Dell Pro Slim+ QBS1250 Core Ultra 5 235 3.4GHz 16GB 512GB SSD DVD+RW GbE W11P

16GB (1x16GB) 5600MHz non-ECC DDR5 SDRAM, upgradeable to 128GB.

There are four UDIMM slots. One is occupied by a removable 16GB module; the other slots are open.

Memory notes:
Memory speeds of 4400/4800/5600MHz are supported but cannot be intermixed

Maximum memory supported per slot: 8/16/32GB

Only DDR5 is supported

Video memory: shared system memory with integrated Intel graphics.

Genuine Windows 11 Pro is pre-installed.

Expansion slots:
(1) PCIe 4.0 x16, HH
(1) PCIe 3.0 x4, HH
(1) PCIe 3.0 x1, HH

(2) M.2 2230 (for WiFi/Bluetooth combo or SSD)

Expansion bays:
(1) 3.5" SATA 3.0 drive bay
(1) Slimline optical (empty by default; see product name to determine if this bay is pre-configured or empty)

I/O:
Front:
(1) SD 4.0 card slot (not installed by default; on select models only)

(1) 3.5mm audio (global)

(2) USB 2.0 (1 with PowerShare; 480Mbps)

(1) USB 3.2 Gen2x2 Type-C (20Gbps)

(1) USB 3.2 Gen2 (10Gbps)

Back:

(1) DIsplayPort 1.4a (HBR3)
(1) USB 3.2 Gen2 Type-C (10Gbps)
(3) USB 3.2 Gen1 (5Gbps)
(2) USB 2.0 (480Mbps, with SmartPower On)
(1) Padlock ring
(1) RJ-45 LAN (GbE)
(1) Security cable slot (for Kensington lock)
(1) Configurable port slot [empty by default, supports (1) of the following: HDMI 2.1 (FRL), DisplayPort 2.1 (UHBR20), VGA, USB 3.2 Gen2 Type-C w/DisplayPort alt-mode (10Gbps), 2xUSB 3.2 Gen2 (10Gbps), Thunderbolt 4.0 (40Gbps) w/1xUSB 3.2 Gen2 Type-C (10Gbps), RJ-45 LAN (5Gbps), Fiber optic port (5Gbps, peer-to-peer)]

(1) Legacy serial port (not installed by default; on select models only)
(1) Power in

**See product name to determine which, if any, configurable port slots are pre-installed. If none are listed that means the slot is empty.**

260W power supply