Dell Pro Slim Desktop

Model: QCS1255
€1,565.79
€1,273.00 excluding VAT
1
Offer ID qcs1255_reg_01
Performance and expandability in a space-saving design.

A compact, high-performance PC built for heavy workloads and tight spaces, with exceptional security and manageability for businesses. Featuring Copilot+ PC options for AI-enhanced productivity.

Build your own
AMD Ryzen™ 3 8300G (4 cores, up to 4.9GHz)
AMD Ryzen™ 3 8300G (4 cores, up to 4.9GHz)
Selected
AMD Ryzen™ 3 PRO 8300G (4 cores, up to 4.9GHz)
+ €7.38
AMD Ryzen™ 5 8500G (6 cores, up to 5.0GHz)
+ €17.22
AMD Ryzen™ 5 8600G (16 TOPS NPU, 6 cores, up to 5.0GHz)
+ €28.29
AMD Ryzen™ 5 PRO 8500G (6 cores, up to 5.0GHz)
+ €43.05
AMD Ryzen™ 5 PRO 8600G (16 TOPS NPU, 6 cores, up to 5.0GHz)
+ €73.80
AMD Ryzen™ 7 8700G (16 TOPS NPU, 8 cores, up to 5.1GHz)
+ €124.23
AMD Ryzen™ 7 PRO 8700G (16 TOPS NPU, 8 cores, up to 5.1GHz)
+ €153.75
AMD Ryzen™ AI 5 435G (50 TOPs NPU, 6 cores, up to 4.5GHz)
+ €163.59
AMD Ryzen™ AI 5 PRO 435G (50 TOPs NPU, 6 cores, up to 4.5GHz)
+ €212.79
AMD Ryzen™ AI 5 440G (50 TOPS NPU, 6 cores, up to 4.8GHz)
+ €179.58
AMD Ryzen™ AI 5 PRO 440G (50 TOPS NPU, 6 cores, up to 4.8GHz)
+ €199.26
AMD Ryzen™ AI 7 450G (50 TOPS NPU, 8 cores, up to 5.1GHz)
+ €302.58
AMD Ryzen™ AI 7 PRO 450G (50 TOPS NPU, 8 cores, up to 5.1GHz)
+ €329.64
Windows 11 Pro
Windows 11 Pro
Selected
English, Dutch, French, German, Italian
English, Dutch, French, German, Italian
Selected
16 GB: 1 x 16 GB, DDR5, up to 5600 MT/s
8GB: 1 x 8GB, DDR5, up to 5600 MT/s
– €247.23
16 GB 2 x 8 GB DDR5 up to 4800 MT/s non ECC
€0.00
16 GB: 1 x 16 GB, DDR5, up to 5600 MT/s
Selected
32 GB: 2 x 16 GB, DDR5, up to 4800 MT/s, non-ECC
+ €543.66
32 GB 1 x 32 GB DDR5 up to 4800 MT/s non ECC
+ €543.66
64 GB 2 x 32 GB DDR5 4800MT/s
+ €1,583.01
512 GB SSD Gen4x4 QLC
€312.42 /ea.
+ €312.42
€319.80 /ea.
+ €319.80
€319.80 /ea.
Selected
€221.40 /ea.
+ €221.40
€575.64 /ea.
+ €575.64
Integrated Graphics
Integrated Graphics
Selected
NVIDIA RTX A400, 4 GB GDDR6, half height, 4 mDP to DP
+ €184.50
None
None
Selected
MediaTek Wi-Fi 6 MT7920, 2x2, 802.11ax, MU-MIMO, Bluetooth® wireless card, external antenna
+ €17.22
MediaTek Wi-Fi 6 MT7920, 2x2, 802.11ax, MU-MIMO, Bluetooth® wireless card, internal antenna
+ €17.22
MediaTek Wi-Fi 7 MT7925, 2x2, 802.11be, MU-MIMO, Bluetooth® wireless card, external antenna
+ €22.14
MediaTek Wi-Fi 7 MT7925, 2x2, 802.11be, MU-MIMO, Bluetooth® wireless card, internal antenna
+ €22.14
Dell Pro Slim QCS1255 with 180W PSU
Dell Pro Slim QCS1255 with 180W PSU
Selected
Dell Pro Slim QCS1255 with 360W PSU
+ €27.06
No Keyboard Selected
No Keyboard Selected
Selected
No Mouse Selected
No Mouse Selected
Selected
ENERGY STAR Qualified
None
ENERGY STAR Qualified
Selected
No Power Cord
System Power Cord C13 (Italian)
€0.00
No Power Cord
Selected
None
None
Selected
8x DVD+/-RW 9.5mm Optical Disk Drive
+ €28.29
8x DVD-ROM 9.5mm ODD
+ €28.29
EPEAT Silver with Climate+
None
EPEAT Gold with Climate+
€0.00
EPEAT Silver with Climate+
Selected
Intrusion cable switch
Intrusion cable switch
Selected
Internal speaker
None
Internal speaker
Selected
None
None
Selected
PS/2 and Serial port card (Low Profile)
+ €17.22
Mechanical - USB Type-C 3.1 & 3.2 PCIe Low Profile
+ €56.58
USB 3.2 - Ethernet PCIe Full Height, 3.2 Gbps (Low profile)
+ €46.74
Serial PCIe Card Low Profile
+ €25.83
Parallel Port PCIe Card Low Profile
+ €28.29
None
None
Selected
Network Adapter (NIC) i226 LP
+ €54.12
None
None
Selected
Optional HDMI 2.1 Port
+ €17.22
Optional USB Type-C with DisplayPort Alt mode
+ €25.83
Optional VGA Port
+ €19.68
Optional 2 x USB 3.2 Gen 2 Type-A Ports
+ €19.68
Optional DisplayPort 2.1, UHBR20, V2
+ €17.22
None
None
Selected
Optional Serial Port
+ €13.53
Regular - SERI for EMEA 2 : English, French, German, Italian, Dutch
Regular - SERI for EMEA 2 : English, French, German, Italian, Dutch
Selected
Single Pack Shipping Material
Single Pack Shipping Material
Selected
None
None
Selected
Assy,Bezel - Dust filter
+ €27.06
Regular - LBL,REG,180W,EMFP,QCS1255,V2
Regular - LBL,REG,180W,EMFP,QCS1255,V2
Selected
None
None
Selected
CUSTOM Add in, Back-End, CUSTOM
+ €24.60
Basic Hardware Service with Onsite Support After Remote Diagnosis
Basic Hardware Service with Onsite Support After Remote Diagnosis
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
Power Cord, STRAIGHT to C13, 1.8 m, 250 V, 10 A, United Kingdom, Black
+ €6.15
Power Cord, C13 to CEE 7/7, 1.8 m, 250 V, 10 A, Europe
€0.00
Dell Pro 5 Keyboard and Mouse - KM526 - English-UK (QWERTY) - Black
None
No Keyboard and Mouse Selected
– €54.12
Dell Pro 3 Wired Keyboard - KB216 - English International (QWERTY) - Black
– €30.75
Dell Pro Keyboard and Mouse - KM5221W - English International - White
– €11.07
Dell Pro Keyboard and Mouse - KM5221W - English-UK (QWERTY) - Black
– €11.07
Dell Pro Keyboard and Mouse - KM5221W - English-UK (QWERTY) - White
– €11.07
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)
+ €12.30
Dell Pro 3 Wired Keyboard - KB216 - English-UK (QWERTY) - Grey
– €30.75
Dell Pro 3 Smartcard Keyboard - KB813 - English-UK (QWERTY)
+ €12.30
Dell Pro 3 Wired Keyboard - KB216 - English-International (QWERTY) - Grey
– €30.75
Dell Pro 5 Wired Silent Collaboration Keyboard - KB525C - English-UK (QWERTY)
– €4.92
Dell Pro 3 Wired Keyboard - KB216 - English International (QWERTY) - White
– €30.75
Dell Pro 3 Wired Keyboard - KB216 - English-UK (QWERTY) - White
– €30.75
Dell Pro 5 Silent Compact Keyboard and Mouse - KM555 - English-UK (QWERTY)
+ €3.69
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
– €30.75
Dell Pro 5 Wired Silent Collaboration Keyboard - KB525C - English International (QWERTY)
– €4.92
Dell Pro 5 Silent Compact Keyboard and Mouse - KM555 - English International
+ €3.69
Dell Pro 7 Slim Keyboard and Mouse - KM726 - English International (QWERTY)
+ €46.74
Dell Pro 7 Slim Keyboard and Mouse - KM726 - English-UK (QWERTY)
+ €46.74
Mouse Included with Keyboard combo / No Standalone Mouse selected
None
Dell Pro 3 Wired Mouse - MS116 - Black
+ €13.53
Mouse Included with Keyboard combo / No Standalone Mouse selected
Selected
No Mouse Selected
€0.00
Dell Pro 3 Wired Mouse - MS116 - Grey
+ €13.53
Dell Pro 3 Wired Mouse - MS116 - White
+ €13.53
Dell Pro 5 Wired Mouse - MS3220 - Titan Gray
+ €25.83
Dell Pro 5 Wired Mouse - MS3220 - Black
+ €25.83
Commonly asked questions about tech specs

Tech Specs

  • Processor

    AMD Ryzen™ 3 8300G (4 cores, up to 4.9GHz)

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

    Windows 11 Pro

  • Graphics Card

    Integrated Graphics

  • Memory *

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

  • Storage

    512 GB SSD Gen4x4 QLC

  • Operating System Languages

    English, Dutch, French, German, Italian

  • Microsoft Office

    Activate Your Microsoft 365 For A 30-Day Trial

  • Energy Star

    ENERGY STAR Qualified

  • 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:
    2 USB 2.0 (480 Mbps) with PowerShare ports
    1 USB 3.2 Gen 1 (5 Gbps) Type-C® port
    1 USB 3.2 Gen 1 (5 Gbps) port
    1 universal audio port

    Rear
    2 USB 2.0 (480 Mbps) ports
    2 USB 3.2 Gen 1 (5 Gbps) ports
    1 RJ45 Ethernet port, 1GbE
    1 HDMI 2.1 (TMDS) port
    1 DisplayPort™ 1.4a (HBR3) port

    Rear (expansion, these are mutually exclusive options):
    1 VGA port (optional)
    1 HDMI 2.1 (FRL) port (optional)
    1 DisplayPort™ 1.4a (HBR3) port (optional)
    1 serial 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)

  • Slots

    1 half-height Gen4 PCIe x16 slot (Wired as x8)
    2 half-height Gen3 PCIe x1 slots
    1 M.2 2230 slot for Wi-Fi and Bluetooth combo card
    1 M.2 2230/2280 slot for solid state drive
    1 SATA 3.0 slots for 3.5-inch hard drive
    1 SATA 3.0 slots for slim optical drive
    1 security-cable slot (for a Kensington lock)
    1 padlock ring

  • Dimensions & Weight

    Height: 303.50 mm (11.95 in.)
    Width: 95.00 mm (3.74 in.)
    Depth: 293.00 mm (11.54 in.)
    Weight (minimum): 3.90 kg (8.61 lb)
    Weight (maximum): 5.89 kg (12.99 lb)

  • Power Cord

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

  • Power Cord

    No Power Cord

  • Speaker

    Internal speaker

Reviews

Ratings & Reviews are provided by verified users through email, My Account, or at events.
What customers are saying
The Dell Pro Slim Desktop is praised for its quick setup, compact footprint, and reliable performance handling detailed projects and multitasking. A few customers report issues such as unresponsive mouse hardware and missing optical drives, leading to returns and frustration with support. Overall, most customers describe the machine as fast, quiet, and well‑suited for office or home use, citing easy installation and consistent operation as key benefits.
This AI-generated summary reflects customer review from the past two years and is updated weekly.
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