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Embedded Computers

Banana Pi BPI-R4 Review: Wi-Fi 7 OpenWrt Router board with dual SFP+ ports

By androidpimpFebruary 25, 2025Updated:June 22, 20254 Comments44 Mins Read
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Table of contents
  1. Part I: Banana Pi BPI-R4 – Product introduction
  2. Interfaces
  3. Key Features
  4. Hardware Specifications
  5. Enhanced Performance
  6. Comparative Analysis: Banana Pi R3 vs. Banana Pi R4 Hardware Specifications
  7. More simple to operate
  8. New features and better connectivity
  9. Model 1: Banana Pi BPI-R4 Layout (x2 SFP+ Cages)
  10. Model 2: Banana Pi BPI-R4 Layout (x1 SFP+ Cage)
  11. A Closer Look at the R4 Wi-Fi 7 NIC (Network Interface Card)
    1. Tri-band Connectivity explained
    2. Two design choices
    3. Design No.1: Banana Pi R4 Wi-Fi 7 NIC (4T4R & 4T5R Design)
    4. Design No.2: Banana Pi R4 Wi-Fi 7 NIC (3T3R Design)
    5. WiFi7 iPA NIC Module (BPI-R4-NIC-BE14)
    6. What is 3T3R?
  12. Enhanced connectivity
  13. Embedded Routers: What are the advantages?
  14. Practical Applications
  15. Cost-Effective Solution for Small and Medium-Sized Businesses
  16. Part II: Banana Pi BPI-R4 Review (Current status: pending review)
    1. Unboxing (Bare board only)
  17. Let’s take a closer look at the Banana Pi BPI-R4.
  18. The process of installing a heat sink
    1. Heat sink dimensions
  19. Purchasing an Active Heat sink
  20. Replacing the active heat sink connector
  21. Ensuring proper cooling for the SFP+ cages
    1. FAN Wiring
  22. Wait, there is a simpler method.
  23. Making a UART Serial extension cable.
    1. Measuring CPU temperatures
  24. Operating the R4 fan effectively through setting a trip point.
    1. Purpose of the Command
  25. If your Banana Pi R4 is experiencing serious overheating problems. How can I fix this issue?
  26. Testing temperatures
  27. Choosing the right power supply adapter
    1. Banana Pi R4 Power Adapter
  28. Wired cable Data Transfer Rate
    1. How many Ethernet 2.5G PHYs are needed to achieve a real throughput of 10Gbps?
    2. Performing iPerf throughput test with 10GBASE-T SFP+ Copper RJ-45 transceivers.
    3. Checking Network Interface Properties:
    4. SFP+ RJ45 Transceivers
    5. Our network topology
  29. Desktop PC network interface card (NIC) + x2 RJ45 SFP+ Transceivers
    1. Testing the Network Bandwidth and Throughput.
  30. Installing an M.2 NVMe SSD
    1. Preforming a hdparm speed test
  31. Software support and Installation
  32. Switch jumper
  33. The updating process
  34. Flashing the OpenWrt Snapshot Image to Nand and eMMC
  35. Step No. 1
  36. Step No. 2
  37. Step No. 3
  38. Step No. 4
  39. Step No. 5
  40. Step No. 6
  41. Step No. 7
  42. Step No. 8
  43. Step No. 9
  44. Step No. 10
  45. Step No. 11
  46. Step No. 12
  47. Step No. 13
  48. Step No. 14
  49. Step No. 15
  50. Step No. 16
  51. Step No. 17
  52. The easiest way to install OpenWrt
  53. Banana Pi R4 Metal Case (Recommended optional accessory)
  54. Assembling the case parts
  55. Replacing and customizing the R4 Metal Case upper cover
  56. What are the benefits of opting for a plastic cover instead?
  57. Here’s a guide on how to set up a 6-bay NAS rack for 2.5-inch HDD/SSDs using the Banana Pi R4 Board!
    1. Step-by-Step Guide for Installing a NAS Drive Rack (HDD 2.5″)
    2. Can you use the existing metal case for this project?
    3. Performing some basic calculations:
    4. The PSU’s total wattage capacity is the sum of the individual rail wattage:
    5. The following is a list of components needed to construct the NAS:
    6. Olmaster MR-6601 NAS Rack
    7. DB8234 HDD PSU Module
    8. Choosing the right 12V power adapter for the PSU Board
  58. What are the power requirements?
    1. 5-port M.2 NVME to SATA 3.0
  59. 5-port M.2 (Key M+B) NVMe to SATA 3.0 converter
  60. Installing the 5-port M.2 (Key M+B) NVMe to SATA 3.0 converter onto the Banana-Pi-R4
    1. 5-Pin Moldex Power-Cables
  61. Assembling all the parts together
    1. Modifying the case
  62. The end result.
  63. It’s time for the final check to make sure everything is working properly.
    1. Checking if the SSDs are functioning correctly
    2. Conclusions
  64. Enhancing the design
  65. More Optional NAS Racks are available.
  66. Setting Up the Banana Pi BE14000 Wireless NIC Expansion Card
    1. Unboxing the Item
    2. A closer look at the board
  67. WIFI antennas
    1. Installation
    2. The wireless connectivity capabilities of the Banana BPI-R4-NIC-BE14.
      1. What should you expect?
    3. Utilizing the 6GHz band
    4. What are the benefits of WiFi 7?
  68. Checking wireless network interfaces, access point names, and frequency bands.
  69. An alternative Wi-Fi configuration
    1. Installing the necessary drivers
  70. Final words
  71. Frequently Asked Questions & Purchase Options.
    1. Which operating system is compatible with the Banana Pi R4?
    2. Is it possible to use 2.5GbE SFP modules with the Banana Pi R4?
    3. Does the Banana Pi 4 support GPON connectivity?
    4. What is the maximum data transfer speed of the SFP+ ports on the Banana Pi 4?
    5. Can the Banana Pi R4 be used with 4G/5G Modules?
    6. Can I install an NVMe SSD on the Banana Pi R4?
    7. How much does the Banana Pi R4 cost?
    8. Is it necessary for me to purchase the entire kit that includes the metal case?
  72. Price and Availability
    1. Banana Pi R4

Part II: Banana Pi BPI-R4 Review (Current status: pending review)

Unboxing (Bare board only)

Bpi R4 Unboxing 1
BPI R4 Unboxing 1
Bpi R4 Unboxing 2
BPI R4 Unboxing 2
Bpi R4 Unboxing 3
BPI R4 Unboxing 3
Bpi R4 Unboxing 4
BPI R4 Unboxing 4

Let’s take a closer look at the Banana Pi BPI-R4.

Banana Pi Bpi R4 2
Banana Pi BPI R4 2
Banana Pi Bpi R4 3
Banana Pi BPI R4 3
Banana Pi Bpi R4 4
Banana Pi BPI R4 4
Banana Pi Bpi R4 5
Banana Pi BPI R4 5
Banana Pi Bpi R4 6
Banana Pi BPI R4 6
Banana Pi Bpi R4 1
Banana Pi BPI R4 1
1 2 3 4 5 6 7 8 9 10 11
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4 Comments
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joise meerde
2 years ago

Good Job

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Author
androidpimp
2 years ago
Reply to  joise meerde

Thanks

0
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Dimitris B.
8 months ago

That’s the most in-depth review I’ve seen of the BPI-R4. However, the benchmark and Wi-Fi testing sections are noticeably missing. Any reason why?

0
Reply
Author
androidpimp
8 months ago
Reply to  Dimitris B.

Thanks. Probably at that time I didn’t have the extra patience to wait until they fixed the bugs/problems. Hopefully a few months have passed and it should be fine now.

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