Dell Dell Pro Slim Plus (QBS1250)
Dell's 2025+ higher-end slim business desktop (successor to the OptiPlex/Precision SFF line), built around Intel Core Ultra 200-series ('Arrow Lake') processors on the Intel Q870 chipset, with an SD-card reader, triple DisplayPort out, and discrete GPU options up to the NVIDIA RTX A400.
Memory
- Slots
- Four UDIMM slots
- Type
- DDR5
- Speed
- Up to 4400, 4800 or 5600 MT/s depending on module count/size
- Minimum
- 8 GB
- Maximum
- 128 GB
- Per-slot sizes
- 8 GB, 16 GB, or 32 GB
- Configurations
- Single- or dual-channel; up to 4 x 32 GB (128 GB) at 4400 MT/s
Storage
- 3.5" HDD
- SATA AHCI up to 6 Gbps, up to 4 TB
- M.2 2230 QLC SSD (Class 25)
- PCIe Gen4x4 NVMe up to 64 GT/s, up to 512 GB
- M.2 2230 TLC SSD (Class 35)
- PCIe Gen4x4 NVMe up to 64 GT/s, up to 1 TB
- M.2 2280 self-encrypting Opal 2.0 SSD (Class 40)
- PCIe Gen4x4 NVMe up to 64 GT/s, up to 2 TB
- Optical
- 9.5 mm 8x slimline DVD-RW (optional), SATA AHCI up to 1.5 Gbps
- Capacity
- Up to 3 x M.2 2230 drives, or up to 2 x M.2 2280 drives
- Primary drive
- M.2 solid-state drive
Graphics
- Integrated
- Intel Graphics, shared system memory (Intel Core Ultra 5/7/9)
- Discrete option 1
- AMD Radeon RX 6300, 2 GB GDDR6
- Discrete option 2
- AMD Radeon RX 7400, 8 GB GDDR6 (not supported on the Pro Slim Plus XE5)
- Discrete option 3
- NVIDIA RTX A400, 4 GB GDDR6
Expansion
- M.2
- 1 x M.2 2230 slot (WiFi/Bluetooth combo card); 1 x M.2 2230 slot (SSD); 2 x M.2 2230/2280 slots (SSD)
- SATA
- 1 x SATA 3.0 (3.5" HDD); 1 x SATA 3.0 (slimline optical drive)
- PCIe
- 1 x half-height Gen4 PCIe x16; 1 x half-height Gen3 PCIe x4; 1 x half-height Gen3 PCIe x1
Networking
- Ethernet
- Intel i219-LM, 10/100/1000 Mbps
- Wi-Fi option 1
- Intel Wi-Fi 6E AX211, up to 2400 Mbps, 2.4/5/6 GHz, Bluetooth 5.3
- Wi-Fi option 2
- Intel Wi-Fi 7 BE200, up to 5760 Mbps, 2.4/5/6 GHz, Bluetooth 5.4
- Wi-Fi option 3
- MediaTek Wi-Fi 6 MT7920, up to 1200 Mbps, 2.4/5/6 GHz, Bluetooth 5.2
- Optional rear network module
- RJ45 Ethernet (5 Gbps), or fiber-optic port (5 Gbps, peer-to-peer)
Power
- Option 1
- 260 W internal PSU, 80 PLUS Bronze, 90-264 VAC
- Option 2
- 360 W internal PSU, 80 PLUS Platinum, 90-264 VAC
Ports
- Front
- 1 x USB 2.0; 1 x USB 2.0 with PowerShare; 1 x USB 3.2 Gen 2x2 (20 Gbps) Type-C; 1 x USB 3.2 Gen 2 (10 Gbps); 1 x global headset jack; 1 x optional SD-card 4.0 slot; optional slim optical drive
- Rear
- 3 x DisplayPort 1.4a (HBR3); 1 x USB 3.2 Gen 2 (10 Gbps) Type-C; 3 x USB 3.2 Gen 1 (5 Gbps); 2 x USB 2.0 with SmartPower On; 1 x power-cable connector; padlock ring; Kensington security-cable slot; optional legacy serial port; optional remote power connector (XE5, 360 W PSU only)
- Optional rear module (mutually exclusive)
- RJ45 (5 Gbps) or fiber-optic (5 Gbps) network port; 2 x USB 3.2 Gen 2 (10 Gbps); USB 3.2 Gen 2 Type-C with DisplayPort Alt Mode; HDMI 2.1 (FRL); VGA; DisplayPort 2.1 (UHBR20); Thunderbolt 4 (40 Gbps) + USB 3.2 Gen 2 Type-C
Physical
- Dimensions
- 303.50 x 95 x 293 mm (11.95 x 3.74 x 11.54 in.), H x W x D
- Weight
- 3.98 kg (8.77 lb) minimum - 6.58 kg (14.51 lb) maximum
Management
- Physical security
- Chassis intrusion switch; chassis lock slot support; Kensington security-cable slot; padlock ring; lockable cable covers
- Data protection
- TPM 2.0; Microsoft Windows BitLocker; self-encrypting drives (Opal, FIPS); local hard-drive data wipe via BIOS (Secure Erase)
- Advanced security
- Intel Authenticate; Intel Secure Boot; Dell SafeID with TPM 2.0; FIPS smart card keyboard; Microsoft Windows 10/11 Device Guard and Credential Guard (Enterprise SKU); Dell SafeBIOS (Off-host BIOS Verification, BIOS Resilience, BIOS Recovery); supply chain tamper alerts
Operating systems
- Windows
- Windows 11 Home; Windows 11 Pro; Windows 11 Pro National Education
- Linux
- Ubuntu Linux 24.04 LTS
Processors
- Intel Core Ultra 5 225
- Intel Core Ultra 5 235
- Intel Core Ultra 5 245
- Intel Core Ultra 7 265
- Intel Core Ultra 9 285