Dell Pro Max Slim FCS1250 vs. Dell Pro Tower QCT1250

Comparison and Differences

Dell_Pro_Max_Slim_FCS1250.jpg case front and back pannelDell_Pro_Tower_QCT1250.jpg case front and back pannel
Model
Form factorSmallMini Tower
CPU optionsIntel Core Ultra 5/7/9Intel Gen 14 i3/i5/i7; Intel Core Ultra 5/7; Intel 300
ChipsetW880Q670/Q870
Dedicated GPU *NVIDIA RTX PRO 2000 BlackwellAMD Radeon RX 7400
RAMUDIMM DDR5-5600UDIMM DDR5-6400
RAM slots42
RAM speed5600 MT/s6400 MT/s
RAM max128 GB64 GB
USB ports(4x) USB-A 2.0; (3x) USB-A 3.0; USB-A 3.1; USB-C 3.1; USB-C 3.2(4x) USB-A 2.0; (3x) USB-A 3.0; (1x) USB-C 3.0;
Video portsDisplayPort 1.4a HBR3Display Port 1.4a; HDMI 2.1;
Other portsRJ45(1Gbps); Audio; SD-card 4.0RJ45(1Gbps); Audio;
Optional portsRJ45(5Gbps)/LC Fiber(5Gbps); (2x) USB-A 3.2 Gen2; USB-C 3.2 Gen2 DP Alt; Thunderbolt 4 + USB-C 3.2 Gen2; HDMI 2.1; VGA; DisplayPort 2.1 UHBR20HDMI 2.1/Displayport/VGA/USB-C; Serial;
SATA ports22
PCI slotsPCIe 4.0 x16; PCIe 3.0 x4; PCIe 3.0 x1PCIe x16; (2x) PCIe x1;
M.2 slotsM.2 2230/2280 (PCIe 4.0 x4, NVMe); M.2 2230/2280 (PCIe 4.0 x4, NVMe); M.2 2230 (PCIe 4.0 x4, NVMe); M.2 2230 (WiFi/BT)(1x) M.2 2230/2280 (PCIe 4.0 x4, NVMe); M.2 2230 (WiFi/BT)
Drive bays3.5in; M.2 2230; M.2 22803.5in; 5.25in (slim);
PSU260 /360 W 180/360 W
Weight6.11 kg (13.47 lb)6.78 kg (14.95 lb)
Released20252025
Manuallinklink
Price**Check PriceCheck Price

** As an Amazon associate we earn from qualifying purchases.
* Dedicated GPU warning: Check if your particular power supply model has enough power. Additionally some PSUs don't come with an auxiliary PCIe power connector and you may need to buy a SATA to PCIe power adapter.

Differences between Dell Pro Max Slim FCS1250 and Dell Pro Tower QCT1250

Both computers, the Dell Pro Max Slim FCS1250 and the Dell Pro Tower QCT1250, were released during the same year - 2025.

If you are looking for the smaller form factor the Dell Pro Max Slim FCS1250 is the right one for you. It is smaller than the Dell Pro Tower QCT1250 and will fit more easily under your desk.

Processor

The two models have the same generation of Intel processors. We think that the 16 generation of Intel Processors have enough power to execute all of the home and office tasks that most people will care to do.

Memory

The Dell Pro Max Slim FCS1250 has 4 RAM slots while the Dell Pro Tower QCT1250 has only 2 slot(s). This is not something to worry about. Just make sure you take it into consideration when planning how much RAM you are going to use.

The Dell Pro Tower QCT1250 is using the faster 6400 MT/s RAM. The Dell Pro Max Slim FCS1250 is slower by supporting RAM speeds of up to 5600 MT/s. Additionally, if you will be needing a lot of RAM, better go for the Dell Pro Max Slim FCS1250 as it has the ability to run 128 GB of RAM. The Dell Pro Tower QCT1250 can do a bit less at max 64 GB. Most of the times, this should be sufficient for the majority of users.

Ports

In total the Dell Pro Max Slim FCS1250 has 10 USB ports. The Dell Pro Tower QCT1250 is inferior in this regard and packs 8 USB ports. In any case, if you miss USB ports, you can always purchase a USB hub. None of the desktop models has a USB 3.1 port (10Gb/s), so if you need a fast connection to your peripherals, like external Solid State Drive, you will need to look elsewhere.

DisplayPort is crucial for any desktop machine. It is good to see that both models are featuring DisplayPorts. However, the Dell Pro Max Slim FCS1250 comes with 3 ports, while the Dell Pro Tower QCT1250 has only 1. If you are planning to use multiple monitors, the Dell Pro Max Slim FCS1250 is the better choice.

The Dell Pro Tower QCT1250 comes with an HDMI port, while the Dell Pro Max Slim FCS1250 does not support the interface. Of course missing HDMI port is something that can be easily fixed with a good adapter (e.g. DisplayPort to HDMI).

SATA slots are located on the motherboard and it is where SSD, HDD and Optical Disk Drives are connected. Each of the two models being compared have 2 SATA slot(s). Keep in mind that having too few SATA slots might limit your options for connecting additional memory drives.

An M.2 SSD can be several times faster than a SATA one. Thus, we are happy to see that both models support the M.2 interface. However, the Dell Pro Max Slim FCS1250 has 1 M.2 slots while the Dell Pro Tower QCT1250 comes with just 1.

Make sure that the available M.2 slot supports the PCIe (also called NVMe) interface. This is important as there are M.2 slots which support only the inferior SATA III interface. For comparison, the SATA III interface has max speeds of 6Gb/s, while the PCIe 3.0 x4 will support speeds up to 32Gb/s!

Power Supply

Looking at the Power Supply Unit (PSU) of the two models we don't see any differences. For either of them you get a maximum power of 360 Watts. However be careful, many models have more than one power supply option. When buying your computer, it is a good idea to get a version with the most powerful PSU. This will potentially allow you to upgrade to a more powerful GPU for example.

Motherboard

Dell_Pro_Max_Slim_FCS1250_motherboard.jpg motherboard layoutDell_Pro_Tower_QCT1250_motherboard.jpg motherboard layout