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ATX motherboard with silver I/O shield visible

Biostar

Biostar TZ77A motherboard accessory

SKU CH-8RFD-189Y8

An Intel Z77 ATX board with SATA 6Gb/s, USB 3.0 and HDMI, tested and working with I/O shield included

  • LGA 1155 socket fits compatible Intel processors
  • Intel Z77 chipset supports SATA 6Gb/s storage
  • USB 3.0 ports enable fast data transfer
  • HDMI output provides integrated graphics connectivity
  • 60-day warranty covers verified working condition

LGA 1155 Z77 motherboard

The Biostar TZ77A is an ATX motherboard built around the Intel Z77 chipset for LGA 1155 processors. It provides HDMI output, SATA 6Gb/s ports and USB 3.0 connectivity. The board ships with a UEFI BIOS and includes only the motherboard and I/O shield.

Suits legacy Intel builds

This board suits builders assembling or repairing a system that requires an LGA 1155 socket and Z77 feature set. It does not suit anyone needing a different socket, a different chipset or a form factor other than ATX.

LGA 1155 socket decides fit

The LGA 1155 socket is the single specification that determines whether this motherboard matches the intended processor. Only CPUs designed for that socket will install and function on this board.

Highlights

  • LGA 1155 socket fits compatible Intel processors
  • Intel Z77 chipset supports SATA 6Gb/s storage
  • USB 3.0 ports enable fast data transfer
  • HDMI output provides integrated graphics connectivity
  • 60-day warranty covers verified working condition

Specifications

ModelTZ77A

Questions about this item

How do I install the CPU into the LGA 1155 socket without bending pins?

Open the socket cover carefully, align the processor triangle with the socket marker, lower it straight down without force, then close the retention lever gently to avoid bending the delicate pins.

What components might need replacement after extended use on the TZ77A?

The board uses SATA connections for storage; those cables and connected drives are the most common parts to wear out, while the motherboard itself has no user-serviceable components listed.

What limit appears first when the Z77 chipset runs under sustained heavy load?

The Z77 chipset and voltage regulators will hit thermal limits before other subsystems, so adequate case airflow and a quality CPU cooler are essential to maintain stable operation.

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