Dell Pro Slim Plus Desktop

Model: QBS1250
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£1,561.19
£1,300.99 excluding VAT @20%
Free Delivery
Get it now for as low as £65.05 over 24 months with 0% interest.
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2
Offer ID offer_605480
Base Configuration
Slim
Slim Plus
AI-ready performance in a space-saving design

A compact, high-performance AI-ready PC built for heavy workloads and tight spaces, with exceptional security and manageability for businesses.

Build your own
Intel® Core™ Ultra 5 235 (24 MB cache, 14 cores, 14 threads, 2.9 GHz to 5.0 GHz, 65W)
Intel® Core™ Ultra 7 265 (30 MB cache, 20 cores, 20 threads, 1.8 GHz to 5.3 GHz, 65W)
+ £211.20
Intel® Core™ Ultra 9 285 (36 MB cache, 24 cores, 24 threads, 1.9 GHz to 5.6 GHz, 65W)
+ £484.80
Intel® Core™ Ultra 5 235 (24 MB cache, 14 cores, 14 threads, 2.9 GHz to 5.0 GHz, 65W)
Selected
Intel® Core™ Ultra 5 245 (24 MB cache, 14 cores, 14 threads, 3.0 GHz to 5.1 GHz, 65W)
+ £87.60
Windows 11 Pro
Windows 11 Pro
Selected
English, Dutch, French, German, Italian
English, Dutch, French, German, Italian
Selected
Standard
Standard
Selected
16GB: 1 x 16 GB, DDR5, up to 5600 MT/s, non-ECC
128 GB: 4 x 32GB, DDR5, up to 4400 MT/s, non-ECC
+ £3,085.20
32 GB: 4 x 8 GB, DDR5, up to 5600 MT/s, ECC
+ £458.40
64 GB: 4 x 16 GB, DDR5, up to 5600 MT/s, non-ECC
+ £1,333.20
16GB: 1 x 16 GB, DDR5, up to 5600 MT/s, non-ECC
Selected
16GB: 2 x 8 GB, DDR5, up to 5600 MT/s, non-ECC
£0.00
32 GB: 1 x 32 GB, DDR5, up to 5600 MT/s, non-ECC
+ £458.40
64 GB: 2 x 32 GB, DDR5, up to 5600 MT/s
+ £1,333.20
32 GB: 2 x 16 GB, DDR5, up to 5600 MT/s, non-ECC
+ £458.40
8 GB: 1 x 8 GB, DDR5, up to 5600 MT/s
– £208.80
512 GB SSD Gen4x4 QLC
£262.80
+ £262.80
£262.80
+ £262.80
£270.00
Selected
£270.00
+ £270.00
£391.20
+ £391.20
£484.80
+ £484.80
£391.20
+ £391.20
£505.20
+ £505.20
£505.20
+ £505.20
£1,071.60
+ £1,071.60
£1,174.80
+ £1,174.80
£0.00
£0.00
Intel Integrated Graphics
Nvidia RTX A400, 4GB GDDR6, 4 mDP, LP
+ £184.80
Graphics AMD Radeon RX6300 Video 2 GB GDDR6
+ £147.60
Graphics AMD Radeon RX 7400 Video 8 GB GDDR6
+ £321.60
Intel Integrated Graphics
Selected
Internal speaker
None
Internal speaker
Selected
None
None
Selected
Intel® AX211 - Wireless 2230, 10 Mbps WiFi/WiMax Bluetooth, Add in, external antenna
+ £14.40
Intel® AX211 - Wireless 2230, 10 Mbps WiFi/WiMax Bluetooth, Add in, internal antenna
+ £14.40
Intel® Wi-Fi 7 BE200, 2x2, 802.11be, Bluetooth® wireless card, external antenna
+ £14.40
Intel® Wi-Fi 7 BE200, 2x2, 802.11be, Bluetooth® wireless card, internal antenna
+ £14.40
MediaTek Wi-Fi 6 MT7920, 2x2, 802.11ax, MU-MIMO, Bluetooth® wireless card, external antenna
+ £14.40
MediaTek Wi-Fi 6 MT7920, 2x2, 802.11ax, MU-MIMO, Bluetooth® wireless card, internal antenna
+ £14.40
Dell Pro Slim Plus QBS1250 with 260W PSU
Dell Pro Slim Plus QBS1250 with 260W PSU
Selected
Dell Pro Slim Plus QBS1250 with 360W PSU
+ £27.60
Dell Pro Slim Plus-XE5 QBS1250 with 360W PSU
+ £27.60
No Power Cord
No Power Cord
Selected
SERI for EMEA: ENG, FR, GER, ITL, DUT
SERI for EMEA: ENG, FR, GER, ITL, DUT
Selected
Regular - TurWarrantyTSH, Docu,Eng,Ara,Fre,Tur,Por
£0.00
Regular - ISRWarrTSH,Docu Eng,Ara,Fre,Tur,Por
£0.00
None
None
Selected
Watch Dog SRV
£0.00
None
None
Selected
Optional Serial Port
+ £12.00
None
None
Selected
Optional 5GbE LAN NIC
+ £21.60
Optional 5GbE Optical Fiber (Peer-to-Peer)
+ £157.20
Optional Thunderbolt 4 & USB 3.2 Gen 2 Type-C Port
+ £38.40
Optional HDMI 2.1 Port
+ £14.40
Optional USB Type-C with DisplayPort Alt mode
+ £21.60
Optional VGA Port
+ £16.80
Optional 2 x USB 3.2 Gen 2 Type-A Ports
+ £16.80
Optional DisplayPort 2.1, UHBR20, V2
+ £14.40
None
None
Selected
USB Type-C 3.2 PCIe Low Profile
+ £55.20
USB 3.2 - Ethernet PCIe Full Height, 3.2 Gbps (Low profile)
+ £39.60
Parallel Port PCIe Card Low Profile
+ £39.60
PS/2 and Serial port card (Low Profile)
+ £14.40
Accessory - ASSY,CRD,INTFC,HH,ZOOM,D11/P11
+ £21.60
Serial PCIe Card Low Profile
+ £21.60
None
None
Selected
Media Card Reader
+ £8.40
None
None
Selected
Network Adapter (NIC) i226 LP
+ £46.80
None
None
Selected
8x DVD-ROM 9.5mm ODD
+ £24.00
8x DVD+/-RW 9.5mm Optical Disk Drive
+ £24.00
ENERGY STAR Qualified
None
ENERGY STAR Qualified
Selected
Single Pack Packaging
Single Pack Packaging
Selected
Regular - LBL,REG,SF,H,260W,EMFP,ARGOS
Regular - LBL,REG,SF,H,260W,EMFP,ARGOS
Selected
None
None
Selected
TCO Certified Label
£0.00
Basic Hardware Service with Onsite Support After Remote Diagnosis
Basic Hardware Service with Onsite Support After Remote Diagnosis
Selected
No Keyboard Selected
No Keyboard Selected
Selected
No Mouse Selected
No Mouse Selected
Selected
None
None
Selected
Accessory - Vertical Stand, for HDD config only
+ £8.40
Intel vPro Management Disabled
None
Intel vPro Management Disabled
Selected
Intel® Standard Manageability
+ £13.20
Intel vPro Enterprise Technology Enabled
+ £13.20
None
None
Selected
2 TB, 7200 RPM, 3.5-inch, SATA, HDD
+ £1,071.60
4 TB, 5400 RPM, 3.5-inch, SATA, HDD
+ £430.80
None
None
Selected
RAID 10 for M 2 NVMe SSD
£0.00
RAID 0 for M 2 NVMe SSD
£0.00
RAID 1 for M 2 NVMe SSD
£0.00
RAID 5 for M 2 NVMe SSD
£0.00
EPEAT Silver with Climate+
None
EPEAT Gold with Climate+
£0.00
EPEAT Silver with Climate+
Selected
Power Cord, C13 to BS 1363 / SS145, 1.8 m, 250 V, 13 A, United Kingdom
None
Power Cord, C13 to BS 1363 / SS145, 1.8 m, 250 V, 13 A, United Kingdom
Selected
Dell Pro 5 Keyboard and Mouse - KM526 - English-UK (QWERTY) - Black
None
No Keyboard and Mouse Selected
– £45.59
Dell Pro 3 Wired Keyboard - KB216 - English International (QWERTY) - Black
– £25.90
Dell Pro Keyboard and Mouse - KM5221W - English International - White
– £9.33
Dell Pro Keyboard and Mouse - KM5221W - English-UK (QWERTY) - Black
– £9.33
Dell Pro Keyboard and Mouse - KM5221W - English-UK (QWERTY) - White
– £9.33
Dell Pro 5 Keyboard and Mouse - KM526 - English-UK (QWERTY) - Light Ash (Off White)
£0.00
Dell Pro 3 Smartcard Keyboard - KB813 - English International (QWERTY)
+ £10.37
Dell Pro 3 Wired Keyboard - KB216 - English-UK (QWERTY) - Grey
– £25.90
Dell Pro 3 Smartcard Keyboard - KB813 - English-UK (QWERTY)
+ £10.37
Dell Pro 3 Wired Keyboard - KB216 - English-International (QWERTY) - Grey
– £25.90
Dell Pro 5 Wired Silent Collaboration Keyboard - KB525C - English-UK (QWERTY)
– £4.14
Dell Pro 3 Wired Keyboard - KB216 - English International (QWERTY) - White
– £25.90
Dell Pro 3 Wired Keyboard - KB216 - English-UK (QWERTY) - White
– £25.90
Dell Pro Plus Keyboard and Mouse - KM7321W - English-UK (QWERTY)
+ £39.38
Dell Pro 5 Silent Compact Keyboard and Mouse - KM555 - English-UK (QWERTY)
+ £3.11
Dell Pro 5 Keyboard and Mouse - KM526 - English-UK (QWERTY) - Black
Selected
Dell Pro 5 Keyboard and Mouse - KM526 - English International (QWERTY) - Black
£0.00
Dell Pro 5 Keyboard and Mouse - KM526 - English International (QWERTY) - Light Ash (Off White)
£0.00
Dell Pro 3 Wired Keyboard - KB216 - English-UK (QWERTY) - Black
– £25.90
Dell Pro 5 Wired Silent Collaboration Keyboard - KB525C - English International (QWERTY)
– £4.14
Dell Pro 5 Silent Compact Keyboard and Mouse - KM555 - English International
+ £3.11
Dell Pro Plus Keyboard and Mouse - KM7321W - English International (QWERTY)
+ £39.38
Dell Pro Premium Collaboration Keyboard and Mouse - KM900 - English-UK (QWERTY)
+ £169.94
Dell Pro Premium Collaboration Keyboard and Mouse - KM900 - English International (QWERTY)
+ £169.94
Dell Pro 7 Slim Keyboard and Mouse - KM726 - English International (QWERTY)
+ £39.38
Dell Pro 7 Slim Keyboard and Mouse - KM726 - English-UK (QWERTY)
+ £39.38
Mouse Included with Keyboard combo / No Standalone Mouse selected
None
Dell Mouse - WM118
+ £10.37
Dell Pro 3 Wired Mouse - MS116 - Black
+ £11.40
Mouse Included with Keyboard combo / No Standalone Mouse selected
Selected
No Mouse Selected
£0.00
Dell Pro 3 Wired Mouse - MS116 - Grey
+ £11.40
Dell Pro 3 Wired Mouse - MS116 - White
+ £11.40
Dell Pro 5 Wired Fingerprint ESS Mouse - MS526C
+ £37.31
Dell Pro 5 Wired Mouse - MS3220 - Titan Gray
+ £21.76
Dell Pro 5 Wired Mouse - MS3220 - Black
+ £21.76
Commonly asked questions about tech specs

Tech Specs

  • Processor

    Intel® Core™ Ultra 5 235 (24 MB cache, 14 cores, 14 threads, 2.9 GHz to 5.0 GHz, 65W)

  • Operating System
    (Dell Technologies recommends Windows 11 Pro for business)

    Windows 11 Pro

  • Graphics Card

    Intel Integrated Graphics

  • Memory *

    16GB: 1 x 16 GB, DDR5, up to 5600 MT/s, non-ECC

  • Storage

    512 GB SSD Gen4x4 QLC

  • Intel Rapid Storage Technology

    IRST Driver

  • Energy Star

    ENERGY STAR Qualified

  • Microsoft Office

    Activate Your Microsoft 365 For A 30-Day Trial

  • Systems Management

    Intel vPro Management Disabled

  • Software System Management

    Dell Pro Slim Plus QBS1250

  • Operating System Languages

    English, Dutch, French, German, Italian

  • Hardware Support Services Upgrades

    ProSupport with Onsite Service After Remote Diagnosis

  • Base Warranty

    Basic Hardware Service with Onsite Support After Remote Diagnosis

  • Keyboard

    Dell Pro 5 Keyboard and Mouse - KM526 - English-UK (QWERTY) - Black

  • Keyboard

    No Keyboard Selected

  • Mouse

    Mouse Included with Keyboard combo / No Standalone Mouse selected

  • Mouse

    No Mouse Selected

  • Ports

    Front
    1 USB 2.0 (480 Mbps) port
    1 USB 2.0 (480 Mbps) port with PowerShare
    1 USB 3.2 Gen 2 (10 Gbps) port
    1 USB 3.2 Gen 2x2 (20 Gbps) Type-C® port
    1 global headset jack

    Rear
    2 USB 2.0 (480 Mbps) ports with SmartPower On
    3 USB 3.2 Gen 1 (5 Gbps) ports
    1 USB 3.2 Gen 2 (10 Gbps) port
    3 DisplayPort™ 1.4a (HBR3) ports
    1 RJ45 Ethernet port, 1GbE
    1 Serial port (optional)

    Rear (expansion, these are mutually exclusive options):
    1 VGA port (optional)
    1 HDMI 2.1 (FRL) port (optional)
    1 DisplayPort™ 2.1 (UHBR20) port (optional)
    2 USB 3.2 Gen 2 (10 Gbps) ports (optional)
    1 USB 3.2 Gen 2 (10 Gbps) Type-C® with DisplayPort™ Alt Mode port (optional)
    1 Thunderbolt™ 4 port + 1 Type-C Data only Gen2*1 10 Gbps port (optional)
    1 LC (5GbE) Fiber optic port (optional)
    1 RJ45 (5GbE) Ethernet port (optional)

  • Slots

    1 half-height Gen4 PCIe x16 slot
    1 half-height Gen3 PCIe x4 slot
    1 half-height Gen3 PCIe x1 slot
    1 M.2 2230 slot for Wi-Fi and Bluetooth combo card
    1 M.2 2230/2280 slot for solid state drive
    2 M.2 2230/2280 slots for solid state drives
    1 SATA 3.0 slot for 3.5-inch hard drive
    1 SATA 3.0 slot for slim optical drive
    1 SD-card 4.0 slot (optional)

  • Dimensions & Weight

    Height : 303.50 mm (11.95")
    Width: 95.00 mm (3.74")
    Depth: 293.00 mm (11.54")
    Weight (minimum): 3.98 kg (8.77 lb)
    Weight (maximum): 6.58 kg (14.51 lb)

  • Power Cord

    No Power Cord

  • Power Cord

    Power Cord, C13 to BS 1363 / SS145, 1.8 m, 250 V, 13 A, United Kingdom

  • Speaker

    Internal speaker

Reviews

Ratings & Reviews are provided by verified users through email, My Account, or at events.
What customers are saying
Customers praise the Dell Pro Slim Plus Desktop for its compact size, quiet operation, and fast performance that handles business and home tasks smoothly. A few customers report setup frustrations, such as missing HDMI ports, incorrect monitor cables, or occasional BitLocker and networking issues. Overall, most reviews highlight reliable, space‑saving machines with ample USB ports, while the minority note inconvenient port choices or support delays.
This AI-generated summary reflects customer review from the past two years and is updated weekly.
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