Features:

• Description: Axial Flow Rotary Muffin Cooling Fan 120x120x38mm NMB-MAT 4715KL-04W-B56 SB2 7 Dell Y4574 DPN 0Y4574 DC12V 1.30A 15.6W 5-Pin 4-Conductor Connector 13.5-inch Wire SKU 220520
• Manufacturer: Minebea Co., Ltd.
  • Minebea Mitsumi: The official parent company.
  • NMB: Short of Nippon Miniature Bearing.
  • NMB-MAT: a brand name resulting from 2004 joint venture between Minebea and Matsushita (now Panasonic).
  • NMB Technologies: The North American sales and marketing arm of the group.
• Brand: or Distributor: NMB-MAT / Dell
• Model:
  • NMB-MAT 4715KL-04W-B56 SB2 7
  • Dell Y4574
  • DPN 0Y4574
• Brief Spec.:
  • Fan Size: 120x120x38mm
  • Power Rating: DC12V 1.30A 15.6W
  • Bearing: Dual Ball Bearing
  • Speed: 3600 RPM +/- 10%
  • Air Flow: 130 CFM
  • Noise Level: 50.0 dBA
  • Wire Length: 13.5-inch
  • Connection: 2.54-Pitch 5-Pin 4-Conductor Connector
• Weight: 8.9 oz (estimated shipping weight 13 oz)
• Condition: (Subject to Availability)
  • SKU ______A - Aged Open Box, not been used, with signs of cosmetic wear.
  • SKU ______N - New
  • SKU ______B - Bulk New, seller repackaged.
  • SKU ______E - Excess Inventory, not been used, may have signs of age.
  • SKU ______P - For Parts, Condition Vary, Not Eligible for Return or Refund.
  • SKU ______O - Open Box, unused, may have signs of cosmetic wear.
  • SKU ______R - Refurbished to working condition.
  • SKU ______U - Used, may have signs of cosmetic wear.
• Packaging: Non-Retail Packaging, in Unprinted Box or Plastic Bag.
• For used with or pulled from: (for reference only)
  • NMB 4715KL-04W-B56 SB2 7 is a high-reliability 92mm DC cooling fan for chassis cooling, power supplies, and industrial equipment, featuring a dual ball bearing for longevity.
    • '4715' refers to the frame width and height , Roughly 4.7 inches  translates to the industry standard 119mm x119mm casing size commonly called a 120mm fan..
    • 'KL' indicates the 'K' series with long-life ball bearing.
    • '04W' specifies 12V DC operation.
    • 'B' Refers to standard high-efficiency DC ball bearing fan lines.
    • '5' Explicitly marks the speed / power ranking, ranging from B10up to B50+, the B50 level represents a extreme high-output tier spins at a blazing 3600 RPM pushing a massive 130 CFM nearly double the wattage and airflow of standard B20 or B39 models.
    • '6' indicates a PWM (Pulse Width modulation) control combined with a Speed  Sensor / Tachometer circuit. It tells you the fan has 4 internal control functions: Power (+), Ground (-), a Tachometer wire to output real-time RPM to the host computer, and a PWM signal input wire allowing the machine to dynamically scale the fan's speed up or down based on server temperature.
    • 'SB2' is a custom project / specification code indicating that the fan was manufactured to the precise proprietary requirements of an OEM (Original Equipment Manufacturer such as high-density Dell server or specialized industrial control panels.
    • '7' indicates the manufacturer series or the plant code.
  • Pulled from Dell Optiplex GX280 Mid Tower Computer
  • Pulled from Dell Optiplex 320 330 Mid Tower Computer
  • Serial Number Available or Sold:
    • CN-0Y4574-37170-51M-02D3 Used
    • CN-0Y4574-37170-52M-16FF Used
    • CN-0Y4574-37170-68A-05SG Used
    • CN-0Y4574-37170-6AN-05TQ Used
    • CN-0Y4574-37170-72A-01PW Used
    • CN-0Y4574-37170-78U-03ET Used
    • CN-0Y4574-37170-78U-03GQ Used
    • CN-0Y4574-37170-798-0F6B Used
    • CN-0Y4574-37170-82G-03GB Used
    • CN-0Y4574-37170-82I-0302 Used