁰ C
Optical Disc
Optional
Optional 9mm optical drive (DVD-ROM, DVD±RW, or Blu-ray)
Optional 9mm optical drive (DVD-ROM, DVD±RW, or Blu-ray)
Processor
Intel Core i7-10700K or i9-10900
10th-gen Intel Core i3-10100 to i9-10900 (full Comet Lake standard range) or Xeon W-1250, W-1270, or W-1290
AMD Ryzen Threadripper PRO 3945WX, 3955WX, 3975WX, or 3995WX
Security
Discrete TPM 2.0, TCG certified
Discrete TPM 2.0, TCG certified
Performance
Memory | Capacity
32 GB (4x DIMMs)
4x DIMMs, up to 128 GB
8x DIMMs, up to 1TB, 8 channels
Memory | Type
DDR4 2666MHz
DDR4-2933 ECC or non-ECC
DDR4 3200MHz ECC
Power Supply
310 or 380 W, 92% efficient
1000W 80 PLUS Platinum
Storage
1 TB PCIe NVMe SSD + (1x 2.5" HDD + 2x 3.5" HDD bays)
Up to 4x M.2 PCIe SSD + 1x 3.5" SATA + 1x 2.5" SATA
Up to 11x M.2 PCIe SSD + 5x SATA HDD
Production
Debut
2020
2020
2020
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