Tech Spec Spec it right!

Dell Dell Pro Slim (QCS1250)

Dell's small-form-factor business desktop in the 2025+ Dell Pro line, the next-generation OptiPlex SFF successor, spanning Intel Core/Core i entry chips up to Intel Core Ultra 200 Series (Series 2) with room for a discrete GPU and optical drive.

Memory

Slots
Two UDIMM slots
Type
DDR5, up to 4800 MT/s (Intel 300/i3-14100/i5-14500 vPro), 5600 MT/s (i5-14600 vPro/i7-14700 vPro), or 6400 MT/s (Core Ultra 5/7), single- or dual-channel
Max
64 GB (2 × 32 GB)
Min
8 GB (1 × 8 GB)

Storage

Bays
1 x 3.5" hard drive bay, 1 x slim 9.5 mm 8x DVD-RW bay (optional)
M.2
1 x M.2 2230 slot for solid-state drive
Options
3.5" HDD up to 2 TB; M.2 2230 QLC or TLC PCIe NVMe SSD up to 1 TB

Graphics

Integrated
Intel UHD Graphics 710/730 (Intel 300/Core i3–i7) or Intel UHD Graphics 770 (Core Ultra 5/7), shared system memory
Discrete
Optional half-height add-in card: AMD Radeon RX 6300 (2 GB GDDR6), AMD Radeon RX 7400 (8 GB GDDR6), or NVIDIA RTX A400 (4 GB GDDR6)

Expansion

Slots
1 x half-height PCIe Gen3 x16, 2 x half-height PCIe Gen3 x1

Networking

Ethernet
1 x RJ45, 1 GbE
Wireless
Optional Wi-Fi 6E / Bluetooth module (M.2 2230)

Power

PSU
180 W internal PSU, 80 PLUS Bronze (1 x 4-pin CPU, 1 x 8-pin system board connector)
PSU (optional)
360 W internal PSU, 80 PLUS Platinum (2 x 4-pin CPU, 1 x 8-pin system board, 1 x 8-pin GPU connector)
Power cord
C13, 2 m, 125 V, 13 A (US)

Ports

Front
2 x USB 2.0 (480 Mbps)
Front
1 x USB 3.2 Gen 1 (5 Gbps)
Front
1 x USB 3.2 Gen 1 (5 Gbps) Type-C
Front
1 x global headset jack
Rear
2 x USB 2.0 (480 Mbps) with SmartPower On
Rear
2 x USB 3.2 Gen 1 (5 Gbps)
Rear
1 x DisplayPort 1.4a (HBR2, Intel 300/Core i3–i7) or DisplayPort 1.4a (HBR3, Core Ultra 5/7)
Rear
1 x HDMI 2.1 (TMDS)
Rear
1 x RJ45 Ethernet (1 Gbps)
Rear
1 x power-cable connector
Rear
1 x optional serial port
Optional module
2 x USB 3.2 Gen 2 (10 Gbps) or 1 x USB 3.2 Gen 2 (10 Gbps) Type-C with DisplayPort Alt Mode, plus one video port — HDMI 2.1 TMDS, VGA, or DisplayPort 1.4a HBR3 (Intel 300/Core i3–i7) or HDMI 2.1 FRL, VGA, or DisplayPort 2.1 UHBR20 (Core Ultra 5/7) — mutually exclusive, one slot
Security
1 x Kensington security-cable slot, 1 x padlock ring

Physical

Dimensions
Height: 303.50 mm (11.95 in.); Width: 95 mm (3.74 in.); Depth: 293 mm (11.54 in.)
Weight
3.90 kg (8.61 lb) minimum – 5.89 kg (12.99 lb) maximum, configuration-dependent

Management

Hardware security
TPM 2.0, chassis intrusion switch, chassis lock slot, lockable cable covers, Kensington slot, padlock ring, self-encrypting drive (Opal/FIPS) option, BitLocker, SafeBIOS, SafeID, smart-card FIPS keyboard option

Operating systems

OS
Windows 11 Home, Windows 11 Pro, Windows 11 Pro National Education, or Ubuntu Linux 24.04 LTS

Processors

  • Intel Processor 300
  • Intel Core i3-14100
  • Intel Core i5-14500 vPro
  • Intel Core i5-14600 vPro
  • Intel Core i7-14700 vPro
  • Intel Core Ultra 5 235
  • Intel Core Ultra 5 245
  • Intel Core Ultra 7 265