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Black ATX mid-tower case with tempered glass side panel and front intake grill

Cooler Master

Cooler Master E502-KGNN-SAZ PC case

SKU CH-77T2-PTJT3 MPN E502-KGNN-SAZ

ATX mid-tower case with tempered glass side panel supports E-ATX motherboards, 360 mm graphics cards, 170 mm CPU coolers and includes three pre-installed 120 mm aRGB PWM fans

  • Max graphics card length360 mm
  • Housing materialSteel / Tempered Glass
  • Supported motherboard sizesATX / E-ATX / ITX / Micro ATX
  • Dust filteringBottom / Front / Top
  • 3.5-inch internal bays2
  • 2.5-inch internal bays2
  • Roomy interior fits ATX, E-ATX, Micro-ATX and ITX boards
  • GPU clearance up to 410 mm supports RTX 5090 and RX 9070 XT
  • Seven fan mounts plus 360 mm top radiator space for high airflow
  • CPU cooler height 170 mm and PSU length 170 mm for flexible builds
  • USB Type-C port on the I/O panel for modern connectivity

Minimalist ATX Mid Tower

The Cooler Master Elite 502 is a black steel and tempered glass ATX mid tower built for a clean, minimalist setup. It supports ATX, E-ATX, Micro ATX and ITX motherboards and includes dust filters on the bottom, front and top panels. Two 3.5-inch and two 2.5-inch internal drive bays provide storage flexibility.

410mm GPU clearance

The case fits graphics cards up to 410mm long, covering models such as the RTX 5090 and RX 9070 XT. A large intake grill feeds unrestricted airflow to the three pre-installed 120mm aRGB PWM fans at the front and one at the rear. Top mounts accept three more 120mm fans or a 360mm radiator.

Builders needing maximum radiator length

The top panel supports a 360mm all-in-one cooler, while CPU air coolers up to 170mm and power supplies up to 170mm also fit. Seven expansion slots give room for full-length cards. Buyers who want more than two 3.5-inch bays or a longer PSU allowance should look at something else.

How it compares

Measured against everything we stock in Tower & Desktop PC Cases, at today’s prices. Recalculated every night.

Price $86.99
Cheaper than about 58% of the 1,468 comparable items (median $100.99).
Max graphics card length 360 mm
Lower than about 70% of the 894 comparable items (median 400 mm).

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Specifications

Product
Brand nameCooler Master
Model nameE502-KGNN-SAZ
Product typeATX Mid Tower
Product colorBlack
Storage
3.5-inch internal bays2
2.5-inch internal bays2
Ports & slots
Expansion card slots7
Size & build
Max graphics card length360 mm
Housing materialSteel / Tempered Glass
Dust filteringBottom / Front / Top
Fan mounting optionsFront - 3 × 120 mm / Rear - 1 × 120 mm / Top - 3 × 120 mm
Shipping weight9.25 kg
Package size559 × 554 × 318 mm
Compatibility
Supported motherboard sizesATX / E-ATX / ITX / Micro ATX
CPU cooler height limit170 mm
PSU length limit170 mm

Questions about this item

Does the 410 mm GPU clearance in the highlights match the 360 mm limit in the specs?

The specification sheet lists a maximum GPU length of 360 mm, so plan for cards up to that size.

What front-panel USB standard does the Type-C port use?

The I/O panel includes a USB Type-C connector; the exact USB generation is not detailed in the supplied data.

How much room is there behind the motherboard tray for a 3.5″ drive cage?

Two internal 3.5″ bays are provided, and the ventilated PSU shroud leaves space for cable routing around them.

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