SKU: 51313452861

In Win BM639 Computer Case

Sale price$95.77 Regular price$106.41
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Description

In Win BM639 Computer CaseThe In Win BM639 Computer Case is a compact, versatile chassis designed for space conscious builds without sacrificing essential features. Built to support Mini ITX and Mini DTX motherboards, the BM639 combines a sleek, modern silhouette with practical drive and expansion options, making it ideal for small form factor (SFF) desktops, home theaters PCs, or compact workstation setups. With a built in 160 W power supply, it delivers reliable power for

The In Win BM639 Computer Case is a compact, versatile chassis designed for space-conscious builds without sacrificing essential features. Built to support Mini ITX and Mini DTX motherboards, the BM639 combines a sleek, modern silhouette with practical drive and expansion options, making it ideal for small form factor (SFF) desktops, home theaters PCs, or compact workstation setups. With a built-in 160 W power supply, it delivers reliable power for compact configurations while leaving room for efficient cooling and quiet operation. Choose between the classic black or crisp white finish to complement your setup and express your style while keeping temperatures in check and performance within reach.

  • Compact, space-saving design: The BM639 is a small form factor chassis crafted to fit Mini ITX and Mini DTX motherboards, making it a perfect choice for desks, living rooms, dorm rooms, or offices where space is at a premium.
  • Integrated power supply: A 160 W power supply is installed in the BM639, enabling compact systems to run reliably without the need for a bulky or separate PSU. This feature is ideal for energy-efficient builds with low-power components.
  • Flexible drive and bay configuration: The case provides a balanced combination of external and internal bays: 1 external 5.25" bay for optical drives or compatible devices, 1 internal 3.5" bay for larger hard drives, and 1 internal 2.5" bay for modern SSDs, offering versatile storage options in a small footprint.
  • Cooling and front I/O options: Supports up to 2 fans to help maintain stable temperatures in a compact enclosure, combined with accessible front I/O that includes 2 USB ports and 1 x audio in plus 1 x audio out for convenient connections to peripherals and headsets.
  • Color and aesthetics: Available in classic black and clean white finishes, the BM639 presents a modern appearance that blends seamlessly with contemporary setups while maintaining a minimal, understated look.

Technical Details of In Win BM639 Computer Case

  • Supported motherboard form factors: Mini ITX, Mini DTX
  • Power supply: 160 W power supply installed
  • Drive bays: 1 x external 5.25" bay, 1 x internal 3.5" bay, 1 x internal 2.5" bay
  • Expansion slots: 2 x slots
  • Cooling: Supports up to 2 x fans
  • Front I/O: 2 x USB ports, 1 x Audio In, 1 x Audio Out
  • Color options: Black, White
  • Overall design: Small form factor chassis engineered for compact builds with efficient layout

how to install In Win BM639 Computer Case

  • Unpack the BM639 and ensure you have the case, all mounting hardware, and your components ready. Confirm that your motherboard is compatible with Mini ITX or Mini DTX and that your cooling solution will fit within the compact interior.
  • Place the BM639 on a clean, stable surface and disconnect power. Note that the case comes with a 160 W power supply already installed, so plan your component selection to remain within the available power budget for a stable system.
  • Install the motherboard by aligning it with the case’s mounting points. Secure the Mini ITX or Mini DTX motherboard using the appropriate screws, taking care not to over-tighten and avoiding short circuits.
  • Install storage drives: use the internal 3.5" bay for a traditional hard drive and the internal 2.5" bay for a solid-state drive. If you need to pair drives, ensure cables and clearance do not obstruct airflow or plug access.
  • Connect the front panel USB and audio cables to the corresponding headers on the motherboard. Follow your motherboard’s manual for exact header locations and pin assignments to guarantee proper functionality.
  • Mount the power supply connections, but remember the BM639 already includes a 160 W PSU. Connect the main 24-pin motherboard power, plus any required 8-pin CPU power, while keeping cables tidy to maximize airflow in the compact space.
  • Organize cables to minimize clutter and improve airflow. Use available routing areas to tuck cables away from fans and the motherboard tray to reduce obstructions and noise.
  • Verify all connections, double-check that no cables are pinched, and reseat any components if necessary. Close the case, secure all screws, and perform a first boot to enter your BIOS and configure boot order, fan curves, and any case sensors if supported by your hardware.
  • Install your operating system and drivers, then monitor temperatures during initial use to ensure the cooling solution maintains safe levels in this compact chassis. If temperatures climb, revisit cable management and consider adjusting fan speed profiles for better cooling without excessive noise.
  • Regularly inspect the interior for dust buildup and clean with a soft brush or compressed air as needed to maintain airflow. A clean interior helps sustain performance and longevity for your compact BM639 build.

Frequently asked questions

  • Q: What motherboards does the BM639 support? A: It supports Mini ITX and Mini DTX motherboard form factors, making it suitable for small, efficient builds without compromising essential features.
  • Q: How many bays does the BM639 provide? A: The case includes 1 external 5.25" bay, 1 internal 3.5" bay, and 1 internal 2.5" bay, offering practical storage options in a compact footprint.
  • Q: Is there a power supply in the BM639? A: Yes, the BM639 comes with a 160 W power supply installed, designed to support modest, energy-efficient configurations.
  • Q: How many USB ports are available on the front? A: The BM639 features 2 front USB ports along with 1 x audio in and 1 x audio out for easy peripheral connections.
  • Q: Can I add more fans to improve cooling? A: The case supports up to 2 fans, allowing you to tailor cooling performance to your components while keeping noise levels reasonable in a small enclosure.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 51313452861

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4.6 ★★★★★
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Product Reviews
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Verified Purchase
Plant ecology
Lake Worth, US
★★★★★ 5
Love my Yamahas
Set name: 5.1 Receiver
RX 385 replaces my much-loved 10 year old RX 375, which I inadvertently fried while experimenting. The 385 has some newer features, including bluetooth. The old model and this both use the handy YPAO function to tune the audio speakers' depth of field to the listening environment. It's a broadcast mic that you just plug into the front of the receiver for a few seconds to determine each speakers' distance from viewer. Kind of a sonic echo measurement of seating to speaker. It's a foolproof, remarkably clever, timesaving gizmo. The YPAO mic is absolutely included with this unit, looks like a little plastic cone. Also important to me, Yamaha has replaced the old spring clips for rear/side speakers, which are now the better screw and cap posts, as they have always been for the two front speakers. I recommend rocketfish HDMI 4k/8k cables to connect this receiver to your tv and to whatever other components you want, such as a bluray. Sound quality is excellent if your speakers are good. (I like KEFs.) Of course you may prefer wireless speakers, but I'm already committed to wired ones. I used rocktfish banana plugs to connect my speaker wires to the RX 385 receiver's speaker posts. Neat and clean. With a choice of 2 front, 2 rear, 1 center speaker, plus one coaxial plug in for a subwoofer, your movies and programs are going to sound far more detailed and staged than you'd get from the tv or a sound bar. It's a more immersive and compelling experience. (I use only 2 fronts and 2 rears and don't feel I'm missing anything.) Yamaha receivers and other components are my favorites: relatively inexpensive, well designed, solidly built, and not fussy to install. If you find yourself in a pickle there are a couple of helpful youtube videos. I find with the RX385 again that Yamaha does not disappoint me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2023
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Verified Purchase
phil
Lowell, US
★★★★★ 5
Great unit
Set name: 5.1 Receiver
Works great, was worried about having my hdmi run through it thinking id have to use it all the time but leaving it off the signal still goiles through to the TV. Very rleasy to hook up and very easy to use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
K
Verified Purchase
kpdrumswritessings
Alexandria, US
★★★★★ 5
real time and energy saver, as well as $
Size: 16AWG Wiring Harness-2 Leads
If you have a set of LED lights that didn't come with a harness , you can't beat this for the price. By the time you figure in the cost of the parts ( wire, switch, crimps/connectors, not to mention a relay if you are using one) to hardwire a set of lights, let alone the time to assemble, this set up is cheaper by far. harness length is ample, you get a pair of pigtails with connectors for a pair of lights, the relay, switch, fuse block and fuse, and ring terminals for power all assembled for what a switch and some wire would cost. Made everything quick, cheap, and easy.
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Reviewed in the United States on October 17, 2024
M
Verified Purchase
Miguel
Belleville, US
★★★★★ 5
Great wiring harness for light installations.
Size: 16AWG Wiring Harness-2 Leads, Size: 16AWG Wiring Harness-2 Leads
This is a great wiring harness for LED lights. These come in one or two leads application. All that means is that they come ready for one or two lights, depending on your installation. The plug in connectors for each light comes with the set so that is a plus. I’ve attached a picture of the plug/connector for the lights so you can take a look at them. Although the relay is an “overkill” for low wattage LEDs, it’s OK to have it just in case you decide to change your lights for larger ones or halogens, in the future. In my case I will be using this harness in my motorcycle. It is very long for my need, which is great for cars, but too long for motorcycles since you have to remember that room/space is scarce in motorcycles. I ended up cutting the wires to my desired length and using heat shrink butt connectors and “glued” heat shrink covers for waterproofing the connection points. All in all these are great quality and I am very happy with them.
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Reviewed in the United States on December 16, 2020
M
Verified Purchase
Marina De Leon
Louisville, US
★★★★★ 5
Nice
Size: 16AWG Wiring Harness-2 Leads
Worked great, easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026

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