Seasonic Arch Q503 Mid Tower Case with CONNECT DGC-750 Gold PSU
Seasonic Arch Q503 Mid Tower Case with CONNECT DGC-750 Gold PSU, photo 2
Seasonic Arch Q503 Mid Tower Case with CONNECT DGC-750 Gold PSU, photo 3
Seasonic Arch Q503 Mid Tower Case with CONNECT DGC-750 Gold PSU, photo 4
Seasonic Arch Q503 Mid Tower Case with CONNECT DGC-750 Gold PSU, photo 5
Seasonic Arch Q503 Mid Tower Case with CONNECT DGC-750 Gold PSU, photo 6
Seasonic Arch Q503 Mid Tower Case with CONNECT DGC-750 Gold PSU, photo 7
Seasonic Arch Q503 Mid Tower Case with CONNECT DGC-750 Gold PSU, photo 8
Seasonic

Seasonic Arch Q503 Mid Tower Case with CONNECT DGC-750 Gold PSU

SKU HC-410313MPN ARCH Q503 + CONNECT DGC-750 Gold

  • Mid tower
  • GPU up to 380 mm
  • Cooler up to 165 mm

Highlights

  • Includes Seasonic CONNECT DGC-750 Gold ATX power supply
  • Tempered glass side panel with steel and plastic construction
  • Supports graphics cards up to 380 mm and CPU coolers up to 165 mm
  • Fits up to 360 mm radiator and eight 120 mm fans total
  • Top I/O panel with USB 3.1 Type-C and two USB 3.0 Type-A ports
  • Three 120 mm fans included; dust filters provided

Key specs

Size
Mid tower
Motherboard support
ATX, Micro-ATX, Mini-ITX
Window side panel
No
Built-in display
No
Fans included
Yes
Color
Black
All specifications
$179.99
  • ≈ 0.002357 BTC
  • ≈ 0.07947 ETH
  • ≈ 180.21 USDT

In stock Ships by Tue, Nov 10 when paid today.

  • Delivery to the United States: $89.80 DHL Express Worldwide · arrives Wed, Nov 11 – Mon, Nov 16 if paid today
  • Rate locked at checkout Up to 60 min to send BTC, 30 min for ETH and USDT
  • New, sealed and genuine Full manufacturer warranty
  • 30-day returns Unused items in original packaging
Pay with BTCETHUSDTTRC20USDTERC20

Overview

A black tempered glass mid tower bundled with a Seasonic CONNECT DGC-750 Gold power supply. Fits ATX motherboards, long graphics cards, and extensive water cooling.

Design and Build

The case uses steel, plastic, and a tempered glass side panel in black with a transparent window. It measures 448 mm deep, 215 mm wide, and 482 mm tall, weighing 11.6 kg. The power supply mounts at the rear bottom. Cable management features and dust filters are included.

Component Compatibility

Accepts ATX, Micro-ATX, and Mini-ITX motherboards. Maximum graphics card length is 380 mm and CPU cooler height is 165 mm. The power supply bay fits units up to 230 mm deep. Drive capacity includes three 2.5-inch and three 3.5-inch internal bays.

Cooling Potential

Supports up to eight 120 mm fans. Radiator compatibility covers one 360 mm, one 280 mm, and one 120 mm unit simultaneously. Three 120 mm fans are pre-installed. No RGB lighting or control is present.

Front Panel Connectivity

The top-mounted I/O provides one USB 3.1 Gen 1 Type-C port and two USB 3.0 Type-A ports. Audio includes a combined 3.5 mm headset jack (TRRS) and a separate 3.5 mm output jack (TRS). No card reader is included.

Arch Q503 Mid Tower Case with CONNECT DGC-750 Gold PSU specifications

General
BrandSeasonic
Manufacturer part no.ARCH Q503 + CONNECT DGC-750 Gold
EAN4711173877219
Case
Case TypeMid Tower
Motherboard Support
Compatible Motherboard FormatsATX, Micro-ATX, Mini-ITX
Max. Motherboard FormatATX
Internal Dimensions
Max. CPU Cooler Height165 mm
Max. GPU Length380 mm
Max. PSU Length / Depth230 mm
Power Supply
PSU includedNo
PSU FormatATX
Power Supply Positionrear bottom
Fan Support
120 mm fans6
Radiator Support
Max. Radiator Compatibility1x Dual (280 mm), 1x Single (120 mm), 1x Triple (360 mm)
Drive Bays
2.5 inch internal drive bay3
3.5 inch internal drive bay3
Hot swap drive baysNo
External Ports
USB 3.1 (external) Type C1
USB 3.0 (external) Type A2
Audio outputs & inputs1x output / input comb. (3.5 mm jack, 4-pin, TRRS) + 1x output (3.5 mm jack, 3-pin, TRS)
Case Features
I/O positionTop
Side panelclosed
Front doorNo
Cable ManagementYes
Filters IncludedYes
Noise dampeningNo
Mainboard slide / trayNo
Remote includedNo
Transport SystemNo
Features
Housing FeedthroughNo
Connectivity
Card readerNo
Display
Display IncludedNo
Lighting
Lighting / RGBNo
Fan / RGB controlNo
Color
Primary ColorBlack
Secondary ColorTransparent
Fan Main Color (Frame)Black
Materials
MaterialsPlastic, Steel, Tempered Glass
Dimensions
Length / Depth448 mm
Width215 mm
Height482 mm
Weight11.6 kg
Additional Contents
Included fans3x 120 mm

Specifications come from the manufacturer and can change without notice. Check the box contents and compatibility before ordering; our team answers questions within one business day.

Shipping & returns

Delivery to the United States: $89.80DHL Express Worldwide · arrives Wed, Nov 11 – Mon, Nov 16 if paid today

Ships from our warehouse in Germany: in stock, it leaves within 1–2 business days, tracked to the door.
ToBusiness daysThis item
GermanyDHL Paket1–2Free
Other EU countriesDHL Parcel International2–8$11.90–$15.90
UK, Switzerland and NorwayDHL Parcel International3–7$39.80
United States and CanadaDHL Express Worldwide2–5$89.80
Asia and the Middle EastDHL Express Worldwide2–5$119.80
Australia and New ZealandDHL Express Worldwide3–6$139.80
  • Discreet packaging Plain, unbranded box — no crypto or brand references outside
  • Returns 30 days for unused items in original packaging; faulty items are on us
Rates and delivery times by country

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