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Item#: N82E16811112276

LIAN LI PC-B25SB Black Aluminum ATX Mid Tower Computer Case

  • Aluminum ATX Mid Tower
  • USB3.0 x 2 / e-SATA x1 / HD Audio Front Ports
  • 3 External 5.25" Drive Bays
  • 6 Internal 3.5" Drive Bays
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Customer Reviews of the Lian-Li PC-B25SB

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  • Anonymous
  • 9/1/2010 5:33:40 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsVery quiet case

Pros: Gorgeous case. Easy to work with, with a few exceptions. Toolless design is slick. Hard drive cage is easiest I've ever worked with, and provides decent isolation to stop drive vibration from passing to the case. PSU clamp is brilliant and holds very securely. USB 3.0 ports on the front.

Cons: Expensive. Power and Reset buttons are membrane-type and are a bit easy to activate. I ended up disconnecting my reset button (seriously, who uses these any more?) after accidentally hitting it when plugging in a microphone. Toolless PCI clamps work great, but can have issues with some video cards that have large plastic shields if the shield reaches all the way to where the clamp engages. I had to trim about 2mm of plastic material from the corner of my 5850 card's stock cooler to have it work properly.

Other Thoughts: After putting a quiet CPU cooler on my i7 and replacing the stock cooler on my 5850 with a near-silent one, the only sound from this case was a slight fan sound if I put my head about a foot from the case. Disabling one of the two front fans has even eliminated most of that. Case/CPU/GPU/HD temps are all great. EXCELLENT case if you're into making your PC as quiet as possible.

1 out of 1 people found this review helpful. Did you? Yes No

  • Philip P.
  • 6/21/2010 6:05:26 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsPoor air control

Pros: None of the Cons are so bad that they can't be fixed by the end user.

Cons: Intake fans are mounted using rubber isolators which leave gaps around case to fan mating surfaces. This encourages intake fans to pull in warm case air instead of cool outside air which has the added resistance of the filters.
Top exhaust fan has huge gaps around it and pushes hot case air into a duct which then is pressurized and forced back into the case around the fan and through the raised front I/O panel standoff.
Channels supporting PSU encourage it's fan to intake warm case air instead of the higher resistance path of going through the filter underneath it.
Optical drive bays open into front intake air duct behind front panel. This allows intake fans to recirculate warm case air.
Intake air fan filters don't fit flush to case because the rubber sound isolators for the fans are in the way.
Numerous holes in the case allow air to bypass filters.

Other Thoughts: I just spent hours dealing with airflow issues using clear packing tape and I am not finished yet. The tape makes the case look terrible on the inside. I will probably re-do the tape barriers with adhesive backed closed-cell foam weatherstripping.
Is this re-engineering normal? This is my first computer build and I am surprised at the poor design follow-through of such an expensive case from a generally well regarded company.

3 out of 4 people found this review helpful. Did you? Yes No

  • Philip P.
  • 6/19/2010 2:55:37 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsFirst Build

Pros: Excellent finish, sturdy build, thick aluminum, good layout, lightweight. Two fan controllers. Good HDD mounting and spacing. Four filtered intakes. Good space behind MB tray for wire routing. USB3 front panel wires are long enough to reach back panel connections, also has USB pigtail for MB. PCI card hold down mechanism is very sturdy. ATX MB standoffs pre-installed. Case feet are excellent and high enough for use on carpet and still keep underside openings clear. Quiet, all openings are louvered, ducted and lined with sound absorption material. Very solid PSU hold down clamp.
Bought everything for this new build at Newegg and could not be more pleased. I'd recommend them to anyone who needed tech stuff.

Cons: Price, should be fifty bucks less. HDD activity light not working. Cut-out in MB tray for CPU power connector is tight to structure, needed to remove top cover and disassemble top panel to route CPU power through MB tray.
With four filtered openings, the slotted PCI covers and perforations in the back panel allow unfiltered air to bypass filter.
Top thumbscrew that holds side-panel is way too close to rear air-duct making panel removal an unnecessary chore. Tool-free optical mechanism keeps drive slightly skewed to front panel. Hard drives cannot be oriented in the rack to wire from behind the motherboard.

Other Thoughts: This was my first computer build. I chose this case for its understated appearance and sound attenuation. It's a living-room computer and needed to be unobtrusive.
Top EXHAUST fan is FILTERED?? Top fan also comes with a loose packaged mesh cover which would only be seen if you removed the top panel, which would look silly? Not crazy about exposed upward oriented front panel. Blue LED front panel circle is not too obtrusive and very easy to disconnect if not wanted.
I am not overclocking anything because at stock settings the performance is fine for now, so I don't have good thermal stats but the X58 MB temps are: 38-45c, i7 930: 41-55c with stock heat-sink, 5870 video card: 45-55c.
Also running 5 hard drives and 8GB of 1600mhz G Skill CL7 RAM. The 80 Plus Gold Seasonic 750W PSU is unique, its fan only runs as required and when it does run you cannot hear it even if you put your ear on it.
No fatal flaws, most of the surprises were pleasant one. This was a splurge I'd do again.

0 out of 1 people found this review helpful. Did you? Yes No

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Item#: N82E16811112276
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