Cooler Master MasterBox E300L + 420W Power Supply - Silver Trim
The MasterBox E300L silver mini‑tower delivers a clean steel‑plastic design with a single 120 mm front fan, dual‑channel RAM, two 3.5″ HDD bays and one 2.5″ SSD bay, plus USB‑C and a Kensington lock for secure builds.
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| Brand | Cooler Master |
| EAN | 4719512071373 |
| ASIN | B07C2KNP2Q |
| Model | MCB-E300L-KN5N-B02 |
| MPN | MCB-E300L-KN5N-B02 |
| SKU | MCB-E300L-KN5N-B02 |
| 80plus rated | No |
| ATX | No |
| Audio input | Yes |
| Audio output | Yes |
| Built-in card reader | No |
| Case colour | Black with Silver Trim |
| Case form factor | Mid Tower |
| Case type | Tower |
| Colour | Silver |
| Cooler height | 148 mm |
| Cooling System | Front: Supports 1 x 80mm, 90mm or 120mm fan (120mm fan included)Rear: Supports 1 x 80mm or 90mm fan |
| Depth | 448 mm |
| Display model in showroom | No |
| E-ATX | No |
| E-sata | No |
| Expansion slots | 4 x Full Height |
| Firewire | No |
| Form factor | Mid Tower Case |
| Form Factor | Mini Tower |
| Front audio type | Separate |
| Front HDMI | No |
| GPU Length | 353 mm |
| Headphone ports | 1 x 3.5mm Jack |
| Height | 364 mm |
| Internal 2.5 Bay | 3 |
| Internal 3.5 Bay | 2 |
| Internal expansion bays | 3 x 2.5"2 x 3.5" |
| ITX | No |
| LED fan | No LED |
| LED indicators | Yes |
| LED Status Indicators | PowerHDD Activity |
| Material | SteelPlastic |
| Maximum graphics card length | 36.3 cm |
| Maximum motherboard size supported | Micro-ATX |
| Micro-ATX | Yes |
| Motherboard compatibility | MicroATXMini-ITX |
| On/off button | Yes |
| Optimised for | Business |
| Package depth | 420 mm |
| Package Height | 523 mm |
| Package width | 245 mm |
| Power supply | ATX Power Supply supported |
| Power supply included | No |
| Power supply location | Top |
| PSU Depth | 160 mm |
| PSU Form Factor | ATX |
| Reset button | Yes |
| Side panel type | Solid |
| Side window | No |
| Suitable for | Home/Office |
| Supported HDD sizes | 2.5,3.5,5.25" |
| Type | PC |
| USB 3.0 Support | Yes |
| USB Ports | 2 x USB 3.0 |
| USB Type-C Support | No |
| User controls | PowerReset |
| Weight | 3.98 kg |
| Width | 180 mm |
| XL-ATX | No |
